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			5854 lines
		
	
	
		
			218 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			5854 lines
		
	
	
		
			218 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- unittest/Format/FormatTest.cpp - Formatting unit tests -------------===//
 | ||
| //
 | ||
| //                     The LLVM Compiler Infrastructure
 | ||
| //
 | ||
| // This file is distributed under the University of Illinois Open Source
 | ||
| // License. See LICENSE.TXT for details.
 | ||
| //
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| #define DEBUG_TYPE "format-test"
 | ||
| 
 | ||
| #include "clang/Format/Format.h"
 | ||
| #include "clang/Lex/Lexer.h"
 | ||
| #include "llvm/Support/Debug.h"
 | ||
| #include "gtest/gtest.h"
 | ||
| 
 | ||
| namespace clang {
 | ||
| namespace format {
 | ||
| 
 | ||
| class FormatTest : public ::testing::Test {
 | ||
| protected:
 | ||
|   std::string format(llvm::StringRef Code, unsigned Offset, unsigned Length,
 | ||
|                      const FormatStyle &Style) {
 | ||
|     DEBUG(llvm::errs() << "---\n");
 | ||
|     std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
 | ||
|     tooling::Replacements Replaces = reformat(Style, Code, Ranges);
 | ||
|     ReplacementCount = Replaces.size();
 | ||
|     std::string Result = applyAllReplacements(Code, Replaces);
 | ||
|     EXPECT_NE("", Result);
 | ||
|     DEBUG(llvm::errs() << "\n" << Result << "\n\n");
 | ||
|     return Result;
 | ||
|   }
 | ||
| 
 | ||
|   std::string
 | ||
|   format(llvm::StringRef Code, const FormatStyle &Style = getLLVMStyle()) {
 | ||
|     return format(Code, 0, Code.size(), Style);
 | ||
|   }
 | ||
| 
 | ||
|   std::string messUp(llvm::StringRef Code) {
 | ||
|     std::string MessedUp(Code.str());
 | ||
|     bool InComment = false;
 | ||
|     bool InPreprocessorDirective = false;
 | ||
|     bool JustReplacedNewline = false;
 | ||
|     for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) {
 | ||
|       if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') {
 | ||
|         if (JustReplacedNewline)
 | ||
|           MessedUp[i - 1] = '\n';
 | ||
|         InComment = true;
 | ||
|       } else if (MessedUp[i] == '#' && (JustReplacedNewline || i == 0)) {
 | ||
|         if (i != 0)
 | ||
|           MessedUp[i - 1] = '\n';
 | ||
|         InPreprocessorDirective = true;
 | ||
|       } else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') {
 | ||
|         MessedUp[i] = ' ';
 | ||
|         MessedUp[i + 1] = ' ';
 | ||
|       } else if (MessedUp[i] == '\n') {
 | ||
|         if (InComment) {
 | ||
|           InComment = false;
 | ||
|         } else if (InPreprocessorDirective) {
 | ||
|           InPreprocessorDirective = false;
 | ||
|         } else {
 | ||
|           JustReplacedNewline = true;
 | ||
|           MessedUp[i] = ' ';
 | ||
|         }
 | ||
|       } else if (MessedUp[i] != ' ') {
 | ||
|         JustReplacedNewline = false;
 | ||
|       }
 | ||
|     }
 | ||
|     return MessedUp;
 | ||
|   }
 | ||
| 
 | ||
|   FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) {
 | ||
|     FormatStyle Style = getLLVMStyle();
 | ||
|     Style.ColumnLimit = ColumnLimit;
 | ||
|     return Style;
 | ||
|   }
 | ||
| 
 | ||
|   FormatStyle getGoogleStyleWithColumns(unsigned ColumnLimit) {
 | ||
|     FormatStyle Style = getGoogleStyle();
 | ||
|     Style.ColumnLimit = ColumnLimit;
 | ||
|     return Style;
 | ||
|   }
 | ||
| 
 | ||
|   void verifyFormat(llvm::StringRef Code,
 | ||
|                     const FormatStyle &Style = getLLVMStyle()) {
 | ||
|     EXPECT_EQ(Code.str(), format(messUp(Code), Style));
 | ||
|   }
 | ||
| 
 | ||
|   void verifyGoogleFormat(llvm::StringRef Code) {
 | ||
|     verifyFormat(Code, getGoogleStyle());
 | ||
|   }
 | ||
| 
 | ||
|   void verifyIndependentOfContext(llvm::StringRef text) {
 | ||
|     verifyFormat(text);
 | ||
|     verifyFormat(llvm::Twine("void f() { " + text + " }").str());
 | ||
|   }
 | ||
| 
 | ||
|   int ReplacementCount;
 | ||
| };
 | ||
| 
 | ||
| TEST_F(FormatTest, MessUp) {
 | ||
|   EXPECT_EQ("1 2 3", messUp("1 2 3"));
 | ||
|   EXPECT_EQ("1 2 3\n", messUp("1\n2\n3\n"));
 | ||
|   EXPECT_EQ("a\n//b\nc", messUp("a\n//b\nc"));
 | ||
|   EXPECT_EQ("a\n#b\nc", messUp("a\n#b\nc"));
 | ||
|   EXPECT_EQ("a\n#b  c  d\ne", messUp("a\n#b\\\nc\\\nd\ne"));
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Basic function tests.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, DoesNotChangeCorrectlyFormatedCode) {
 | ||
|   EXPECT_EQ(";", format(";"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsGlobalStatementsAt0) {
 | ||
|   EXPECT_EQ("int i;", format("  int i;"));
 | ||
|   EXPECT_EQ("\nint i;", format(" \n\t \r  int i;"));
 | ||
|   EXPECT_EQ("int i;\nint j;", format("    int i; int j;"));
 | ||
|   EXPECT_EQ("int i;\nint j;", format("    int i;\n  int j;"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsUnwrappedLinesAtFirstFormat) {
 | ||
|   EXPECT_EQ("int i;", format("int\ni;"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsNestedBlockStatements) {
 | ||
|   EXPECT_EQ("{\n  {\n    {}\n  }\n}", format("{{{}}}"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsNestedCall) {
 | ||
|   verifyFormat("Method(f1, f2(f3));");
 | ||
|   verifyFormat("Method(f1(f2, f3()));");
 | ||
|   verifyFormat("Method(f1(f2, (f3())));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, NestedNameSpecifiers) {
 | ||
|   verifyFormat("vector< ::Type> v;");
 | ||
|   verifyFormat("::ns::SomeFunction(::ns::SomeOtherFunction())");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, OnlyGeneratesNecessaryReplacements) {
 | ||
|   EXPECT_EQ("if (a) {\n"
 | ||
|             "  f();\n"
 | ||
|             "}",
 | ||
|             format("if(a){f();}"));
 | ||
|   EXPECT_EQ(4, ReplacementCount);
 | ||
|   EXPECT_EQ("if (a) {\n"
 | ||
|             "  f();\n"
 | ||
|             "}",
 | ||
|             format("if (a) {\n"
 | ||
|                    "  f();\n"
 | ||
|                    "}"));
 | ||
|   EXPECT_EQ(0, ReplacementCount);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RemovesTrailingWhitespaceOfFormattedLine) {
 | ||
|   EXPECT_EQ("int a;\nint b;", format("int a; \nint b;", 0, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int a;", format("int a;         "));
 | ||
|   EXPECT_EQ("int a;\n", format("int a;  \n   \n   \n "));
 | ||
|   EXPECT_EQ("int a;\nint b;    ",
 | ||
|             format("int a;  \nint b;    ", 0, 0, getLLVMStyle()));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsCorrectRegionForLeadingWhitespace) {
 | ||
|   EXPECT_EQ("int b;\nint a;",
 | ||
|             format("int b;\n   int a;", 7, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int b;\n   int a;",
 | ||
|             format("int b;\n   int a;", 6, 0, getLLVMStyle()));
 | ||
| 
 | ||
|   EXPECT_EQ("#define A  \\\n"
 | ||
|             "  int a;   \\\n"
 | ||
|             "  int b;",
 | ||
|             format("#define A  \\\n"
 | ||
|                    "  int a;   \\\n"
 | ||
|                    "    int b;",
 | ||
|                    26, 0, getLLVMStyleWithColumns(12)));
 | ||
|   EXPECT_EQ("#define A  \\\n"
 | ||
|             "  int a;   \\\n"
 | ||
|             "    int b;",
 | ||
|             format("#define A  \\\n"
 | ||
|                    "  int a;   \\\n"
 | ||
|                    "    int b;",
 | ||
|                    25, 0, getLLVMStyleWithColumns(12)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RemovesWhitespaceWhenTriggeredOnEmptyLine) {
 | ||
|   EXPECT_EQ("int  a;\n\n int b;",
 | ||
|             format("int  a;\n  \n\n int b;", 7, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int  a;\n\n int b;",
 | ||
|             format("int  a;\n  \n\n int b;", 9, 0, getLLVMStyle()));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RemovesEmptyLines) {
 | ||
|   EXPECT_EQ("class C {\n"
 | ||
|             "  int i;\n"
 | ||
|             "};",
 | ||
|             format("class C {\n"
 | ||
|                    " int i;\n"
 | ||
|                    "\n"
 | ||
|                    "};"));
 | ||
| 
 | ||
|   // Don't remove empty lines in more complex control statements.
 | ||
|   EXPECT_EQ("void f() {\n"
 | ||
|             "  if (a) {\n"
 | ||
|             "    f();\n"
 | ||
|             "\n"
 | ||
|             "  } else if (b) {\n"
 | ||
|             "    f();\n"
 | ||
|             "  }\n"
 | ||
|             "}",
 | ||
|             format("void f() {\n"
 | ||
|                    "  if (a) {\n"
 | ||
|                    "    f();\n"
 | ||
|                    "\n"
 | ||
|                    "  } else if (b) {\n"
 | ||
|                    "    f();\n"
 | ||
|                    "\n"
 | ||
|                    "  }\n"
 | ||
|                    "\n"
 | ||
|                    "}"));
 | ||
| 
 | ||
|   // FIXME: This is slightly inconsistent.
 | ||
|   EXPECT_EQ("namespace {\n"
 | ||
|             "int i;\n"
 | ||
|             "}",
 | ||
|             format("namespace {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "\n"
 | ||
|                    "}"));
 | ||
|   EXPECT_EQ("namespace {\n"
 | ||
|             "int i;\n"
 | ||
|             "\n"
 | ||
|             "} // namespace",
 | ||
|             format("namespace {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "\n"
 | ||
|                    "}  // namespace"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ReformatsMovedLines) {
 | ||
|   EXPECT_EQ(
 | ||
|       "template <typename T> T *getFETokenInfo() const {\n"
 | ||
|       "  return static_cast<T *>(FETokenInfo);\n"
 | ||
|       "}\n"
 | ||
|       "  int a; // <- Should not be formatted",
 | ||
|       format(
 | ||
|           "template<typename T>\n"
 | ||
|           "T *getFETokenInfo() const { return static_cast<T*>(FETokenInfo); }\n"
 | ||
|           "  int a; // <- Should not be formatted",
 | ||
|           9, 5, getLLVMStyle()));
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Tests for control statements.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatIfWithoutCompoundStatement) {
 | ||
|   verifyFormat("if (true)\n  f();\ng();");
 | ||
|   verifyFormat("if (a)\n  if (b)\n    if (c)\n      g();\nh();");
 | ||
|   verifyFormat("if (a)\n  if (b) {\n    f();\n  }\ng();");
 | ||
| 
 | ||
|   FormatStyle AllowsMergedIf = getLLVMStyle();
 | ||
|   AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;
 | ||
|   verifyFormat("if (a)\n"
 | ||
|                "  // comment\n"
 | ||
|                "  f();",
 | ||
|                AllowsMergedIf);
 | ||
|   verifyFormat("if (a)\n"
 | ||
|                "  ;",
 | ||
|                AllowsMergedIf);
 | ||
|   verifyFormat("if (a)\n"
 | ||
|                "  if (b) return;",
 | ||
|                AllowsMergedIf);
 | ||
| 
 | ||
|   verifyFormat("if (a) // Can't merge this\n"
 | ||
|                "  f();\n",
 | ||
|                AllowsMergedIf);
 | ||
|   verifyFormat("if (a) /* still don't merge */\n"
 | ||
|                "  f();",
 | ||
|                AllowsMergedIf);
 | ||
|   verifyFormat("if (a) { // Never merge this\n"
 | ||
|                "  f();\n"
 | ||
|                "}",
 | ||
|                AllowsMergedIf);
 | ||
|   verifyFormat("if (a) { /* Never merge this */\n"
 | ||
|                "  f();\n"
 | ||
|                "}",
 | ||
|                AllowsMergedIf);
 | ||
| 
 | ||
|   EXPECT_EQ("if (a) return;", format("if(a)\nreturn;", 7, 1, AllowsMergedIf));
 | ||
|   EXPECT_EQ("if (a) return; // comment",
 | ||
|             format("if(a)\nreturn; // comment", 20, 1, AllowsMergedIf));
 | ||
| 
 | ||
|   AllowsMergedIf.ColumnLimit = 14;
 | ||
|   verifyFormat("if (a) return;", AllowsMergedIf);
 | ||
|   verifyFormat("if (aaaaaaaaa)\n"
 | ||
|                "  return;",
 | ||
|                AllowsMergedIf);
 | ||
| 
 | ||
|   AllowsMergedIf.ColumnLimit = 13;
 | ||
|   verifyFormat("if (a)\n  return;", AllowsMergedIf);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatLoopsWithoutCompoundStatement) {
 | ||
|   FormatStyle AllowsMergedLoops = getLLVMStyle();
 | ||
|   AllowsMergedLoops.AllowShortLoopsOnASingleLine = true;
 | ||
|   verifyFormat("while (true) continue;", AllowsMergedLoops);
 | ||
|   verifyFormat("for (;;) continue;", AllowsMergedLoops);
 | ||
|   verifyFormat("for (int &v : vec) v *= 2;", AllowsMergedLoops);
 | ||
|   verifyFormat("while (true)\n"
 | ||
|                "  ;",
 | ||
|                AllowsMergedLoops);
 | ||
|   verifyFormat("for (;;)\n"
 | ||
|                "  ;",
 | ||
|                AllowsMergedLoops);
 | ||
|   verifyFormat("for (;;)\n"
 | ||
|                "  for (;;) continue;",
 | ||
|                AllowsMergedLoops);
 | ||
|   verifyFormat("for (;;) // Can't merge this\n"
 | ||
|                "  continue;",
 | ||
|                AllowsMergedLoops);
 | ||
|   verifyFormat("for (;;) /* still don't merge */\n"
 | ||
|                "  continue;",
 | ||
|                AllowsMergedLoops);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ParseIfElse) {
 | ||
|   verifyFormat("if (true)\n"
 | ||
|                "  if (true)\n"
 | ||
|                "    if (true)\n"
 | ||
|                "      f();\n"
 | ||
|                "    else\n"
 | ||
|                "      g();\n"
 | ||
|                "  else\n"
 | ||
|                "    h();\n"
 | ||
|                "else\n"
 | ||
|                "  i();");
 | ||
|   verifyFormat("if (true)\n"
 | ||
|                "  if (true)\n"
 | ||
|                "    if (true) {\n"
 | ||
|                "      if (true)\n"
 | ||
|                "        f();\n"
 | ||
|                "    } else {\n"
 | ||
|                "      g();\n"
 | ||
|                "    }\n"
 | ||
|                "  else\n"
 | ||
|                "    h();\n"
 | ||
|                "else {\n"
 | ||
|                "  i();\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ElseIf) {
 | ||
|   verifyFormat("if (a) {\n} else if (b) {\n}");
 | ||
|   verifyFormat("if (a)\n"
 | ||
|                "  f();\n"
 | ||
|                "else if (b)\n"
 | ||
|                "  g();\n"
 | ||
|                "else\n"
 | ||
|                "  h();");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsForLoop) {
 | ||
|   verifyFormat(
 | ||
|       "for (int VeryVeryLongLoopVariable = 0; VeryVeryLongLoopVariable < 10;\n"
 | ||
|       "     ++VeryVeryLongLoopVariable)\n"
 | ||
|       "  ;");
 | ||
|   verifyFormat("for (;;)\n"
 | ||
|                "  f();");
 | ||
|   verifyFormat("for (;;) {\n}");
 | ||
|   verifyFormat("for (;;) {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("for (int i = 0; (i < 10); ++i) {\n}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n"
 | ||
|       "                                          E = UnwrappedLines.end();\n"
 | ||
|       "     I != E; ++I) {\n}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n"
 | ||
|       "     ++IIIII) {\n}");
 | ||
|   verifyFormat("for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa =\n"
 | ||
|                "         aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa;\n"
 | ||
|                "     aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {\n}");
 | ||
|   verifyFormat("for (llvm::ArrayRef<NamedDecl *>::iterator\n"
 | ||
|                "         I = FD->getDeclsInPrototypeScope().begin(),\n"
 | ||
|                "         E = FD->getDeclsInPrototypeScope().end();\n"
 | ||
|                "     I != E; ++I) {\n}");
 | ||
| 
 | ||
|   // FIXME: Not sure whether we want extra identation in line 3 here:
 | ||
|   verifyFormat(
 | ||
|       "for (aaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n"
 | ||
|       "     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa !=\n"
 | ||
|       "         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n"
 | ||
|       "     ++aaaaaaaaaaa) {\n}");
 | ||
|   verifyFormat("for (int aaaaaaaaaaa = 1; aaaaaaaaaaa <= bbbbbbbbbbbbbbb;\n"
 | ||
|                "     aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n"
 | ||
|                "}");
 | ||
|   verifyFormat("for (some_namespace::SomeIterator iter( // force break\n"
 | ||
|                "         aaaaaaaaaa);\n"
 | ||
|                "     iter; ++iter) {\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat("for (int aaaaaaaaaaa = 1;\n"
 | ||
|                "     aaaaaaaaaaa <= aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa,\n"
 | ||
|                "                                           aaaaaaaaaaaaaaaa,\n"
 | ||
|                "                                           aaaaaaaaaaaaaaaa,\n"
 | ||
|                "                                           aaaaaaaaaaaaaaaa);\n"
 | ||
|                "     aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n"
 | ||
|                "}",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n"
 | ||
|       "                                          E = UnwrappedLines.end();\n"
 | ||
|       "     I != E;\n"
 | ||
|       "     ++I) {\n}",
 | ||
|       NoBinPacking);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RangeBasedForLoops) {
 | ||
|   verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n"
 | ||
|                "     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
 | ||
|   verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaa :\n"
 | ||
|                "     aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa, aaaaaaaaaaaaa)) {\n}");
 | ||
|   verifyFormat("for (const aaaaaaaaaaaaaaaaaaaaa &aaaaaaaaa :\n"
 | ||
|                "     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsWhileLoop) {
 | ||
|   verifyFormat("while (true) {\n}");
 | ||
|   verifyFormat("while (true)\n"
 | ||
|                "  f();");
 | ||
|   verifyFormat("while () {\n}");
 | ||
|   verifyFormat("while () {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsDoWhile) {
 | ||
|   verifyFormat("do {\n"
 | ||
|                "  do_something();\n"
 | ||
|                "} while (something());");
 | ||
|   verifyFormat("do\n"
 | ||
|                "  do_something();\n"
 | ||
|                "while (something());");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsSwitchStatement) {
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1:\n"
 | ||
|                "  f();\n"
 | ||
|                "  break;\n"
 | ||
|                "case kFoo:\n"
 | ||
|                "case ns::kBar:\n"
 | ||
|                "case kBaz:\n"
 | ||
|                "  break;\n"
 | ||
|                "default:\n"
 | ||
|                "  g();\n"
 | ||
|                "  break;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1: {\n"
 | ||
|                "  f();\n"
 | ||
|                "  break;\n"
 | ||
|                "}\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1: {\n"
 | ||
|                "  f();\n"
 | ||
|                "  {\n"
 | ||
|                "    g();\n"
 | ||
|                "    h();\n"
 | ||
|                "  }\n"
 | ||
|                "  break;\n"
 | ||
|                "}\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1: {\n"
 | ||
|                "  f();\n"
 | ||
|                "  if (foo) {\n"
 | ||
|                "    g();\n"
 | ||
|                "    h();\n"
 | ||
|                "  }\n"
 | ||
|                "  break;\n"
 | ||
|                "}\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1: {\n"
 | ||
|                "  f();\n"
 | ||
|                "  g();\n"
 | ||
|                "} break;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (test)\n"
 | ||
|                "  ;");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "default: {\n"
 | ||
|                "  // Do nothing.\n"
 | ||
|                "}\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "// comment\n"
 | ||
|                "// if 1, do f()\n"
 | ||
|                "case 1:\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("switch (x) {\n"
 | ||
|                "case 1:\n"
 | ||
|                "  // Do amazing stuff\n"
 | ||
|                "  {\n"
 | ||
|                "    f();\n"
 | ||
|                "    g();\n"
 | ||
|                "  }\n"
 | ||
|                "  break;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("#define A          \\\n"
 | ||
|                "  switch (x) {     \\\n"
 | ||
|                "  case a:          \\\n"
 | ||
|                "    foo = b;       \\\n"
 | ||
|                "  }", getLLVMStyleWithColumns(20));
 | ||
| 
 | ||
|   verifyGoogleFormat("switch (x) {\n"
 | ||
|                      "  case 1:\n"
 | ||
|                      "    f();\n"
 | ||
|                      "    break;\n"
 | ||
|                      "  case kFoo:\n"
 | ||
|                      "  case ns::kBar:\n"
 | ||
|                      "  case kBaz:\n"
 | ||
|                      "    break;\n"
 | ||
|                      "  default:\n"
 | ||
|                      "    g();\n"
 | ||
|                      "    break;\n"
 | ||
|                      "}");
 | ||
|   verifyGoogleFormat("switch (x) {\n"
 | ||
|                      "  case 1: {\n"
 | ||
|                      "    f();\n"
 | ||
|                      "    break;\n"
 | ||
|                      "  }\n"
 | ||
|                      "}");
 | ||
|   verifyGoogleFormat("switch (test)\n"
 | ||
|                      "  ;");
 | ||
| 
 | ||
|   verifyGoogleFormat("#define OPERATION_CASE(name) \\\n"
 | ||
|                      "  case OP_name:              \\\n"
 | ||
|                      "    return operations::Operation##name\n");
 | ||
|   verifyGoogleFormat("Operation codeToOperation(OperationCode OpCode) {\n"
 | ||
|                      "  // Get the correction operation class.\n"
 | ||
|                      "  switch (OpCode) {\n"
 | ||
|                      "    CASE(Add);\n"
 | ||
|                      "    CASE(Subtract);\n"
 | ||
|                      "    default:\n"
 | ||
|                      "      return operations::Unknown;\n"
 | ||
|                      "  }\n"
 | ||
|                      "#undef OPERATION_CASE\n"
 | ||
|                      "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsLabels) {
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  some_code();\n"
 | ||
|                "test_label:\n"
 | ||
|                "  some_other_code();\n"
 | ||
|                "  {\n"
 | ||
|                "    some_more_code();\n"
 | ||
|                "  another_label:\n"
 | ||
|                "    some_more_code();\n"
 | ||
|                "  }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("some_code();\n"
 | ||
|                "test_label:\n"
 | ||
|                "some_other_code();");
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Tests for comments.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsSingleLineComments) {
 | ||
|   verifyFormat("//* */");
 | ||
|   verifyFormat("// line 1\n"
 | ||
|                "// line 2\n"
 | ||
|                "void f() {}\n");
 | ||
| 
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  // Doesn't do anything\n"
 | ||
|                "}");
 | ||
|   verifyFormat("SomeObject\n"
 | ||
|                "    // Calling someFunction on SomeObject\n"
 | ||
|                "    .someFunction();");
 | ||
|   verifyFormat("void f(int i,  // some comment (probably for i)\n"
 | ||
|                "       int j,  // some comment (probably for j)\n"
 | ||
|                "       int k); // some comment (probably for k)");
 | ||
|   verifyFormat("void f(int i,\n"
 | ||
|                "       // some comment (probably for j)\n"
 | ||
|                "       int j,\n"
 | ||
|                "       // some comment (probably for k)\n"
 | ||
|                "       int k);");
 | ||
| 
 | ||
|   verifyFormat("int i    // This is a fancy variable\n"
 | ||
|                "    = 5; // with nicely aligned comment.");
 | ||
| 
 | ||
|   verifyFormat("// Leading comment.\n"
 | ||
|                "int a; // Trailing comment.");
 | ||
|   verifyFormat("int a; // Trailing comment\n"
 | ||
|                "       // on 2\n"
 | ||
|                "       // or 3 lines.\n"
 | ||
|                "int b;");
 | ||
|   verifyFormat("int a; // Trailing comment\n"
 | ||
|                "\n"
 | ||
|                "// Leading comment.\n"
 | ||
|                "int b;");
 | ||
|   verifyFormat("int a;    // Comment.\n"
 | ||
|                "          // More details.\n"
 | ||
|                "int bbbb; // Another comment.");
 | ||
|   verifyFormat(
 | ||
|       "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; // comment\n"
 | ||
|       "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;   // comment\n"
 | ||
|       "int cccccccccccccccccccccccccccccc;       // comment\n"
 | ||
|       "int ddd;                     // looooooooooooooooooooooooong comment\n"
 | ||
|       "int aaaaaaaaaaaaaaaaaaaaaaa; // comment\n"
 | ||
|       "int bbbbbbbbbbbbbbbbbbbbb;   // comment\n"
 | ||
|       "int ccccccccccccccccccc;     // comment");
 | ||
| 
 | ||
|   verifyFormat("#include \"a\"     // comment\n"
 | ||
|                "#include \"a/b/c\" // comment");
 | ||
|   verifyFormat("#include <a>     // comment\n"
 | ||
|                "#include <a/b/c> // comment");
 | ||
|   EXPECT_EQ("#include \\\n"
 | ||
|             "  \"a\"            // comment\n"
 | ||
|             "#include \"a/b/c\" // comment",
 | ||
|             format("#include \\\n"
 | ||
|                    "  \"a\" // comment\n"
 | ||
|                    "#include \"a/b/c\" // comment"));
 | ||
| 
 | ||
|   verifyFormat("enum E {\n"
 | ||
|                "  // comment\n"
 | ||
|                "  VAL_A, // comment\n"
 | ||
|                "  VAL_B\n"
 | ||
|                "};");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|       "    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // Trailing comment");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|                "    // Comment inside a statement.\n"
 | ||
|                "    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;");
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaaaaaaaa = // comment\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
| 
 | ||
|   verifyFormat("int aaaa; // aaaaa\n"
 | ||
|                "int aa;   // aaaaaaa",
 | ||
|                getLLVMStyleWithColumns(20));
 | ||
| 
 | ||
|   EXPECT_EQ("void f() { // This does something ..\n"
 | ||
|             "}\n"
 | ||
|             "int a; // This is unrelated",
 | ||
|             format("void f()    {     // This does something ..\n"
 | ||
|                    "  }\n"
 | ||
|                    "int   a;     // This is unrelated"));
 | ||
|   EXPECT_EQ("class C {\n"
 | ||
|             "  void f() { // This does something ..\n"
 | ||
|             "  }          // awesome..\n"
 | ||
|             "\n"
 | ||
|             "  int a; // This is unrelated\n"
 | ||
|             "};",
 | ||
|             format("class C{void f()    { // This does something ..\n"
 | ||
|                    "      } // awesome..\n"
 | ||
|                    " \n"
 | ||
|                    "int a;    // This is unrelated\n"
 | ||
|                    "};"));
 | ||
| 
 | ||
|   EXPECT_EQ("int i; // single line trailing comment",
 | ||
|             format("int i;\\\n// single line trailing comment"));
 | ||
| 
 | ||
|   verifyGoogleFormat("int a;  // Trailing comment.");
 | ||
| 
 | ||
|   verifyFormat("someFunction(anotherFunction( // Force break.\n"
 | ||
|                "    parameter));");
 | ||
| 
 | ||
|   verifyGoogleFormat("#endif  // HEADER_GUARD");
 | ||
| 
 | ||
|   verifyFormat("const char *test[] = {\n"
 | ||
|                "  // A\n"
 | ||
|                "  \"aaaa\",\n"
 | ||
|                "  // B\n"
 | ||
|                "  \"aaaaa\",\n"
 | ||
|                "};");
 | ||
|   verifyGoogleFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaa);  // 81_cols_with_this_comment");
 | ||
|   EXPECT_EQ("D(a, {\n"
 | ||
|             "  // test\n"
 | ||
|             "  int a;\n"
 | ||
|             "});",
 | ||
|             format("D(a, {\n"
 | ||
|                    "// test\n"
 | ||
|                    "int a;\n"
 | ||
|                    "});"));
 | ||
| 
 | ||
|   EXPECT_EQ("lineWith(); // comment\n"
 | ||
|             "// at start\n"
 | ||
|             "otherLine();",
 | ||
|             format("lineWith();   // comment\n"
 | ||
|                    "// at start\n"
 | ||
|                    "otherLine();"));
 | ||
|   EXPECT_EQ("lineWith(); // comment\n"
 | ||
|             "            // at start\n"
 | ||
|             "otherLine();",
 | ||
|             format("lineWith();   // comment\n"
 | ||
|                    " // at start\n"
 | ||
|                    "otherLine();"));
 | ||
| 
 | ||
|   EXPECT_EQ("lineWith(); // comment\n"
 | ||
|             "// at start\n"
 | ||
|             "otherLine(); // comment",
 | ||
|             format("lineWith();   // comment\n"
 | ||
|                    "// at start\n"
 | ||
|                    "otherLine();   // comment"));
 | ||
|   EXPECT_EQ("lineWith();\n"
 | ||
|             "// at start\n"
 | ||
|             "otherLine(); // comment",
 | ||
|             format("lineWith();\n"
 | ||
|                    " // at start\n"
 | ||
|                    "otherLine();   // comment"));
 | ||
|   EXPECT_EQ("// first\n"
 | ||
|             "// at start\n"
 | ||
|             "otherLine(); // comment",
 | ||
|             format("// first\n"
 | ||
|                    " // at start\n"
 | ||
|                    "otherLine();   // comment"));
 | ||
|   EXPECT_EQ("f();\n"
 | ||
|             "// first\n"
 | ||
|             "// at start\n"
 | ||
|             "otherLine(); // comment",
 | ||
|             format("f();\n"
 | ||
|                    "// first\n"
 | ||
|                    " // at start\n"
 | ||
|                    "otherLine();   // comment"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, CanFormatCommentsLocally) {
 | ||
|   EXPECT_EQ("int a;    // comment\n"
 | ||
|             "int    b; // comment",
 | ||
|             format("int   a; // comment\n"
 | ||
|                    "int    b; // comment",
 | ||
|                    0, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int   a; // comment\n"
 | ||
|             "         // line 2\n"
 | ||
|             "int b;",
 | ||
|             format("int   a; // comment\n"
 | ||
|                    "            // line 2\n"
 | ||
|                    "int b;",
 | ||
|                    28, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int aaaaaa; // comment\n"
 | ||
|             "int b;\n"
 | ||
|             "int c; // unrelated comment",
 | ||
|             format("int aaaaaa; // comment\n"
 | ||
|                    "int b;\n"
 | ||
|                    "int   c; // unrelated comment",
 | ||
|                    31, 0, getLLVMStyle()));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RemovesTrailingWhitespaceOfComments) {
 | ||
|   EXPECT_EQ("// comment", format("// comment  "));
 | ||
|   EXPECT_EQ("int aaaaaaa, bbbbbbb; // comment",
 | ||
|             format("int aaaaaaa, bbbbbbb; // comment                   ",
 | ||
|                    getLLVMStyleWithColumns(33)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsBlockComments) {
 | ||
|   verifyFormat("f(/*noSpaceAfterParameterNamingComment=*/true);");
 | ||
|   EXPECT_EQ(
 | ||
|       "f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n"
 | ||
|       "  bbbbbbbbbbbbbbbbbbbbbbbbb);",
 | ||
|       format("f(aaaaaaaaaaaaaaaaaaaaaaaaa ,   \\\n/* Trailing comment for aa... */\n"
 | ||
|              "  bbbbbbbbbbbbbbbbbbbbbbbbb);"));
 | ||
|   EXPECT_EQ(
 | ||
|       "f(aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "  /* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);",
 | ||
|       format("f(aaaaaaaaaaaaaaaaaaaaaaaaa    ,   \n"
 | ||
|              "/* Leading comment for bb... */   bbbbbbbbbbbbbbbbbbbbbbbbb);"));
 | ||
|   EXPECT_EQ(
 | ||
|       "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaa) { /*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*/\n"
 | ||
|       "}",
 | ||
|       format("void      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|              "                      aaaaaaaaaaaaaaaaaa  ,\n"
 | ||
|              "    aaaaaaaaaaaaaaaaaa) {   /*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*/\n"
 | ||
|              "}"));
 | ||
| 
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat("aaaaaaaa(/* parameter 1 */ aaaaaa,\n"
 | ||
|                "         /* parameter 2 */ aaaaaa,\n"
 | ||
|                "         /* parameter 3 */ aaaaaa,\n"
 | ||
|                "         /* parameter 4 */ aaaaaa);",
 | ||
|                NoBinPacking);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlignsBlockComments) {
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " * Really multi-line\n"
 | ||
|             " * comment.\n"
 | ||
|             " */\n"
 | ||
|             "void f() {}",
 | ||
|             format("  /*\n"
 | ||
|                    "   * Really multi-line\n"
 | ||
|                    "   * comment.\n"
 | ||
|                    "   */\n"
 | ||
|                    "  void f() {}"));
 | ||
|   EXPECT_EQ("class C {\n"
 | ||
|             "  /*\n"
 | ||
|             "   * Another multi-line\n"
 | ||
|             "   * comment.\n"
 | ||
|             "   */\n"
 | ||
|             "  void f() {}\n"
 | ||
|             "};",
 | ||
|             format("class C {\n"
 | ||
|                    "/*\n"
 | ||
|                    " * Another multi-line\n"
 | ||
|                    " * comment.\n"
 | ||
|                    " */\n"
 | ||
|                    "void f() {}\n"
 | ||
|                    "};"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "  1. This is a comment with non-trivial formatting.\n"
 | ||
|             "     1.1. We have to indent/outdent all lines equally\n"
 | ||
|             "         1.1.1. to keep the formatting.\n"
 | ||
|             " */",
 | ||
|             format("  /*\n"
 | ||
|                    "    1. This is a comment with non-trivial formatting.\n"
 | ||
|                    "       1.1. We have to indent/outdent all lines equally\n"
 | ||
|                    "           1.1.1. to keep the formatting.\n"
 | ||
|                    "   */"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "Don't try to outdent if there's not enough indentation.\n"
 | ||
|             "*/",
 | ||
|             format("  /*\n"
 | ||
|                    " Don't try to outdent if there's not enough indentation.\n"
 | ||
|                    " */"));
 | ||
| 
 | ||
|   EXPECT_EQ("int i; /* Comment with empty...\n"
 | ||
|             "        *\n"
 | ||
|             "        * line. */",
 | ||
|             format("int i; /* Comment with empty...\n"
 | ||
|                    "        *\n"
 | ||
|                    "        * line. */"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, CorrectlyHandlesLengthOfBlockComments) {
 | ||
|   EXPECT_EQ("double *x; /* aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|             "              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa */",
 | ||
|             format("double *x; /* aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                    "              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa */"));
 | ||
|   EXPECT_EQ(
 | ||
|       "void ffffffffffff(\n"
 | ||
|       "    int aaaaaaaa, int bbbbbbbb,\n"
 | ||
|       "    int cccccccccccc) { /*\n"
 | ||
|       "                           aaaaaaaaaa\n"
 | ||
|       "                           aaaaaaaaaaaaa\n"
 | ||
|       "                           bbbbbbbbbbbbbb\n"
 | ||
|       "                           bbbbbbbbbb\n"
 | ||
|       "                         */\n"
 | ||
|       "}",
 | ||
|       format("void ffffffffffff(int aaaaaaaa, int bbbbbbbb, int cccccccccccc)\n"
 | ||
|              "{ /*\n"
 | ||
|              "     aaaaaaaaaa aaaaaaaaaaaaa\n"
 | ||
|              "     bbbbbbbbbbbbbb bbbbbbbbbb\n"
 | ||
|              "   */\n"
 | ||
|              "}",
 | ||
|              getLLVMStyleWithColumns(40)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DontBreakNonTrailingBlockComments) {
 | ||
|   EXPECT_EQ("void\n"
 | ||
|             "ffffffffff(int aaaaa /* test */);",
 | ||
|             format("void ffffffffff(int aaaaa /* test */);",
 | ||
|                    getLLVMStyleWithColumns(35)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsLongCxxComments) {
 | ||
|   EXPECT_EQ("// A comment that\n"
 | ||
|             "// doesn't fit on\n"
 | ||
|             "// one line",
 | ||
|             format("// A comment that doesn't fit on one line",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("// a b c d\n"
 | ||
|             "// e f  g\n"
 | ||
|             "// h i j k",
 | ||
|             format("// a b c d e f  g h i j k",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("// a b c d\n"
 | ||
|             "// e f  g\n"
 | ||
|             "// h i j k",
 | ||
|             format("\\\n// a b c d e f  g h i j k",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("if (true) // A comment that\n"
 | ||
|             "          // doesn't fit on\n"
 | ||
|             "          // one line",
 | ||
|             format("if (true) // A comment that doesn't fit on one line   ",
 | ||
|                    getLLVMStyleWithColumns(30)));
 | ||
|   EXPECT_EQ("//    Don't_touch_leading_whitespace",
 | ||
|             format("//    Don't_touch_leading_whitespace",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("// Add leading\n"
 | ||
|             "// whitespace",
 | ||
|             format("//Add leading whitespace", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("// whitespace", format("//whitespace", getLLVMStyle()));
 | ||
|   EXPECT_EQ("// Even if it makes the line exceed the column\n"
 | ||
|             "// limit",
 | ||
|             format("//Even if it makes the line exceed the column limit",
 | ||
|                    getLLVMStyleWithColumns(51)));
 | ||
|   EXPECT_EQ("//--But not here", format("//--But not here", getLLVMStyle()));
 | ||
|   EXPECT_EQ("// A comment before\n"
 | ||
|             "// a macro\n"
 | ||
|             "// definition\n"
 | ||
|             "#define a b",
 | ||
|             format("// A comment before a macro definition\n"
 | ||
|                    "#define a b",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("void ffffff(int aaaaaaaaa,  // wwww\n"
 | ||
|             "            int a, int bbb, // xxxxxxx\n"
 | ||
|             "                            // yyyyyyyyy\n"
 | ||
|             "            int c, int d, int e) {}",
 | ||
|             format("void ffffff(\n"
 | ||
|                    "    int aaaaaaaaa, // wwww\n"
 | ||
|                    "    int a,\n"
 | ||
|                    "    int bbb, // xxxxxxx yyyyyyyyy\n"
 | ||
|                    "    int c, int d, int e) {}",
 | ||
|                    getLLVMStyleWithColumns(40)));
 | ||
|   EXPECT_EQ("//\t aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 | ||
|             format("//\t aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DontSplitLineCommentsWithEscapedNewlines) {
 | ||
|   EXPECT_EQ("// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|             "// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|             "// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 | ||
|             format("// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|                    "// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|                    "// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"));
 | ||
|   EXPECT_EQ("int a; // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|             "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|             "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
 | ||
|             format("int a; // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|                    "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|                    "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
 | ||
|                    getLLVMStyleWithColumns(50)));
 | ||
|   // FIXME: One day we might want to implement adjustment of leading whitespace
 | ||
|   // of the consecutive lines in this kind of comment:
 | ||
|   EXPECT_EQ("int\n"
 | ||
|             "a; // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|             "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|             "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
 | ||
|             format("int a; // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|                    "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\\n"
 | ||
|                    "       // AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
 | ||
|                    getLLVMStyleWithColumns(49)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, PriorityOfCommentBreaking) {
 | ||
|   EXPECT_EQ("if (xxx == yyy && // aaaaaaaaaaaa\n"
 | ||
|             "                  // bbbbbbbbb\n"
 | ||
|             "    zzz)\n"
 | ||
|             "  q();",
 | ||
|             format("if (xxx == yyy && // aaaaaaaaaaaa bbbbbbbbb\n"
 | ||
|                    "    zzz) q();",
 | ||
|                    getLLVMStyleWithColumns(40)));
 | ||
|   EXPECT_EQ("if (xxxxxxxxxx ==\n"
 | ||
|             "        yyy && // aaaaaa bbbbbbbb cccc\n"
 | ||
|             "    zzz)\n"
 | ||
|             "  q();",
 | ||
|             format("if (xxxxxxxxxx == yyy && // aaaaaa bbbbbbbb cccc\n"
 | ||
|                    "    zzz) q();",
 | ||
|                    getLLVMStyleWithColumns(40)));
 | ||
|   EXPECT_EQ("if (xxxxxxxxxx &&\n"
 | ||
|             "        yyy || // aaaaaa bbbbbbbb cccc\n"
 | ||
|             "    zzz)\n"
 | ||
|             "  q();",
 | ||
|             format("if (xxxxxxxxxx && yyy || // aaaaaa bbbbbbbb cccc\n"
 | ||
|                    "    zzz) q();",
 | ||
|                    getLLVMStyleWithColumns(40)));
 | ||
|   EXPECT_EQ("fffffffff(&xxx, // aaaaaaaaaaaa\n"
 | ||
|             "                // bbbbbbbbbbb\n"
 | ||
|             "          zzz);",
 | ||
|             format("fffffffff(&xxx, // aaaaaaaaaaaa bbbbbbbbbbb\n"
 | ||
|                    " zzz);",
 | ||
|                    getLLVMStyleWithColumns(40)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MultiLineCommentsInDefines) {
 | ||
|   EXPECT_EQ("#define A(x) /* \\\n"
 | ||
|             "  a comment     \\\n"
 | ||
|             "  inside */     \\\n"
 | ||
|             "  f();",
 | ||
|             format("#define A(x) /* \\\n"
 | ||
|                    "  a comment     \\\n"
 | ||
|                    "  inside */     \\\n"
 | ||
|                    "  f();",
 | ||
|                    getLLVMStyleWithColumns(17)));
 | ||
|   EXPECT_EQ("#define A(      \\\n"
 | ||
|             "    x) /*       \\\n"
 | ||
|             "  a comment     \\\n"
 | ||
|             "  inside */     \\\n"
 | ||
|             "  f();",
 | ||
|             format("#define A(      \\\n"
 | ||
|                    "    x) /*       \\\n"
 | ||
|                    "  a comment     \\\n"
 | ||
|                    "  inside */     \\\n"
 | ||
|                    "  f();",
 | ||
|                    getLLVMStyleWithColumns(17)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ParsesCommentsAdjacentToPPDirectives) {
 | ||
|   EXPECT_EQ("namespace {}\n// Test\n#define A",
 | ||
|             format("namespace {}\n   // Test\n#define A"));
 | ||
|   EXPECT_EQ("namespace {}\n/* Test */\n#define A",
 | ||
|             format("namespace {}\n   /* Test */\n#define A"));
 | ||
|   EXPECT_EQ("namespace {}\n/* Test */ #define A",
 | ||
|             format("namespace {}\n   /* Test */    #define A"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsLongLinesInComments) {
 | ||
|   EXPECT_EQ("/* This is a long\n"
 | ||
|             " * comment that\n"
 | ||
|             " * doesn't\n"
 | ||
|             " * fit on one line.\n"
 | ||
|             " */",
 | ||
|             format("/* "
 | ||
|                    "This is a long                                         "
 | ||
|                    "comment that "
 | ||
|                    "doesn't                                    "
 | ||
|                    "fit on one line.  */",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("/* a b c d\n"
 | ||
|             " * e f  g\n"
 | ||
|             " * h i j k\n"
 | ||
|             " */",
 | ||
|             format("/* a b c d e f  g h i j k */",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("/* a b c d\n"
 | ||
|             " * e f  g\n"
 | ||
|             " * h i j k\n"
 | ||
|             " */",
 | ||
|             format("\\\n/* a b c d e f  g h i j k */",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "This is a long\n"
 | ||
|             "comment that doesn't\n"
 | ||
|             "fit on one line.\n"
 | ||
|             "*/",
 | ||
|             format("/*\n"
 | ||
|                    "This is a long                                         "
 | ||
|                    "comment that doesn't                                    "
 | ||
|                    "fit on one line.                                      \n"
 | ||
|                    "*/", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " * This is a long\n"
 | ||
|             " * comment that\n"
 | ||
|             " * doesn't fit on\n"
 | ||
|             " * one line.\n"
 | ||
|             " */",
 | ||
|             format("/*      \n"
 | ||
|                    " * This is a long "
 | ||
|                    "   comment that     "
 | ||
|                    "   doesn't fit on   "
 | ||
|                    "   one line.                                            \n"
 | ||
|                    " */", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " * This_is_a_comment_with_words_that_dont_fit_on_one_line\n"
 | ||
|             " * so_it_should_be_broken\n"
 | ||
|             " * wherever_a_space_occurs\n"
 | ||
|             " */",
 | ||
|             format("/*\n"
 | ||
|                    " * This_is_a_comment_with_words_that_dont_fit_on_one_line "
 | ||
|                    "   so_it_should_be_broken "
 | ||
|                    "   wherever_a_space_occurs                             \n"
 | ||
|                    " */",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " *    This_comment_can_not_be_broken_into_lines\n"
 | ||
|             " */",
 | ||
|             format("/*\n"
 | ||
|                    " *    This_comment_can_not_be_broken_into_lines\n"
 | ||
|                    " */",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "  /*\n"
 | ||
|             "  This is another\n"
 | ||
|             "  long comment that\n"
 | ||
|             "  doesn't fit on one\n"
 | ||
|             "  line    1234567890\n"
 | ||
|             "  */\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "/*\n"
 | ||
|                    "This is another     "
 | ||
|                    "  long comment that "
 | ||
|                    "  doesn't fit on one"
 | ||
|                    "  line    1234567890\n"
 | ||
|                    "*/\n"
 | ||
|                    "}", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "  /*\n"
 | ||
|             "   * This        i s\n"
 | ||
|             "   * another comment\n"
 | ||
|             "   * t hat  doesn' t\n"
 | ||
|             "   * fit on one l i\n"
 | ||
|             "   * n e\n"
 | ||
|             "   */\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "/*\n"
 | ||
|                    " * This        i s"
 | ||
|                    "   another comment"
 | ||
|                    "   t hat  doesn' t"
 | ||
|                    "   fit on one l i"
 | ||
|                    "   n e\n"
 | ||
|                    " */\n"
 | ||
|                    "}", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " * This is a long\n"
 | ||
|             " * comment that\n"
 | ||
|             " * doesn't fit on\n"
 | ||
|             " * one line\n"
 | ||
|             " */",
 | ||
|             format("   /*\n"
 | ||
|                    "    * This is a long comment that doesn't fit on one line\n"
 | ||
|                    "    */", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "  if (something) /* This is a\n"
 | ||
|             "                    long\n"
 | ||
|             "                    comment */\n"
 | ||
|             "    ;\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "  if (something) /* This is a long comment */\n"
 | ||
|                    "    ;\n"
 | ||
|                    "}",
 | ||
|                    getLLVMStyleWithColumns(30)));
 | ||
| 
 | ||
|   EXPECT_EQ("/* A comment before\n"
 | ||
|             " * a macro\n"
 | ||
|             " * definition */\n"
 | ||
|             "#define a b",
 | ||
|             format("/* A comment before a macro definition */\n"
 | ||
|                    "#define a b",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| 
 | ||
|   EXPECT_EQ("/* some comment\n"
 | ||
|             "     *   a comment\n"
 | ||
|             "* that we break\n"
 | ||
|             " * another comment\n"
 | ||
|             "* we have to break\n"
 | ||
|             "* a left comment\n"
 | ||
|             " */",
 | ||
|             format("  /* some comment\n"
 | ||
|                    "       *   a comment that we break\n"
 | ||
|                    "   * another comment we have to break\n"
 | ||
|                    "* a left comment\n"
 | ||
|                    "   */",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| 
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "\n"
 | ||
|             "\n"
 | ||
|             "    */\n",
 | ||
|             format("  /*       \n"
 | ||
|                    "      \n"
 | ||
|                    "               \n"
 | ||
|                    "      */\n"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsLongLinesInCommentsInPreprocessor) {
 | ||
|   EXPECT_EQ("#define X          \\\n"
 | ||
|             "  /*               \\\n"
 | ||
|             "   Test            \\\n"
 | ||
|             "   Macro comment   \\\n"
 | ||
|             "   with a long     \\\n"
 | ||
|             "   line            \\\n"
 | ||
|             "   */              \\\n"
 | ||
|             "  A + B",
 | ||
|             format("#define X \\\n"
 | ||
|                    "  /*\n"
 | ||
|                    "   Test\n"
 | ||
|                    "   Macro comment with a long  line\n"
 | ||
|                    "   */ \\\n"
 | ||
|                    "  A + B",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("#define X          \\\n"
 | ||
|             "  /* Macro comment \\\n"
 | ||
|             "     with a long   \\\n"
 | ||
|             "     line */       \\\n"
 | ||
|             "  A + B",
 | ||
|             format("#define X \\\n"
 | ||
|                    "  /* Macro comment with a long\n"
 | ||
|                    "     line */ \\\n"
 | ||
|                    "  A + B",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("#define X          \\\n"
 | ||
|             "  /* Macro comment \\\n"
 | ||
|             "   * with a long   \\\n"
 | ||
|             "   * line */       \\\n"
 | ||
|             "  A + B",
 | ||
|             format("#define X \\\n"
 | ||
|                    "  /* Macro comment with a long  line */ \\\n"
 | ||
|                    "  A + B",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, CommentsInStaticInitializers) {
 | ||
|   EXPECT_EQ(
 | ||
|       "static SomeType type = { aaaaaaaaaaaaaaaaaaaa, /* comment */\n"
 | ||
|       "                         aaaaaaaaaaaaaaaaaaaa /* comment */,\n"
 | ||
|       "                         /* comment */ aaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                         aaaaaaaaaaaaaaaaaaaa, // comment\n"
 | ||
|       "                         aaaaaaaaaaaaaaaaaaaa };",
 | ||
|       format("static SomeType type = { aaaaaaaaaaaaaaaaaaaa  ,  /* comment */\n"
 | ||
|              "                   aaaaaaaaaaaaaaaaaaaa   /* comment */ ,\n"
 | ||
|              "                     /* comment */   aaaaaaaaaaaaaaaaaaaa ,\n"
 | ||
|              "              aaaaaaaaaaaaaaaaaaaa ,   // comment\n"
 | ||
|              "                  aaaaaaaaaaaaaaaaaaaa };"));
 | ||
|   verifyFormat("static SomeType type = { aaaaaaaaaaa, // comment for aa...\n"
 | ||
|                "                         bbbbbbbbbbb, ccccccccccc };");
 | ||
|   verifyFormat("static SomeType type = { aaaaaaaaaaa,\n"
 | ||
|                "                         // comment for bb....\n"
 | ||
|                "                         bbbbbbbbbbb, ccccccccccc };");
 | ||
|   verifyGoogleFormat(
 | ||
|       "static SomeType type = {aaaaaaaaaaa,  // comment for aa...\n"
 | ||
|       "                        bbbbbbbbbbb, ccccccccccc};");
 | ||
|   verifyGoogleFormat("static SomeType type = {aaaaaaaaaaa,\n"
 | ||
|                      "                        // comment for bb....\n"
 | ||
|                      "                        bbbbbbbbbbb, ccccccccccc};");
 | ||
| 
 | ||
|   verifyFormat("S s = { { a, b, c },   // Group #1\n"
 | ||
|                "        { d, e, f },   // Group #2\n"
 | ||
|                "        { g, h, i } }; // Group #3");
 | ||
|   verifyFormat("S s = { { // Group #1\n"
 | ||
|                "          a, b, c },\n"
 | ||
|                "        { // Group #2\n"
 | ||
|                "          d, e, f },\n"
 | ||
|                "        { // Group #3\n"
 | ||
|                "          g, h, i } };");
 | ||
| 
 | ||
|   EXPECT_EQ("S s = {\n"
 | ||
|             "  // Some comment\n"
 | ||
|             "  a,\n"
 | ||
|             "\n"
 | ||
|             "  // Comment after empty line\n"
 | ||
|             "  b\n"
 | ||
|             "}",
 | ||
|             format("S s =    {\n"
 | ||
|                    "      // Some comment\n"
 | ||
|                    "  a,\n"
 | ||
|                    "  \n"
 | ||
|                    "     // Comment after empty line\n"
 | ||
|                    "      b\n"
 | ||
|                    "}"));
 | ||
|   EXPECT_EQ("S s = {\n"
 | ||
|             "  /* Some comment */\n"
 | ||
|             "  a,\n"
 | ||
|             "\n"
 | ||
|             "  /* Comment after empty line */\n"
 | ||
|             "  b\n"
 | ||
|             "}",
 | ||
|             format("S s =    {\n"
 | ||
|                    "      /* Some comment */\n"
 | ||
|                    "  a,\n"
 | ||
|                    "  \n"
 | ||
|                    "     /* Comment after empty line */\n"
 | ||
|                    "      b\n"
 | ||
|                    "}"));
 | ||
|   verifyFormat("const uint8_t aaaaaaaaaaaaaaaaaaaaaa[0] = {\n"
 | ||
|                "  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n"
 | ||
|                "  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n"
 | ||
|                "  0x00, 0x00, 0x00, 0x00              // comment\n"
 | ||
|                "};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IgnoresIf0Contents) {
 | ||
|   EXPECT_EQ("#if 0\n"
 | ||
|             "}{)(&*(^%%#%@! fsadj f;ldjs ,:;| <<<>>>][)(][\n"
 | ||
|             "#endif\n"
 | ||
|             "void f() {}",
 | ||
|             format("#if 0\n"
 | ||
|                    "}{)(&*(^%%#%@! fsadj f;ldjs ,:;| <<<>>>][)(][\n"
 | ||
|                    "#endif\n"
 | ||
|                    "void f(  ) {  }"));
 | ||
|   EXPECT_EQ("#if false\n"
 | ||
|             "void f(  ) {  }\n"
 | ||
|             "#endif\n"
 | ||
|             "void g() {}\n",
 | ||
|             format("#if false\n"
 | ||
|                    "void f(  ) {  }\n"
 | ||
|                    "#endif\n"
 | ||
|                    "void g(  ) {  }\n"));
 | ||
|   EXPECT_EQ("enum E {\n"
 | ||
|             "  One,\n"
 | ||
|             "  Two,\n"
 | ||
|             "#if 0\n"
 | ||
|             "Three,\n"
 | ||
|             "      Four,\n"
 | ||
|             "#endif\n"
 | ||
|             "  Five\n"
 | ||
|             "};",
 | ||
|             format("enum E {\n"
 | ||
|                    "  One,Two,\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "Three,\n"
 | ||
|                    "      Four,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "  Five};"));
 | ||
|   EXPECT_EQ("enum F {\n"
 | ||
|             "  One,\n"
 | ||
|             "#if 1\n"
 | ||
|             "  Two,\n"
 | ||
|             "#if 0\n"
 | ||
|             "Three,\n"
 | ||
|             "      Four,\n"
 | ||
|             "#endif\n"
 | ||
|             "  Five\n"
 | ||
|             "#endif\n"
 | ||
|             "};",
 | ||
|             format("enum F {\n"
 | ||
|                    "One,\n"
 | ||
|                    "#if 1\n"
 | ||
|                    "Two,\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "Three,\n"
 | ||
|                    "      Four,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Five\n"
 | ||
|                    "#endif\n"
 | ||
|                    "};"));
 | ||
|   EXPECT_EQ("enum G {\n"
 | ||
|             "  One,\n"
 | ||
|             "#if 0\n"
 | ||
|             "Two,\n"
 | ||
|             "#else\n"
 | ||
|             "  Three,\n"
 | ||
|             "#endif\n"
 | ||
|             "  Four\n"
 | ||
|             "};",
 | ||
|             format("enum G {\n"
 | ||
|                    "One,\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "Two,\n"
 | ||
|                    "#else\n"
 | ||
|                    "Three,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Four\n"
 | ||
|                    "};"));
 | ||
|   EXPECT_EQ("enum H {\n"
 | ||
|             "  One,\n"
 | ||
|             "#if 0\n"
 | ||
|             "#ifdef Q\n"
 | ||
|             "Two,\n"
 | ||
|             "#else\n"
 | ||
|             "Three,\n"
 | ||
|             "#endif\n"
 | ||
|             "#endif\n"
 | ||
|             "  Four\n"
 | ||
|             "};",
 | ||
|             format("enum H {\n"
 | ||
|                    "One,\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "#ifdef Q\n"
 | ||
|                    "Two,\n"
 | ||
|                    "#else\n"
 | ||
|                    "Three,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Four\n"
 | ||
|                    "};"));
 | ||
|   EXPECT_EQ("enum I {\n"
 | ||
|             "  One,\n"
 | ||
|             "#if /* test */ 0 || 1\n"
 | ||
|             "Two,\n"
 | ||
|             "Three,\n"
 | ||
|             "#endif\n"
 | ||
|             "  Four\n"
 | ||
|             "};",
 | ||
|             format("enum I {\n"
 | ||
|                    "One,\n"
 | ||
|                    "#if /* test */ 0 || 1\n"
 | ||
|                    "Two,\n"
 | ||
|                    "Three,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Four\n"
 | ||
|                    "};"));
 | ||
|   EXPECT_EQ("enum J {\n"
 | ||
|             "  One,\n"
 | ||
|             "#if 0\n"
 | ||
|             "#if 0\n"
 | ||
|             "Two,\n"
 | ||
|             "#else\n"
 | ||
|             "Three,\n"
 | ||
|             "#endif\n"
 | ||
|             "Four,\n"
 | ||
|             "#endif\n"
 | ||
|             "  Five\n"
 | ||
|             "};",
 | ||
|             format("enum J {\n"
 | ||
|                    "One,\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "#if 0\n"
 | ||
|                    "Two,\n"
 | ||
|                    "#else\n"
 | ||
|                    "Three,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Four,\n"
 | ||
|                    "#endif\n"
 | ||
|                    "Five\n"
 | ||
|                    "};"));
 | ||
| 
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Tests for classes, namespaces, etc.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) {
 | ||
|   verifyFormat("class A {};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsAccessSpecifiers) {
 | ||
|   verifyFormat("class A {\n"
 | ||
|                "public:\n"
 | ||
|                "public: // comment\n"
 | ||
|                "protected:\n"
 | ||
|                "private:\n"
 | ||
|                "  void f() {}\n"
 | ||
|                "};");
 | ||
|   verifyGoogleFormat("class A {\n"
 | ||
|                      " public:\n"
 | ||
|                      " protected:\n"
 | ||
|                      " private:\n"
 | ||
|                      "  void f() {}\n"
 | ||
|                      "};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SeparatesLogicalBlocks) {
 | ||
|   EXPECT_EQ("class A {\n"
 | ||
|             "public:\n"
 | ||
|             "  void f();\n"
 | ||
|             "\n"
 | ||
|             "private:\n"
 | ||
|             "  void g() {}\n"
 | ||
|             "  // test\n"
 | ||
|             "protected:\n"
 | ||
|             "  int h;\n"
 | ||
|             "};",
 | ||
|             format("class A {\n"
 | ||
|                    "public:\n"
 | ||
|                    "void f();\n"
 | ||
|                    "private:\n"
 | ||
|                    "void g() {}\n"
 | ||
|                    "// test\n"
 | ||
|                    "protected:\n"
 | ||
|                    "int h;\n"
 | ||
|                    "};"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsClasses) {
 | ||
|   verifyFormat("class A : public B {};");
 | ||
|   verifyFormat("class A : public ::B {};");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "class AAAAAAAAAAAAAAAAAAAA : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n"
 | ||
|       "                             public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};");
 | ||
|   verifyFormat("class AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
 | ||
|                "    : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n"
 | ||
|                "      public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};");
 | ||
|   verifyFormat(
 | ||
|       "class A : public B, public C, public D, public E, public F {};");
 | ||
|   verifyFormat("class AAAAAAAAAAAA : public B,\n"
 | ||
|                "                     public C,\n"
 | ||
|                "                     public D,\n"
 | ||
|                "                     public E,\n"
 | ||
|                "                     public F,\n"
 | ||
|                "                     public G {};");
 | ||
| 
 | ||
|   verifyFormat("class\n"
 | ||
|                "    ReallyReallyLongClassName {\n};",
 | ||
|                getLLVMStyleWithColumns(32));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsVariableDeclarationsAfterStructOrClass) {
 | ||
|   verifyFormat("class A {\n} a, b;");
 | ||
|   verifyFormat("struct A {\n} a, b;");
 | ||
|   verifyFormat("union A {\n} a;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsEnum) {
 | ||
|   verifyFormat("enum {\n"
 | ||
|                "  Zero,\n"
 | ||
|                "  One = 1,\n"
 | ||
|                "  Two = One + 1,\n"
 | ||
|                "  Three = (One + Two),\n"
 | ||
|                "  Four = (Zero && (One ^ Two)) | (One << Two),\n"
 | ||
|                "  Five = (One, Two, Three, Four, 5)\n"
 | ||
|                "};");
 | ||
|   verifyFormat("enum Enum {};");
 | ||
|   verifyFormat("enum {};");
 | ||
|   verifyFormat("enum X E {\n} d;");
 | ||
|   verifyFormat("enum __attribute__((...)) E {\n} d;");
 | ||
|   verifyFormat("enum __declspec__((...)) E {\n} d;");
 | ||
|   verifyFormat("enum X f() {\n  a();\n  return 42;\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsBitfields) {
 | ||
|   verifyFormat("struct Bitfields {\n"
 | ||
|                "  unsigned sClass : 8;\n"
 | ||
|                "  unsigned ValueKind : 2;\n"
 | ||
|                "};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsNamespaces) {
 | ||
|   verifyFormat("namespace some_namespace {\n"
 | ||
|                "class A {};\n"
 | ||
|                "void f() { f(); }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("namespace {\n"
 | ||
|                "class A {};\n"
 | ||
|                "void f() { f(); }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("inline namespace X {\n"
 | ||
|                "class A {};\n"
 | ||
|                "void f() { f(); }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("using namespace some_namespace;\n"
 | ||
|                "class A {};\n"
 | ||
|                "void f() { f(); }");
 | ||
| 
 | ||
|   // This code is more common than we thought; if we
 | ||
|   // layout this correctly the semicolon will go into
 | ||
|   // its own line, which is undesireable.
 | ||
|   verifyFormat("namespace {};");
 | ||
|   verifyFormat("namespace {\n"
 | ||
|                "class A {};\n"
 | ||
|                "};");
 | ||
| 
 | ||
|   verifyFormat("namespace {\n"
 | ||
|                "int SomeVariable = 0; // comment\n"
 | ||
|                "} // namespace");
 | ||
|   EXPECT_EQ("#ifndef HEADER_GUARD\n"
 | ||
|             "#define HEADER_GUARD\n"
 | ||
|             "namespace my_namespace {\n"
 | ||
|             "int i;\n"
 | ||
|             "} // my_namespace\n"
 | ||
|             "#endif // HEADER_GUARD",
 | ||
|             format("#ifndef HEADER_GUARD\n"
 | ||
|                    " #define HEADER_GUARD\n"
 | ||
|                    "   namespace my_namespace {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "}    // my_namespace\n"
 | ||
|                    "#endif    // HEADER_GUARD"));
 | ||
| 
 | ||
|   FormatStyle Style = getLLVMStyle();
 | ||
|   Style.NamespaceIndentation = FormatStyle::NI_All;
 | ||
|   EXPECT_EQ("namespace out {\n"
 | ||
|             "  int i;\n"
 | ||
|             "  namespace in {\n"
 | ||
|             "    int i;\n"
 | ||
|             "  } // namespace\n"
 | ||
|             "} // namespace",
 | ||
|             format("namespace out {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "namespace in {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "} // namespace\n"
 | ||
|                    "} // namespace",
 | ||
|                    Style));
 | ||
| 
 | ||
|   Style.NamespaceIndentation = FormatStyle::NI_Inner;
 | ||
|   EXPECT_EQ("namespace out {\n"
 | ||
|             "int i;\n"
 | ||
|             "namespace in {\n"
 | ||
|             "  int i;\n"
 | ||
|             "} // namespace\n"
 | ||
|             "} // namespace",
 | ||
|             format("namespace out {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "namespace in {\n"
 | ||
|                    "int i;\n"
 | ||
|                    "} // namespace\n"
 | ||
|                    "} // namespace",
 | ||
|                    Style));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsExternC) { verifyFormat("extern \"C\" {\nint a;"); }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsInlineASM) {
 | ||
|   verifyFormat("asm(\"xyz\" : \"=a\"(a), \"=d\"(b) : \"a\"(data));");
 | ||
|   verifyFormat(
 | ||
|       "asm(\"movq\\t%%rbx, %%rsi\\n\\t\"\n"
 | ||
|       "    \"cpuid\\n\\t\"\n"
 | ||
|       "    \"xchgq\\t%%rbx, %%rsi\\n\\t\"\n"
 | ||
|       "    : \"=a\"(*rEAX), \"=S\"(*rEBX), \"=c\"(*rECX), \"=d\"(*rEDX)\n"
 | ||
|       "    : \"a\"(value));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatTryCatch) {
 | ||
|   // FIXME: Handle try-catch explicitly in the UnwrappedLineParser, then we'll
 | ||
|   // also not create single-line-blocks.
 | ||
|   verifyFormat("try {\n"
 | ||
|                "  throw a * b;\n"
 | ||
|                "}\n"
 | ||
|                "catch (int a) {\n"
 | ||
|                "  // Do nothing.\n"
 | ||
|                "}\n"
 | ||
|                "catch (...) {\n"
 | ||
|                "  exit(42);\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   // Function-level try statements.
 | ||
|   verifyFormat("int f() try { return 4; }\n"
 | ||
|                "catch (...) {\n"
 | ||
|                "  return 5;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("class A {\n"
 | ||
|                "  int a;\n"
 | ||
|                "  A() try : a(0) {}\n"
 | ||
|                "  catch (...) {\n"
 | ||
|                "    throw;\n"
 | ||
|                "  }\n"
 | ||
|                "};\n");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCTryCatch) {
 | ||
|   verifyFormat("@try {\n"
 | ||
|                "  f();\n"
 | ||
|                "}\n"
 | ||
|                "@catch (NSException e) {\n"
 | ||
|                "  @throw;\n"
 | ||
|                "}\n"
 | ||
|                "@finally {\n"
 | ||
|                "  exit(42);\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, StaticInitializers) {
 | ||
|   verifyFormat("static SomeClass SC = { 1, 'a' };");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "static SomeClass WithALoooooooooooooooooooongName = {\n"
 | ||
|       "  100000000, \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n"
 | ||
|       "};");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "static SomeClass = { a, b, c, d, e, f, g, h, i, j,\n"
 | ||
|       "                     looooooooooooooooooooooooooooooooooongname,\n"
 | ||
|       "                     looooooooooooooooooooooooooooooong };");
 | ||
|   // Allow bin-packing in static initializers as this would often lead to
 | ||
|   // terrible results, e.g.:
 | ||
|   verifyGoogleFormat(
 | ||
|       "static SomeClass = {a, b, c, d, e, f, g, h, i, j,\n"
 | ||
|       "                    looooooooooooooooooooooooooooooooooongname,\n"
 | ||
|       "                    looooooooooooooooooooooooooooooong};");
 | ||
|   // Here, everything other than the "}" would fit on a line.
 | ||
|   verifyFormat("static int LooooooooooooooooooooooooongVariable[1] = {\n"
 | ||
|                "  100000000000000000000000\n"
 | ||
|                "};");
 | ||
|   EXPECT_EQ("S s = { a, b };", format("S s = {\n"
 | ||
|                                       "  a,\n"
 | ||
|                                       "\n"
 | ||
|                                       "  b\n"
 | ||
|                                       "};"));
 | ||
| 
 | ||
|   // FIXME: This would fit into the column limit if we'd fit "{ {" on the first
 | ||
|   // line. However, the formatting looks a bit off and this probably doesn't
 | ||
|   // happen often in practice.
 | ||
|   verifyFormat("static int Variable[1] = {\n"
 | ||
|                "  { 1000000000000000000000000000000000000 }\n"
 | ||
|                "};",
 | ||
|                getLLVMStyleWithColumns(40));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DesignatedInitializers) {
 | ||
|   verifyFormat("const struct A a = { .a = 1, .b = 2 };");
 | ||
|   verifyFormat("const struct A a = { .aaaaaaaaaa = 1,\n"
 | ||
|                "                     .bbbbbbbbbb = 2,\n"
 | ||
|                "                     .cccccccccc = 3,\n"
 | ||
|                "                     .dddddddddd = 4,\n"
 | ||
|                "                     .eeeeeeeeee = 5 };");
 | ||
|   verifyFormat("const struct Aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa = {\n"
 | ||
|                "  .aaaaaaaaaaaaaaaaaaaaaaaaaaa = 1,\n"
 | ||
|                "  .bbbbbbbbbbbbbbbbbbbbbbbbbbb = 2,\n"
 | ||
|                "  .ccccccccccccccccccccccccccc = 3,\n"
 | ||
|                "  .ddddddddddddddddddddddddddd = 4,\n"
 | ||
|                "  .eeeeeeeeeeeeeeeeeeeeeeeeeee = 5\n"
 | ||
|                "};");
 | ||
| 
 | ||
|   verifyGoogleFormat("const struct A a = {.a = 1, .b = 2};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, NestedStaticInitializers) {
 | ||
|   verifyFormat("static A x = { { {} } };\n");
 | ||
|   verifyFormat("static A x = { { { init1, init2, init3, init4 },\n"
 | ||
|                "                 { init1, init2, init3, init4 } } };");
 | ||
| 
 | ||
|   verifyFormat("somes Status::global_reps[3] = {\n"
 | ||
|                "  { kGlobalRef, OK_CODE, NULL, NULL, NULL },\n"
 | ||
|                "  { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL },\n"
 | ||
|                "  { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL }\n"
 | ||
|                "};");
 | ||
|   verifyGoogleFormat("SomeType Status::global_reps[3] = {\n"
 | ||
|                      "    {kGlobalRef, OK_CODE, NULL, NULL, NULL},\n"
 | ||
|                      "    {kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL},\n"
 | ||
|                      "    {kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL}};");
 | ||
|   verifyFormat(
 | ||
|       "CGRect cg_rect = { { rect.fLeft, rect.fTop },\n"
 | ||
|       "                   { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop"
 | ||
|       " } };");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "SomeArrayOfSomeType a = { { { 1, 2, 3 }, { 1, 2, 3 },\n"
 | ||
|       "                            { 111111111111111111111111111111,\n"
 | ||
|       "                              222222222222222222222222222222,\n"
 | ||
|       "                              333333333333333333333333333333 },\n"
 | ||
|       "                            { 1, 2, 3 }, { 1, 2, 3 } } };");
 | ||
|   verifyFormat(
 | ||
|       "SomeArrayOfSomeType a = { { { 1, 2, 3 } }, { { 1, 2, 3 } },\n"
 | ||
|       "                          { { 111111111111111111111111111111,\n"
 | ||
|       "                              222222222222222222222222222222,\n"
 | ||
|       "                              333333333333333333333333333333 } },\n"
 | ||
|       "                          { { 1, 2, 3 } }, { { 1, 2, 3 } } };");
 | ||
|   verifyGoogleFormat(
 | ||
|       "SomeArrayOfSomeType a = {\n"
 | ||
|       "    {{1, 2, 3}}, {{1, 2, 3}},\n"
 | ||
|       "    {{111111111111111111111111111111, 222222222222222222222222222222,\n"
 | ||
|       "      333333333333333333333333333333}},\n"
 | ||
|       "    {{1, 2, 3}}, {{1, 2, 3}}};");
 | ||
| 
 | ||
|   // FIXME: We might at some point want to handle this similar to parameter
 | ||
|   // lists, where we have an option to put each on a single line.
 | ||
|   verifyFormat(
 | ||
|       "struct {\n"
 | ||
|       "  unsigned bit;\n"
 | ||
|       "  const char *const name;\n"
 | ||
|       "} kBitsToOs[] = { { kOsMac, \"Mac\" }, { kOsWin, \"Windows\" },\n"
 | ||
|       "                  { kOsLinux, \"Linux\" }, { kOsCrOS, \"Chrome OS\" } };");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsSmallMacroDefinitionsInSingleLine) {
 | ||
|   verifyFormat("#define ALooooooooooooooooooooooooooooooooooooooongMacro("
 | ||
|                "                      \\\n"
 | ||
|                "    aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoesNotBreakPureVirtualFunctionDefinition) {
 | ||
|   verifyFormat(
 | ||
|       "virtual void write(ELFWriter *writerrr,\n"
 | ||
|       "                   OwningPtr<FileOutputBuffer> &buffer) = 0;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutUnknownPPDirective) {
 | ||
|   EXPECT_EQ("#123 \"A string literal\"",
 | ||
|             format("   #     123    \"A string literal\""));
 | ||
|   EXPECT_EQ("#;", format("#;"));
 | ||
|   verifyFormat("#\n;\n;\n;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) {
 | ||
|   EXPECT_EQ("#line 42 \"test\"\n",
 | ||
|             format("#  \\\n  line  \\\n  42  \\\n  \"test\"\n"));
 | ||
|   EXPECT_EQ("#define A B\n", format("#  \\\n define  \\\n    A  \\\n       B\n",
 | ||
|                                     getLLVMStyleWithColumns(12)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, EndOfFileEndsPPDirective) {
 | ||
|   EXPECT_EQ("#line 42 \"test\"",
 | ||
|             format("#  \\\n  line  \\\n  42  \\\n  \"test\""));
 | ||
|   EXPECT_EQ("#define A B", format("#  \\\n define  \\\n    A  \\\n       B"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IndentsPPDirectiveInReducedSpace) {
 | ||
|   verifyFormat("#define A(BB)", getLLVMStyleWithColumns(13));
 | ||
|   verifyFormat("#define A( \\\n    BB)", getLLVMStyleWithColumns(12));
 | ||
|   verifyFormat("#define A( \\\n    A, B)", getLLVMStyleWithColumns(12));
 | ||
|   // FIXME: We never break before the macro name.
 | ||
|   verifyFormat("#define AA(\\\n    B)", getLLVMStyleWithColumns(12));
 | ||
| 
 | ||
|   verifyFormat("#define A A\n#define A A");
 | ||
|   verifyFormat("#define A(X) A\n#define A A");
 | ||
| 
 | ||
|   verifyFormat("#define Something Other", getLLVMStyleWithColumns(23));
 | ||
|   verifyFormat("#define Something    \\\n  Other", getLLVMStyleWithColumns(22));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, HandlePreprocessorDirectiveContext) {
 | ||
|   EXPECT_EQ("// somecomment\n"
 | ||
|             "#include \"a.h\"\n"
 | ||
|             "#define A(  \\\n"
 | ||
|             "    A, B)\n"
 | ||
|             "#include \"b.h\"\n"
 | ||
|             "// somecomment\n",
 | ||
|             format("  // somecomment\n"
 | ||
|                    "  #include \"a.h\"\n"
 | ||
|                    "#define A(A,\\\n"
 | ||
|                    "    B)\n"
 | ||
|                    "    #include \"b.h\"\n"
 | ||
|                    " // somecomment\n",
 | ||
|                    getLLVMStyleWithColumns(13)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutSingleHash) { EXPECT_EQ("#\na;", format("#\na;")); }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutCodeInMacroDefinitions) {
 | ||
|   EXPECT_EQ("#define A    \\\n"
 | ||
|             "  c;         \\\n"
 | ||
|             "  e;\n"
 | ||
|             "f;",
 | ||
|             format("#define A c; e;\n"
 | ||
|                    "f;",
 | ||
|                    getLLVMStyleWithColumns(14)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutRemainingTokens) { EXPECT_EQ("{}", format("{}")); }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlwaysFormatsEntireMacroDefinitions) {
 | ||
|   EXPECT_EQ("int  i;\n"
 | ||
|             "#define A \\\n"
 | ||
|             "  int i;  \\\n"
 | ||
|             "  int j\n"
 | ||
|             "int  k;",
 | ||
|             format("int  i;\n"
 | ||
|                    "#define A  \\\n"
 | ||
|                    " int   i    ;  \\\n"
 | ||
|                    " int   j\n"
 | ||
|                    "int  k;",
 | ||
|                    8, 0, getGoogleStyle())); // 8: position of "#define".
 | ||
|   EXPECT_EQ("int  i;\n"
 | ||
|             "#define A \\\n"
 | ||
|             "  int i;  \\\n"
 | ||
|             "  int j\n"
 | ||
|             "int  k;",
 | ||
|             format("int  i;\n"
 | ||
|                    "#define A  \\\n"
 | ||
|                    " int   i    ;  \\\n"
 | ||
|                    " int   j\n"
 | ||
|                    "int  k;",
 | ||
|                    45, 0, getGoogleStyle())); // 45: position of "j".
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MacroDefinitionInsideStatement) {
 | ||
|   EXPECT_EQ("int x,\n"
 | ||
|             "#define A\n"
 | ||
|             "    y;",
 | ||
|             format("int x,\n#define A\ny;"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, HashInMacroDefinition) {
 | ||
|   verifyFormat("#define A \\\n  b #c;", getLLVMStyleWithColumns(11));
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  {       \\\n"
 | ||
|                "    f(#c);\\\n"
 | ||
|                "  }",
 | ||
|                getLLVMStyleWithColumns(11));
 | ||
| 
 | ||
|   verifyFormat("#define A(X)         \\\n"
 | ||
|                "  void function##X()",
 | ||
|                getLLVMStyleWithColumns(22));
 | ||
| 
 | ||
|   verifyFormat("#define A(a, b, c)   \\\n"
 | ||
|                "  void a##b##c()",
 | ||
|                getLLVMStyleWithColumns(22));
 | ||
| 
 | ||
|   verifyFormat("#define A void # ## #", getLLVMStyleWithColumns(22));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, RespectWhitespaceInMacroDefinitions) {
 | ||
|   verifyFormat("#define A (1)");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, EmptyLinesInMacroDefinitions) {
 | ||
|   EXPECT_EQ("#define A b;", format("#define A \\\n"
 | ||
|                                    "          \\\n"
 | ||
|                                    "  b;",
 | ||
|                                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("#define A \\\n"
 | ||
|             "          \\\n"
 | ||
|             "  a;      \\\n"
 | ||
|             "  b;",
 | ||
|             format("#define A \\\n"
 | ||
|                    "          \\\n"
 | ||
|                    "  a;      \\\n"
 | ||
|                    "  b;",
 | ||
|                    getLLVMStyleWithColumns(11)));
 | ||
|   EXPECT_EQ("#define A \\\n"
 | ||
|             "  a;      \\\n"
 | ||
|             "          \\\n"
 | ||
|             "  b;",
 | ||
|             format("#define A \\\n"
 | ||
|                    "  a;      \\\n"
 | ||
|                    "          \\\n"
 | ||
|                    "  b;",
 | ||
|                    getLLVMStyleWithColumns(11)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MacroDefinitionsWithIncompleteCode) {
 | ||
|   verifyFormat("#define A :");
 | ||
|   verifyFormat("#define SOMECASES  \\\n"
 | ||
|                "  case 1:          \\\n"
 | ||
|                "  case 2\n",
 | ||
|                getLLVMStyleWithColumns(20));
 | ||
|   verifyFormat("#define A template <typename T>");
 | ||
|   verifyFormat("#define STR(x) #x\n"
 | ||
|                "f(STR(this_is_a_string_literal{));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MacrosWithoutTrailingSemicolon) {
 | ||
|   verifyFormat("SOME_TYPE_NAME abc;"); // Gated on the newline.
 | ||
|   EXPECT_EQ("class A : public QObject {\n"
 | ||
|             "  Q_OBJECT\n"
 | ||
|             "\n"
 | ||
|             "  A() {}\n"
 | ||
|             "};",
 | ||
|             format("class A  :  public QObject {\n"
 | ||
|                    "     Q_OBJECT\n"
 | ||
|                    "\n"
 | ||
|                    "  A() {\n}\n"
 | ||
|                    "}  ;"));
 | ||
|   EXPECT_EQ("SOME_MACRO\n"
 | ||
|             "namespace {\n"
 | ||
|             "void f();\n"
 | ||
|             "}",
 | ||
|             format("SOME_MACRO\n"
 | ||
|                    "  namespace    {\n"
 | ||
|                    "void   f(  );\n"
 | ||
|                    "}"));
 | ||
|   // Only if the identifier contains at least 5 characters.
 | ||
|   EXPECT_EQ("HTTP f();",
 | ||
|             format("HTTP\nf();"));
 | ||
|   EXPECT_EQ("MACRO\nf();",
 | ||
|             format("MACRO\nf();"));
 | ||
|   // Only if everything is upper case.
 | ||
|   EXPECT_EQ("class A : public QObject {\n"
 | ||
|             "  Q_Object A() {}\n"
 | ||
|             "};",
 | ||
|             format("class A  :  public QObject {\n"
 | ||
|                    "     Q_Object\n"
 | ||
|                    "\n"
 | ||
|                    "  A() {\n}\n"
 | ||
|                    "}  ;"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MacroCallsWithoutTrailingSemicolon) {
 | ||
|   EXPECT_EQ("INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n"
 | ||
|             "INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n"
 | ||
|             "INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n"
 | ||
|             "class X {};\n"
 | ||
|             "INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n"
 | ||
|             "int *createScopDetectionPass() { return 0; }",
 | ||
|             format("  INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n"
 | ||
|                    "  INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n"
 | ||
|                    "  INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n"
 | ||
|                    "  class X {};\n"
 | ||
|                    "  INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n"
 | ||
|                    "  int *createScopDetectionPass() { return 0; }"));
 | ||
|   // FIXME: We could probably treat IPC_BEGIN_MESSAGE_MAP/IPC_END_MESSAGE_MAP as
 | ||
|   // braces, so that inner block is indented one level more.
 | ||
|   EXPECT_EQ("int q() {\n"
 | ||
|             "  IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n"
 | ||
|             "  IPC_MESSAGE_HANDLER(xxx, qqq)\n"
 | ||
|             "  IPC_END_MESSAGE_MAP()\n"
 | ||
|             "}",
 | ||
|             format("int q() {\n"
 | ||
|                    "  IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n"
 | ||
|                    "    IPC_MESSAGE_HANDLER(xxx, qqq)\n"
 | ||
|                    "  IPC_END_MESSAGE_MAP()\n"
 | ||
|                    "}"));
 | ||
|   EXPECT_EQ("int q() {\n"
 | ||
|             "  f(x);\n"
 | ||
|             "  f(x) {}\n"
 | ||
|             "  f(x)->g();\n"
 | ||
|             "  f(x)->*g();\n"
 | ||
|             "  f(x).g();\n"
 | ||
|             "  f(x) = x;\n"
 | ||
|             "  f(x) += x;\n"
 | ||
|             "  f(x) -= x;\n"
 | ||
|             "  f(x) *= x;\n"
 | ||
|             "  f(x) /= x;\n"
 | ||
|             "  f(x) %= x;\n"
 | ||
|             "  f(x) &= x;\n"
 | ||
|             "  f(x) |= x;\n"
 | ||
|             "  f(x) ^= x;\n"
 | ||
|             "  f(x) >>= x;\n"
 | ||
|             "  f(x) <<= x;\n"
 | ||
|             "  f(x)[y].z();\n"
 | ||
|             "  LOG(INFO) << x;\n"
 | ||
|             "  ifstream(x) >> x;\n"
 | ||
|             "}\n",
 | ||
|             format("int q() {\n"
 | ||
|                    "  f(x)\n;\n"
 | ||
|                    "  f(x)\n {}\n"
 | ||
|                    "  f(x)\n->g();\n"
 | ||
|                    "  f(x)\n->*g();\n"
 | ||
|                    "  f(x)\n.g();\n"
 | ||
|                    "  f(x)\n = x;\n"
 | ||
|                    "  f(x)\n += x;\n"
 | ||
|                    "  f(x)\n -= x;\n"
 | ||
|                    "  f(x)\n *= x;\n"
 | ||
|                    "  f(x)\n /= x;\n"
 | ||
|                    "  f(x)\n %= x;\n"
 | ||
|                    "  f(x)\n &= x;\n"
 | ||
|                    "  f(x)\n |= x;\n"
 | ||
|                    "  f(x)\n ^= x;\n"
 | ||
|                    "  f(x)\n >>= x;\n"
 | ||
|                    "  f(x)\n <<= x;\n"
 | ||
|                    "  f(x)\n[y].z();\n"
 | ||
|                    "  LOG(INFO)\n << x;\n"
 | ||
|                    "  ifstream(x)\n >> x;\n"
 | ||
|                    "}\n"));
 | ||
|   EXPECT_EQ("int q() {\n"
 | ||
|             "  f(x)\n"
 | ||
|             "  if (1) {\n"
 | ||
|             "  }\n"
 | ||
|             "  f(x)\n"
 | ||
|             "  while (1) {\n"
 | ||
|             "  }\n"
 | ||
|             "  f(x)\n"
 | ||
|             "  g(x);\n"
 | ||
|             "  f(x)\n"
 | ||
|             "  try {\n"
 | ||
|             "    q();\n"
 | ||
|             "  }\n"
 | ||
|             "  catch (...) {\n"
 | ||
|             "  }\n"
 | ||
|             "}\n",
 | ||
|             format("int q() {\n"
 | ||
|                    "f(x)\n"
 | ||
|                    "if (1) {}\n"
 | ||
|                    "f(x)\n"
 | ||
|                    "while (1) {}\n"
 | ||
|                    "f(x)\n"
 | ||
|                    "g(x);\n"
 | ||
|                    "f(x)\n"
 | ||
|                    "try { q(); } catch (...) {}\n"
 | ||
|                    "}\n"));
 | ||
|   EXPECT_EQ("class A {\n"
 | ||
|             "  A() : t(0) {}\n"
 | ||
|             "  A(X x)\n" // FIXME: function-level try blocks are broken.
 | ||
|             "  try : t(0) {\n"
 | ||
|             "  }\n"
 | ||
|             "  catch (...) {\n"
 | ||
|             "  }\n"
 | ||
|             "};",
 | ||
|             format("class A {\n"
 | ||
|                    "  A()\n : t(0) {}\n"
 | ||
|                    "  A(X x)\n"
 | ||
|                    "  try : t(0) {} catch (...) {}\n"
 | ||
|                    "};"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutMacroDefinitionsStatementsSpanningBlocks) {
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  f({     \\\n"
 | ||
|                "    g();  \\\n"
 | ||
|                "  });", getLLVMStyleWithColumns(11));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IndentPreprocessorDirectivesAtZero) {
 | ||
|   EXPECT_EQ("{\n  {\n#define A\n  }\n}", format("{{\n#define A\n}}"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatHashIfNotAtStartOfLine) {
 | ||
|   verifyFormat("{\n  { a #c; }\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatUnbalancedStructuralElements) {
 | ||
|   EXPECT_EQ("#define A \\\n  {       \\\n    {\nint i;",
 | ||
|             format("#define A { {\nint i;", getLLVMStyleWithColumns(11)));
 | ||
|   EXPECT_EQ("#define A \\\n  }       \\\n  }\nint i;",
 | ||
|             format("#define A } }\nint i;", getLLVMStyleWithColumns(11)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, EscapedNewlineAtStartOfToken) {
 | ||
|   EXPECT_EQ(
 | ||
|       "#define A \\\n  int i;  \\\n  int j;",
 | ||
|       format("#define A \\\nint i;\\\n  int j;", getLLVMStyleWithColumns(11)));
 | ||
|   EXPECT_EQ("template <class T> f();", format("\\\ntemplate <class T> f();"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, NoEscapedNewlineHandlingInBlockComments) {
 | ||
|   EXPECT_EQ("/* \\  \\  \\\n*/", format("\\\n/* \\  \\  \\\n*/"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, CalculateSpaceOnConsecutiveLinesInMacro) {
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  int v(  \\\n"
 | ||
|                "      a); \\\n"
 | ||
|                "  int i;",
 | ||
|                getLLVMStyleWithColumns(11));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MixingPreprocessorDirectivesAndNormalCode) {
 | ||
|   EXPECT_EQ(
 | ||
|       "#define ALooooooooooooooooooooooooooooooooooooooongMacro("
 | ||
|       "                      \\\n"
 | ||
|       "    aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n"
 | ||
|       "\n"
 | ||
|       "AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n"
 | ||
|       "    aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n",
 | ||
|       format("  #define   ALooooooooooooooooooooooooooooooooooooooongMacro("
 | ||
|              "\\\n"
 | ||
|              "aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n"
 | ||
|              "  \n"
 | ||
|              "   AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n"
 | ||
|              "  aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutStatementsAroundPreprocessorDirectives) {
 | ||
|   EXPECT_EQ("int\n"
 | ||
|             "#define A\n"
 | ||
|             "    a;",
 | ||
|             format("int\n#define A\na;", getGoogleStyle()));
 | ||
|   verifyFormat("functionCallTo(\n"
 | ||
|                "    someOtherFunction(\n"
 | ||
|                "        withSomeParameters, whichInSequence,\n"
 | ||
|                "        areLongerThanALine(andAnotherCall,\n"
 | ||
|                "#define A B\n"
 | ||
|                "                           withMoreParamters,\n"
 | ||
|                "                           whichStronglyInfluenceTheLayout),\n"
 | ||
|                "        andMoreParameters),\n"
 | ||
|                "    trailing);",
 | ||
|                getLLVMStyleWithColumns(69));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutBlockInsideParens) {
 | ||
|   EXPECT_EQ("functionCall({\n"
 | ||
|             "  int i;\n"
 | ||
|             "});",
 | ||
|             format(" functionCall ( {int i;} );"));
 | ||
| 
 | ||
|   // FIXME: This is bad, find a better and more generic solution.
 | ||
|   EXPECT_EQ("functionCall({\n"
 | ||
|             "  int i;\n"
 | ||
|             "},\n"
 | ||
|             "             aaaa, bbbb, cccc);",
 | ||
|             format(" functionCall ( {int i;},  aaaa,   bbbb, cccc);"));
 | ||
|   verifyFormat(
 | ||
|       "Aaa({\n"
 | ||
|       "  int i;\n"
 | ||
|       "},\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
 | ||
|       "                                     ccccccccccccccccc));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutBlockInsideStatement) {
 | ||
|   EXPECT_EQ("SOME_MACRO { int i; }\n"
 | ||
|             "int i;",
 | ||
|             format("  SOME_MACRO  {int i;}  int i;"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutNestedBlocks) {
 | ||
|   verifyFormat("void AddOsStrings(unsigned bitmask) {\n"
 | ||
|                "  struct s {\n"
 | ||
|                "    int i;\n"
 | ||
|                "  };\n"
 | ||
|                "  s kBitsToOs[] = { { 10 } };\n"
 | ||
|                "  for (int i = 0; i < 10; ++i)\n"
 | ||
|                "    return;\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, PutEmptyBlocksIntoOneLine) {
 | ||
|   EXPECT_EQ("{}", format("{}"));
 | ||
|   verifyFormat("enum E {};");
 | ||
|   verifyFormat("enum E {}");
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Line break tests.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsAwesomeMethodCall) {
 | ||
|   verifyFormat(
 | ||
|       "SomeLongMethodName(SomeReallyLongMethod(CallOtherReallyLongMethod(\n"
 | ||
|       "                       parameter, parameter, parameter)),\n"
 | ||
|       "                   SecondLongCall(parameter));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, PreventConfusingIndents) {
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    [aaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "         [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]\n"
 | ||
|       "         [aaaaaaaaaaaaaaaaaaaaaaaa]];");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaa<\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaa>;");
 | ||
|   verifyFormat("int a = bbbb && ccc && fffff(\n"
 | ||
|                "#define A Just forcing a new line\n"
 | ||
|                "                           ddd);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LineBreakingInBinaryExpressions) {
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaa =\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaa).aaaaaaaaaaaaaaaaaaa() ||\n"
 | ||
|       "    bbbbbbbb();");
 | ||
|   verifyFormat("bool aaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa != bbbbbbbbbbbbbbbbbb &&\n"
 | ||
|                "    ccccccccc == ddddddddddd;");
 | ||
| 
 | ||
|   verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n"
 | ||
|                "                 aaaaaa) &&\n"
 | ||
|                "         bbbbbb && cccccc;");
 | ||
|   verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n"
 | ||
|                "                 aaaaaa) >>\n"
 | ||
|                "         bbbbbb;");
 | ||
|   verifyFormat("Whitespaces.addUntouchableComment(\n"
 | ||
|                "    SourceMgr.getSpellingColumnNumber(\n"
 | ||
|                "        TheLine.Last->FormatTok.Tok.getLocation()) -\n"
 | ||
|                "    1);");
 | ||
| 
 | ||
|   verifyFormat("if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|                "     bbbbbbbbbbbbbbbbbb) && // aaaaaaaaaaaaaaaa\n"
 | ||
|                "    cccccc) {\n}");
 | ||
| 
 | ||
|   // If the LHS of a comparison is not a binary expression itself, the
 | ||
|   // additional linebreak confuses many people.
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) > 5) {\n"
 | ||
|       "}");
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) == 5) {\n"
 | ||
|       "}");
 | ||
|   // Even explicit parentheses stress the precedence enough to make the
 | ||
|   // additional break unnecessary.
 | ||
|   verifyFormat(
 | ||
|       "if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) == 5) {\n"
 | ||
|       "}");
 | ||
|   // This cases is borderline, but with the indentation it is still readable.
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "        aaaaaaaaaaaaaaa) > aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "                               aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
 | ||
|       "}",
 | ||
|       getLLVMStyleWithColumns(75));
 | ||
| 
 | ||
|   // If the LHS is a binary expression, we should still use the additional break
 | ||
|   // as otherwise the formatting hides the operator precedence.
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
 | ||
|       "    5) {\n"
 | ||
|       "}");
 | ||
| 
 | ||
|   FormatStyle OnePerLine = getLLVMStyle();
 | ||
|   OnePerLine.BinPackParameters = false;
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}",
 | ||
|       OnePerLine);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ExpressionIndentation) {
 | ||
|   verifyFormat("bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "                     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "                     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
 | ||
|                "                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
 | ||
|                "                         bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb +\n"
 | ||
|                "                     bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb &&\n"
 | ||
|                "             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
 | ||
|                "                     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >\n"
 | ||
|                "                 ccccccccccccccccccccccccccccccccccccccccc;");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
 | ||
|                "    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
 | ||
|                "    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "        bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
 | ||
|   verifyFormat("if () {\n"
 | ||
|                "} else if (aaaaa && bbbbb > // break\n"
 | ||
|                "                        ccccc) {\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   // Presence of a trailing comment used to change indentation of b.
 | ||
|   verifyFormat("return aaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "       b;\n"
 | ||
|                "return aaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "       b; //",
 | ||
|                getLLVMStyleWithColumns(30));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ExpressionIndentationBreakingBeforeOperators) {
 | ||
|   // Not sure what the best system is here. Like this, the LHS can be found
 | ||
|   // immediately above an operator (everything with the same or a higher
 | ||
|   // indent). The RHS is aligned right of the operator and so compasses
 | ||
|   // everything until something with the same indent as the operator is found.
 | ||
|   // FIXME: Is this a good system?
 | ||
|   FormatStyle Style = getLLVMStyle();
 | ||
|   Style.BreakBeforeBinaryOperators = true;
 | ||
|   verifyFormat(
 | ||
|       "bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "             + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "             + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "             == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n"
 | ||
|       "                + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n"
 | ||
|       "             && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                > ccccccccccccccccccccccccccccccccccccccccc;",
 | ||
|       Style);
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    == bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}",
 | ||
|                Style);
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "      * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    == bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}",
 | ||
|                Style);
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "       * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "       + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}",
 | ||
|                Style);
 | ||
|   verifyFormat("if () {\n"
 | ||
|                "} else if (aaaaa && bbbbb // break\n"
 | ||
|                "                    > ccccc) {\n"
 | ||
|                "}",
 | ||
|                Style);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConstructorInitializers) {
 | ||
|   verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}");
 | ||
|   verifyFormat("Constructor() : Inttializer(FitsOnTheLine) {}",
 | ||
|                getLLVMStyleWithColumns(45));
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : Inttializer(FitsOnTheLine) {}",
 | ||
|                getLLVMStyleWithColumns(44));
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : Inttializer(FitsOnTheLine) {}",
 | ||
|                getLLVMStyleWithColumns(43));
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "SomeClass::Constructor()\n"
 | ||
|       "    : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "SomeClass::Constructor()\n"
 | ||
|       "    : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
 | ||
|       "      aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}");
 | ||
|   verifyFormat(
 | ||
|       "SomeClass::Constructor()\n"
 | ||
|       "    : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|       "      aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "                               aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaaaaaaaaaaaa() {}");
 | ||
| 
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "          aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   verifyFormat("Constructor(int Parameter = 0)\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaa(aaaaaaaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   // Here a line could be saved by splitting the second initializer onto two
 | ||
|   // lines, but that is not desireable.
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaa(aaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   FormatStyle OnePerLine = getLLVMStyle();
 | ||
|   OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true;
 | ||
|   verifyFormat("SomeClass::Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
 | ||
|                OnePerLine);
 | ||
|   verifyFormat("SomeClass::Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n"
 | ||
|                "      aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
 | ||
|                OnePerLine);
 | ||
|   verifyFormat("MyClass::MyClass(int var)\n"
 | ||
|                "    : some_var_(var),            // 4 space indent\n"
 | ||
|                "      some_other_var_(var + 1) { // lined up\n"
 | ||
|                "}",
 | ||
|                OnePerLine);
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaa(aaaaaa),\n"
 | ||
|                "      aaaaa(aaaaaa),\n"
 | ||
|                "      aaaaa(aaaaaa),\n"
 | ||
|                "      aaaaa(aaaaaa),\n"
 | ||
|                "      aaaaa(aaaaaa) {}",
 | ||
|                OnePerLine);
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaa(aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaa) {}",
 | ||
|                OnePerLine);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MemoizationTests) {
 | ||
|   // This breaks if the memoization lookup does not take \c Indent and
 | ||
|   // \c LastSpace into account.
 | ||
|   verifyFormat(
 | ||
|       "extern CFRunLoopTimerRef\n"
 | ||
|       "CFRunLoopTimerCreate(CFAllocatorRef allocato, CFAbsoluteTime fireDate,\n"
 | ||
|       "                     CFTimeInterval interval, CFOptionFlags flags,\n"
 | ||
|       "                     CFIndex order, CFRunLoopTimerCallBack callout,\n"
 | ||
|       "                     CFRunLoopTimerContext *context) {}");
 | ||
| 
 | ||
|   // Deep nesting somewhat works around our memoization.
 | ||
|   verifyFormat(
 | ||
|       "aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
 | ||
|       "    aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
 | ||
|       "        aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
 | ||
|       "            aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
 | ||
|       "                aaaaa())))))))))))))))))))))))))))))))))))))));",
 | ||
|       getLLVMStyleWithColumns(65));
 | ||
|   verifyFormat(
 | ||
|       "aaaaa(\n"
 | ||
|       "    aaaaa,\n"
 | ||
|       "    aaaaa(\n"
 | ||
|       "        aaaaa,\n"
 | ||
|       "        aaaaa(\n"
 | ||
|       "            aaaaa,\n"
 | ||
|       "            aaaaa(\n"
 | ||
|       "                aaaaa,\n"
 | ||
|       "                aaaaa(\n"
 | ||
|       "                    aaaaa,\n"
 | ||
|       "                    aaaaa(\n"
 | ||
|       "                        aaaaa,\n"
 | ||
|       "                        aaaaa(\n"
 | ||
|       "                            aaaaa,\n"
 | ||
|       "                            aaaaa(\n"
 | ||
|       "                                aaaaa,\n"
 | ||
|       "                                aaaaa(\n"
 | ||
|       "                                    aaaaa,\n"
 | ||
|       "                                    aaaaa(\n"
 | ||
|       "                                        aaaaa,\n"
 | ||
|       "                                        aaaaa(\n"
 | ||
|       "                                            aaaaa,\n"
 | ||
|       "                                            aaaaa(\n"
 | ||
|       "                                                aaaaa,\n"
 | ||
|       "                                                aaaaa))))))))))));",
 | ||
|       getLLVMStyleWithColumns(65));
 | ||
|   verifyFormat(
 | ||
|       "a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(), a), a), a), a),\n"
 | ||
|       "                                  a),\n"
 | ||
|       "                                a),\n"
 | ||
|       "                              a),\n"
 | ||
|       "                            a),\n"
 | ||
|       "                          a),\n"
 | ||
|       "                        a),\n"
 | ||
|       "                      a),\n"
 | ||
|       "                    a),\n"
 | ||
|       "                  a),\n"
 | ||
|       "                a),\n"
 | ||
|       "              a),\n"
 | ||
|       "            a),\n"
 | ||
|       "          a),\n"
 | ||
|       "        a),\n"
 | ||
|       "      a),\n"
 | ||
|       "    a),\n"
 | ||
|       "  a)",
 | ||
|       getLLVMStyleWithColumns(65));
 | ||
| 
 | ||
|   // This test takes VERY long when memoization is broken.
 | ||
|   FormatStyle OnePerLine = getLLVMStyle();
 | ||
|   OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true;
 | ||
|   OnePerLine.BinPackParameters = false;
 | ||
|   std::string input = "Constructor()\n"
 | ||
|                       "    : aaaa(a,\n";
 | ||
|   for (unsigned i = 0, e = 80; i != e; ++i) {
 | ||
|     input += "           a,\n";
 | ||
|   }
 | ||
|   input += "           a) {}";
 | ||
|   verifyFormat(input, OnePerLine);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksAsHighAsPossible) {
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaa) ||\n"
 | ||
|       "      (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb && bbbbbbbbbbbbbbbbbbbbbbbbbb))\n"
 | ||
|       "    f();\n"
 | ||
|       "}");
 | ||
|   verifyFormat("if (Intervals[i].getRange().getFirst() <\n"
 | ||
|                "    Intervals[i - 1].getRange().getLast()) {\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksFunctionDeclarations) {
 | ||
|   // Principially, we break function declarations in a certain order:
 | ||
|   // 1) break amongst arguments.
 | ||
|   verifyFormat("Aaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccc,\n"
 | ||
|                "                              Cccccccccccccc cccccccccccccc);");
 | ||
| 
 | ||
|   // 2) break after return type.
 | ||
|   verifyFormat(
 | ||
|       "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccccccccccccccc);",
 | ||
|       getGoogleStyle());
 | ||
| 
 | ||
|   // 3) break after (.
 | ||
|   verifyFormat(
 | ||
|       "Aaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbb(\n"
 | ||
|       "    Cccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccc);",
 | ||
|       getGoogleStyle());
 | ||
| 
 | ||
|   // 4) break before after nested name specifiers.
 | ||
|   verifyFormat(
 | ||
|       "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    SomeClasssssssssssssssssssssssssssssssssssssss::\n"
 | ||
|       "        bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc);",
 | ||
|       getGoogleStyle());
 | ||
| 
 | ||
|   // However, there are exceptions, if a sufficient amount of lines can be
 | ||
|   // saved.
 | ||
|   // FIXME: The precise cut-offs wrt. the number of saved lines might need some
 | ||
|   // more adjusting.
 | ||
|   verifyFormat("Aaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n"
 | ||
|                "                                  Cccccccccccccc cccccccccc,\n"
 | ||
|                "                                  Cccccccccccccc cccccccccc,\n"
 | ||
|                "                                  Cccccccccccccc cccccccccc,\n"
 | ||
|                "                                  Cccccccccccccc cccccccccc);");
 | ||
|   verifyFormat(
 | ||
|       "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    bbbbbbbbbbb(Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
 | ||
|       "                Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
 | ||
|       "                Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);",
 | ||
|       getGoogleStyle());
 | ||
|   verifyFormat(
 | ||
|       "Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc,\n"
 | ||
|       "                                          Cccccccccccccc cccccccccc);");
 | ||
|   verifyFormat("Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n"
 | ||
|                "    Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
 | ||
|                "    Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
 | ||
|                "    Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
 | ||
|                "    Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);");
 | ||
| 
 | ||
|   // Break after multi-line parameters.
 | ||
|   verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "    bbbb bbbb);");
 | ||
| 
 | ||
|   // Treat overloaded operators like other functions.
 | ||
|   verifyFormat("SomeLoooooooooooooooooooooooooogType\n"
 | ||
|                "operator>(const SomeLoooooooooooooooooooooooooogType &other);");
 | ||
|   verifyGoogleFormat(
 | ||
|       "SomeLoooooooooooooooooooooooooooooogType operator<<(\n"
 | ||
|       "    const SomeLooooooooogType &a, const SomeLooooooooogType &b);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, TrailingReturnType) {
 | ||
|   verifyFormat("auto foo() -> int;\n");
 | ||
|   verifyFormat("struct S {\n"
 | ||
|                "  auto bar() const -> int;\n"
 | ||
|                "};");
 | ||
|   verifyFormat("template <size_t Order, typename T>\n"
 | ||
|                "auto load_img(const std::string &filename)\n"
 | ||
|                "    -> alias::tensor<Order, T, mem::tag::cpu> {}");
 | ||
| 
 | ||
|   // Not trailing return types.
 | ||
|   verifyFormat("void f() { auto a = b->c(); }");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksFunctionDeclarationsWithTrailingTokens) {
 | ||
|   // Avoid breaking before trailing 'const'.
 | ||
|   verifyFormat("void someLongFunction(\n"
 | ||
|                "    int someLongParameter) const {}",
 | ||
|                getLLVMStyleWithColumns(46));
 | ||
|   FormatStyle Style = getGoogleStyle();
 | ||
|   Style.ColumnLimit = 47;
 | ||
|   verifyFormat("void\n"
 | ||
|                "someLongFunction(int someLongParameter) const {\n}",
 | ||
|                getLLVMStyleWithColumns(47));
 | ||
|   verifyFormat("void someLongFunction(\n"
 | ||
|                "    int someLongParameter) const {}",
 | ||
|                Style);
 | ||
|   verifyFormat("LoooooongReturnType\n"
 | ||
|                "someLoooooooongFunction() const {}",
 | ||
|                getLLVMStyleWithColumns(47));
 | ||
|   verifyFormat("LoooooongReturnType someLoooooooongFunction()\n"
 | ||
|                "    const {}",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Avoid breaking before other trailing annotations, if they are not
 | ||
|   // function-like.
 | ||
|   verifyFormat("void SomeFunction(aaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "                  aaaaaaaaaaaaaaaaaaaaaaaaaa) OVERRIDE;");
 | ||
| 
 | ||
|   // Breaking before function-like trailing annotations is fine to keep them
 | ||
|   // close to their arguments.
 | ||
|   verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    LOCKS_EXCLUDED(aaaaaaaaaaaaa);");
 | ||
|   verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n"
 | ||
|                "    LOCKS_EXCLUDED(aaaaaaaaaaaaa);");
 | ||
|   verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n"
 | ||
|                "    LOCKS_EXCLUDED(aaaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "void aaaaaaaaaaaaaaaaaa()\n"
 | ||
|       "    __attribute__((aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaaaaaaaaaaaaaa));");
 | ||
|   verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    __attribute__((unused));");
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    GUARDED_BY(aaaaaaaaaaaa);",
 | ||
|       getGoogleStyle());
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    GUARDED_BY(aaaaaaaaaaaa);",
 | ||
|       getGoogleStyle());
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksDesireably) {
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa)) {\n}");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
 | ||
| 
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaa(aaaaaaaaaaaaa, aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "                            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n"
 | ||
|       "         aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));");
 | ||
| 
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|                "    (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n"
 | ||
|       "                                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n"
 | ||
|       "}");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaa(new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaa(aaa, new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "                aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   // This test case breaks on an incorrect memoization, i.e. an optimization not
 | ||
|   // taking into account the StopAt value.
 | ||
|   verifyFormat(
 | ||
|       "return aaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "       aaaaaaaaaaa(aaaaaaaaa) || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "       aaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "       (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   verifyFormat("{\n  {\n    {\n"
 | ||
|                "      Annotation.SpaceRequiredBefore =\n"
 | ||
|                "          Line.Tokens[i - 1].Tok.isNot(tok::l_paren) &&\n"
 | ||
|                "          Line.Tokens[i - 1].Tok.isNot(tok::l_square);\n"
 | ||
|                "    }\n  }\n}");
 | ||
| 
 | ||
|   // Break on an outer level if there was a break on an inner level.
 | ||
|   EXPECT_EQ("f(g(h(a, // comment\n"
 | ||
|             "      b, c),\n"
 | ||
|             "    d, e),\n"
 | ||
|             "  x, y);",
 | ||
|             format("f(g(h(a, // comment\n"
 | ||
|                    "    b, c), d, e), x, y);"));
 | ||
| 
 | ||
|   // Prefer breaking similar line breaks.
 | ||
|   verifyFormat(
 | ||
|       "const int kTrackingOptions = NSTrackingMouseMoved |\n"
 | ||
|       "                             NSTrackingMouseEnteredAndExited |\n"
 | ||
|       "                             NSTrackingActiveAlways;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) {
 | ||
|   FormatStyle NoBinPacking = getGoogleStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat("f(aaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "  aaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "  aaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaa);",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat("aaaaaaa(aaaaaaaaaaaaa,\n"
 | ||
|                "        aaaaaaaaaaaaa,\n"
 | ||
|                "        aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaa(aaaaaaaaaaaaa,\n"
 | ||
|       "         aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n"
 | ||
|       "         aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));",
 | ||
|       NoBinPacking);
 | ||
|   verifyFormat("aaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    .aaaaaaaaaaaaaaaaaa();",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "    aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaa);",
 | ||
|                NoBinPacking);
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "             aaaaaaaaaaaa,\n"
 | ||
|       "             aaaaaaaaaaaa);",
 | ||
|       NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "somefunction(someotherFunction(ddddddddddddddddddddddddddddddddddd,\n"
 | ||
|       "                               ddddddddddddddddddddddddddddd),\n"
 | ||
|       "             test);",
 | ||
|       NoBinPacking);
 | ||
| 
 | ||
|   verifyFormat("std::vector<aaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaa;",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat("a(\"a\"\n"
 | ||
|                "  \"a\",\n"
 | ||
|                "  a);");
 | ||
| 
 | ||
|   NoBinPacking.AllowAllParametersOfDeclarationOnNextLine = false;
 | ||
|   verifyFormat("void aaaaaaaaaa(aaaaaaaaa,\n"
 | ||
|                "                aaaaaaaaa,\n"
 | ||
|                "                aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
 | ||
|                NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|       "      .aaaaaaa();\n"
 | ||
|       "}",
 | ||
|       NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "template <class SomeType, class SomeOtherType>\n"
 | ||
|       "SomeType SomeFunction(SomeType Type, SomeOtherType OtherType) {}",
 | ||
|       NoBinPacking);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AdaptiveOnePerLineFormatting) {
 | ||
|   FormatStyle Style = getLLVMStyleWithColumns(15);
 | ||
|   Style.ExperimentalAutoDetectBinPacking = true;
 | ||
|   EXPECT_EQ("aaa(aaaa,\n"
 | ||
|             "    aaaa,\n"
 | ||
|             "    aaaa);\n"
 | ||
|             "aaa(aaaa,\n"
 | ||
|             "    aaaa,\n"
 | ||
|             "    aaaa);",
 | ||
|             format("aaa(aaaa,\n" // one-per-line
 | ||
|                    "  aaaa,\n"
 | ||
|                    "    aaaa  );\n"
 | ||
|                    "aaa(aaaa,  aaaa,  aaaa);", // inconclusive
 | ||
|                    Style));
 | ||
|   EXPECT_EQ("aaa(aaaa, aaaa,\n"
 | ||
|             "    aaaa);\n"
 | ||
|             "aaa(aaaa, aaaa,\n"
 | ||
|             "    aaaa);",
 | ||
|             format("aaa(aaaa,  aaaa,\n" // bin-packed
 | ||
|                    "    aaaa  );\n"
 | ||
|                    "aaa(aaaa,  aaaa,  aaaa);", // inconclusive
 | ||
|                    Style));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsBuilderPattern) {
 | ||
|   verifyFormat(
 | ||
|       "return llvm::StringSwitch<Reference::Kind>(name)\n"
 | ||
|       "    .StartsWith(\".eh_frame_hdr\", ORDER_EH_FRAMEHDR)\n"
 | ||
|       "    .StartsWith(\".eh_frame\", ORDER_EH_FRAME).StartsWith(\".init\", ORDER_INIT)\n"
 | ||
|       "    .StartsWith(\".fini\", ORDER_FINI).StartsWith(\".hash\", ORDER_HASH)\n"
 | ||
|       "    .Default(ORDER_TEXT);\n");
 | ||
| 
 | ||
|   verifyFormat("return aaaaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa() <\n"
 | ||
|                "       aaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa();");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaa->aaaaaaa->aaaaaaaaaaaaaaaa(\n"
 | ||
|       "                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|       "    ->aaaaaaaa(aaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaa()->aaaaaa(bbbbb)->aaaaaaaaaaaaaaaaaaa( // break\n"
 | ||
|       "    aaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaa *aaaaaaaaa = aaaaaa->aaaaaaaaaaaa()\n"
 | ||
|       "    ->aaaaaaaaaaaaaaaa(\n"
 | ||
|       "          aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|       "    ->aaaaaaaaaaaaaaaaa();");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) {
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "    bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {\n}");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n"
 | ||
|                "    ccccccccccccccccccccccccc) {\n}");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n"
 | ||
|                "    ccccccccccccccccccccccccc) {\n}");
 | ||
|   verifyFormat(
 | ||
|       "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n"
 | ||
|       "    ccccccccccccccccccccccccc) {\n}");
 | ||
|   verifyFormat("return aaaa & AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ||\n"
 | ||
|                "       bbbb & BBBBBBBBBBBBBBBBBBBBBBBBBBBBB ||\n"
 | ||
|                "       cccc & CCCCCCCCCCCCCCCCCCCCCCCCCC ||\n"
 | ||
|                "       dddd & DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;");
 | ||
|   verifyFormat("if ((aaaaaaaaaa != aaaaaaaaaaaaaaa ||\n"
 | ||
|                "     aaaaaaaaaaaaaaaaaaaaaaaa() >= aaaaaaaaaaaaaaaaaaaa) &&\n"
 | ||
|                "    aaaaaaaaaaaaaaa != aa) {\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksAfterAssignments) {
 | ||
|   verifyFormat(
 | ||
|       "unsigned Cost =\n"
 | ||
|       "    TTI.getMemoryOpCost(I->getOpcode(), VectorTy, SI->getAlignment(),\n"
 | ||
|       "                        SI->getPointerAddressSpaceee());\n");
 | ||
|   verifyFormat(
 | ||
|       "CharSourceRange LineRange = CharSourceRange::getTokenRange(\n"
 | ||
|       "    Line.Tokens.front().Tok.getLo(), Line.Tokens.back().Tok.getLoc());");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaa aaaa = aaaaaaaaaaaaaa(0)\n"
 | ||
|       "    .aaaa().aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("unsigned OriginalStartColumn =\n"
 | ||
|                "    SourceMgr.getSpellingColumnNumber(\n"
 | ||
|                "        Current.FormatTok.getStartOfNonWhitespace()) -\n"
 | ||
|                "    1;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlignsAfterAssignments) {
 | ||
|   verifyFormat(
 | ||
|       "int Result = aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "             aaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "Result += aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "          aaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "Result >>= aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "           aaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "int Result = (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "              aaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "double LooooooooooooooooooooooooongResult = aaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "                                            aaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "                                            aaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlignsAfterReturn) {
 | ||
|   verifyFormat(
 | ||
|       "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "       aaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "return aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n"
 | ||
|       "       aaaaaaaaaaaaaaaaaaaaaa();");
 | ||
|   verifyFormat(
 | ||
|       "return (aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaa());");
 | ||
|   verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "           aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) &&\n"
 | ||
|                "       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksConditionalExpressions) {
 | ||
|   verifyFormat(
 | ||
|       "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                               ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                               : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                                   : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa)\n"
 | ||
|       "                                                    : aaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                                    : aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaaaaa ?: aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaa);");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "          aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "          aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "           ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "           : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|                "       aaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "           ?: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "                  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
 | ||
|                "       aaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    ? aaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaa =\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        : aaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    ? aaaaaaaaaaaaaaa\n"
 | ||
|       "    : aaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat("f(aaaaaaaaaaaaaaaa == // force break\n"
 | ||
|                "          aaaaaaaaa\n"
 | ||
|                "      ? b\n"
 | ||
|                "      : c);");
 | ||
|   verifyFormat(
 | ||
|       "unsigned Indent =\n"
 | ||
|       "    format(TheLine.First, IndentForLevel[TheLine.Level] >= 0\n"
 | ||
|       "                              ? IndentForLevel[TheLine.Level]\n"
 | ||
|       "                              : TheLine * 2,\n"
 | ||
|       "           TheLine.InPPDirective, PreviousEndOfLineColumn);",
 | ||
|       getLLVMStyleWithColumns(70));
 | ||
|   verifyFormat("bool aaaaaa = aaaaaaaaaaaaa //\n"
 | ||
|                "                  ? aaaaaaaaaaaaaaa\n"
 | ||
|                "                  : bbbbbbbbbbbbbbb //\n"
 | ||
|                "                        ? ccccccccccccccc\n"
 | ||
|                "                        : ddddddddddddddd;");
 | ||
|   verifyFormat("bool aaaaaa = aaaaaaaaaaaaa //\n"
 | ||
|                "                  ? aaaaaaaaaaaaaaa\n"
 | ||
|                "                  : (bbbbbbbbbbbbbbb //\n"
 | ||
|                "                         ? ccccccccccccccc\n"
 | ||
|                "                         : ddddddddddddddd);");
 | ||
| 
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  g(aaa,\n"
 | ||
|       "    aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "        ? aaaaaaaaaaaaaaa\n"
 | ||
|       "        : aaaaaaaaaaaaaaa);\n"
 | ||
|       "}",
 | ||
|       NoBinPacking);
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  g(aaa,\n"
 | ||
|       "    aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "        ?: aaaaaaaaaaaaaaa);\n"
 | ||
|       "}",
 | ||
|       NoBinPacking);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DeclarationsOfMultipleVariables) {
 | ||
|   verifyFormat("bool aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(),\n"
 | ||
|                "     aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa();");
 | ||
|   verifyFormat("bool a = true, b = false;");
 | ||
| 
 | ||
|   verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|                "         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa),\n"
 | ||
|                "     bbbbbbbbbbbbbbbbbbbbbbbbb =\n"
 | ||
|                "         bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(bbbbbbbbbbbbbbbb);");
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|       "         bbbbbbbbbbbbbbbbbbbbbbbbbbbb && cccccccccccccccccccccccccccc,\n"
 | ||
|       "     d = e && f;");
 | ||
|   verifyFormat("aaaaaaaaa a = aaaaaaaaaaaaaaaaaaaa, b = bbbbbbbbbbbbbbbbbbbb,\n"
 | ||
|                "          c = cccccccccccccccccccc, d = dddddddddddddddddddd;");
 | ||
|   verifyFormat("aaaaaaaaa *a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n"
 | ||
|                "          *c = ccccccccccccccccccc, *d = ddddddddddddddddddd;");
 | ||
|   verifyFormat("aaaaaaaaa ***a = aaaaaaaaaaaaaaaaaaa, ***b = bbbbbbbbbbbbbbb,\n"
 | ||
|                "          ***c = ccccccccccccccccccc, ***d = ddddddddddddddd;");
 | ||
|   // FIXME: If multiple variables are defined, the "*" needs to move to the new
 | ||
|   // line. Also fix indent for breaking after the type, this looks bad.
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "    *b = bbbbbbbbbbbbbbbbbbb;",
 | ||
|                getGoogleStyle());
 | ||
| 
 | ||
|   // Not ideal, but pointer-with-type does not allow much here.
 | ||
|   verifyGoogleFormat(
 | ||
|       "aaaaaaaaa* a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n"
 | ||
|       "           *b = bbbbbbbbbbbbbbbbbbb, *d = ddddddddddddddddddd;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConditionalExpressionsInBrackets) {
 | ||
|   verifyFormat("arr[foo ? bar : baz];");
 | ||
|   verifyFormat("f()[foo ? bar : baz];");
 | ||
|   verifyFormat("(a + b)[foo ? bar : baz];");
 | ||
|   verifyFormat("arr[foo ? (4 > 5 ? 4 : 5) : 5 < 5 ? 5 : 7];");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlignsStringLiterals) {
 | ||
|   verifyFormat("loooooooooooooooooooooooooongFunction(\"short literal \"\n"
 | ||
|                "                                      \"short literal\");");
 | ||
|   verifyFormat(
 | ||
|       "looooooooooooooooooooooooongFunction(\n"
 | ||
|       "    \"short literal\"\n"
 | ||
|       "    \"looooooooooooooooooooooooooooooooooooooooooooooooong literal\");");
 | ||
|   verifyFormat("someFunction(\"Always break between multi-line\"\n"
 | ||
|                "             \" string literals\",\n"
 | ||
|                "             and, other, parameters);");
 | ||
|   EXPECT_EQ("fun + \"1243\" /* comment */\n"
 | ||
|             "      \"5678\";",
 | ||
|             format("fun + \"1243\" /* comment */\n"
 | ||
|                    "      \"5678\";",
 | ||
|                    getLLVMStyleWithColumns(28)));
 | ||
|   EXPECT_EQ(
 | ||
|       "aaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n"
 | ||
|       "         \"aaaaaaaaaaaaaaaaaaaaa\"\n"
 | ||
|       "         \"aaaaaaaaaaaaaaaa\";",
 | ||
|       format("aaaaaa ="
 | ||
|              "\"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa "
 | ||
|              "aaaaaaaaaaaaaaaaaaaaa\" "
 | ||
|              "\"aaaaaaaaaaaaaaaa\";"));
 | ||
|   verifyFormat("a = a + \"a\"\n"
 | ||
|                "        \"a\"\n"
 | ||
|                "        \"a\";");
 | ||
|   verifyFormat("f(\"a\", \"b\"\n"
 | ||
|                "       \"c\");");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "#define LL_FORMAT \"ll\"\n"
 | ||
|       "printf(\"aaaaa: %d, bbbbbb: %\" LL_FORMAT \"d, cccccccc: %\" LL_FORMAT\n"
 | ||
|       "       \"d, ddddddddd: %\" LL_FORMAT \"d\");");
 | ||
| 
 | ||
|   verifyFormat("#define A(X)          \\\n"
 | ||
|                "  \"aaaaa\" #X \"bbbbbb\" \\\n"
 | ||
|                "  \"ccccc\"",
 | ||
|                getLLVMStyleWithColumns(23));
 | ||
|   verifyFormat("#define A \"def\"\n"
 | ||
|                "f(\"abc\" A \"ghi\"\n"
 | ||
|                "  \"jkl\");");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlwaysBreakBeforeMultilineStrings) {
 | ||
|   FormatStyle NoBreak = getLLVMStyle();
 | ||
|   NoBreak.AlwaysBreakBeforeMultilineStrings = false;
 | ||
|   FormatStyle Break = getLLVMStyle();
 | ||
|   Break.AlwaysBreakBeforeMultilineStrings = true;
 | ||
|   verifyFormat("aaaa = \"bbbb\"\n"
 | ||
|                "       \"cccc\";",
 | ||
|                NoBreak);
 | ||
|   verifyFormat("aaaa =\n"
 | ||
|                "    \"bbbb\"\n"
 | ||
|                "    \"cccc\";",
 | ||
|                Break);
 | ||
|   verifyFormat("aaaa(\"bbbb\"\n"
 | ||
|                "     \"cccc\");",
 | ||
|                NoBreak);
 | ||
|   verifyFormat("aaaa(\n"
 | ||
|                "    \"bbbb\"\n"
 | ||
|                "    \"cccc\");",
 | ||
|                Break);
 | ||
|   verifyFormat("aaaa(qqq, \"bbbb\"\n"
 | ||
|                "          \"cccc\");",
 | ||
|                NoBreak);
 | ||
|   verifyFormat("aaaa(qqq,\n"
 | ||
|                "     \"bbbb\"\n"
 | ||
|                "     \"cccc\");",
 | ||
|                Break);
 | ||
| 
 | ||
|   // Don't break if there is no column gain.
 | ||
|   verifyFormat("f(\"aaaa\"\n"
 | ||
|                "  \"bbbb\");",
 | ||
|                Break);
 | ||
| 
 | ||
|   // Treat literals with escaped newlines like multi-line string literals.
 | ||
|   EXPECT_EQ("x = \"a\\\n"
 | ||
|             "b\\\n"
 | ||
|             "c\";",
 | ||
|             format("x = \"a\\\n"
 | ||
|                    "b\\\n"
 | ||
|                    "c\";",
 | ||
|                    NoBreak));
 | ||
|   EXPECT_EQ("x =\n"
 | ||
|             "    \"a\\\n"
 | ||
|             "b\\\n"
 | ||
|             "c\";",
 | ||
|             format("x = \"a\\\n"
 | ||
|                    "b\\\n"
 | ||
|                    "c\";",
 | ||
|                    Break));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AlignsPipes) {
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                     << aaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                                 << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n"
 | ||
|       "                \"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"\n"
 | ||
|       "             << \"ccccccccccccccccccccccccccccccccccccccccccccccccc\";");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaa << (aaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                                 << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|       "         << aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
| 
 | ||
|   verifyFormat("return out << \"somepacket = {\\n\"\n"
 | ||
|                "           << \"  aaaaaa = \" << pkt.aaaaaa << \"\\n\"\n"
 | ||
|                "           << \"  bbbb = \" << pkt.bbbb << \"\\n\"\n"
 | ||
|                "           << \"  cccccc = \" << pkt.cccccc << \"\\n\"\n"
 | ||
|                "           << \"  ddd = [\" << pkt.ddd << \"]\\n\"\n"
 | ||
|                "           << \"}\";");
 | ||
| 
 | ||
|   verifyFormat("llvm::outs() << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa\n"
 | ||
|                "             << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa\n"
 | ||
|                "             << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "llvm::outs() << \"aaaaaaaaaaaaaaaaa = \" << aaaaaaaaaaaaaaaaa\n"
 | ||
|       "             << \"bbbbbbbbbbbbbbbbb = \" << bbbbbbbbbbbbbbbbb\n"
 | ||
|       "             << \"ccccccccccccccccc = \" << ccccccccccccccccc\n"
 | ||
|       "             << \"ddddddddddddddddd = \" << ddddddddddddddddd\n"
 | ||
|       "             << \"eeeeeeeeeeeeeeeee = \" << eeeeeeeeeeeeeeeee;");
 | ||
|   verifyFormat("llvm::outs() << aaaaaaaaaaaaaaaaaaaaaaaa << \"=\"\n"
 | ||
|                "             << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;");
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  llvm::outs() << \"aaaaaaaaaaaaaaaaaaaa: \"\n"
 | ||
|       "               << aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n"
 | ||
|       "}");
 | ||
| 
 | ||
|   // Breaking before the first "<<" is generally not desirable.
 | ||
|   verifyFormat(
 | ||
|       "llvm::errs()\n"
 | ||
|       "    << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
 | ||
|       getLLVMStyleWithColumns(70));
 | ||
|   verifyFormat("llvm::errs() << \"aaaaaaaaaaaaaaaaaaa: \"\n"
 | ||
|                "             << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "             << \"aaaaaaaaaaaaaaaaaaa: \"\n"
 | ||
|                "             << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "             << \"aaaaaaaaaaaaaaaaaaa: \"\n"
 | ||
|                "             << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
 | ||
|                getLLVMStyleWithColumns(70));
 | ||
| 
 | ||
|   // But sometimes, breaking before the first "<<" is necessary.
 | ||
|   verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbb)\n"
 | ||
|                "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "                    .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsEquals) {
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaa =\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   verifyFormat(
 | ||
|       "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
 | ||
|   verifyFormat(
 | ||
|       "if (a) {\n"
 | ||
|       "  f();\n"
 | ||
|       "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|       "               aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
 | ||
|       "}");
 | ||
| 
 | ||
|   verifyFormat("if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|                "        100000000 + 10000000) {\n}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, WrapsAtFunctionCallsIfNecessary) {
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n"
 | ||
|                "    .looooooooooooooooooooooooooooooooooooooongFunction();");
 | ||
| 
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n"
 | ||
|                "    ->looooooooooooooooooooooooooooooooooooooongFunction();");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "LooooooooooooooooooooooooooooooooongObject->shortFunction(Parameter1,\n"
 | ||
|       "                                                          Parameter2);");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "ShortObject->shortFunction(\n"
 | ||
|       "    LooooooooooooooooooooooooooooooooooooooooooooooongParameter1,\n"
 | ||
|       "    LooooooooooooooooooooooooooooooooooooooooooooooongParameter2);");
 | ||
| 
 | ||
|   verifyFormat("loooooooooooooongFunction(\n"
 | ||
|                "    LoooooooooooooongObject->looooooooooooooooongFunction());");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "function(LoooooooooooooooooooooooooooooooooooongObject\n"
 | ||
|       "             ->loooooooooooooooooooooooooooooooooooooooongFunction());");
 | ||
| 
 | ||
|   verifyFormat("EXPECT_CALL(SomeObject, SomeFunction(Parameter))\n"
 | ||
|                "    .WillRepeatedly(Return(SomeValue));");
 | ||
|   verifyFormat("SomeMap[std::pair(aaaaaaaaaaaa, bbbbbbbbbbbbbbb)]\n"
 | ||
|                "    .insert(ccccccccccccccccccccccc);");
 | ||
|   verifyFormat("aaaaa(aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "            aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa).aaaaa(aaaaa),\n"
 | ||
|                "      aaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|       "    .aaaaaaaaaaaaaaa(aa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                        aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                        aaaaaaaaaaaaaaaaaaaaaaaaaaa));");
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()) {\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   // Here, it is not necessary to wrap at "." or "->".
 | ||
|   verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n"
 | ||
|                "    aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaa->aaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());");
 | ||
|   verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() *\n"
 | ||
|                "                         aaaaaaaaa()->aaaaaa()->aaaaa());");
 | ||
|   verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() ||\n"
 | ||
|                "                         aaaaaaaaa()->aaaaaa()->aaaaa());");
 | ||
| 
 | ||
|   // FIXME: Should we break before .a()?
 | ||
|   verifyFormat("aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa).a();");
 | ||
| 
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    .aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    .aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "                         aaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "                         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
 | ||
|                NoBinPacking);
 | ||
| 
 | ||
|   // If there is a subsequent call, change to hanging indentation.
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "                         aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa))\n"
 | ||
|       "    .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa));");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, WrapsTemplateDeclarations) {
 | ||
|   verifyFormat("template <typename T>\n"
 | ||
|                "virtual void loooooooooooongFunction(int Param1, int Param2);");
 | ||
|   verifyFormat(
 | ||
|       "template <typename T>\n"
 | ||
|       "using comment_to_xml_conversion = comment_to_xml_conversion<T, int>;");
 | ||
|   verifyFormat("template <typename T>\n"
 | ||
|                "void f(int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram1,\n"
 | ||
|                "       int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram2);");
 | ||
|   verifyFormat(
 | ||
|       "template <typename T>\n"
 | ||
|       "void looooooooooooooooooooongFunction(int Paaaaaaaaaaaaaaaaaaaaram1,\n"
 | ||
|       "                                      int Paaaaaaaaaaaaaaaaaaaaram2);");
 | ||
|   verifyFormat(
 | ||
|       "template <typename T>\n"
 | ||
|       "aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                    aaaaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaa,\n"
 | ||
|       "                    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat("template <typename T>\n"
 | ||
|                "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|                "    int aaaaaaaaaaaaaaaaaaaaaa);");
 | ||
|   verifyFormat(
 | ||
|       "template <typename T1, typename T2 = char, typename T3 = char,\n"
 | ||
|       "          typename T4 = char>\n"
 | ||
|       "void f();");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   verifyFormat("a<aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaa>(\n"
 | ||
|                "    a(aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));");
 | ||
| 
 | ||
|   verifyFormat("template <typename T> class C {};");
 | ||
|   verifyFormat("template <typename T> void f();");
 | ||
|   verifyFormat("template <typename T> void f() {}");
 | ||
| 
 | ||
|   FormatStyle AlwaysBreak = getLLVMStyle();
 | ||
|   AlwaysBreak.AlwaysBreakTemplateDeclarations = true;
 | ||
|   verifyFormat("template <typename T>\nclass C {};", AlwaysBreak);
 | ||
|   verifyFormat("template <typename T>\nvoid f();", AlwaysBreak);
 | ||
|   verifyFormat("template <typename T>\nvoid f() {}", AlwaysBreak);
 | ||
|   verifyFormat("void aaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                "                         bbbbbbbbbbbbbbbbbbbbbbbbbbbb>(\n"
 | ||
|                "    ccccccccccccccccccccccccccccccccccccccccccccccc);");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaa<aaaaaaaaaa, aaaaaaaaaaa,\n"
 | ||
|       "              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> *aaaa =\n"
 | ||
|       "    new aaaaaaaaaaaaa<aaaaaaaaaa, aaaaaaaaaaa,\n"
 | ||
|       "                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>(\n"
 | ||
|       "        bbbbbbbbbbbbbbbbbbbbbbbb);",
 | ||
|       getLLVMStyleWithColumns(72));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) {
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());");
 | ||
| 
 | ||
|   // FIXME: Should we have the extra indent after the second break?
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|       "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb::\n"
 | ||
|       "                    cccccccccccccccccccccccccccccccccccccccccccccc());");
 | ||
| 
 | ||
|   // Breaking at nested name specifiers is generally not desirable.
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaa(aaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|       "                                 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "                   aaaaaaaaaaaaaaaaaaaaa);",
 | ||
|       getLLVMStyleWithColumns(74));
 | ||
| 
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
 | ||
|                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "        .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsTemplateParameters) {
 | ||
|   verifyFormat("A<int> a;");
 | ||
|   verifyFormat("A<A<A<int> > > a;");
 | ||
|   verifyFormat("A<A<A<int, 2>, 3>, 4> a;");
 | ||
|   verifyFormat("bool x = a < 1 || 2 > a;");
 | ||
|   verifyFormat("bool x = 5 < f<int>();");
 | ||
|   verifyFormat("bool x = f<int>() > 5;");
 | ||
|   verifyFormat("bool x = 5 < a<int>::x;");
 | ||
|   verifyFormat("bool x = a < 4 ? a > 2 : false;");
 | ||
|   verifyFormat("bool x = f() ? a < 2 : a > 2;");
 | ||
| 
 | ||
|   verifyGoogleFormat("A<A<int>> a;");
 | ||
|   verifyGoogleFormat("A<A<A<int>>> a;");
 | ||
|   verifyGoogleFormat("A<A<A<A<int>>>> a;");
 | ||
|   verifyGoogleFormat("A<A<int> > a;");
 | ||
|   verifyGoogleFormat("A<A<A<int> > > a;");
 | ||
|   verifyGoogleFormat("A<A<A<A<int> > > > a;");
 | ||
|   EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A> >> a;", getGoogleStyle()));
 | ||
|   EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A>> > a;", getGoogleStyle()));
 | ||
| 
 | ||
|   verifyFormat("test >> a >> b;");
 | ||
|   verifyFormat("test << a >> b;");
 | ||
| 
 | ||
|   verifyFormat("f<int>();");
 | ||
|   verifyFormat("template <typename T> void f() {}");
 | ||
| 
 | ||
|   // Not template parameters.
 | ||
|   verifyFormat("return a < b && c > d;");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  while (a < b && c > d) {\n"
 | ||
|                "  }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("template <typename... Types>\n"
 | ||
|                "typename enable_if<0 < sizeof...(Types)>::type Foo() {}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsBinaryOperators) {
 | ||
|   verifyFormat("COMPARE(a, ==, b);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsPointersToMembers) {
 | ||
|   verifyFormat("int A::*x;");
 | ||
|   verifyFormat("int (S::*func)(void *);");
 | ||
|   verifyFormat("void f() { int (S::*func)(void *); }");
 | ||
|   verifyFormat("typedef bool *(Class::*Member)() const;");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  (a->*f)();\n"
 | ||
|                "  a->*x;\n"
 | ||
|                "  (a.*f)();\n"
 | ||
|                "  ((*a).*f)();\n"
 | ||
|                "  a.*x;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  (a->*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)(\n"
 | ||
|                "      aaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);\n"
 | ||
|                "}");
 | ||
|   FormatStyle Style = getLLVMStyle();
 | ||
|   Style.PointerBindsToType = true;
 | ||
|   verifyFormat("typedef bool* (Class::*Member)() const;", Style);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsUnaryOperators) {
 | ||
|   verifyFormat("int a = -2;");
 | ||
|   verifyFormat("f(-1, -2, -3);");
 | ||
|   verifyFormat("a[-1] = 5;");
 | ||
|   verifyFormat("int a = 5 + -2;");
 | ||
|   verifyFormat("if (i == -1) {\n}");
 | ||
|   verifyFormat("if (i != -1) {\n}");
 | ||
|   verifyFormat("if (i > -1) {\n}");
 | ||
|   verifyFormat("if (i < -1) {\n}");
 | ||
|   verifyFormat("++(a->f());");
 | ||
|   verifyFormat("--(a->f());");
 | ||
|   verifyFormat("(a->f())++;");
 | ||
|   verifyFormat("a[42]++;");
 | ||
|   verifyFormat("if (!(a->f())) {\n}");
 | ||
| 
 | ||
|   verifyFormat("a-- > b;");
 | ||
|   verifyFormat("b ? -a : c;");
 | ||
|   verifyFormat("n * sizeof char16;");
 | ||
|   verifyFormat("n * alignof char16;", getGoogleStyle());
 | ||
|   verifyFormat("sizeof(char);");
 | ||
|   verifyFormat("alignof(char);", getGoogleStyle());
 | ||
| 
 | ||
|   verifyFormat("return -1;");
 | ||
|   verifyFormat("switch (a) {\n"
 | ||
|                "case -1:\n"
 | ||
|                "  break;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("#define X -1");
 | ||
|   verifyFormat("#define X -kConstant");
 | ||
| 
 | ||
|   verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { -5, +3 };");
 | ||
|   verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { +5, -3 };");
 | ||
| 
 | ||
|   verifyFormat("int a = /* confusing comment */ -1;");
 | ||
|   // FIXME: The space after 'i' is wrong, but hopefully, this is a rare case.
 | ||
|   verifyFormat("int a = i /* confusing comment */++;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UndestandsOverloadedOperators) {
 | ||
|   verifyFormat("bool operator<();");
 | ||
|   verifyFormat("bool operator>();");
 | ||
|   verifyFormat("bool operator=();");
 | ||
|   verifyFormat("bool operator==();");
 | ||
|   verifyFormat("bool operator!=();");
 | ||
|   verifyFormat("int operator+();");
 | ||
|   verifyFormat("int operator++();");
 | ||
|   verifyFormat("bool operator();");
 | ||
|   verifyFormat("bool operator()();");
 | ||
|   verifyFormat("bool operator[]();");
 | ||
|   verifyFormat("operator bool();");
 | ||
|   verifyFormat("operator int();");
 | ||
|   verifyFormat("operator void *();");
 | ||
|   verifyFormat("operator SomeType<int>();");
 | ||
|   verifyFormat("operator SomeType<int, int>();");
 | ||
|   verifyFormat("operator SomeType<SomeType<int> >();");
 | ||
|   verifyFormat("void *operator new(std::size_t size);");
 | ||
|   verifyFormat("void *operator new[](std::size_t size);");
 | ||
|   verifyFormat("void operator delete(void *ptr);");
 | ||
|   verifyFormat("void operator delete[](void *ptr);");
 | ||
|   verifyFormat("template <typename AAAAAAA, typename BBBBBBB>\n"
 | ||
|                "AAAAAAA operator/(const AAAAAAA &a, BBBBBBB &b);");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "ostream &operator<<(ostream &OutputStream,\n"
 | ||
|       "                    SomeReallyLongType WithSomeReallyLongValue);");
 | ||
|   verifyFormat("bool operator<(const aaaaaaaaaaaaaaaaaaaaa &left,\n"
 | ||
|                "               const aaaaaaaaaaaaaaaaaaaaa &right) {\n"
 | ||
|                "  return left.group < right.group;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("SomeType &operator=(const SomeType &S);");
 | ||
| 
 | ||
|   verifyGoogleFormat("operator void*();");
 | ||
|   verifyGoogleFormat("operator SomeType<SomeType<int>>();");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsNewAndDelete) {
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  A *a = new A;\n"
 | ||
|                "  A *a = new (placement) A;\n"
 | ||
|                "  delete a;\n"
 | ||
|                "  delete (A *)a;\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
 | ||
|   verifyFormat("int *f(int *a) {}");
 | ||
|   verifyFormat("int main(int argc, char **argv) {}");
 | ||
|   verifyFormat("Test::Test(int b) : a(b * b) {}");
 | ||
|   verifyIndependentOfContext("f(a, *a);");
 | ||
|   verifyFormat("void g() { f(*a); }");
 | ||
|   verifyIndependentOfContext("int a = b * 10;");
 | ||
|   verifyIndependentOfContext("int a = 10 * b;");
 | ||
|   verifyIndependentOfContext("int a = b * c;");
 | ||
|   verifyIndependentOfContext("int a += b * c;");
 | ||
|   verifyIndependentOfContext("int a -= b * c;");
 | ||
|   verifyIndependentOfContext("int a *= b * c;");
 | ||
|   verifyIndependentOfContext("int a /= b * c;");
 | ||
|   verifyIndependentOfContext("int a = *b;");
 | ||
|   verifyIndependentOfContext("int a = *b * c;");
 | ||
|   verifyIndependentOfContext("int a = b * *c;");
 | ||
|   verifyIndependentOfContext("return 10 * b;");
 | ||
|   verifyIndependentOfContext("return *b * *c;");
 | ||
|   verifyIndependentOfContext("return a & ~b;");
 | ||
|   verifyIndependentOfContext("f(b ? *c : *d);");
 | ||
|   verifyIndependentOfContext("int a = b ? *c : *d;");
 | ||
|   verifyIndependentOfContext("*b = a;");
 | ||
|   verifyIndependentOfContext("a * ~b;");
 | ||
|   verifyIndependentOfContext("a * !b;");
 | ||
|   verifyIndependentOfContext("a * +b;");
 | ||
|   verifyIndependentOfContext("a * -b;");
 | ||
|   verifyIndependentOfContext("a * ++b;");
 | ||
|   verifyIndependentOfContext("a * --b;");
 | ||
|   verifyIndependentOfContext("a[4] * b;");
 | ||
|   verifyIndependentOfContext("a[a * a] = 1;");
 | ||
|   verifyIndependentOfContext("f() * b;");
 | ||
|   verifyIndependentOfContext("a * [self dostuff];");
 | ||
|   verifyIndependentOfContext("int x = a * (a + b);");
 | ||
|   verifyIndependentOfContext("(a *)(a + b);");
 | ||
|   verifyIndependentOfContext("int *pa = (int *)&a;");
 | ||
|   verifyIndependentOfContext("return sizeof(int **);");
 | ||
|   verifyIndependentOfContext("return sizeof(int ******);");
 | ||
|   verifyIndependentOfContext("return (int **&)a;");
 | ||
|   verifyIndependentOfContext("f((*PointerToArray)[10]);");
 | ||
|   verifyFormat("void f(Type (*parameter)[10]) {}");
 | ||
|   verifyGoogleFormat("return sizeof(int**);");
 | ||
|   verifyIndependentOfContext("Type **A = static_cast<Type **>(P);");
 | ||
|   verifyGoogleFormat("Type** A = static_cast<Type**>(P);");
 | ||
|   verifyFormat("auto a = [](int **&, int ***) {};");
 | ||
| 
 | ||
|   verifyIndependentOfContext("InvalidRegions[*R] = 0;");
 | ||
| 
 | ||
|   verifyIndependentOfContext("A<int *> a;");
 | ||
|   verifyIndependentOfContext("A<int **> a;");
 | ||
|   verifyIndependentOfContext("A<int *, int *> a;");
 | ||
|   verifyIndependentOfContext(
 | ||
|       "const char *const p = reinterpret_cast<const char *const>(q);");
 | ||
|   verifyIndependentOfContext("A<int **, int **> a;");
 | ||
|   verifyIndependentOfContext("void f(int *a = d * e, int *b = c * d);");
 | ||
|   verifyFormat("for (char **a = b; *a; ++a) {\n}");
 | ||
|   verifyFormat("for (; a && b;) {\n}");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| 
 | ||
|   verifyGoogleFormat("int main(int argc, char** argv) {}");
 | ||
|   verifyGoogleFormat("A<int*> a;");
 | ||
|   verifyGoogleFormat("A<int**> a;");
 | ||
|   verifyGoogleFormat("A<int*, int*> a;");
 | ||
|   verifyGoogleFormat("A<int**, int**> a;");
 | ||
|   verifyGoogleFormat("f(b ? *c : *d);");
 | ||
|   verifyGoogleFormat("int a = b ? *c : *d;");
 | ||
|   verifyGoogleFormat("Type* t = **x;");
 | ||
|   verifyGoogleFormat("Type* t = *++*x;");
 | ||
|   verifyGoogleFormat("*++*x;");
 | ||
|   verifyGoogleFormat("Type* t = const_cast<T*>(&*x);");
 | ||
|   verifyGoogleFormat("Type* t = x++ * y;");
 | ||
|   verifyGoogleFormat(
 | ||
|       "const char* const p = reinterpret_cast<const char* const>(q);");
 | ||
| 
 | ||
|   verifyIndependentOfContext("a = *(x + y);");
 | ||
|   verifyIndependentOfContext("a = &(x + y);");
 | ||
|   verifyIndependentOfContext("*(x + y).call();");
 | ||
|   verifyIndependentOfContext("&(x + y)->call();");
 | ||
|   verifyFormat("void f() { &(*I).first; }");
 | ||
| 
 | ||
|   verifyIndependentOfContext("f(b * /* confusing comment */ ++c);");
 | ||
|   verifyFormat(
 | ||
|       "int *MyValues = {\n"
 | ||
|       "  *A, // Operator detection might be confused by the '{'\n"
 | ||
|       "  *BB // Operator detection might be confused by previous comment\n"
 | ||
|       "};");
 | ||
| 
 | ||
|   verifyIndependentOfContext("if (int *a = &b)");
 | ||
|   verifyIndependentOfContext("if (int &a = *b)");
 | ||
|   verifyIndependentOfContext("if (a & b[i])");
 | ||
|   verifyIndependentOfContext("if (a::b::c::d & b[i])");
 | ||
|   verifyIndependentOfContext("if (*b[i])");
 | ||
|   verifyIndependentOfContext("if (int *a = (&b))");
 | ||
|   verifyIndependentOfContext("while (int *a = &b)");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  for (const int &v : Values) {\n"
 | ||
|                "  }\n"
 | ||
|                "}");
 | ||
|   verifyFormat("for (int i = a * a; i < 10; ++i) {\n}");
 | ||
|   verifyFormat("for (int i = 0; i < a * a; ++i) {\n}");
 | ||
| 
 | ||
|   verifyFormat("#define MACRO     \\\n"
 | ||
|                "  int *i = a * b; \\\n"
 | ||
|                "  void f(a *b);",
 | ||
|                getLLVMStyleWithColumns(19));
 | ||
| 
 | ||
|   verifyIndependentOfContext("A = new SomeType *[Length];");
 | ||
|   verifyIndependentOfContext("A = new SomeType *[Length]();");
 | ||
|   verifyIndependentOfContext("T **t = new T *;");
 | ||
|   verifyIndependentOfContext("T **t = new T *();");
 | ||
|   verifyGoogleFormat("A = new SomeType* [Length]();");
 | ||
|   verifyGoogleFormat("A = new SomeType* [Length];");
 | ||
|   verifyGoogleFormat("T** t = new T*;");
 | ||
|   verifyGoogleFormat("T** t = new T*();");
 | ||
| 
 | ||
|   FormatStyle PointerLeft = getLLVMStyle();
 | ||
|   PointerLeft.PointerBindsToType = true;
 | ||
|   verifyFormat("delete *x;", PointerLeft);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsAttributes) {
 | ||
|   verifyFormat("SomeType s __attribute__((unused)) (InitValue);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsEllipsis) {
 | ||
|   verifyFormat("int printf(const char *fmt, ...);");
 | ||
|   verifyFormat("template <class... Ts> void Foo(Ts... ts) { Foo(ts...); }");
 | ||
|   verifyFormat("template <class... Ts> void Foo(Ts *... ts) {}");
 | ||
| 
 | ||
|   FormatStyle PointersLeft = getLLVMStyle();
 | ||
|   PointersLeft.PointerBindsToType = true;
 | ||
|   verifyFormat("template <class... Ts> void Foo(Ts*... ts) {}", PointersLeft);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AdaptivelyFormatsPointersAndReferences) {
 | ||
|   EXPECT_EQ("int *a;\n"
 | ||
|             "int *a;\n"
 | ||
|             "int *a;",
 | ||
|             format("int *a;\n"
 | ||
|                    "int* a;\n"
 | ||
|                    "int *a;",
 | ||
|                    getGoogleStyle()));
 | ||
|   EXPECT_EQ("int* a;\n"
 | ||
|             "int* a;\n"
 | ||
|             "int* a;",
 | ||
|             format("int* a;\n"
 | ||
|                    "int* a;\n"
 | ||
|                    "int *a;",
 | ||
|                    getGoogleStyle()));
 | ||
|   EXPECT_EQ("int *a;\n"
 | ||
|             "int *a;\n"
 | ||
|             "int *a;",
 | ||
|             format("int *a;\n"
 | ||
|                    "int * a;\n"
 | ||
|                    "int *  a;",
 | ||
|                    getGoogleStyle()));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsRvalueReferences) {
 | ||
|   verifyFormat("int f(int &&a) {}");
 | ||
|   verifyFormat("int f(int a, char &&b) {}");
 | ||
|   verifyFormat("void f() { int &&a = b; }");
 | ||
|   verifyGoogleFormat("int f(int a, char&& b) {}");
 | ||
|   verifyGoogleFormat("void f() { int&& a = b; }");
 | ||
| 
 | ||
|   verifyIndependentOfContext("A<int &&> a;");
 | ||
|   verifyIndependentOfContext("A<int &&, int &&> a;");
 | ||
|   verifyGoogleFormat("A<int&&> a;");
 | ||
|   verifyGoogleFormat("A<int&&, int&&> a;");
 | ||
| 
 | ||
|   // Not rvalue references:
 | ||
|   verifyFormat("template <bool B, bool C> class A {\n"
 | ||
|                "  static_assert(B && C, \"Something is wrong\");\n"
 | ||
|                "};");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsBinaryOperatorsPrecedingEquals) {
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  x[aaaaaaaaa -\n"
 | ||
|                "    b] = 23;\n"
 | ||
|                "}",
 | ||
|                getLLVMStyleWithColumns(15));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsCasts) {
 | ||
|   verifyFormat("Type *A = static_cast<Type *>(P);");
 | ||
|   verifyFormat("Type *A = (Type *)P;");
 | ||
|   verifyFormat("Type *A = (vector<Type *, int *>)P;");
 | ||
|   verifyFormat("int a = (int)(2.0f);");
 | ||
|   verifyFormat("int a = (int)2.0f;");
 | ||
|   verifyFormat("x[(int32)y];");
 | ||
|   verifyFormat("x = (int32)y;");
 | ||
|   verifyFormat("#define AA(X) sizeof(((X *)NULL)->a)");
 | ||
|   verifyFormat("int a = (int)*b;");
 | ||
|   verifyFormat("int a = (int)2.0f;");
 | ||
|   verifyFormat("int a = (int)~0;");
 | ||
|   verifyFormat("int a = (int)++a;");
 | ||
|   verifyFormat("int a = (int)sizeof(int);");
 | ||
|   verifyFormat("int a = (int)+2;");
 | ||
|   verifyFormat("my_int a = (my_int)2.0f;");
 | ||
|   verifyFormat("my_int a = (my_int)sizeof(int);");
 | ||
|   verifyFormat("return (my_int)aaa;");
 | ||
|   verifyFormat("#define x ((int)-1)");
 | ||
|   verifyFormat("#define p(q) ((int *)&q)");
 | ||
| 
 | ||
|   // FIXME: Without type knowledge, this can still fall apart miserably.
 | ||
|   verifyFormat("void f() { my_int a = (my_int) * b; }");
 | ||
|   verifyFormat("void f() { return P ? (my_int) * P : (my_int)0; }");
 | ||
|   verifyFormat("my_int a = (my_int) ~0;");
 | ||
|   verifyFormat("my_int a = (my_int)++ a;");
 | ||
|   verifyFormat("my_int a = (my_int) + 2;");
 | ||
| 
 | ||
|   // Don't break after a cast's
 | ||
|   verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
 | ||
|                "    (aaaaaaaaaaaaaaaaaaaaaaaaaa *)(aaaaaaaaaaaaaaaaaaaaaa +\n"
 | ||
|                "                                   bbbbbbbbbbbbbbbbbbbbbb);");
 | ||
| 
 | ||
|   // These are not casts.
 | ||
|   verifyFormat("void f(int *) {}");
 | ||
|   verifyFormat("f(foo)->b;");
 | ||
|   verifyFormat("f(foo).b;");
 | ||
|   verifyFormat("f(foo)(b);");
 | ||
|   verifyFormat("f(foo)[b];");
 | ||
|   verifyFormat("[](foo) { return 4; }(bar)];");
 | ||
|   verifyFormat("(*funptr)(foo)[4];");
 | ||
|   verifyFormat("funptrs[4](foo)[4];");
 | ||
|   verifyFormat("void f(int *);");
 | ||
|   verifyFormat("void f(int *) = 0;");
 | ||
|   verifyFormat("void f(SmallVector<int>) {}");
 | ||
|   verifyFormat("void f(SmallVector<int>);");
 | ||
|   verifyFormat("void f(SmallVector<int>) = 0;");
 | ||
|   verifyFormat("void f(int i = (kValue) * kMask) {}");
 | ||
|   verifyFormat("void f(int i = (kA * kB) & kMask) {}");
 | ||
|   verifyFormat("int a = sizeof(int) * b;");
 | ||
|   verifyFormat("int a = alignof(int) * b;", getGoogleStyle());
 | ||
|   verifyFormat("template <> void f<int>(int i) SOME_ANNOTATION;");
 | ||
|   verifyFormat("f(\"%\" SOME_MACRO(ll) \"d\");");
 | ||
|   verifyFormat("aaaaa &operator=(const aaaaa &) LLVM_DELETED_FUNCTION;");
 | ||
| 
 | ||
|   // These are not casts, but at some point were confused with casts.
 | ||
|   verifyFormat("virtual void foo(int *) override;");
 | ||
|   verifyFormat("virtual void foo(char &) const;");
 | ||
|   verifyFormat("virtual void foo(int *a, char *) const;");
 | ||
|   verifyFormat("int a = sizeof(int *) + b;");
 | ||
|   verifyFormat("int a = alignof(int *) + b;", getGoogleStyle());
 | ||
| 
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *foo = (aaaaaaaaaaaaaaaaa *)\n"
 | ||
|                "    bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;");
 | ||
|   // FIXME: The indentation here is not ideal.
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|       "    [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = (*cccccccccccccccc)\n"
 | ||
|       "        [dddddddddddddddddddddddddddddddddddddddddddddddddddddddd];");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsFunctionTypes) {
 | ||
|   verifyFormat("A<bool()> a;");
 | ||
|   verifyFormat("A<SomeType()> a;");
 | ||
|   verifyFormat("A<void (*)(int, std::string)> a;");
 | ||
|   verifyFormat("A<void *(int)>;");
 | ||
|   verifyFormat("void *(*a)(int *, SomeType *);");
 | ||
|   verifyFormat("int (*func)(void *);");
 | ||
|   verifyFormat("void f() { int (*func)(void *); }");
 | ||
| 
 | ||
|   verifyGoogleFormat("A<void*(int*, SomeType*)>;");
 | ||
|   verifyGoogleFormat("void* (*a)(int);");
 | ||
| 
 | ||
|   // Other constructs can look somewhat like function types:
 | ||
|   verifyFormat("A<sizeof(*x)> a;");
 | ||
|   verifyFormat("#define DEREF_AND_CALL_F(x) f(*x)");
 | ||
|   verifyFormat("some_var = function(*some_pointer_var)[0];");
 | ||
|   verifyFormat("void f() { function(*some_pointer_var)[0] = 10; }");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreaksLongDeclarations) {
 | ||
|   verifyFormat("typedef LoooooooooooooooooooooooooooooooooooooooongType\n"
 | ||
|                "    AnotherNameForTheLongType;",
 | ||
|                getGoogleStyle());
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n"
 | ||
|                "    LoooooooooooooooooooooooooooooooooooooooongVariable;",
 | ||
|                getGoogleStyle());
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType const\n"
 | ||
|                "    LoooooooooooooooooooooooooooooooooooooooongVariable;",
 | ||
|                getGoogleStyle());
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
 | ||
|                "    LoooooooooooooooooooooooooooooooongFunctionDeclaration();",
 | ||
|                getGoogleStyle());
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
 | ||
|                "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}");
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType const\n"
 | ||
|                "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}");
 | ||
| 
 | ||
|   // FIXME: Without the comment, this breaks after "(".
 | ||
|   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType  // break\n"
 | ||
|                "    (*LoooooooooooooooooooooooooooongFunctionTypeVarialbe)();",
 | ||
|                getGoogleStyle());
 | ||
| 
 | ||
|   verifyFormat("int *someFunction(int LoooooooooooooooooooongParam1,\n"
 | ||
|                "                  int LoooooooooooooooooooongParam2) {}");
 | ||
|   verifyFormat(
 | ||
|       "TypeSpecDecl *TypeSpecDecl::Create(ASTContext &C, DeclContext *DC,\n"
 | ||
|       "                                   SourceLocation L, IdentifierIn *II,\n"
 | ||
|       "                                   Type *T) {}");
 | ||
|   verifyFormat("ReallyLongReturnType<TemplateParam1, TemplateParam2>\n"
 | ||
|                "ReallyReallyLongFunctionName(\n"
 | ||
|                "    const std::string &SomeParameter,\n"
 | ||
|                "    const SomeType<string, SomeOtherTemplateParameter> &\n"
 | ||
|                "        ReallyReallyLongParameterName,\n"
 | ||
|                "    const SomeType<string, SomeOtherTemplateParameter> &\n"
 | ||
|                "        AnotherLongParameterName) {}");
 | ||
|   verifyFormat("template <typename A>\n"
 | ||
|                "SomeLoooooooooooooooooooooongType<\n"
 | ||
|                "    typename some_namespace::SomeOtherType<A>::Type>\n"
 | ||
|                "Function() {}");
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaa<aaaaaaaaaaaaa, aaaaaaaaaaaa>\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaa;",
 | ||
|       getGoogleStyle());
 | ||
| 
 | ||
|   verifyGoogleFormat(
 | ||
|       "TypeSpecDecl* TypeSpecDecl::Create(ASTContext& C, DeclContext* DC,\n"
 | ||
|       "                                   SourceLocation L) {}");
 | ||
|   verifyGoogleFormat(
 | ||
|       "some_namespace::LongReturnType\n"
 | ||
|       "long_namespace::SomeVeryLongClass::SomeVeryLongFunction(\n"
 | ||
|       "    int first_long_parameter, int second_parameter) {}");
 | ||
| 
 | ||
|   verifyGoogleFormat("template <typename T>\n"
 | ||
|                      "aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa>\n"
 | ||
|                      "aaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaa() {}");
 | ||
|   verifyGoogleFormat("A<A<A>> aaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|                      "                   int aaaaaaaaaaaaaaaaaaaaaaa);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsArrays) {
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaaaaaaaaaaaaaaa]\n"
 | ||
|                "                         [bbbbbbbbbbbbbbbbbbbbbbbbb] = c;");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = ccccccccccc;");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    [a][bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = cccccccc;");
 | ||
|   verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
 | ||
|                "    [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]\n"
 | ||
|                "    [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = ccccccccccc;");
 | ||
|   verifyFormat(
 | ||
|       "llvm::outs() << \"aaaaaaaaaaaa: \"\n"
 | ||
|       "             << (*aaaaaaaiaaaaaaa)[aaaaaaaaaaaaaaaaaaaaaaaaa]\n"
 | ||
|       "                                  [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LineStartsWithSpecialCharacter) {
 | ||
|   verifyFormat("(a)->b();");
 | ||
|   verifyFormat("--a;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, HandlesIncludeDirectives) {
 | ||
|   verifyFormat("#include <string>\n"
 | ||
|                "#include <a/b/c.h>\n"
 | ||
|                "#include \"a/b/string\"\n"
 | ||
|                "#include \"string.h\"\n"
 | ||
|                "#include \"string.h\"\n"
 | ||
|                "#include <a-a>\n"
 | ||
|                "#include < path with space >\n"
 | ||
|                "#include \"abc.h\" // this is included for ABC\n"
 | ||
|                "#include \"some long include\" // with a comment\n"
 | ||
|                "#include \"some very long include paaaaaaaaaaaaaaaaaaaaaaath\"",
 | ||
|                getLLVMStyleWithColumns(35));
 | ||
| 
 | ||
|   verifyFormat("#import <string>");
 | ||
|   verifyFormat("#import <a/b/c.h>");
 | ||
|   verifyFormat("#import \"a/b/string\"");
 | ||
|   verifyFormat("#import \"string.h\"");
 | ||
|   verifyFormat("#import \"string.h\"");
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Error recovery tests.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, IncompleteParameterLists) {
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   verifyFormat("void aaaaaaaaaaaaaaaaaa(int level,\n"
 | ||
|                "                        double *min_x,\n"
 | ||
|                "                        double *max_x,\n"
 | ||
|                "                        double *min_y,\n"
 | ||
|                "                        double *max_y,\n"
 | ||
|                "                        double *min_z,\n"
 | ||
|                "                        double *max_z, ) {}",
 | ||
|                NoBinPacking);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeTrailingStuff) {
 | ||
|   verifyFormat("void f() { return; }\n42");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  if (0)\n"
 | ||
|                "    return;\n"
 | ||
|                "}\n"
 | ||
|                "42");
 | ||
|   verifyFormat("void f() { return }\n42");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  if (0)\n"
 | ||
|                "    return\n"
 | ||
|                "}\n"
 | ||
|                "42");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeMissingSemicolon) {
 | ||
|   EXPECT_EQ("void f() { return }", format("void  f ( )  {  return  }"));
 | ||
|   EXPECT_EQ("void f() {\n"
 | ||
|             "  if (a)\n"
 | ||
|             "    return\n"
 | ||
|             "}",
 | ||
|             format("void  f  (  )  {  if  ( a )  return  }"));
 | ||
|   EXPECT_EQ("namespace N {\n"
 | ||
|             "void f()\n"
 | ||
|             "}",
 | ||
|             format("namespace  N  {  void f()  }"));
 | ||
|   EXPECT_EQ("namespace N {\n"
 | ||
|             "void f() {}\n"
 | ||
|             "void g()\n"
 | ||
|             "}",
 | ||
|             format("namespace N  { void f( ) { } void g( ) }"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IndentationWithinColumnLimitNotPossible) {
 | ||
|   verifyFormat("int aaaaaaaa =\n"
 | ||
|                "    // Overlylongcomment\n"
 | ||
|                "    b;",
 | ||
|                getLLVMStyleWithColumns(20));
 | ||
|   verifyFormat("function(\n"
 | ||
|                "    ShortArgument,\n"
 | ||
|                "    LoooooooooooongArgument);\n",
 | ||
|                getLLVMStyleWithColumns(20));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectAccessSpecifier) {
 | ||
|   verifyFormat("public:");
 | ||
|   verifyFormat("class A {\n"
 | ||
|                "public\n"
 | ||
|                "  void f() {}\n"
 | ||
|                "};");
 | ||
|   verifyFormat("public\n"
 | ||
|                "int qwerty;");
 | ||
|   verifyFormat("public\n"
 | ||
|                "B {}");
 | ||
|   verifyFormat("public\n"
 | ||
|                "{}");
 | ||
|   verifyFormat("public\n"
 | ||
|                "B { int x; }");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) {
 | ||
|   verifyFormat("{");
 | ||
|   verifyFormat("#})");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeDoNoWhile) {
 | ||
|   verifyFormat("do {\n}");
 | ||
|   verifyFormat("do {\n}\n"
 | ||
|                "f();");
 | ||
|   verifyFormat("do {\n}\n"
 | ||
|                "wheeee(fun);");
 | ||
|   verifyFormat("do {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeMissingParens) {
 | ||
|   verifyFormat("if {\n  foo;\n  foo();\n}");
 | ||
|   verifyFormat("switch {\n  foo;\n  foo();\n}");
 | ||
|   verifyFormat("for {\n  foo;\n  foo();\n}");
 | ||
|   verifyFormat("while {\n  foo;\n  foo();\n}");
 | ||
|   verifyFormat("do {\n  foo;\n  foo();\n} while;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) {
 | ||
|   verifyFormat("namespace {\n"
 | ||
|                "class Foo {  Foo  (\n"
 | ||
|                "};\n"
 | ||
|                "} // comment");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IncorrectCodeErrorDetection) {
 | ||
|   EXPECT_EQ("{\n{}\n", format("{\n{\n}\n"));
 | ||
|   EXPECT_EQ("{\n  {}\n", format("{\n  {\n}\n"));
 | ||
|   EXPECT_EQ("{\n  {}\n", format("{\n  {\n  }\n"));
 | ||
|   EXPECT_EQ("{\n  {}\n  }\n}\n", format("{\n  {\n    }\n  }\n}\n"));
 | ||
| 
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "    {\n"
 | ||
|             " breakme(\n"
 | ||
|             "     qwe);\n"
 | ||
|             "}\n",
 | ||
|             format("{\n"
 | ||
|                    "    {\n"
 | ||
|                    " breakme(qwe);\n"
 | ||
|                    "}\n",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutCallsInsideBraceInitializers) {
 | ||
|   verifyFormat("int x = {\n"
 | ||
|                "  avariable,\n"
 | ||
|                "  b(alongervariable)\n"
 | ||
|                "};",
 | ||
|                getLLVMStyleWithColumns(25));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutBraceInitializersInReturnStatement) {
 | ||
|   verifyFormat("return (a)(b) { 1, 2, 3 };");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LayoutCxx11ConstructorBraceInitializers) {
 | ||
|     verifyFormat("vector<int> x{ 1, 2, 3, 4 };");
 | ||
|     verifyFormat("vector<T> x{ {}, {}, {}, {} };");
 | ||
|     verifyFormat("f({ 1, 2 });");
 | ||
|     verifyFormat("auto v = Foo{ 1 };");
 | ||
|     verifyFormat("f({ 1, 2 }, { { 2, 3 }, { 4, 5 } }, c, { d });");
 | ||
|     verifyFormat("Class::Class : member{ 1, 2, 3 } {}");
 | ||
|     verifyFormat("new vector<int>{ 1, 2, 3 };");
 | ||
|     verifyFormat("new int[3]{ 1, 2, 3 };");
 | ||
|     verifyFormat("return { arg1, arg2 };");
 | ||
|     verifyFormat("return { arg1, SomeType{ parameter } };");
 | ||
|     verifyFormat("new T{ arg1, arg2 };");
 | ||
|     verifyFormat("class Class {\n"
 | ||
|                  "  T member = { arg1, arg2 };\n"
 | ||
|                  "};");
 | ||
|     verifyFormat(
 | ||
|         "foo = aaaaaaaaaaa ? vector<int>{ aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|         "                                 aaaaaaaaaaaaaaaaaaaa, aaaaa }\n"
 | ||
|         "                  : vector<int>{ bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
 | ||
|         "                                 bbbbbbbbbbbbbbbbbbbb, bbbbb };");
 | ||
|     verifyFormat("DoSomethingWithVector({} /* No data */);");
 | ||
|     verifyFormat("DoSomethingWithVector({ {} /* No data */ }, { { 1, 2 } });");
 | ||
|     verifyFormat(
 | ||
|         "someFunction(OtherParam, BracedList{\n"
 | ||
|         "                           // comment 1 (Forcing interesting break)\n"
 | ||
|         "                           param1, param2,\n"
 | ||
|         "                           // comment 2\n"
 | ||
|         "                           param3, param4\n"
 | ||
|         "                         });");
 | ||
| 
 | ||
|     FormatStyle NoSpaces = getLLVMStyle();
 | ||
|     NoSpaces.Cpp11BracedListStyle = true;
 | ||
|     verifyFormat("vector<int> x{1, 2, 3, 4};", NoSpaces);
 | ||
|     verifyFormat("vector<T> x{{}, {}, {}, {}};", NoSpaces);
 | ||
|     verifyFormat("f({1, 2});", NoSpaces);
 | ||
|     verifyFormat("auto v = Foo{-1};", NoSpaces);
 | ||
|     verifyFormat("f({1, 2}, {{2, 3}, {4, 5}}, c, {d});", NoSpaces);
 | ||
|     verifyFormat("Class::Class : member{1, 2, 3} {}", NoSpaces);
 | ||
|     verifyFormat("new vector<int>{1, 2, 3};", NoSpaces);
 | ||
|     verifyFormat("new int[3]{1, 2, 3};", NoSpaces);
 | ||
|     verifyFormat("return {arg1, arg2};", NoSpaces);
 | ||
|     verifyFormat("return {arg1, SomeType{parameter}};", NoSpaces);
 | ||
|     verifyFormat("new T{arg1, arg2};", NoSpaces);
 | ||
|     verifyFormat("class Class {\n"
 | ||
|                  "  T member = {arg1, arg2};\n"
 | ||
|                  "};",
 | ||
|                  NoSpaces);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, PullTrivialFunctionDefinitionsIntoSingleLine) {
 | ||
|   verifyFormat("void f() { return 42; }");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  // Comment\n"
 | ||
|                "}");
 | ||
|   verifyFormat("{\n"
 | ||
|                "#error {\n"
 | ||
|                "  int a;\n"
 | ||
|                "}");
 | ||
|   verifyFormat("{\n"
 | ||
|                "  int a;\n"
 | ||
|                "#error {\n"
 | ||
|                "}");
 | ||
|   verifyFormat("void f() {} // comment");
 | ||
|   verifyFormat("void f() { int a; } // comment");
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "} // comment",
 | ||
|                getLLVMStyleWithColumns(15));
 | ||
| 
 | ||
|   verifyFormat("void f() { return 42; }", getLLVMStyleWithColumns(23));
 | ||
|   verifyFormat("void f() {\n  return 42;\n}", getLLVMStyleWithColumns(22));
 | ||
| 
 | ||
|   verifyFormat("void f() {}", getLLVMStyleWithColumns(11));
 | ||
|   verifyFormat("void f() {\n}", getLLVMStyleWithColumns(10));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) {
 | ||
|   // Elaborate type variable declarations.
 | ||
|   verifyFormat("struct foo a = { bar };\nint n;");
 | ||
|   verifyFormat("class foo a = { bar };\nint n;");
 | ||
|   verifyFormat("union foo a = { bar };\nint n;");
 | ||
| 
 | ||
|   // Elaborate types inside function definitions.
 | ||
|   verifyFormat("struct foo f() {}\nint n;");
 | ||
|   verifyFormat("class foo f() {}\nint n;");
 | ||
|   verifyFormat("union foo f() {}\nint n;");
 | ||
| 
 | ||
|   // Templates.
 | ||
|   verifyFormat("template <class X> void f() {}\nint n;");
 | ||
|   verifyFormat("template <struct X> void f() {}\nint n;");
 | ||
|   verifyFormat("template <union X> void f() {}\nint n;");
 | ||
| 
 | ||
|   // Actual definitions...
 | ||
|   verifyFormat("struct {\n} n;");
 | ||
|   verifyFormat(
 | ||
|       "template <template <class T, class Y>, class Z> class X {\n} n;");
 | ||
|   verifyFormat("union Z {\n  int n;\n} x;");
 | ||
|   verifyFormat("class MACRO Z {\n} n;");
 | ||
|   verifyFormat("class MACRO(X) Z {\n} n;");
 | ||
|   verifyFormat("class __attribute__(X) Z {\n} n;");
 | ||
|   verifyFormat("class __declspec(X) Z {\n} n;");
 | ||
|   verifyFormat("class A##B##C {\n} n;");
 | ||
| 
 | ||
|   // Redefinition from nested context:
 | ||
|   verifyFormat("class A::B::C {\n} n;");
 | ||
| 
 | ||
|   // Template definitions.
 | ||
|   verifyFormat(
 | ||
|       "template <typename F>\n"
 | ||
|       "Matcher(const Matcher<F> &Other,\n"
 | ||
|       "        typename enable_if_c<is_base_of<F, T>::value &&\n"
 | ||
|       "                             !is_same<F, T>::value>::type * = 0)\n"
 | ||
|       "    : Implementation(new ImplicitCastMatcher<F>(Other)) {}");
 | ||
| 
 | ||
|   // FIXME: This is still incorrectly handled at the formatter side.
 | ||
|   verifyFormat("template <> struct X < 15, i<3 && 42 < 50 && 33 < 28> {};");
 | ||
| 
 | ||
|   // FIXME:
 | ||
|   // This now gets parsed incorrectly as class definition.
 | ||
|   // verifyFormat("class A<int> f() {\n}\nint n;");
 | ||
| 
 | ||
|   // Elaborate types where incorrectly parsing the structural element would
 | ||
|   // break the indent.
 | ||
|   verifyFormat("if (true)\n"
 | ||
|                "  class X x;\n"
 | ||
|                "else\n"
 | ||
|                "  f();\n");
 | ||
| 
 | ||
|   // This is simply incomplete. Formatting is not important, but must not crash.
 | ||
|   verifyFormat("class A:"); 
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoNotInterfereWithErrorAndWarning) {
 | ||
|   verifyFormat("#error Leave     all         white!!!!! space* alone!\n");
 | ||
|   verifyFormat("#warning Leave     all         white!!!!! space* alone!\n");
 | ||
|   EXPECT_EQ("#error 1", format("  #  error   1"));
 | ||
|   EXPECT_EQ("#warning 1", format("  #  warning 1"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatHashIfExpressions) {
 | ||
|   // FIXME: Come up with a better indentation for #elif.
 | ||
|   verifyFormat(
 | ||
|       "#if !defined(AAAAAAA) && (defined CCCCCC || defined DDDDDD) &&  \\\n"
 | ||
|       "    defined(BBBBBBBB)\n"
 | ||
|       "#elif !defined(AAAAAA) && (defined CCCCC || defined DDDDDD) &&  \\\n"
 | ||
|       "    defined(BBBBBBBB)\n"
 | ||
|       "#endif",
 | ||
|       getLLVMStyleWithColumns(65));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) {
 | ||
|   FormatStyle AllowsMergedIf = getGoogleStyle();
 | ||
|   AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;
 | ||
|   verifyFormat("void f() { f(); }\n#error E", AllowsMergedIf);
 | ||
|   verifyFormat("if (true) return 42;\n#error E", AllowsMergedIf);
 | ||
|   verifyFormat("if (true)\n#error E\n  return 42;", AllowsMergedIf);
 | ||
|   EXPECT_EQ("if (true) return 42;",
 | ||
|             format("if (true)\nreturn 42;", AllowsMergedIf));
 | ||
|   FormatStyle ShortMergedIf = AllowsMergedIf;
 | ||
|   ShortMergedIf.ColumnLimit = 25;
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  if (true) return 42;",
 | ||
|                ShortMergedIf);
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  f();    \\\n"
 | ||
|                "  if (true)\n"
 | ||
|                "#define B",
 | ||
|                ShortMergedIf);
 | ||
|   verifyFormat("#define A \\\n"
 | ||
|                "  f();    \\\n"
 | ||
|                "  if (true)\n"
 | ||
|                "g();",
 | ||
|                ShortMergedIf);
 | ||
|   verifyFormat("{\n"
 | ||
|                "#ifdef A\n"
 | ||
|                "  // Comment\n"
 | ||
|                "  if (true) continue;\n"
 | ||
|                "#endif\n"
 | ||
|                "  // Comment\n"
 | ||
|                "  if (true) continue;",
 | ||
|                ShortMergedIf);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BlockCommentsInControlLoops) {
 | ||
|   verifyFormat("if (0) /* a comment in a strange place */ {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("if (0) /* a comment in a strange place */ {\n"
 | ||
|                "  f();\n"
 | ||
|                "} /* another comment */ else /* comment #3 */ {\n"
 | ||
|                "  g();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("while (0) /* a comment in a strange place */ {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("for (;;) /* a comment in a strange place */ {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("do /* a comment in a strange place */ {\n"
 | ||
|                "  f();\n"
 | ||
|                "} /* another comment */ while (0);");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BlockComments) {
 | ||
|   EXPECT_EQ("/* */ /* */ /* */\n/* */ /* */ /* */",
 | ||
|             format("/* *//* */  /* */\n/* *//* */  /* */"));
 | ||
|   EXPECT_EQ("/* */ a /* */ b;", format("  /* */  a/* */  b;"));
 | ||
|   EXPECT_EQ("#define A /*123*/\\\n"
 | ||
|             "  b\n"
 | ||
|             "/* */\n"
 | ||
|             "someCall(\n"
 | ||
|             "    parameter);",
 | ||
|             format("#define A /*123*/ b\n"
 | ||
|                    "/* */\n"
 | ||
|                    "someCall(parameter);",
 | ||
|                    getLLVMStyleWithColumns(15)));
 | ||
| 
 | ||
|   EXPECT_EQ("#define A\n"
 | ||
|             "/* */ someCall(\n"
 | ||
|             "    parameter);",
 | ||
|             format("#define A\n"
 | ||
|                    "/* */someCall(parameter);",
 | ||
|                    getLLVMStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("/*\n**\n*/", format("/*\n**\n*/"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "*\n"
 | ||
|             " * aaaaaa\n"
 | ||
|             "*aaaaaa\n"
 | ||
|             "*/",
 | ||
|             format("/*\n"
 | ||
|                    "*\n"
 | ||
|                    " * aaaaaa aaaaaa\n"
 | ||
|                    "*/",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             "**\n"
 | ||
|             "* aaaaaa\n"
 | ||
|             "*aaaaaa\n"
 | ||
|             "*/",
 | ||
|             format("/*\n"
 | ||
|                    "**\n"
 | ||
|                    "* aaaaaa aaaaaa\n"
 | ||
|                    "*/",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
| 
 | ||
|   FormatStyle NoBinPacking = getLLVMStyle();
 | ||
|   NoBinPacking.BinPackParameters = false;
 | ||
|   EXPECT_EQ("someFunction(1, /* comment 1 */\n"
 | ||
|             "             2, /* comment 2 */\n"
 | ||
|             "             3, /* comment 3 */\n"
 | ||
|             "             aaaa,\n"
 | ||
|             "             bbbb);",
 | ||
|             format("someFunction (1,   /* comment 1 */\n"
 | ||
|                    "                2, /* comment 2 */  \n"
 | ||
|                    "               3,   /* comment 3 */\n"
 | ||
|                    "aaaa, bbbb );",
 | ||
|                    NoBinPacking));
 | ||
|   verifyFormat(
 | ||
|       "bool aaaaaaaaaaaaa = /* comment: */ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "                     aaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
 | ||
|   EXPECT_EQ(
 | ||
|       "bool aaaaaaaaaaaaa = /* trailing comment */\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaa;",
 | ||
|       format(
 | ||
|           "bool       aaaaaaaaaaaaa =       /* trailing comment */\n"
 | ||
|           "    aaaaaaaaaaaaaaaaaaaaaaaaaaa||aaaaaaaaaaaaaaaaaaaaaaaaa    ||\n"
 | ||
|           "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa   || aaaaaaaaaaaaaaaaaaaaaaaaaa;"));
 | ||
|   EXPECT_EQ(
 | ||
|       "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n"
 | ||
|       "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;   /* comment */\n"
 | ||
|       "int cccccccccccccccccccccccccccccc;       /* comment */\n",
 | ||
|       format("int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n"
 | ||
|              "int      bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; /* comment */\n"
 | ||
|              "int    cccccccccccccccccccccccccccccc;  /* comment */\n"));
 | ||
| 
 | ||
|   verifyFormat("void f(int * /* unused */) {}");
 | ||
| 
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " **\n"
 | ||
|             " */",
 | ||
|             format("/*\n"
 | ||
|                    " **\n"
 | ||
|                    " */"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " *q\n"
 | ||
|             " */",
 | ||
|             format("/*\n"
 | ||
|                    " *q\n"
 | ||
|                    " */"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " * q\n"
 | ||
|             " */",
 | ||
|             format("/*\n"
 | ||
|                    " * q\n"
 | ||
|                    " */"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " **/",
 | ||
|             format("/*\n"
 | ||
|                    " **/"));
 | ||
|   EXPECT_EQ("/*\n"
 | ||
|             " ***/",
 | ||
|             format("/*\n"
 | ||
|                    " ***/"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BlockCommentsInMacros) {
 | ||
|   EXPECT_EQ("#define A          \\\n"
 | ||
|             "  {                \\\n"
 | ||
|             "    /* one line */ \\\n"
 | ||
|             "    someCall();",
 | ||
|             format("#define A {        \\\n"
 | ||
|                    "  /* one line */   \\\n"
 | ||
|                    "  someCall();",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("#define A          \\\n"
 | ||
|             "  {                \\\n"
 | ||
|             "    /* previous */ \\\n"
 | ||
|             "    /* one line */ \\\n"
 | ||
|             "    someCall();",
 | ||
|             format("#define A {        \\\n"
 | ||
|                    "  /* previous */   \\\n"
 | ||
|                    "  /* one line */   \\\n"
 | ||
|                    "  someCall();",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BlockCommentsAtEndOfLine) {
 | ||
|   EXPECT_EQ("a = {\n"
 | ||
|             "  1111 /*    */\n"
 | ||
|             "};",
 | ||
|             format("a = {1111 /*    */\n"
 | ||
|                    "};",
 | ||
|                    getLLVMStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("a = {\n"
 | ||
|             "  1111 /*      */\n"
 | ||
|             "};",
 | ||
|             format("a = {1111 /*      */\n"
 | ||
|                    "};",
 | ||
|                    getLLVMStyleWithColumns(15)));
 | ||
| 
 | ||
|   // FIXME: The formatting is still wrong here.
 | ||
|   EXPECT_EQ("a = {\n"
 | ||
|             "  1111 /*      a\n"
 | ||
|             "          */\n"
 | ||
|             "};",
 | ||
|             format("a = {1111 /*      a */\n"
 | ||
|                    "};",
 | ||
|                    getLLVMStyleWithColumns(15)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, IndentLineCommentsInStartOfBlockAtEndOfFile) {
 | ||
|   // FIXME: This is not what we want...
 | ||
|   verifyFormat("{\n"
 | ||
|                "// a"
 | ||
|                "// b");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatStarDependingOnContext) {
 | ||
|   verifyFormat("void f(int *a);");
 | ||
|   verifyFormat("void f() { f(fint * b); }");
 | ||
|   verifyFormat("class A {\n  void f(int *a);\n};");
 | ||
|   verifyFormat("class A {\n  int *a;\n};");
 | ||
|   verifyFormat("namespace a {\n"
 | ||
|                "namespace b {\n"
 | ||
|                "class A {\n"
 | ||
|                "  void f() {}\n"
 | ||
|                "  int *a;\n"
 | ||
|                "};\n"
 | ||
|                "}\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SpecialTokensAtEndOfLine) {
 | ||
|   verifyFormat("while");
 | ||
|   verifyFormat("operator");
 | ||
| }
 | ||
| 
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| // Objective-C tests.
 | ||
| //===----------------------------------------------------------------------===//
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatForObjectiveCMethodDecls) {
 | ||
|   verifyFormat("- (void)sendAction:(SEL)aSelector to:(BOOL)anObject;");
 | ||
|   EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject;",
 | ||
|             format("-(NSUInteger)indexOfObject:(id)anObject;"));
 | ||
|   EXPECT_EQ("- (NSInteger)Mthod1;", format("-(NSInteger)Mthod1;"));
 | ||
|   EXPECT_EQ("+ (id)Mthod2;", format("+(id)Mthod2;"));
 | ||
|   EXPECT_EQ("- (NSInteger)Method3:(id)anObject;",
 | ||
|             format("-(NSInteger)Method3:(id)anObject;"));
 | ||
|   EXPECT_EQ("- (NSInteger)Method4:(id)anObject;",
 | ||
|             format("-(NSInteger)Method4:(id)anObject;"));
 | ||
|   EXPECT_EQ("- (NSInteger)Method5:(id)anObject:(id)AnotherObject;",
 | ||
|             format("-(NSInteger)Method5:(id)anObject:(id)AnotherObject;"));
 | ||
|   EXPECT_EQ("- (id)Method6:(id)A:(id)B:(id)C:(id)D;",
 | ||
|             format("- (id)Method6:(id)A:(id)B:(id)C:(id)D;"));
 | ||
|   EXPECT_EQ(
 | ||
|       "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;",
 | ||
|       format(
 | ||
|           "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;"));
 | ||
| 
 | ||
|   // Very long objectiveC method declaration.
 | ||
|   verifyFormat("- (NSUInteger)indexOfObject:(id)anObject\n"
 | ||
|                "                    inRange:(NSRange)range\n"
 | ||
|                "                   outRange:(NSRange)out_range\n"
 | ||
|                "                  outRange1:(NSRange)out_range1\n"
 | ||
|                "                  outRange2:(NSRange)out_range2\n"
 | ||
|                "                  outRange3:(NSRange)out_range3\n"
 | ||
|                "                  outRange4:(NSRange)out_range4\n"
 | ||
|                "                  outRange5:(NSRange)out_range5\n"
 | ||
|                "                  outRange6:(NSRange)out_range6\n"
 | ||
|                "                  outRange7:(NSRange)out_range7\n"
 | ||
|                "                  outRange8:(NSRange)out_range8\n"
 | ||
|                "                  outRange9:(NSRange)out_range9;");
 | ||
| 
 | ||
|   verifyFormat("- (int)sum:(vector<int>)numbers;");
 | ||
|   verifyGoogleFormat("- (void)setDelegate:(id<Protocol>)delegate;");
 | ||
|   // FIXME: In LLVM style, there should be a space in front of a '<' for ObjC
 | ||
|   // protocol lists (but not for template classes):
 | ||
|   //verifyFormat("- (void)setDelegate:(id <Protocol>)delegate;");
 | ||
| 
 | ||
|   verifyFormat("- (int (*)())foo:(int (*)())f;");
 | ||
|   verifyGoogleFormat("- (int (*)())foo:(int (*)())foo;");
 | ||
| 
 | ||
|   // If there's no return type (very rare in practice!), LLVM and Google style
 | ||
|   // agree.
 | ||
|   verifyFormat("- foo;");
 | ||
|   verifyFormat("- foo:(int)f;");
 | ||
|   verifyGoogleFormat("- foo:(int)foo;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCBlocks) {
 | ||
|   verifyFormat("int (^Block)(int, int);");
 | ||
|   verifyFormat("int (^Block1)(int, int) = ^(int i, int j)");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCInterface) {
 | ||
|   verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
 | ||
|                "@public\n"
 | ||
|                "  int field1;\n"
 | ||
|                "@protected\n"
 | ||
|                "  int field2;\n"
 | ||
|                "@private\n"
 | ||
|                "  int field3;\n"
 | ||
|                "@package\n"
 | ||
|                "  int field4;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyGoogleFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
 | ||
|                      " @public\n"
 | ||
|                      "  int field1;\n"
 | ||
|                      " @protected\n"
 | ||
|                      "  int field2;\n"
 | ||
|                      " @private\n"
 | ||
|                      "  int field3;\n"
 | ||
|                      " @package\n"
 | ||
|                      "  int field4;\n"
 | ||
|                      "}\n"
 | ||
|                      "+ (id)init;\n"
 | ||
|                      "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface /* wait for it */ Foo\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "// Look, a comment!\n"
 | ||
|                "- (int)answerWith:(int)i;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo\n"
 | ||
|                "@end\n"
 | ||
|                "@interface Bar\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo : Bar\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo : /**/ Bar /**/ <Baz, /**/ Quux>\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyGoogleFormat("@interface Foo : Bar<Baz, Quux>\n"
 | ||
|                      "+ (id)init;\n"
 | ||
|                      "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo (HackStuff)\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo ()\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyGoogleFormat("@interface Foo (HackStuff)<MyProtocol>\n"
 | ||
|                      "+ (id)init;\n"
 | ||
|                      "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo : Bar {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo : Bar <Baz, Quux> {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo (HackStuff) {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo () {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init;\n"
 | ||
|                "@end");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCImplementation) {
 | ||
|   verifyFormat("@implementation Foo : NSObject {\n"
 | ||
|                "@public\n"
 | ||
|                "  int field1;\n"
 | ||
|                "@protected\n"
 | ||
|                "  int field2;\n"
 | ||
|                "@private\n"
 | ||
|                "  int field3;\n"
 | ||
|                "@package\n"
 | ||
|                "  int field4;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init {\n}\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyGoogleFormat("@implementation Foo : NSObject {\n"
 | ||
|                      " @public\n"
 | ||
|                      "  int field1;\n"
 | ||
|                      " @protected\n"
 | ||
|                      "  int field2;\n"
 | ||
|                      " @private\n"
 | ||
|                      "  int field3;\n"
 | ||
|                      " @package\n"
 | ||
|                      "  int field4;\n"
 | ||
|                      "}\n"
 | ||
|                      "+ (id)init {\n}\n"
 | ||
|                      "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo\n"
 | ||
|                "+ (id)init {\n"
 | ||
|                "  if (true)\n"
 | ||
|                "    return nil;\n"
 | ||
|                "}\n"
 | ||
|                "// Look, a comment!\n"
 | ||
|                "- (int)answerWith:(int)i {\n"
 | ||
|                "  return i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (int)answerWith:(int)i {\n"
 | ||
|                "  return i;\n"
 | ||
|                "}\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo\n"
 | ||
|                "@end\n"
 | ||
|                "@implementation Bar\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo : Bar\n"
 | ||
|                "+ (id)init {\n}\n"
 | ||
|                "- (void)foo {\n}\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init {\n}\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo : Bar {\n"
 | ||
|                "  int _i;\n"
 | ||
|                "}\n"
 | ||
|                "+ (id)init {\n}\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@implementation Foo (HackStuff)\n"
 | ||
|                "+ (id)init {\n}\n"
 | ||
|                "@end");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCProtocol) {
 | ||
|   verifyFormat("@protocol Foo\n"
 | ||
|                "@property(weak) id delegate;\n"
 | ||
|                "- (NSUInteger)numberOfThings;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@protocol MyProtocol <NSObject>\n"
 | ||
|                "- (NSUInteger)numberOfThings;\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyGoogleFormat("@protocol MyProtocol<NSObject>\n"
 | ||
|                      "- (NSUInteger)numberOfThings;\n"
 | ||
|                      "@end");
 | ||
| 
 | ||
|   verifyFormat("@protocol Foo;\n"
 | ||
|                "@protocol Bar;\n");
 | ||
| 
 | ||
|   verifyFormat("@protocol Foo\n"
 | ||
|                "@end\n"
 | ||
|                "@protocol Bar\n"
 | ||
|                "@end");
 | ||
| 
 | ||
|   verifyFormat("@protocol myProtocol\n"
 | ||
|                "- (void)mandatoryWithInt:(int)i;\n"
 | ||
|                "@optional\n"
 | ||
|                "- (void)optional;\n"
 | ||
|                "@required\n"
 | ||
|                "- (void)required;\n"
 | ||
|                "@optional\n"
 | ||
|                "@property(assign) int madProp;\n"
 | ||
|                "@end\n");
 | ||
| 
 | ||
|   verifyFormat("@property(nonatomic, assign, readonly)\n"
 | ||
|                "    int *looooooooooooooooooooooooooooongNumber;\n"
 | ||
|                "@property(nonatomic, assign, readonly)\n"
 | ||
|                "    NSString *looooooooooooooooooooooooooooongName;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCMethodDeclarations) {
 | ||
|   verifyFormat("- (void)doSomethingWith:(GTMFoo *)theFoo\n"
 | ||
|                "                   rect:(NSRect)theRect\n"
 | ||
|                "               interval:(float)theInterval {\n"
 | ||
|                "}");
 | ||
|   verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
 | ||
|                "          longKeyword:(NSRect)theRect\n"
 | ||
|                "    evenLongerKeyword:(float)theInterval\n"
 | ||
|                "                error:(NSError **)theError {\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatObjCMethodExpr) {
 | ||
|   verifyFormat("[foo bar:baz];");
 | ||
|   verifyFormat("return [foo bar:baz];");
 | ||
|   verifyFormat("f([foo bar:baz]);");
 | ||
|   verifyFormat("f(2, [foo bar:baz]);");
 | ||
|   verifyFormat("f(2, a ? b : c);");
 | ||
|   verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];");
 | ||
| 
 | ||
|   // Unary operators.
 | ||
|   verifyFormat("int a = +[foo bar:baz];");
 | ||
|   verifyFormat("int a = -[foo bar:baz];");
 | ||
|   verifyFormat("int a = ![foo bar:baz];");
 | ||
|   verifyFormat("int a = ~[foo bar:baz];");
 | ||
|   verifyFormat("int a = ++[foo bar:baz];");
 | ||
|   verifyFormat("int a = --[foo bar:baz];");
 | ||
|   verifyFormat("int a = sizeof [foo bar:baz];");
 | ||
|   verifyFormat("int a = alignof [foo bar:baz];", getGoogleStyle());
 | ||
|   verifyFormat("int a = &[foo bar:baz];");
 | ||
|   verifyFormat("int a = *[foo bar:baz];");
 | ||
|   // FIXME: Make casts work, without breaking f()[4].
 | ||
|   //verifyFormat("int a = (int)[foo bar:baz];");
 | ||
|   //verifyFormat("return (int)[foo bar:baz];");
 | ||
|   //verifyFormat("(void)[foo bar:baz];");
 | ||
|   verifyFormat("return (MyType *)[self.tableView cellForRowAtIndexPath:cell];");
 | ||
| 
 | ||
|   // Binary operators.
 | ||
|   verifyFormat("[foo bar:baz], [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] = [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] *= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] /= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] %= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] += [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] -= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] <<= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] >>= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] &= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] ^= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] |= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] || [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] && [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] | [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] ^ [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] & [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] == [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] != [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] >= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] <= [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] > [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] < [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] >> [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] << [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] - [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] + [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] * [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] / [foo bar:baz];");
 | ||
|   verifyFormat("[foo bar:baz] % [foo bar:baz];");
 | ||
|   // Whew!
 | ||
| 
 | ||
|   verifyFormat("return in[42];");
 | ||
|   verifyFormat("for (id foo in [self getStuffFor:bla]) {\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];");
 | ||
|   verifyFormat("[self stuffWithInt:a ? b : c float:4.5];");
 | ||
|   verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];");
 | ||
|   verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];");
 | ||
|   verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]");
 | ||
|   verifyFormat("[button setAction:@selector(zoomOut:)];");
 | ||
|   verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];");
 | ||
| 
 | ||
|   verifyFormat("arr[[self indexForFoo:a]];");
 | ||
|   verifyFormat("throw [self errorFor:a];");
 | ||
|   verifyFormat("@throw [self errorFor:a];");
 | ||
| 
 | ||
|   verifyFormat("[(id)foo bar:(id)baz quux:(id)snorf];");
 | ||
|   verifyFormat("[(id)foo bar:(id) ? baz : quux];");
 | ||
|   verifyFormat("4 > 4 ? (id)a : (id)baz;");
 | ||
| 
 | ||
|   // This tests that the formatter doesn't break after "backing" but before ":",
 | ||
|   // which would be at 80 columns.
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  if ((self = [super initWithContentRect:contentRect\n"
 | ||
|       "                               styleMask:styleMask ?: otherMask\n"
 | ||
|       "                                 backing:NSBackingStoreBuffered\n"
 | ||
|       "                                   defer:YES]))");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "[foo checkThatBreakingAfterColonWorksOk:\n"
 | ||
|       "         [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];");
 | ||
| 
 | ||
|   verifyFormat("[myObj short:arg1 // Force line break\n"
 | ||
|                "          longKeyword:arg2 != nil ? arg2 : @\"longKeyword\"\n"
 | ||
|                "    evenLongerKeyword:arg3 ?: @\"evenLongerKeyword\"\n"
 | ||
|                "                error:arg4];");
 | ||
|   verifyFormat(
 | ||
|       "void f() {\n"
 | ||
|       "  popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
 | ||
|       "      initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
 | ||
|       "                                     pos.width(), pos.height())\n"
 | ||
|       "                styleMask:NSBorderlessWindowMask\n"
 | ||
|       "                  backing:NSBackingStoreBuffered\n"
 | ||
|       "                    defer:NO]);\n"
 | ||
|       "}");
 | ||
|   verifyFormat("[contentsContainer replaceSubview:[subviews objectAtIndex:0]\n"
 | ||
|                "                             with:contentsNativeView];");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "[pboard addTypes:[NSArray arrayWithObject:kBookmarkButtonDragType]\n"
 | ||
|       "           owner:nillllll];");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "[pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]\n"
 | ||
|       "        forType:kBookmarkButtonDragType];");
 | ||
| 
 | ||
|   verifyFormat("[defaultCenter addObserver:self\n"
 | ||
|                "                  selector:@selector(willEnterFullscreen)\n"
 | ||
|                "                      name:kWillEnterFullscreenNotification\n"
 | ||
|                "                    object:nil];");
 | ||
|   verifyFormat("[image_rep drawInRect:drawRect\n"
 | ||
|                "             fromRect:NSZeroRect\n"
 | ||
|                "            operation:NSCompositeCopy\n"
 | ||
|                "             fraction:1.0\n"
 | ||
|                "       respectFlipped:NO\n"
 | ||
|                "                hints:nil];");
 | ||
| 
 | ||
|   verifyFormat(
 | ||
|       "scoped_nsobject<NSTextField> message(\n"
 | ||
|       "    // The frame will be fixed up when |-setMessageText:| is called.\n"
 | ||
|       "    [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);");
 | ||
|   verifyFormat("[self aaaaaa:bbbbbbbbbbbbb\n"
 | ||
|                "    aaaaaaaaaa:bbbbbbbbbbbbbbbbb\n"
 | ||
|                "         aaaaa:bbbbbbbbbbb + bbbbbbbbbbbb\n"
 | ||
|                "          aaaa:bbb];");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ObjCAt) {
 | ||
|   verifyFormat("@autoreleasepool");
 | ||
|   verifyFormat("@catch");
 | ||
|   verifyFormat("@class");
 | ||
|   verifyFormat("@compatibility_alias");
 | ||
|   verifyFormat("@defs");
 | ||
|   verifyFormat("@dynamic");
 | ||
|   verifyFormat("@encode");
 | ||
|   verifyFormat("@end");
 | ||
|   verifyFormat("@finally");
 | ||
|   verifyFormat("@implementation");
 | ||
|   verifyFormat("@import");
 | ||
|   verifyFormat("@interface");
 | ||
|   verifyFormat("@optional");
 | ||
|   verifyFormat("@package");
 | ||
|   verifyFormat("@private");
 | ||
|   verifyFormat("@property");
 | ||
|   verifyFormat("@protected");
 | ||
|   verifyFormat("@protocol");
 | ||
|   verifyFormat("@public");
 | ||
|   verifyFormat("@required");
 | ||
|   verifyFormat("@selector");
 | ||
|   verifyFormat("@synchronized");
 | ||
|   verifyFormat("@synthesize");
 | ||
|   verifyFormat("@throw");
 | ||
|   verifyFormat("@try");
 | ||
| 
 | ||
|   EXPECT_EQ("@interface", format("@ interface"));
 | ||
| 
 | ||
|   // The precise formatting of this doesn't matter, nobody writes code like
 | ||
|   // this.
 | ||
|   verifyFormat("@ /*foo*/ interface");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ObjCSnippets) {
 | ||
|   verifyFormat("@autoreleasepool {\n"
 | ||
|                "  foo();\n"
 | ||
|                "}");
 | ||
|   verifyFormat("@class Foo, Bar;");
 | ||
|   verifyFormat("@compatibility_alias AliasName ExistingClass;");
 | ||
|   verifyFormat("@dynamic textColor;");
 | ||
|   verifyFormat("char *buf1 = @encode(int *);");
 | ||
|   verifyFormat("char *buf1 = @encode(typeof(4 * 5));");
 | ||
|   verifyFormat("char *buf1 = @encode(int **);");
 | ||
|   verifyFormat("Protocol *proto = @protocol(p1);");
 | ||
|   verifyFormat("SEL s = @selector(foo:);");
 | ||
|   verifyFormat("@synchronized(self) {\n"
 | ||
|                "  f();\n"
 | ||
|                "}");
 | ||
| 
 | ||
|   verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
 | ||
|   verifyGoogleFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
 | ||
| 
 | ||
|   verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;");
 | ||
|   verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
 | ||
|   verifyGoogleFormat("@property(assign, getter=isEditable) BOOL editable;");
 | ||
| 
 | ||
|   verifyFormat("@import foo.bar;\n"
 | ||
|                "@import baz;");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ObjCLiterals) {
 | ||
|   verifyFormat("@\"String\"");
 | ||
|   verifyFormat("@1");
 | ||
|   verifyFormat("@+4.8");
 | ||
|   verifyFormat("@-4");
 | ||
|   verifyFormat("@1LL");
 | ||
|   verifyFormat("@.5");
 | ||
|   verifyFormat("@'c'");
 | ||
|   verifyFormat("@true");
 | ||
| 
 | ||
|   verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);");
 | ||
|   verifyFormat("NSNumber *piOverTwo = @(M_PI / 2);");
 | ||
|   verifyFormat("NSNumber *favoriteColor = @(Green);");
 | ||
|   verifyFormat("NSString *path = @(getenv(\"PATH\"));");
 | ||
| 
 | ||
|   verifyFormat("@[");
 | ||
|   verifyFormat("@[]");
 | ||
|   verifyFormat(
 | ||
|       "NSArray *array = @[ @\" Hey \", NSApp, [NSNumber numberWithInt:42] ];");
 | ||
|   verifyFormat("return @[ @3, @[], @[ @4, @5 ] ];");
 | ||
| 
 | ||
|   verifyFormat("@{");
 | ||
|   verifyFormat("@{}");
 | ||
|   verifyFormat("@{ @\"one\" : @1 }");
 | ||
|   verifyFormat("return @{ @\"one\" : @1 };");
 | ||
|   verifyFormat("@{ @\"one\" : @1, }");
 | ||
| 
 | ||
|   verifyFormat("@{ @\"one\" : @{ @2 : @1 } }");
 | ||
|   verifyFormat("@{ @\"one\" : @{ @2 : @1 }, }");
 | ||
| 
 | ||
|   verifyFormat("@{ 1 > 2 ? @\"one\" : @\"two\" : 1 > 2 ? @1 : @2 }");
 | ||
|   verifyFormat("[self setDict:@{}");
 | ||
|   verifyFormat("[self setDict:@{ @1 : @2 }");
 | ||
|   verifyFormat("NSLog(@\"%@\", @{ @1 : @2, @2 : @3 }[@1]);");
 | ||
|   verifyFormat(
 | ||
|       "NSDictionary *masses = @{ @\"H\" : @1.0078, @\"He\" : @4.0026 };");
 | ||
|   verifyFormat(
 | ||
|       "NSDictionary *settings = @{ AVEncoderKey : @(AVAudioQualityMax) };");
 | ||
| 
 | ||
|   // FIXME: Nested and multi-line array and dictionary literals need more work.
 | ||
|   verifyFormat(
 | ||
|       "NSDictionary *d = @{ @\"nam\" : NSUserNam(), @\"dte\" : [NSDate date],\n"
 | ||
|       "                     @\"processInfo\" : [NSProcessInfo processInfo] };");
 | ||
|   verifyFormat(
 | ||
|       "@{ NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :\n"
 | ||
|       "   regularFont, };");
 | ||
| 
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ReformatRegionAdjustsIndent) {
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "{\n"
 | ||
|             "a;\n"
 | ||
|             "b;\n"
 | ||
|             "}\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "{\n"
 | ||
|                    "a;\n"
 | ||
|                    "     b;\n"
 | ||
|                    "}\n"
 | ||
|                    "}",
 | ||
|                    13, 2, getLLVMStyle()));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "{\n"
 | ||
|             "  a;\n"
 | ||
|             "b;\n"
 | ||
|             "}\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "{\n"
 | ||
|                    "     a;\n"
 | ||
|                    "b;\n"
 | ||
|                    "}\n"
 | ||
|                    "}",
 | ||
|                    9, 2, getLLVMStyle()));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "{\n"
 | ||
|             "public:\n"
 | ||
|             "  b;\n"
 | ||
|             "}\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "{\n"
 | ||
|                    "public:\n"
 | ||
|                    "     b;\n"
 | ||
|                    "}\n"
 | ||
|                    "}",
 | ||
|                    17, 2, getLLVMStyle()));
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "{\n"
 | ||
|             "a;\n"
 | ||
|             "}\n"
 | ||
|             "{\n"
 | ||
|             "  b; //\n"
 | ||
|             "}\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "{\n"
 | ||
|                    "a;\n"
 | ||
|                    "}\n"
 | ||
|                    "{\n"
 | ||
|                    "           b; //\n"
 | ||
|                    "}\n"
 | ||
|                    "}",
 | ||
|                    22, 2, getLLVMStyle()));
 | ||
|   EXPECT_EQ("  {\n"
 | ||
|             "    a; //\n"
 | ||
|             "  }",
 | ||
|             format("  {\n"
 | ||
|                    "a; //\n"
 | ||
|                    "  }",
 | ||
|                    4, 2, getLLVMStyle()));
 | ||
|   EXPECT_EQ("void f() {}\n"
 | ||
|             "void g() {}",
 | ||
|             format("void f() {}\n"
 | ||
|                    "void g() {}",
 | ||
|                    13, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("int a; // comment\n"
 | ||
|             "       // line 2\n"
 | ||
|             "int b;",
 | ||
|             format("int a; // comment\n"
 | ||
|                    "       // line 2\n"
 | ||
|                    "  int b;",
 | ||
|                    35, 0, getLLVMStyle()));
 | ||
|   EXPECT_EQ("  int a;\n"
 | ||
|             "  void\n"
 | ||
|             "  ffffff() {\n"
 | ||
|             "  }",
 | ||
|             format("  int a;\n"
 | ||
|                    "void ffffff() {}",
 | ||
|                    11, 0, getLLVMStyleWithColumns(11)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreakStringLiterals) {
 | ||
|   EXPECT_EQ("\"some text \"\n"
 | ||
|             "\"other\";",
 | ||
|             format("\"some text other\";", getLLVMStyleWithColumns(12)));
 | ||
|   EXPECT_EQ("\"some text \"\n"
 | ||
|             "\"other\";",
 | ||
|             format("\\\n\"some text other\";", getLLVMStyleWithColumns(12)));
 | ||
|   EXPECT_EQ(
 | ||
|       "#define A  \\\n"
 | ||
|       "  \"some \"  \\\n"
 | ||
|       "  \"text \"  \\\n"
 | ||
|       "  \"other\";",
 | ||
|       format("#define A \"some text other\";", getLLVMStyleWithColumns(12)));
 | ||
|   EXPECT_EQ(
 | ||
|       "#define A  \\\n"
 | ||
|       "  \"so \"    \\\n"
 | ||
|       "  \"text \"  \\\n"
 | ||
|       "  \"other\";",
 | ||
|       format("#define A \"so text other\";", getLLVMStyleWithColumns(12)));
 | ||
| 
 | ||
|   EXPECT_EQ("\"some text\"",
 | ||
|             format("\"some text\"", getLLVMStyleWithColumns(1)));
 | ||
|   EXPECT_EQ("\"some text\"",
 | ||
|             format("\"some text\"", getLLVMStyleWithColumns(11)));
 | ||
|   EXPECT_EQ("\"some \"\n"
 | ||
|             "\"text\"",
 | ||
|             format("\"some text\"", getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("\"some \"\n"
 | ||
|             "\"text\"",
 | ||
|             format("\"some text\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"some\"\n"
 | ||
|             "\" tex\"\n"
 | ||
|             "\"t\"",
 | ||
|             format("\"some text\"", getLLVMStyleWithColumns(6)));
 | ||
|   EXPECT_EQ("\"some\"\n"
 | ||
|             "\" tex\"\n"
 | ||
|             "\" and\"",
 | ||
|             format("\"some tex and\"", getLLVMStyleWithColumns(6)));
 | ||
|   EXPECT_EQ("\"some\"\n"
 | ||
|             "\"/tex\"\n"
 | ||
|             "\"/and\"",
 | ||
|             format("\"some/tex/and\"", getLLVMStyleWithColumns(6)));
 | ||
| 
 | ||
|   EXPECT_EQ("variable =\n"
 | ||
|             "    \"long string \"\n"
 | ||
|             "    \"literal\";",
 | ||
|             format("variable = \"long string literal\";",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| 
 | ||
|   EXPECT_EQ("variable = f(\n"
 | ||
|             "    \"long string \"\n"
 | ||
|             "    \"literal\",\n"
 | ||
|             "    short,\n"
 | ||
|             "    loooooooooooooooooooong);",
 | ||
|             format("variable = f(\"long string literal\", short, "
 | ||
|                    "loooooooooooooooooooong);",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| 
 | ||
|   EXPECT_EQ("f(g(\"long string \"\n"
 | ||
|             "    \"literal\"),\n"
 | ||
|             "  b);",
 | ||
|             format("f(g(\"long string literal\"), b);",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("f(g(\"long string \"\n"
 | ||
|             "    \"literal\",\n"
 | ||
|             "    a),\n"
 | ||
|             "  b);",
 | ||
|             format("f(g(\"long string literal\", a), b);",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ(
 | ||
|       "f(\"one two\".split(\n"
 | ||
|       "    variable));",
 | ||
|       format("f(\"one two\".split(variable));", getLLVMStyleWithColumns(20)));
 | ||
|   EXPECT_EQ("f(\"one two three four five six \"\n"
 | ||
|             "  \"seven\".split(\n"
 | ||
|             "      really_looooong_variable));",
 | ||
|             format("f(\"one two three four five six seven\"."
 | ||
|                    "split(really_looooong_variable));",
 | ||
|                    getLLVMStyleWithColumns(33)));
 | ||
| 
 | ||
|   EXPECT_EQ("f(\"some \"\n"
 | ||
|             "  \"text\",\n"
 | ||
|             "  other);",
 | ||
|             format("f(\"some text\", other);", getLLVMStyleWithColumns(10)));
 | ||
| 
 | ||
|   // Only break as a last resort.
 | ||
|   verifyFormat(
 | ||
|       "aaaaaaaaaaaaaaaaaaaa(\n"
 | ||
|       "    aaaaaaaaaaaaaaaaaaaa,\n"
 | ||
|       "    aaaaaa(\"aaa aaaaa aaa aaa aaaaa aaa aaaaa aaa aaa aaaaaa\"));");
 | ||
| 
 | ||
|   EXPECT_EQ(
 | ||
|       "\"splitmea\"\n"
 | ||
|       "\"trandomp\"\n"
 | ||
|       "\"oint\"",
 | ||
|       format("\"splitmeatrandompoint\"", getLLVMStyleWithColumns(10)));
 | ||
| 
 | ||
|   EXPECT_EQ(
 | ||
|       "\"split/\"\n"
 | ||
|       "\"pathat/\"\n"
 | ||
|       "\"slashes\"",
 | ||
|       format("\"split/pathat/slashes\"", getLLVMStyleWithColumns(10)));
 | ||
| 
 | ||
|   EXPECT_EQ(
 | ||
|       "\"split/\"\n"
 | ||
|       "\"pathat/\"\n"
 | ||
|       "\"slashes\"",
 | ||
|       format("\"split/pathat/slashes\"", getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("\"split at \"\n"
 | ||
|             "\"spaces/at/\"\n"
 | ||
|             "\"slashes.at.any$\"\n"
 | ||
|             "\"non-alphanumeric%\"\n"
 | ||
|             "\"1111111111characte\"\n"
 | ||
|             "\"rs\"",
 | ||
|             format("\"split at "
 | ||
|                    "spaces/at/"
 | ||
|                    "slashes.at."
 | ||
|                    "any$non-"
 | ||
|                    "alphanumeric%"
 | ||
|                    "1111111111characte"
 | ||
|                    "rs\"",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| 
 | ||
|   // Verify that splitting the strings understands
 | ||
|   // Style::AlwaysBreakBeforeMultilineStrings.
 | ||
|   EXPECT_EQ("aaaaaaaaaaaa(aaaaaaaaaaaaa,\n"
 | ||
|             "             \"aaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa \"\n"
 | ||
|             "             \"aaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa\");",
 | ||
|             format("aaaaaaaaaaaa(aaaaaaaaaaaaa, \"aaaaaaaaaaaaaaaaaaaaaa "
 | ||
|                    "aaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa "
 | ||
|                    "aaaaaaaaaaaaaaaaaaaaaa\");",
 | ||
|                    getGoogleStyle()));
 | ||
|   EXPECT_EQ("llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n"
 | ||
|             "                \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";",
 | ||
|             format("llvm::outs() << "
 | ||
|                    "\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa"
 | ||
|                    "aaaaaaaaaaaaaaaaaaa\";"));
 | ||
| 
 | ||
|   FormatStyle AlignLeft = getLLVMStyleWithColumns(12);
 | ||
|   AlignLeft.AlignEscapedNewlinesLeft = true;
 | ||
|   EXPECT_EQ(
 | ||
|       "#define A \\\n"
 | ||
|       "  \"some \" \\\n"
 | ||
|       "  \"text \" \\\n"
 | ||
|       "  \"other\";",
 | ||
|       format("#define A \"some text other\";", AlignLeft));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DontSplitStringLiteralsWithEscapedNewlines) {
 | ||
|   EXPECT_EQ("aaaaaaaaaaa =\n"
 | ||
|             "    \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|             "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|             "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";",
 | ||
|             format("aaaaaaaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|                    "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n"
 | ||
|                    "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SkipsUnknownStringLiterals) {
 | ||
|   EXPECT_EQ(
 | ||
|       "u8\"unsupported literal\";",
 | ||
|       format("u8\"unsupported literal\";", getGoogleStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("u\"unsupported literal\";",
 | ||
|             format("u\"unsupported literal\";", getGoogleStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("U\"unsupported literal\";",
 | ||
|             format("U\"unsupported literal\";", getGoogleStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("L\"unsupported literal\";",
 | ||
|             format("L\"unsupported literal\";", getGoogleStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("R\"x(raw literal)x\";",
 | ||
|             format("R\"x(raw literal)x\";", getGoogleStyleWithColumns(15)));
 | ||
|   verifyFormat("string a = \"unterminated;");
 | ||
|   EXPECT_EQ("function(\"unterminated,\n"
 | ||
|             "         OtherParameter);",
 | ||
|             format("function(  \"unterminated,\n"
 | ||
|                    "    OtherParameter);"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoesNotTryToParseUDLiteralsInPreCpp11Code) {
 | ||
|   EXPECT_EQ("#define x(_a) printf(\"foo\" _a);",
 | ||
|             format("#define x(_a) printf(\"foo\"_a);", getLLVMStyle()));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, BreakStringLiteralsBeforeUnbreakableTokenSequence) {
 | ||
|   EXPECT_EQ("someFunction(\"aaabbbcccd\"\n"
 | ||
|             "             \"ddeeefff\");",
 | ||
|             format("someFunction(\"aaabbbcccdddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("someFunction1234567890(\n"
 | ||
|             "    \"aaabbbcccdddeeefff\");",
 | ||
|             format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(26)));
 | ||
|   EXPECT_EQ("someFunction1234567890(\n"
 | ||
|             "    \"aaabbbcccdddeeeff\"\n"
 | ||
|             "    \"f\");",
 | ||
|             format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("someFunction1234567890(\n"
 | ||
|             "    \"aaabbbcccdddeeeff\"\n"
 | ||
|             "    \"f\");",
 | ||
|             format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(24)));
 | ||
|   EXPECT_EQ("someFunction(\n"
 | ||
|             "    \"aaabbbcc \"\n"
 | ||
|             "    \"dddeeefff\");",
 | ||
|             format("someFunction(\"aaabbbcc dddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("someFunction(\"aaabbbccc \"\n"
 | ||
|             "             \"ddeeefff\");",
 | ||
|             format("someFunction(\"aaabbbccc ddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("someFunction1234567890(\n"
 | ||
|             "    \"aaabb \"\n"
 | ||
|             "    \"cccdddeeefff\");",
 | ||
|             format("someFunction1234567890(\"aaabb cccdddeeefff\");",
 | ||
|                    getLLVMStyleWithColumns(25)));
 | ||
|   EXPECT_EQ("#define A          \\\n"
 | ||
|             "  string s =       \\\n"
 | ||
|             "      \"123456789\"  \\\n"
 | ||
|             "      \"0\";         \\\n"
 | ||
|             "  int i;",
 | ||
|             format("#define A string s = \"1234567890\"; int i;",
 | ||
|                    getLLVMStyleWithColumns(20)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoNotBreakStringLiteralsInEscapeSequence) {
 | ||
|   EXPECT_EQ("\"\\a\"",
 | ||
|             format("\"\\a\"", getLLVMStyleWithColumns(3)));
 | ||
|   EXPECT_EQ("\"\\\"",
 | ||
|             format("\"\\\"", getLLVMStyleWithColumns(2)));
 | ||
|   EXPECT_EQ("\"test\"\n"
 | ||
|             "\"\\n\"",
 | ||
|             format("\"test\\n\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"tes\\\\\"\n"
 | ||
|             "\"n\"",
 | ||
|             format("\"tes\\\\n\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"\\\\\\\\\"\n"
 | ||
|             "\"\\n\"",
 | ||
|             format("\"\\\\\\\\\\n\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"\\uff01\"",
 | ||
|             format("\"\\uff01\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"\\uff01\"\n"
 | ||
|             "\"test\"",
 | ||
|             format("\"\\uff01test\"", getLLVMStyleWithColumns(8)));
 | ||
|   EXPECT_EQ("\"\\Uff01ff02\"",
 | ||
|             format("\"\\Uff01ff02\"", getLLVMStyleWithColumns(11)));
 | ||
|   EXPECT_EQ("\"\\x000000000001\"\n"
 | ||
|             "\"next\"",
 | ||
|             format("\"\\x000000000001next\"", getLLVMStyleWithColumns(16)));
 | ||
|   EXPECT_EQ("\"\\x000000000001next\"",
 | ||
|             format("\"\\x000000000001next\"", getLLVMStyleWithColumns(15)));
 | ||
|   EXPECT_EQ("\"\\x000000000001\"",
 | ||
|             format("\"\\x000000000001\"", getLLVMStyleWithColumns(7)));
 | ||
|   EXPECT_EQ("\"test\"\n"
 | ||
|             "\"\\000000\"\n"
 | ||
|             "\"000001\"",
 | ||
|             format("\"test\\000000000001\"", getLLVMStyleWithColumns(9)));
 | ||
|   EXPECT_EQ("\"test\\000\"\n"
 | ||
|             "\"00000000\"\n"
 | ||
|             "\"1\"",
 | ||
|             format("\"test\\000000000001\"", getLLVMStyleWithColumns(10)));
 | ||
|   EXPECT_EQ("R\"(\\x\\x00)\"\n",
 | ||
|             format("R\"(\\x\\x00)\"\n", getGoogleStyleWithColumns(7)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, DoNotCreateUnreasonableUnwrappedLines) {
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "  return g() {}\n"
 | ||
|                "  void h() {}");
 | ||
|   verifyFormat("if (foo)\n"
 | ||
|                "  return { forgot_closing_brace();\n"
 | ||
|                "test();");
 | ||
|   verifyFormat("int a[] = { void forgot_closing_brace() { f();\n"
 | ||
|                "g();\n"
 | ||
|                "}");
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsClosingBracesInEmptyNestedBlocks) {
 | ||
|   verifyFormat("class X {\n"
 | ||
|                "  void f() {\n"
 | ||
|                "  }\n"
 | ||
|                "};",
 | ||
|                getLLVMStyleWithColumns(12));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConfigurableIndentWidth) {
 | ||
|   FormatStyle EightIndent = getLLVMStyleWithColumns(18);
 | ||
|   EightIndent.IndentWidth = 8;
 | ||
|   verifyFormat("void f() {\n"
 | ||
|                "        someFunction();\n"
 | ||
|                "        if (true) {\n"
 | ||
|                "                f();\n"
 | ||
|                "        }\n"
 | ||
|                "}",
 | ||
|                EightIndent);
 | ||
|   verifyFormat("class X {\n"
 | ||
|                "        void f() {\n"
 | ||
|                "        }\n"
 | ||
|                "};",
 | ||
|                EightIndent);
 | ||
|   verifyFormat("int x[] = {\n"
 | ||
|                "        call(),\n"
 | ||
|                "        call(),\n"
 | ||
|                "};",
 | ||
|                EightIndent);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConfigurableFunctionDeclarationIndentAfterType) {
 | ||
|   verifyFormat("void\n"
 | ||
|                "f();",
 | ||
|                getLLVMStyleWithColumns(8));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConfigurableUseOfTab) {
 | ||
|   FormatStyle Tab = getLLVMStyleWithColumns(42);
 | ||
|   Tab.IndentWidth = 8;
 | ||
|   Tab.UseTab = true;
 | ||
|   Tab.AlignEscapedNewlinesLeft = true;
 | ||
|   verifyFormat("class X {\n"
 | ||
|                "\tvoid f() {\n"
 | ||
|                "\t\tsomeFunction(parameter1,\n"
 | ||
|                "\t\t\t     parameter2);\n"
 | ||
|                "\t}\n"
 | ||
|                "};",
 | ||
|                Tab);
 | ||
|   verifyFormat("#define A                        \\\n"
 | ||
|                "\tvoid f() {               \\\n"
 | ||
|                "\t\tsomeFunction(    \\\n"
 | ||
|                "\t\t    parameter1,  \\\n"
 | ||
|                "\t\t    parameter2); \\\n"
 | ||
|                "\t}",
 | ||
|                Tab);
 | ||
| 
 | ||
| 
 | ||
|   // FIXME: To correctly count mixed whitespace we need to
 | ||
|   // also correctly count mixed whitespace in front of the comment.
 | ||
|   //
 | ||
|   // EXPECT_EQ("/*\n"
 | ||
|   //           "\t      a\t\tcomment\n"
 | ||
|   //           "\t      in multiple lines\n"
 | ||
|   //           "       */",
 | ||
|   //           format("   /*\t \t \n"
 | ||
|   //                  " \t \t a\t\tcomment\t \t\n"
 | ||
|   //                  " \t \t in multiple lines\t\n"
 | ||
|   //                  " \t  */",
 | ||
|   //                  Tab));
 | ||
|   // Tab.UseTab = false;
 | ||
|   // EXPECT_EQ("/*\n"
 | ||
|   //           "              a\t\tcomment\n"
 | ||
|   //           "              in multiple lines\n"
 | ||
|   //           "       */",
 | ||
|   //           format("   /*\t \t \n"
 | ||
|   //                  " \t \t a\t\tcomment\t \t\n"
 | ||
|   //                  " \t \t in multiple lines\t\n"
 | ||
|   //                  " \t  */",
 | ||
|   //                  Tab));
 | ||
|   // EXPECT_EQ("/* some\n"
 | ||
|   //           "   comment */",
 | ||
|   //          format(" \t \t /* some\n"
 | ||
|   //                 " \t \t    comment */",
 | ||
|   //                 Tab));
 | ||
| 
 | ||
|   EXPECT_EQ("{\n"
 | ||
|             "  /*\n"
 | ||
|             "   * Comment\n"
 | ||
|             "   */\n"
 | ||
|             "  int i;\n"
 | ||
|             "}",
 | ||
|             format("{\n"
 | ||
|                    "\t/*\n"
 | ||
|                    "\t * Comment\n"
 | ||
|                    "\t */\n"
 | ||
|                    "\t int i;\n"
 | ||
|                    "}"));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, LinuxBraceBreaking) {
 | ||
|   FormatStyle BreakBeforeBrace = getLLVMStyle();
 | ||
|   BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_Linux;
 | ||
|   verifyFormat("namespace a\n"
 | ||
|                "{\n"
 | ||
|                "class A\n"
 | ||
|                "{\n"
 | ||
|                "  void f()\n"
 | ||
|                "  {\n"
 | ||
|                "    if (true) {\n"
 | ||
|                "      a();\n"
 | ||
|                "      b();\n"
 | ||
|                "    }\n"
 | ||
|                "  }\n"
 | ||
|                "  void g()\n"
 | ||
|                "  {\n"
 | ||
|                "    return;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n"
 | ||
|                "}",
 | ||
|                BreakBeforeBrace);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, StroustrupBraceBreaking) {
 | ||
|   FormatStyle BreakBeforeBrace = getLLVMStyle();
 | ||
|   BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
 | ||
|   verifyFormat("namespace a {\n"
 | ||
|                "class A {\n"
 | ||
|                "  void f()\n"
 | ||
|                "  {\n"
 | ||
|                "    if (true) {\n"
 | ||
|                "      a();\n"
 | ||
|                "      b();\n"
 | ||
|                "    }\n"
 | ||
|                "  }\n"
 | ||
|                "  void g()\n"
 | ||
|                "  {\n"
 | ||
|                "    return;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n"
 | ||
|                "}",
 | ||
|                BreakBeforeBrace);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, AllmanBraceBreaking) {
 | ||
|   FormatStyle BreakBeforeBrace = getLLVMStyle();
 | ||
|   BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_Allman;
 | ||
|   verifyFormat("namespace a\n"
 | ||
|                "{\n"
 | ||
|                "class A\n"
 | ||
|                "{\n"
 | ||
|                "  void f()\n"
 | ||
|                "  {\n"
 | ||
|                "    if (true)\n"
 | ||
|                "    {\n"
 | ||
|                "      a();\n"
 | ||
|                "      b();\n"
 | ||
|                "    }\n"
 | ||
|                "  }\n"
 | ||
|                "  void g()\n"
 | ||
|                "  {\n"
 | ||
|                "    return;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n"
 | ||
|                "}",
 | ||
|                BreakBeforeBrace);
 | ||
| 
 | ||
|   verifyFormat("void f()\n"
 | ||
|                "{\n"
 | ||
|                "  if (true)\n"
 | ||
|                "  {\n"
 | ||
|                "    a();\n"
 | ||
|                "  }\n"
 | ||
|                "  else if (false)\n"
 | ||
|                "  {\n"
 | ||
|                "    b();\n"
 | ||
|                "  }\n"
 | ||
|                "  else\n"
 | ||
|                "  {\n"
 | ||
|                "    c();\n"
 | ||
|                "  }\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBrace);
 | ||
| 
 | ||
|   verifyFormat("void f()\n"
 | ||
|                "{\n"
 | ||
|                "  for (int i = 0; i < 10; ++i)\n"
 | ||
|                "  {\n"
 | ||
|                "    a();\n"
 | ||
|                "  }\n"
 | ||
|                "  while (false)\n"
 | ||
|                "  {\n"
 | ||
|                "    b();\n"
 | ||
|                "  }\n"
 | ||
|                "  do\n"
 | ||
|                "  {\n"
 | ||
|                "    c();\n"
 | ||
|                "  } while (false)\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBrace);
 | ||
| 
 | ||
|   verifyFormat("void f(int a)\n"
 | ||
|                "{\n"
 | ||
|                "  switch (a)\n"
 | ||
|                "  {\n"
 | ||
|                "  case 0:\n"
 | ||
|                "    break;\n"
 | ||
|                "  case 1:\n"
 | ||
|                "  {\n"
 | ||
|                "    break;\n"
 | ||
|                "  }\n"
 | ||
|                "  case 2:\n"
 | ||
|                "  {\n"
 | ||
|                "  }\n"
 | ||
|                "  break;\n"
 | ||
|                "  default:\n"
 | ||
|                "    break;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBrace);
 | ||
| 
 | ||
|   verifyFormat("enum X\n"
 | ||
|                "{\n"
 | ||
|                "  Y = 0,\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBrace);
 | ||
| 
 | ||
|   FormatStyle BreakBeforeBraceShortIfs = BreakBeforeBrace;
 | ||
|   BreakBeforeBraceShortIfs.AllowShortIfStatementsOnASingleLine = true;
 | ||
|   BreakBeforeBraceShortIfs.AllowShortLoopsOnASingleLine = true;
 | ||
|   verifyFormat("void f(bool b)\n"
 | ||
|                "{\n"
 | ||
|                "  if (b)\n"
 | ||
|                "  {\n"
 | ||
|                "    return;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBraceShortIfs);
 | ||
|   verifyFormat("void f(bool b)\n"
 | ||
|                "{\n"
 | ||
|                "  if (b) return;\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBraceShortIfs);
 | ||
|   verifyFormat("void f(bool b)\n"
 | ||
|                "{\n"
 | ||
|                "  while (b)\n"
 | ||
|                "  {\n"
 | ||
|                "    return;\n"
 | ||
|                "  }\n"
 | ||
|                "}\n",
 | ||
|                BreakBeforeBraceShortIfs);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, UnderstandsPragmas) {
 | ||
|   verifyFormat("#pragma omp reduction(| : var)");
 | ||
|   verifyFormat("#pragma omp reduction(+ : var)");
 | ||
| }
 | ||
| 
 | ||
| bool allStylesEqual(ArrayRef<FormatStyle> Styles) {
 | ||
|   for (size_t i = 1; i < Styles.size(); ++i)
 | ||
|     if (!(Styles[0] == Styles[i]))
 | ||
|       return false;
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, GetsPredefinedStyleByName) {
 | ||
|   FormatStyle Styles[3];
 | ||
| 
 | ||
|   Styles[0] = getLLVMStyle();
 | ||
|   EXPECT_TRUE(getPredefinedStyle("LLVM", &Styles[1]));
 | ||
|   EXPECT_TRUE(getPredefinedStyle("lLvM", &Styles[2]));
 | ||
|   EXPECT_TRUE(allStylesEqual(Styles));
 | ||
| 
 | ||
|   Styles[0] = getGoogleStyle();
 | ||
|   EXPECT_TRUE(getPredefinedStyle("Google", &Styles[1]));
 | ||
|   EXPECT_TRUE(getPredefinedStyle("gOOgle", &Styles[2]));
 | ||
|   EXPECT_TRUE(allStylesEqual(Styles));
 | ||
| 
 | ||
|   Styles[0] = getChromiumStyle();
 | ||
|   EXPECT_TRUE(getPredefinedStyle("Chromium", &Styles[1]));
 | ||
|   EXPECT_TRUE(getPredefinedStyle("cHRoMiUM", &Styles[2]));
 | ||
|   EXPECT_TRUE(allStylesEqual(Styles));
 | ||
| 
 | ||
|   Styles[0] = getMozillaStyle();
 | ||
|   EXPECT_TRUE(getPredefinedStyle("Mozilla", &Styles[1]));
 | ||
|   EXPECT_TRUE(getPredefinedStyle("moZILla", &Styles[2]));
 | ||
|   EXPECT_TRUE(allStylesEqual(Styles));
 | ||
| 
 | ||
|   Styles[0] = getWebKitStyle();
 | ||
|   EXPECT_TRUE(getPredefinedStyle("WebKit", &Styles[1]));
 | ||
|   EXPECT_TRUE(getPredefinedStyle("wEbKit", &Styles[2]));
 | ||
|   EXPECT_TRUE(allStylesEqual(Styles));
 | ||
| 
 | ||
|   EXPECT_FALSE(getPredefinedStyle("qwerty", &Styles[0]));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ParsesConfiguration) {
 | ||
|   FormatStyle Style = {};
 | ||
| #define CHECK_PARSE(TEXT, FIELD, VALUE)                                        \
 | ||
|   EXPECT_NE(VALUE, Style.FIELD);                                               \
 | ||
|   EXPECT_EQ(0, parseConfiguration(TEXT, &Style).value());                      \
 | ||
|   EXPECT_EQ(VALUE, Style.FIELD)
 | ||
| 
 | ||
| #define CHECK_PARSE_BOOL(FIELD)                                                \
 | ||
|   Style.FIELD = false;                                                         \
 | ||
|   EXPECT_EQ(0, parseConfiguration(#FIELD ": true", &Style).value());           \
 | ||
|   EXPECT_TRUE(Style.FIELD);                                                    \
 | ||
|   EXPECT_EQ(0, parseConfiguration(#FIELD ": false", &Style).value());          \
 | ||
|   EXPECT_FALSE(Style.FIELD);
 | ||
| 
 | ||
|   CHECK_PARSE_BOOL(AlignEscapedNewlinesLeft);
 | ||
|   CHECK_PARSE_BOOL(AlignTrailingComments);
 | ||
|   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
 | ||
|   CHECK_PARSE_BOOL(AllowShortIfStatementsOnASingleLine);
 | ||
|   CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine);
 | ||
|   CHECK_PARSE_BOOL(AlwaysBreakTemplateDeclarations);
 | ||
|   CHECK_PARSE_BOOL(BinPackParameters);
 | ||
|   CHECK_PARSE_BOOL(BreakBeforeBinaryOperators);
 | ||
|   CHECK_PARSE_BOOL(BreakConstructorInitializersBeforeComma);
 | ||
|   CHECK_PARSE_BOOL(ConstructorInitializerAllOnOneLineOrOnePerLine);
 | ||
|   CHECK_PARSE_BOOL(DerivePointerBinding);
 | ||
|   CHECK_PARSE_BOOL(IndentCaseLabels);
 | ||
|   CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
 | ||
|   CHECK_PARSE_BOOL(PointerBindsToType);
 | ||
|   CHECK_PARSE_BOOL(Cpp11BracedListStyle);
 | ||
|   CHECK_PARSE_BOOL(UseTab);
 | ||
|   CHECK_PARSE_BOOL(IndentFunctionDeclarationAfterType);
 | ||
| 
 | ||
|   CHECK_PARSE("AccessModifierOffset: -1234", AccessModifierOffset, -1234);
 | ||
|   CHECK_PARSE("ColumnLimit: 1234", ColumnLimit, 1234u);
 | ||
|   CHECK_PARSE("MaxEmptyLinesToKeep: 1234", MaxEmptyLinesToKeep, 1234u);
 | ||
|   CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
 | ||
|   CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
 | ||
|               PenaltyReturnTypeOnItsOwnLine, 1234u);
 | ||
|   CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
 | ||
|               SpacesBeforeTrailingComments, 1234u);
 | ||
|   CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
 | ||
| 
 | ||
|   Style.Standard = FormatStyle::LS_Auto;
 | ||
|   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
 | ||
|   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
 | ||
|   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
 | ||
| 
 | ||
|   Style.ColumnLimit = 123;
 | ||
|   FormatStyle BaseStyle = getLLVMStyle();
 | ||
|   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
 | ||
|   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
 | ||
| 
 | ||
|   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
 | ||
|   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
 | ||
|               FormatStyle::BS_Attach);
 | ||
|   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
 | ||
|               FormatStyle::BS_Linux);
 | ||
|   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
 | ||
|               FormatStyle::BS_Stroustrup);
 | ||
| 
 | ||
|   Style.NamespaceIndentation = FormatStyle::NI_All;
 | ||
|   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
 | ||
|               FormatStyle::NI_None);
 | ||
|   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
 | ||
|               FormatStyle::NI_Inner);
 | ||
|   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
 | ||
|               FormatStyle::NI_All);
 | ||
| 
 | ||
| #undef CHECK_PARSE
 | ||
| #undef CHECK_PARSE_BOOL
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, ConfigurationRoundTripTest) {
 | ||
|   FormatStyle Style = getLLVMStyle();
 | ||
|   std::string YAML = configurationAsText(Style);
 | ||
|   FormatStyle ParsedStyle = {};
 | ||
|   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
 | ||
|   EXPECT_EQ(Style, ParsedStyle);
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, WorksFor8bitEncodings) {
 | ||
|   EXPECT_EQ("\"\xce\xe4\xed\xe0\xe6\xe4\xfb \xe2 \"\n"
 | ||
|             "\"\xf1\xf2\xf3\xe4\xb8\xed\xf3\xfe \"\n"
 | ||
|             "\"\xe7\xe8\xec\xed\xfe\xfe \"\n"
 | ||
|             "\"\xef\xee\xf0\xf3...\"",
 | ||
|             format("\"\xce\xe4\xed\xe0\xe6\xe4\xfb \xe2 "
 | ||
|                    "\xf1\xf2\xf3\xe4\xb8\xed\xf3\xfe \xe7\xe8\xec\xed\xfe\xfe "
 | ||
|                    "\xef\xee\xf0\xf3...\"",
 | ||
|                    getLLVMStyleWithColumns(12)));
 | ||
| }
 | ||
| 
 | ||
| // FIXME: Encode Cyrillic and CJK characters below to appease MS compilers.
 | ||
| #if !defined(_MSC_VER)
 | ||
| 
 | ||
| TEST_F(FormatTest, CountsUTF8CharactersProperly) {
 | ||
|   verifyFormat("\"Однажды в студёную зимнюю пору...\"",
 | ||
|                getLLVMStyleWithColumns(35));
 | ||
|   verifyFormat("\"一 二 三 四 五 六 七 八 九 十\"",
 | ||
|                getLLVMStyleWithColumns(21));
 | ||
|   verifyFormat("// Однажды в студёную зимнюю пору...",
 | ||
|                getLLVMStyleWithColumns(36));
 | ||
|   verifyFormat("// 一 二 三 四 五 六 七 八 九 十",
 | ||
|                getLLVMStyleWithColumns(22));
 | ||
|   verifyFormat("/* Однажды в студёную зимнюю пору... */",
 | ||
|                getLLVMStyleWithColumns(39));
 | ||
|   verifyFormat("/* 一 二 三 四 五 六 七 八 九 十 */",
 | ||
|                getLLVMStyleWithColumns(25));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsUTF8Strings) {
 | ||
|   EXPECT_EQ(
 | ||
|       "\"Однажды, в \"\n"
 | ||
|       "\"студёную \"\n"
 | ||
|       "\"зимнюю \"\n"
 | ||
|       "\"пору,\"",
 | ||
|       format("\"Однажды, в студёную зимнюю пору,\"",
 | ||
|              getLLVMStyleWithColumns(13)));
 | ||
|   EXPECT_EQ("\"一 二 三 四 \"\n"
 | ||
|             "\"五 六 七 八 \"\n"
 | ||
|             "\"九 十\"",
 | ||
|             format("\"一 二 三 四 五 六 七 八 九 十\"",
 | ||
|                    getLLVMStyleWithColumns(10)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsUTF8LineComments) {
 | ||
|   EXPECT_EQ("// Я из лесу\n"
 | ||
|             "// вышел; был\n"
 | ||
|             "// сильный\n"
 | ||
|             "// мороз.",
 | ||
|             format("// Я из лесу вышел; был сильный мороз.",
 | ||
|                    getLLVMStyleWithColumns(13)));
 | ||
|   EXPECT_EQ("// 一二三\n"
 | ||
|             "// 四五六七\n"
 | ||
|             "// 八\n"
 | ||
|             "// 九 十",
 | ||
|             format("// 一二三 四五六七 八  九 十", getLLVMStyleWithColumns(6)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, SplitsUTF8BlockComments) {
 | ||
|   EXPECT_EQ("/* Гляжу,\n"
 | ||
|             " * поднимается\n"
 | ||
|             " * медленно в\n"
 | ||
|             " * гору\n"
 | ||
|             " * Лошадка,\n"
 | ||
|             " * везущая\n"
 | ||
|             " * хворосту\n"
 | ||
|             " * воз. */",
 | ||
|             format("/* Гляжу, поднимается медленно в гору\n"
 | ||
|                    " * Лошадка, везущая хворосту воз. */",
 | ||
|                    getLLVMStyleWithColumns(13)));
 | ||
|   EXPECT_EQ("/* 一二三\n"
 | ||
|             " * 四五六七\n"
 | ||
|             " * 八\n"
 | ||
|             " * 九 十\n"
 | ||
|             " */",
 | ||
|             format("/* 一二三 四五六七 八  九 十 */", getLLVMStyleWithColumns(6)));
 | ||
|   EXPECT_EQ("/* 𝓣𝓮𝓼𝓽 𝔣𝔬𝔲𝔯\n"
 | ||
|             " * 𝕓𝕪𝕥𝕖\n"
 | ||
|             " * 𝖀𝕿𝕱-𝟠 */",
 | ||
|             format("/* 𝓣𝓮𝓼𝓽 𝔣𝔬𝔲𝔯 𝕓𝕪𝕥𝕖 𝖀𝕿𝕱-𝟠 */", getLLVMStyleWithColumns(12)));
 | ||
| }
 | ||
| 
 | ||
| TEST_F(FormatTest, FormatsWithWebKitStyle) {
 | ||
|   FormatStyle Style = getWebKitStyle();
 | ||
| 
 | ||
|   // Don't indent in outer namespaces.
 | ||
|   verifyFormat("namespace outer {\n"
 | ||
|                "int i;\n"
 | ||
|                "namespace inner {\n"
 | ||
|                "    int i;\n"
 | ||
|                "} // namespace inner\n"
 | ||
|                "} // namespace outer\n"
 | ||
|                "namespace other_outer {\n"
 | ||
|                "int i;\n"
 | ||
|                "}",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Don't indent case labels.
 | ||
|   verifyFormat("switch (variable) {\n"
 | ||
|                "case 1:\n"
 | ||
|                "case 2:\n"
 | ||
|                "    doSomething();\n"
 | ||
|                "    break;\n"
 | ||
|                "default:\n"
 | ||
|                "    ++variable;\n"
 | ||
|                "}",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Wrap before binary operators.
 | ||
|   EXPECT_EQ(
 | ||
|       "void f()\n"
 | ||
|       "{\n"
 | ||
|       "    if (aaaaaaaaaaaaaaaa\n"
 | ||
|       "        && bbbbbbbbbbbbbbbbbbbbbbbb\n"
 | ||
|       "        && (cccccccccccccccccccccccccc || dddddddddddddddddddd))\n"
 | ||
|       "        return;\n"
 | ||
|       "}",
 | ||
|       format(
 | ||
|           "void f() {\n"
 | ||
|           "if (aaaaaaaaaaaaaaaa\n"
 | ||
|           "&& bbbbbbbbbbbbbbbbbbbbbbbb\n"
 | ||
|           "&& (cccccccccccccccccccccccccc || dddddddddddddddddddd))\n"
 | ||
|           "return;\n"
 | ||
|           "}",
 | ||
|           Style));
 | ||
| 
 | ||
|   // Constructor initializers are formatted one per line with the "," on the
 | ||
|   // new line.
 | ||
|   verifyFormat("Constructor()\n"
 | ||
|                "    : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
 | ||
|                "    , aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaa, // break\n"
 | ||
|                "                               aaaaaaaaaaaaaa)\n"
 | ||
|                "    , aaaaaaaaaaaaaaaaaaaaaaa()\n{\n}",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Access specifiers should be aligned left.
 | ||
|   verifyFormat("class C {\n"
 | ||
|                "public:\n"
 | ||
|                "    int i;\n"
 | ||
|                "};",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Do not align comments.
 | ||
|   verifyFormat("int a; // Do not\n"
 | ||
|                "double b; // align comments.",
 | ||
|                Style);
 | ||
| 
 | ||
|   // Accept input's line breaks.
 | ||
|   EXPECT_EQ("if (aaaaaaaaaaaaaaa\n"
 | ||
|             "    || bbbbbbbbbbbbbbb) {\n"
 | ||
|             "    i++;\n"
 | ||
|             "}",
 | ||
|             format("if (aaaaaaaaaaaaaaa\n"
 | ||
|                    "|| bbbbbbbbbbbbbbb) { i++; }",
 | ||
|                    Style));
 | ||
|   EXPECT_EQ("if (aaaaaaaaaaaaaaa || bbbbbbbbbbbbbbb) {\n"
 | ||
|             "    i++;\n"
 | ||
|             "}",
 | ||
|             format("if (aaaaaaaaaaaaaaa || bbbbbbbbbbbbbbb) { i++; }", Style));
 | ||
| }
 | ||
| 
 | ||
| #endif
 | ||
| 
 | ||
| } // end namespace tooling
 | ||
| } // end namespace clang
 |