1363 lines
47 KiB
C++
1363 lines
47 KiB
C++
//===- unittest/Format/FormatTestJS.cpp - Formatting unit tests for JS ----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "FormatTestUtils.h"
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#include "clang/Format/Format.h"
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#include "llvm/Support/Debug.h"
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#include "gtest/gtest.h"
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#define DEBUG_TYPE "format-test"
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namespace clang {
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namespace format {
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class FormatTestJS : public ::testing::Test {
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protected:
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static std::string format(llvm::StringRef Code, unsigned Offset,
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unsigned Length, const FormatStyle &Style) {
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DEBUG(llvm::errs() << "---\n");
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DEBUG(llvm::errs() << Code << "\n\n");
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std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
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bool IncompleteFormat = false;
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tooling::Replacements Replaces =
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reformat(Style, Code, Ranges, "<stdin>", &IncompleteFormat);
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EXPECT_FALSE(IncompleteFormat);
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std::string Result = applyAllReplacements(Code, Replaces);
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EXPECT_NE("", Result);
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DEBUG(llvm::errs() << "\n" << Result << "\n\n");
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return Result;
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}
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static std::string format(
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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return format(Code, 0, Code.size(), Style);
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}
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static FormatStyle getGoogleJSStyleWithColumns(unsigned ColumnLimit) {
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FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
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Style.ColumnLimit = ColumnLimit;
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return Style;
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}
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static void verifyFormat(
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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std::string Result = format(test::messUp(Code), Style);
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EXPECT_EQ(Code.str(), Result) << "Formatted:\n" << Result;
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}
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static void verifyFormat(
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llvm::StringRef Expected,
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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std::string Result = format(Code, Style);
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EXPECT_EQ(Expected.str(), Result) << "Formatted:\n" << Result;
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}
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};
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TEST_F(FormatTestJS, BlockComments) {
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verifyFormat("/* aaaaaaaaaaaaa */ aaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
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}
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TEST_F(FormatTestJS, UnderstandsJavaScriptOperators) {
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verifyFormat("a == = b;");
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verifyFormat("a != = b;");
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verifyFormat("a === b;");
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verifyFormat("aaaaaaa ===\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("a !== b;");
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verifyFormat("aaaaaaa !==\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("if (a + b + c +\n"
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" d !==\n"
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" e + f + g)\n"
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" q();",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("a >> >= b;");
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verifyFormat("a >>> b;");
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verifyFormat("aaaaaaa >>>\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("a >>>= b;");
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verifyFormat("aaaaaaa >>>=\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("if (a + b + c +\n"
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" d >>>\n"
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" e + f + g)\n"
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" q();",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("var x = aaaaaaaaaa ?\n"
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" bbbbbb :\n"
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" ccc;",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("var b = a.map((x) => x + 1);");
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verifyFormat("return ('aaa') in bbbb;");
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa() in\n"
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" aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
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FormatStyle Style = getGoogleJSStyleWithColumns(80);
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Style.AlignOperands = true;
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa() in\n"
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" aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
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Style);
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Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa()\n"
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" in aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
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Style);
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// ES6 spread operator.
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verifyFormat("someFunction(...a);");
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verifyFormat("var x = [1, ...a, 2];");
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}
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TEST_F(FormatTestJS, UnderstandsAmpAmp) {
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verifyFormat("e && e.SomeFunction();");
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}
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TEST_F(FormatTestJS, LiteralOperatorsCanBeKeywords) {
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verifyFormat("not.and.or.not_eq = 1;");
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}
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TEST_F(FormatTestJS, ReservedWords) {
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// JavaScript reserved words (aka keywords) are only illegal when used as
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// Identifiers, but are legal as IdentifierNames.
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verifyFormat("x.class.struct = 1;");
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verifyFormat("x.case = 1;");
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verifyFormat("x.interface = 1;");
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verifyFormat("x.for = 1;");
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verifyFormat("x.of() = 1;");
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verifyFormat("x.in() = 1;");
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verifyFormat("x.let() = 1;");
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verifyFormat("x.var() = 1;");
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verifyFormat("x = {\n"
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" a: 12,\n"
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" interface: 1,\n"
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" switch: 1,\n"
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"};");
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verifyFormat("var struct = 2;");
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verifyFormat("var union = 2;");
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verifyFormat("var interface = 2;");
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verifyFormat("interface = 2;");
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verifyFormat("x = interface instanceof y;");
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}
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TEST_F(FormatTestJS, CppKeywords) {
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// Make sure we don't mess stuff up because of C++ keywords.
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verifyFormat("return operator && (aa);");
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}
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TEST_F(FormatTestJS, ES6DestructuringAssignment) {
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verifyFormat("var [a, b, c] = [1, 2, 3];");
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verifyFormat("const [a, b, c] = [1, 2, 3];");
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verifyFormat("let [a, b, c] = [1, 2, 3];");
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verifyFormat("var {a, b} = {a: 1, b: 2};");
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verifyFormat("let {a, b} = {a: 1, b: 2};");
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}
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TEST_F(FormatTestJS, ContainerLiterals) {
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verifyFormat("var x = {y: function(a) { return a; }};");
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verifyFormat("return {\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("return {\n"
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" a: a,\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("return {\n"
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" a: a,\n"
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" link: function() {\n"
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" f(); //\n"
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" },\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("var stuff = {\n"
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" // comment for update\n"
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" update: false,\n"
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" // comment for modules\n"
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" modules: false,\n"
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" // comment for tasks\n"
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" tasks: false\n"
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"};");
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verifyFormat("return {\n"
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" 'finish':\n"
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" //\n"
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" a\n"
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"};");
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verifyFormat("var obj = {\n"
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" fooooooooo: function(x) {\n"
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" return x.zIsTooLongForOneLineWithTheDeclarationLine();\n"
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" }\n"
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"};");
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// Simple object literal, as opposed to enum style below.
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verifyFormat("var obj = {a: 123};");
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// Enum style top level assignment.
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verifyFormat("X = {\n a: 123\n};");
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verifyFormat("X.Y = {\n a: 123\n};");
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// But only on the top level, otherwise its a plain object literal assignment.
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verifyFormat("function x() {\n"
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" y = {z: 1};\n"
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"}");
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verifyFormat("x = foo && {a: 123};");
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// Arrow functions in object literals.
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verifyFormat("var x = {y: (a) => { return a; }};");
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verifyFormat("var x = {y: (a) => a};");
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// Computed keys.
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verifyFormat("var x = {[a]: 1, b: 2, [c]: 3};");
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verifyFormat("var x = {\n"
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" [a]: 1,\n"
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" b: 2,\n"
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" [c]: 3,\n"
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"};");
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// Object literals can leave out labels.
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verifyFormat("f({a}, () => {\n"
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" g(); //\n"
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"});");
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// Keys can be quoted.
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verifyFormat("var x = {\n"
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" a: a,\n"
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" b: b,\n"
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" 'c': c,\n"
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"};");
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}
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TEST_F(FormatTestJS, MethodsInObjectLiterals) {
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verifyFormat("var o = {\n"
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" value: 'test',\n"
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" get value() { // getter\n"
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" return this.value;\n"
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" }\n"
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"};");
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verifyFormat("var o = {\n"
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" value: 'test',\n"
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" set value(val) { // setter\n"
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" this.value = val;\n"
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" }\n"
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"};");
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verifyFormat("var o = {\n"
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" value: 'test',\n"
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" someMethod(val) { // method\n"
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" doSomething(this.value + val);\n"
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" }\n"
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"};");
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verifyFormat("var o = {\n"
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" someMethod(val) { // method\n"
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" doSomething(this.value + val);\n"
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" },\n"
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" someOtherMethod(val) { // method\n"
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" doSomething(this.value + val);\n"
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" }\n"
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"};");
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}
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TEST_F(FormatTestJS, SpacesInContainerLiterals) {
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verifyFormat("var arr = [1, 2, 3];");
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verifyFormat("f({a: 1, b: 2, c: 3});");
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verifyFormat("var object_literal_with_long_name = {\n"
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" a: 'aaaaaaaaaaaaaaaaaa',\n"
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" b: 'bbbbbbbbbbbbbbbbbb'\n"
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"};");
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verifyFormat("f({a: 1, b: 2, c: 3});",
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getChromiumStyle(FormatStyle::LK_JavaScript));
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verifyFormat("f({'a': [{}]});");
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}
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TEST_F(FormatTestJS, SingleQuotedStrings) {
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verifyFormat("this.function('', true);");
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}
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TEST_F(FormatTestJS, GoogScopes) {
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verifyFormat("goog.scope(function() {\n"
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"var x = a.b;\n"
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"var y = c.d;\n"
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"}); // goog.scope");
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verifyFormat("goog.scope(function() {\n"
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"// test\n"
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"var x = 0;\n"
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"// test\n"
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"});");
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}
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TEST_F(FormatTestJS, GoogModules) {
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verifyFormat("goog.module('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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verifyFormat("goog.require('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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verifyFormat("goog.provide('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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verifyFormat("var long = goog.require('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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verifyFormat("goog.setTestOnly('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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verifyFormat("goog.forwardDeclare('this.is.really.absurdly.long');",
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getGoogleJSStyleWithColumns(40));
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// These should be wrapped normally.
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verifyFormat(
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"var MyLongClassName =\n"
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" goog.module.get('my.long.module.name.followedBy.MyLongClassName');");
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}
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TEST_F(FormatTestJS, FormatsNamespaces) {
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verifyFormat("namespace Foo {\n"
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" export let x = 1;\n"
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"}\n");
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verifyFormat("declare namespace Foo {\n"
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" export let x: number;\n"
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"}\n");
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}
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TEST_F(FormatTestJS, FormatsFreestandingFunctions) {
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verifyFormat("function outer1(a, b) {\n"
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" function inner1(a, b) { return a; }\n"
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" inner1(a, b);\n"
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"}\n"
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"function outer2(a, b) {\n"
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" function inner2(a, b) { return a; }\n"
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" inner2(a, b);\n"
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"}");
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verifyFormat("function f() {}");
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}
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TEST_F(FormatTestJS, GeneratorFunctions) {
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verifyFormat("function* f() {\n"
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" let x = 1;\n"
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" yield x;\n"
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" yield* something();\n"
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"}");
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verifyFormat("function*\n"
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" f() {\n"
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"}",
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getGoogleJSStyleWithColumns(8));
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verifyFormat("export function* f() {\n"
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" yield 1;\n"
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"}\n");
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verifyFormat("class X {\n"
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" * generatorMethod() { yield x; }\n"
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"}");
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}
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TEST_F(FormatTestJS, AsyncFunctions) {
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verifyFormat("async function f() {\n"
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" let x = 1;\n"
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" return fetch(x);\n"
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"}");
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verifyFormat("async function* f() {\n"
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" yield fetch(x);\n"
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"}");
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verifyFormat("export async function f() {\n"
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" return fetch(x);\n"
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"}");
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verifyFormat("class X {\n"
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" async asyncMethod() { return fetch(1); }\n"
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"}");
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verifyFormat("function initialize() {\n"
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" // Comment.\n"
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" return async.then();\n"
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"}\n");
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}
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TEST_F(FormatTestJS, ArrayLiterals) {
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verifyFormat("var aaaaa: List<SomeThing> =\n"
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" [new SomeThingAAAAAAAAAAAA(), new SomeThingBBBBBBBBB()];");
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verifyFormat("return [\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
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" ccccccccccccccccccccccccccc\n"
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"];");
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verifyFormat("return [\n"
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" aaaa().bbbbbbbb('A'),\n"
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" aaaa().bbbbbbbb('B'),\n"
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" aaaa().bbbbbbbb('C'),\n"
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"];");
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verifyFormat("var someVariable = SomeFunction([\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
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" ccccccccccccccccccccccccccc\n"
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"]);");
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verifyFormat("var someVariable = SomeFunction([\n"
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" [aaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbb],\n"
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"]);",
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getGoogleJSStyleWithColumns(51));
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verifyFormat("var someVariable = SomeFunction(aaaa, [\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
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" ccccccccccccccccccccccccccc\n"
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"]);");
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verifyFormat("var someVariable = SomeFunction(\n"
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" aaaa,\n"
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" [\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
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" cccccccccccccccccccccccccc\n"
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" ],\n"
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" aaaa);");
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verifyFormat("var aaaa = aaaaa || // wrap\n"
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" [];");
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verifyFormat("someFunction([], {a: a});");
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}
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TEST_F(FormatTestJS, ColumnLayoutForArrayLiterals) {
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verifyFormat("var array = [\n"
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" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
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" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
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"];");
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verifyFormat("var array = someFunction([\n"
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" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
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" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
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"]);");
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}
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TEST_F(FormatTestJS, FunctionLiterals) {
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verifyFormat("doFoo(function() {});");
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verifyFormat("doFoo(function() { return 1; });");
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verifyFormat("var func = function() {\n"
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" return 1;\n"
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"};");
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verifyFormat("var func = //\n"
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" function() {\n"
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" return 1;\n"
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"};");
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verifyFormat("return {\n"
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" body: {\n"
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" setAttribute: function(key, val) { this[key] = val; },\n"
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" getAttribute: function(key) { return this[key]; },\n"
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" style: {direction: ''}\n"
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" }\n"
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"};");
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verifyFormat("abc = xyz ? function() {\n"
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" return 1;\n"
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"} : function() {\n"
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" return -1;\n"
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"};");
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verifyFormat("var closure = goog.bind(\n"
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" function() { // comment\n"
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" foo();\n"
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" bar();\n"
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" },\n"
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" this, arg1IsReallyLongAndNeeedsLineBreaks,\n"
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" arg3IsReallyLongAndNeeedsLineBreaks);");
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verifyFormat("var closure = goog.bind(function() { // comment\n"
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" foo();\n"
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" bar();\n"
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"}, this);");
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verifyFormat("return {\n"
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" a: 'E',\n"
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" b: function() {\n"
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" return function() {\n"
|
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" f(); //\n"
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" };\n"
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" }\n"
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"};");
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verifyFormat("{\n"
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" var someVariable = function(x) {\n"
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" return x.zIsTooLongForOneLineWithTheDeclarationLine();\n"
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" };\n"
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"}");
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verifyFormat("someLooooooooongFunction(\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
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" function(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
|
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" // code\n"
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" });");
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verifyFormat("f({a: function() { return 1; }});",
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getGoogleJSStyleWithColumns(33));
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verifyFormat("f({\n"
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" a: function() { return 1; }\n"
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"});",
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getGoogleJSStyleWithColumns(32));
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verifyFormat("return {\n"
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" a: function SomeFunction() {\n"
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" // ...\n"
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" return 1;\n"
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" }\n"
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"};");
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verifyFormat("this.someObject.doSomething(aaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
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" .then(goog.bind(function(aaaaaaaaaaa) {\n"
|
|
" someFunction();\n"
|
|
" someFunction();\n"
|
|
" }, this), aaaaaaaaaaaaaaaaa);");
|
|
|
|
verifyFormat("someFunction(goog.bind(function() {\n"
|
|
" doSomething();\n"
|
|
" doSomething();\n"
|
|
"}, this), goog.bind(function() {\n"
|
|
" doSomething();\n"
|
|
" doSomething();\n"
|
|
"}, this));");
|
|
|
|
// FIXME: This is bad, we should be wrapping before "function() {".
|
|
verifyFormat("someFunction(function() {\n"
|
|
" doSomething(); // break\n"
|
|
"})\n"
|
|
" .doSomethingElse(\n"
|
|
" // break\n"
|
|
" );");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, InliningFunctionLiterals) {
|
|
FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("var func = doSomething(function() { return 1; });", Style);
|
|
verifyFormat("var outer = function() {\n"
|
|
" var inner = function() { return 1; }\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) { return a; }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All;
|
|
verifyFormat("var func = function() { return 1; };", Style);
|
|
verifyFormat("var func = doSomething(function() { return 1; });", Style);
|
|
verifyFormat(
|
|
"var outer = function() { var inner = function() { return 1; } };",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) { return a; }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("var func = doSomething(function() {\n"
|
|
" return 1;\n"
|
|
"});",
|
|
Style);
|
|
verifyFormat("var outer = function() {\n"
|
|
" var inner = function() {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, MultipleFunctionLiterals) {
|
|
verifyFormat("promise.then(\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" },\n"
|
|
" []);\n");
|
|
verifyFormat("promise.then(\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" [],\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" });\n");
|
|
verifyFormat("promise.then(\n"
|
|
" [],\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" });\n");
|
|
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) { body(); })\n"
|
|
" .thenCatch(function(error) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" });");
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" })\n"
|
|
" .thenCatch(function(error) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" });");
|
|
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) { body(); })\n"
|
|
" .thenCatch(function(error) { body(); });");
|
|
|
|
verifyFormat("return [aaaaaaaaaaaaaaaaaaaaaa]\n"
|
|
" .aaaaaaa(function() {\n"
|
|
" //\n"
|
|
" })\n"
|
|
" .bbbbbb();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ArrowFunctions) {
|
|
verifyFormat("var x = (a) => {\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a) => {\n"
|
|
" function y() { return 42; }\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a: type): {some: type} => {\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a) => a;");
|
|
verifyFormat("return () => [];");
|
|
verifyFormat("var aaaaaaaaaaaaaaaaaaaa = {\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaa:\n"
|
|
" (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) =>\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
"};");
|
|
verifyFormat("var a = a.aaaaaaa(\n"
|
|
" (a: a) => aaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbb) &&\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbb));");
|
|
verifyFormat("var a = a.aaaaaaa(\n"
|
|
" (a: a) => aaaaaaaaaaaaaaaaaaaaa(bbbbbbbbb) ?\n"
|
|
" aaaaaaaaaaaaaaaaaaaaa(bbbbbbb) :\n"
|
|
" aaaaaaaaaaaaaaaaaaaaa(bbbbbbb));");
|
|
|
|
// FIXME: This is bad, we should be wrapping before "() => {".
|
|
verifyFormat("someFunction(() => {\n"
|
|
" doSomething(); // break\n"
|
|
"})\n"
|
|
" .doSomethingElse(\n"
|
|
" // break\n"
|
|
" );");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ReturnStatements) {
|
|
verifyFormat("function() {\n"
|
|
" return [hello, world];\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ForLoops) {
|
|
verifyFormat("for (var i in [2, 3]) {\n"
|
|
"}");
|
|
verifyFormat("for (var i of [2, 3]) {\n"
|
|
"}");
|
|
verifyFormat("for (let {a, b} of x) {\n"
|
|
"}");
|
|
verifyFormat("for (let {a, b} in x) {\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, WrapRespectsAutomaticSemicolonInsertion) {
|
|
// The following statements must not wrap, as otherwise the program meaning
|
|
// would change due to automatic semicolon insertion.
|
|
// See http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1.
|
|
verifyFormat("return aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("continue aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("break aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("throw aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("aaaaaaaaa++;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("aaaaaaaaa--;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("return [\n"
|
|
" aaa\n"
|
|
"];",
|
|
getGoogleJSStyleWithColumns(12));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, AutomaticSemicolonInsertionHeuristic) {
|
|
verifyFormat("a\n"
|
|
"b;",
|
|
" a \n"
|
|
" b ;");
|
|
verifyFormat("a()\n"
|
|
"b;",
|
|
" a ()\n"
|
|
" b ;");
|
|
verifyFormat("a[b]\n"
|
|
"c;",
|
|
"a [b]\n"
|
|
"c ;");
|
|
verifyFormat("1\n"
|
|
"a;",
|
|
"1 \n"
|
|
"a ;");
|
|
verifyFormat("a\n"
|
|
"1;",
|
|
"a \n"
|
|
"1 ;");
|
|
verifyFormat("a\n"
|
|
"'x';",
|
|
"a \n"
|
|
" 'x';");
|
|
verifyFormat("a++\n"
|
|
"b;",
|
|
"a ++\n"
|
|
"b ;");
|
|
verifyFormat("a\n"
|
|
"!b && c;",
|
|
"a \n"
|
|
" ! b && c;");
|
|
verifyFormat("a\n"
|
|
"if (1) f();",
|
|
" a\n"
|
|
" if (1) f();");
|
|
verifyFormat("a\n"
|
|
"class X {}",
|
|
" a\n"
|
|
" class X {}");
|
|
verifyFormat("var a", "var\n"
|
|
"a");
|
|
verifyFormat("x instanceof String", "x\n"
|
|
"instanceof\n"
|
|
"String");
|
|
verifyFormat("function f(@Foo bar) {}", "function f(@Foo\n"
|
|
" bar) {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ClosureStyleCasts) {
|
|
verifyFormat("var x = /** @type {foo} */ (bar);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TryCatch) {
|
|
verifyFormat("try {\n"
|
|
" f();\n"
|
|
"} catch (e) {\n"
|
|
" g();\n"
|
|
"} finally {\n"
|
|
" h();\n"
|
|
"}");
|
|
|
|
// But, of course, "catch" is a perfectly fine function name in JavaScript.
|
|
verifyFormat("someObject.catch();");
|
|
verifyFormat("someObject.new();");
|
|
verifyFormat("someObject.delete();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, StringLiteralConcatenation) {
|
|
verifyFormat("var literal = 'hello ' +\n"
|
|
" 'world';");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralClassification) {
|
|
// Regex literals.
|
|
verifyFormat("var regex = /abc/;");
|
|
verifyFormat("f(/abc/);");
|
|
verifyFormat("f(abc, /abc/);");
|
|
verifyFormat("some_map[/abc/];");
|
|
verifyFormat("var x = a ? /abc/ : /abc/;");
|
|
verifyFormat("for (var i = 0; /abc/.test(s[i]); i++) {\n}");
|
|
verifyFormat("var x = !/abc/.test(y);");
|
|
verifyFormat("var x = a && /abc/.test(y);");
|
|
verifyFormat("var x = a || /abc/.test(y);");
|
|
verifyFormat("var x = a + /abc/.search(y);");
|
|
verifyFormat("/abc/.search(y);");
|
|
verifyFormat("var regexs = {/abc/, /abc/};");
|
|
verifyFormat("return /abc/;");
|
|
|
|
// Not regex literals.
|
|
verifyFormat("var a = a / 2 + b / 3;");
|
|
verifyFormat("var a = a++ / 2;");
|
|
// Prefix unary can operate on regex literals, not that it makes sense.
|
|
verifyFormat("var a = ++/a/;");
|
|
|
|
// This is a known issue, regular expressions are incorrectly detected if
|
|
// directly following a closing parenthesis.
|
|
verifyFormat("if (foo) / bar /.exec(baz);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralSpecialCharacters) {
|
|
verifyFormat("var regex = /=/;");
|
|
verifyFormat("var regex = /a*/;");
|
|
verifyFormat("var regex = /a+/;");
|
|
verifyFormat("var regex = /a?/;");
|
|
verifyFormat("var regex = /.a./;");
|
|
verifyFormat("var regex = /a\\*/;");
|
|
verifyFormat("var regex = /^a$/;");
|
|
verifyFormat("var regex = /\\/a/;");
|
|
verifyFormat("var regex = /(?:x)/;");
|
|
verifyFormat("var regex = /x(?=y)/;");
|
|
verifyFormat("var regex = /x(?!y)/;");
|
|
verifyFormat("var regex = /x|y/;");
|
|
verifyFormat("var regex = /a{2}/;");
|
|
verifyFormat("var regex = /a{1,3}/;");
|
|
|
|
verifyFormat("var regex = /[abc]/;");
|
|
verifyFormat("var regex = /[^abc]/;");
|
|
verifyFormat("var regex = /[\\b]/;");
|
|
verifyFormat("var regex = /[/]/;");
|
|
verifyFormat("var regex = /[\\/]/;");
|
|
verifyFormat("var regex = /\\[/;");
|
|
verifyFormat("var regex = /\\\\[/]/;");
|
|
verifyFormat("var regex = /}[\"]/;");
|
|
verifyFormat("var regex = /}[/\"]/;");
|
|
verifyFormat("var regex = /}[\"/]/;");
|
|
|
|
verifyFormat("var regex = /\\b/;");
|
|
verifyFormat("var regex = /\\B/;");
|
|
verifyFormat("var regex = /\\d/;");
|
|
verifyFormat("var regex = /\\D/;");
|
|
verifyFormat("var regex = /\\f/;");
|
|
verifyFormat("var regex = /\\n/;");
|
|
verifyFormat("var regex = /\\r/;");
|
|
verifyFormat("var regex = /\\s/;");
|
|
verifyFormat("var regex = /\\S/;");
|
|
verifyFormat("var regex = /\\t/;");
|
|
verifyFormat("var regex = /\\v/;");
|
|
verifyFormat("var regex = /\\w/;");
|
|
verifyFormat("var regex = /\\W/;");
|
|
verifyFormat("var regex = /a(a)\\1/;");
|
|
verifyFormat("var regex = /\\0/;");
|
|
verifyFormat("var regex = /\\\\/g;");
|
|
verifyFormat("var regex = /\\a\\\\/g;");
|
|
verifyFormat("var regex = /\a\\//g;");
|
|
verifyFormat("var regex = /a\\//;\n"
|
|
"var x = 0;");
|
|
verifyFormat("var regex = /'/g;", "var regex = /'/g ;");
|
|
verifyFormat("var regex = /'/g; //'", "var regex = /'/g ; //'");
|
|
verifyFormat("var regex = /\\/*/;\n"
|
|
"var x = 0;",
|
|
"var regex = /\\/*/;\n"
|
|
"var x=0;");
|
|
verifyFormat("var x = /a\\//;", "var x = /a\\// \n;");
|
|
verifyFormat("var regex = /\"/;", getGoogleJSStyleWithColumns(16));
|
|
verifyFormat("var regex =\n"
|
|
" /\"/;",
|
|
getGoogleJSStyleWithColumns(15));
|
|
verifyFormat("var regex = //\n"
|
|
" /a/;");
|
|
verifyFormat("var regexs = [\n"
|
|
" /d/, //\n"
|
|
" /aa/, //\n"
|
|
"];");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralModifiers) {
|
|
verifyFormat("var regex = /abc/g;");
|
|
verifyFormat("var regex = /abc/i;");
|
|
verifyFormat("var regex = /abc/m;");
|
|
verifyFormat("var regex = /abc/y;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralLength) {
|
|
verifyFormat("var regex = /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(60));
|
|
verifyFormat("var regex =\n"
|
|
" /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(60));
|
|
verifyFormat("var regex = /\\xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(50));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralExamples) {
|
|
verifyFormat("var regex = search.match(/(?:\?|&)times=([^?&]+)/i);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeAnnotations) {
|
|
verifyFormat("var x: string;");
|
|
verifyFormat("var x: {a: string; b: number;} = {};");
|
|
verifyFormat("function x(): string {\n return 'x';\n}");
|
|
verifyFormat("function x(): {x: string} {\n return {x: 'x'};\n}");
|
|
verifyFormat("function x(y: string): string {\n return 'x';\n}");
|
|
verifyFormat("for (var y: string in x) {\n x();\n}");
|
|
verifyFormat("for (var y: string of x) {\n x();\n}");
|
|
verifyFormat("function x(y: {a?: number;} = {}): number {\n"
|
|
" return 12;\n"
|
|
"}");
|
|
verifyFormat("((a: string, b: number): string => a + b);");
|
|
verifyFormat("var x: (y: number) => string;");
|
|
verifyFormat("var x: P<string, (a: number) => string>;");
|
|
verifyFormat("var x = {y: function(): z { return 1; }};");
|
|
verifyFormat("var x = {y: function(): {a: number} { return 1; }};");
|
|
verifyFormat("function someFunc(args: string[]):\n"
|
|
" {longReturnValue: string[]} {}",
|
|
getGoogleJSStyleWithColumns(60));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, UnionIntersectionTypes) {
|
|
verifyFormat("let x: A|B = A | B;");
|
|
verifyFormat("let x: A&B|C = A & B;");
|
|
verifyFormat("let x: Foo<A|B> = new Foo<A|B>();");
|
|
verifyFormat("function(x: A|B): C&D {}");
|
|
verifyFormat("function(x: A|B = A | B): C&D {}");
|
|
verifyFormat("function x(path: number|string) {}");
|
|
verifyFormat("function x(): string|number {}");
|
|
verifyFormat("type Foo = Bar|Baz;");
|
|
verifyFormat("type Foo = Bar<X>|Baz;");
|
|
verifyFormat("type Foo = (Bar<X>|Baz);");
|
|
verifyFormat("let x: Bar|Baz;");
|
|
verifyFormat("let x: Bar<X>|Baz;");
|
|
verifyFormat("let x: (Foo|Bar)[];");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ClassDeclarations) {
|
|
verifyFormat("class C {\n x: string = 12;\n}");
|
|
verifyFormat("class C {\n x(): string => 12;\n}");
|
|
verifyFormat("class C {\n ['x' + 2]: string = 12;\n}");
|
|
verifyFormat("class C {\n private x: string = 12;\n}");
|
|
verifyFormat("class C {\n private static x: string = 12;\n}");
|
|
verifyFormat("class C {\n static x(): string { return 'asd'; }\n}");
|
|
verifyFormat("class C extends P implements I {}");
|
|
verifyFormat("class C extends p.P implements i.I {}");
|
|
verifyFormat("class Test {\n"
|
|
" aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaa):\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaa {}\n"
|
|
"}");
|
|
verifyFormat("foo = class Name {\n"
|
|
" constructor() {}\n"
|
|
"};");
|
|
verifyFormat("foo = class {\n"
|
|
" constructor() {}\n"
|
|
"};");
|
|
verifyFormat("class C {\n"
|
|
" x: {y: Z;} = {};\n"
|
|
" private y: {y: Z;} = {};\n"
|
|
"}");
|
|
|
|
// ':' is not a type declaration here.
|
|
verifyFormat("class X {\n"
|
|
" subs = {\n"
|
|
" 'b': {\n"
|
|
" 'c': 1,\n"
|
|
" },\n"
|
|
" };\n"
|
|
"}");
|
|
verifyFormat("@Component({\n"
|
|
" moduleId: module.id,\n"
|
|
"})\n"
|
|
"class SessionListComponent implements OnDestroy, OnInit {\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, InterfaceDeclarations) {
|
|
verifyFormat("interface I {\n"
|
|
" x: string;\n"
|
|
" enum: string[];\n"
|
|
" enum?: string[];\n"
|
|
"}\n"
|
|
"var y;");
|
|
// Ensure that state is reset after parsing the interface.
|
|
verifyFormat("interface a {}\n"
|
|
"export function b() {}\n"
|
|
"var x;");
|
|
|
|
// Arrays of object type literals.
|
|
verifyFormat("interface I {\n"
|
|
" o: {}[];\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, EnumDeclarations) {
|
|
verifyFormat("enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
verifyFormat("export /* somecomment*/ enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
verifyFormat("enum Foo {\n"
|
|
" A = 1, // comment\n"
|
|
" B\n"
|
|
"}\n"
|
|
"var x = 1;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, MetadataAnnotations) {
|
|
verifyFormat("@A\nclass C {\n}");
|
|
verifyFormat("@A({arg: 'value'})\nclass C {\n}");
|
|
verifyFormat("@A\n@B\nclass C {\n}");
|
|
verifyFormat("class C {\n @A x: string;\n}");
|
|
verifyFormat("class C {\n"
|
|
" @A\n"
|
|
" private x(): string {\n"
|
|
" return 'y';\n"
|
|
" }\n"
|
|
"}");
|
|
verifyFormat("class C {\n"
|
|
" private x(@A x: string) {}\n"
|
|
"}");
|
|
verifyFormat("class X {}\n"
|
|
"class Y {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeAliases) {
|
|
verifyFormat("type X = number;\n"
|
|
"class C {}");
|
|
verifyFormat("type X<Y> = Z<Y>;");
|
|
verifyFormat("type X = {\n"
|
|
" y: number\n"
|
|
"};\n"
|
|
"class C {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Modules) {
|
|
verifyFormat("import SomeThing from 'some/module.js';");
|
|
verifyFormat("import {X, Y} from 'some/module.js';");
|
|
verifyFormat("import a, {X, Y} from 'some/module.js';");
|
|
verifyFormat("import {X, Y,} from 'some/module.js';");
|
|
verifyFormat("import {X as myLocalX, Y as myLocalY} from 'some/module.js';");
|
|
// Ensure Automatic Semicolon Insertion does not break on "as\n".
|
|
verifyFormat("import {X as myX} from 'm';", "import {X as\n"
|
|
" myX} from 'm';");
|
|
verifyFormat("import * as lib from 'some/module.js';");
|
|
verifyFormat("var x = {import: 1};\nx.import = 2;");
|
|
|
|
verifyFormat("export function fn() {\n"
|
|
" return 'fn';\n"
|
|
"}");
|
|
verifyFormat("export function A() {}\n"
|
|
"export default function B() {}\n"
|
|
"export function C() {}");
|
|
verifyFormat("export default () => {\n"
|
|
" let x = 1;\n"
|
|
" return x;\n"
|
|
"}");
|
|
verifyFormat("export const x = 12;");
|
|
verifyFormat("export default class X {}");
|
|
verifyFormat("export {X, Y} from 'some/module.js';");
|
|
verifyFormat("export {X, Y,} from 'some/module.js';");
|
|
verifyFormat("export {SomeVeryLongExport as X, "
|
|
"SomeOtherVeryLongExport as Y} from 'some/module.js';");
|
|
// export without 'from' is wrapped.
|
|
verifyFormat("export let someRatherLongVariableName =\n"
|
|
" someSurprisinglyLongVariable + someOtherRatherLongVar;");
|
|
// ... but not if from is just an identifier.
|
|
verifyFormat("export {\n"
|
|
" from as from,\n"
|
|
" someSurprisinglyLongVariable as\n"
|
|
" from\n"
|
|
"};",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("export class C {\n"
|
|
" x: number;\n"
|
|
" y: string;\n"
|
|
"}");
|
|
verifyFormat("export class X { y: number; }");
|
|
verifyFormat("export abstract class X { y: number; }");
|
|
verifyFormat("export default class X { y: number }");
|
|
verifyFormat("export default function() {\n return 1;\n}");
|
|
verifyFormat("export var x = 12;");
|
|
verifyFormat("class C {}\n"
|
|
"export function f() {}\n"
|
|
"var v;");
|
|
verifyFormat("export var x: number = 12;");
|
|
verifyFormat("export const y = {\n"
|
|
" a: 1,\n"
|
|
" b: 2\n"
|
|
"};");
|
|
verifyFormat("export enum Foo {\n"
|
|
" BAR,\n"
|
|
" // adsdasd\n"
|
|
" BAZ\n"
|
|
"}");
|
|
verifyFormat("export default [\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n"
|
|
"];");
|
|
verifyFormat("export default [];");
|
|
verifyFormat("export default () => {};");
|
|
verifyFormat("export interface Foo { foo: number; }\n"
|
|
"export class Bar {\n"
|
|
" blah(): string { return this.blah; };\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ImportWrapping) {
|
|
verifyFormat("import {VeryLongImportsAreAnnoying, VeryLongImportsAreAnnoying,"
|
|
" VeryLongImportsAreAnnoying, VeryLongImportsAreAnnoying"
|
|
"} from 'some/module.js';");
|
|
FormatStyle Style = getGoogleJSStyleWithColumns(80);
|
|
Style.JavaScriptWrapImports = true;
|
|
verifyFormat("import {\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
verifyFormat("import {\n"
|
|
" A,\n"
|
|
" A,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
verifyFormat("export {\n"
|
|
" A,\n"
|
|
" A,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TemplateStrings) {
|
|
// Keeps any whitespace/indentation within the template string.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${ name }\n"
|
|
" !`;",
|
|
"var x = `hello\n"
|
|
" ${ name }\n"
|
|
" !`;");
|
|
|
|
verifyFormat("var x =\n"
|
|
" `hello ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(34)); // Barely doesn't fit.
|
|
verifyFormat("var x = `hello ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(35)); // Barely fits.
|
|
verifyFormat("var x = `hellö ${wörld}` >= söme();",
|
|
getGoogleJSStyleWithColumns(35)); // Fits due to UTF-8.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${world}` >=\n"
|
|
" some();",
|
|
"var x =\n"
|
|
" `hello\n"
|
|
" ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(21)); // Barely doesn't fit.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${world}` >= some();",
|
|
"var x =\n"
|
|
" `hello\n"
|
|
" ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(22)); // Barely fits.
|
|
|
|
verifyFormat("var x =\n"
|
|
" `h`;",
|
|
getGoogleJSStyleWithColumns(11));
|
|
verifyFormat("var x =\n `multi\n line`;", "var x = `multi\n line`;",
|
|
getGoogleJSStyleWithColumns(13));
|
|
verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
|
|
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`);");
|
|
// Repro for an obscure width-miscounting issue with template strings.
|
|
verifyFormat(
|
|
"someLongVariable =\n"
|
|
" "
|
|
"`${logPrefix[11]}/${logPrefix[12]}/${logPrefix[13]}${logPrefix[14]}`;",
|
|
"someLongVariable = "
|
|
"`${logPrefix[11]}/${logPrefix[12]}/${logPrefix[13]}${logPrefix[14]}`;");
|
|
|
|
// Make sure template strings get a proper ColumnWidth assigned, even if they
|
|
// are first token in line.
|
|
verifyFormat(
|
|
"var a = aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
|
|
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`;");
|
|
|
|
// Two template strings.
|
|
verifyFormat("var x = `hello` == `hello`;");
|
|
|
|
// Comments in template strings.
|
|
verifyFormat("var x = `//a`;\n"
|
|
"var y;",
|
|
"var x =\n `//a`;\n"
|
|
"var y ;");
|
|
verifyFormat("var x = `/*a`;\n"
|
|
"var y;",
|
|
"var x =\n `/*a`;\n"
|
|
"var y;");
|
|
// Unterminated string literals in a template string.
|
|
verifyFormat("var x = `'`; // comment with matching quote '\n"
|
|
"var y;");
|
|
verifyFormat("var x = `\"`; // comment with matching quote \"\n"
|
|
"var y;");
|
|
verifyFormat("it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa);",
|
|
"it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa) ;",
|
|
getGoogleJSStyleWithColumns(40));
|
|
// Backticks in a comment - not a template string.
|
|
verifyFormat("var x = 1 // `/*a`;\n"
|
|
" ;",
|
|
"var x =\n 1 // `/*a`;\n"
|
|
" ;");
|
|
verifyFormat("/* ` */ var x = 1; /* ` */", "/* ` */ var x\n= 1; /* ` */");
|
|
// Comment spans multiple template strings.
|
|
verifyFormat("var x = `/*a`;\n"
|
|
"var y = ` */ `;",
|
|
"var x =\n `/*a`;\n"
|
|
"var y =\n ` */ `;");
|
|
// Escaped backtick.
|
|
verifyFormat("var x = ` \\` a`;\n"
|
|
"var y;",
|
|
"var x = ` \\` a`;\n"
|
|
"var y;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, CastSyntax) {
|
|
verifyFormat("var x = <type>foo;");
|
|
verifyFormat("var x = foo as type;");
|
|
verifyFormat("let x = (a + b) as\n"
|
|
" LongTypeIsLong;",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("foo = <Bar[]>[\n"
|
|
" 1, //\n"
|
|
" 2\n"
|
|
"];");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeArguments) {
|
|
verifyFormat("class X<Y> {}");
|
|
verifyFormat("new X<Y>();");
|
|
verifyFormat("foo<Y>(a);");
|
|
verifyFormat("var x: X<Y>[];");
|
|
verifyFormat("class C extends D<E> implements F<G>, H<I> {}");
|
|
verifyFormat("function f(a: List<any> = null) {}");
|
|
verifyFormat("function f(): List<any> {}");
|
|
verifyFormat("function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa():\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {}");
|
|
verifyFormat("function aaaaaaaaaa(\n"
|
|
" aaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaa,\n"
|
|
" aaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaa):\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, UserDefinedTypeGuards) {
|
|
verifyFormat(
|
|
"function foo(check: Object):\n"
|
|
" check is {foo: string, bar: string, baz: string, foobar: string} {\n"
|
|
" return 'bar' in check;\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, OptionalTypes) {
|
|
verifyFormat("function x(a?: b, c?, d?) {}");
|
|
verifyFormat("class X {\n"
|
|
" y?: z;\n"
|
|
" z?;\n"
|
|
"}");
|
|
verifyFormat("interface X {\n"
|
|
" y?(): z;\n"
|
|
"}");
|
|
verifyFormat("constructor({aa}: {\n"
|
|
" aa?: string,\n"
|
|
" aaaaaaaa?: string,\n"
|
|
" aaaaaaaaaaaaaaa?: boolean,\n"
|
|
" aaaaaa?: List<string>\n"
|
|
"}) {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, IndexSignature) {
|
|
verifyFormat("var x: {[k: string]: v};");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, WrapAfterParen) {
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaa, aaa);",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaa, aaa, aaa,\n"
|
|
" aaa, aaa, aaa);",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" function(x) {\n"
|
|
" y(); //\n"
|
|
" });",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("while (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, JSDocAnnotations) {
|
|
verifyFormat("/**\n"
|
|
" * @export {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @export {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsSingle) {
|
|
verifyFormat("var x = 'foo';", "var x = \"foo\";");
|
|
verifyFormat("var x = 'fo\\'o\\'';", "var x = \"fo'o'\";");
|
|
verifyFormat("var x = 'fo\\'o\\'';", "var x = \"fo\\'o'\";");
|
|
verifyFormat(
|
|
"var x =\n"
|
|
" 'foo\\'';",
|
|
// Code below is 15 chars wide, doesn't fit into the line with the
|
|
// \ escape added.
|
|
"var x = \"foo'\";", getGoogleJSStyleWithColumns(15));
|
|
// Removes no-longer needed \ escape from ".
|
|
verifyFormat("var x = 'fo\"o';", "var x = \"fo\\\"o\";");
|
|
// Code below fits into 15 chars *after* removing the \ escape.
|
|
verifyFormat("var x = 'fo\"o';", "var x = \"fo\\\"o\";",
|
|
getGoogleJSStyleWithColumns(15));
|
|
verifyFormat("// clang-format off\n"
|
|
"let x = \"double\";\n"
|
|
"// clang-format on\n"
|
|
"let x = 'single';\n",
|
|
"// clang-format off\n"
|
|
"let x = \"double\";\n"
|
|
"// clang-format on\n"
|
|
"let x = \"single\";\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsDouble) {
|
|
FormatStyle DoubleQuotes = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
DoubleQuotes.JavaScriptQuotes = FormatStyle::JSQS_Double;
|
|
verifyFormat("var x = \"foo\";", DoubleQuotes);
|
|
verifyFormat("var x = \"foo\";", "var x = 'foo';", DoubleQuotes);
|
|
verifyFormat("var x = \"fo'o\";", "var x = 'fo\\'o';", DoubleQuotes);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsLeave) {
|
|
FormatStyle LeaveQuotes = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
LeaveQuotes.JavaScriptQuotes = FormatStyle::JSQS_Leave;
|
|
verifyFormat("var x = \"foo\";", LeaveQuotes);
|
|
verifyFormat("var x = 'foo';", LeaveQuotes);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, SupportShebangLines) {
|
|
verifyFormat("#!/usr/bin/env node\n"
|
|
"var x = hello();",
|
|
"#!/usr/bin/env node\n"
|
|
"var x = hello();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, NonNullAssertionOperator) {
|
|
verifyFormat("let x = foo!.bar();\n");
|
|
verifyFormat("let x = foo ? bar! : baz;\n");
|
|
verifyFormat("let x = !foo;\n");
|
|
verifyFormat("let x = foo[0]!;\n");
|
|
verifyFormat("let x = (foo)!;\n");
|
|
verifyFormat("let x = {foo: 1}!;\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Conditional) {
|
|
verifyFormat("y = x ? 1 : 2;");
|
|
verifyFormat("x ? 1: 2;"); // Known issue with top level conditionals.
|
|
verifyFormat("class Foo {\n"
|
|
" field = true ? 1 : 2;\n"
|
|
" method(a = true ? 1 : 2) {}\n"
|
|
"}");
|
|
}
|
|
|
|
} // end namespace tooling
|
|
} // end namespace clang
|