113 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
//===----- unittests/AnnotationsTest.cpp ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Testing/Support/Annotations.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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using ::testing::ElementsAre;
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using ::testing::IsEmpty;
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namespace {
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llvm::Annotations::Range range(size_t Begin, size_t End) {
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  llvm::Annotations::Range R;
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  R.Begin = Begin;
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  R.End = End;
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  return R;
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}
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TEST(AnnotationsTest, CleanedCode) {
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  EXPECT_EQ(llvm::Annotations("foo^bar$nnn[[baz$^[[qux]]]]").code(),
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            "foobarbazqux");
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}
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TEST(AnnotationsTest, Points) {
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  // A single point.
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  EXPECT_EQ(llvm::Annotations("^ab").point(), 0u);
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  EXPECT_EQ(llvm::Annotations("a^b").point(), 1u);
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  EXPECT_EQ(llvm::Annotations("ab^").point(), 2u);
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  // Multiple points.
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  EXPECT_THAT(llvm::Annotations("^a^bc^d^").points(),
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              ElementsAre(0u, 1u, 3u, 4u));
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  // No points.
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  EXPECT_THAT(llvm::Annotations("ab[[cd]]").points(), IsEmpty());
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  // Consecutive points.
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  EXPECT_THAT(llvm::Annotations("ab^^^cd").points(), ElementsAre(2u, 2u, 2u));
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}
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TEST(AnnotationsTest, Ranges) {
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  // A single range.
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  EXPECT_EQ(llvm::Annotations("[[a]]bc").range(), range(0, 1));
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  EXPECT_EQ(llvm::Annotations("a[[bc]]d").range(), range(1, 3));
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  EXPECT_EQ(llvm::Annotations("ab[[cd]]").range(), range(2, 4));
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  // Empty range.
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  EXPECT_EQ(llvm::Annotations("[[]]ab").range(), range(0, 0));
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  EXPECT_EQ(llvm::Annotations("a[[]]b").range(), range(1, 1));
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  EXPECT_EQ(llvm::Annotations("ab[[]]").range(), range(2, 2));
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  // Multiple ranges.
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  EXPECT_THAT(llvm::Annotations("[[a]][[b]]cd[[ef]]ef").ranges(),
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              ElementsAre(range(0, 1), range(1, 2), range(4, 6)));
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  // No ranges.
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  EXPECT_THAT(llvm::Annotations("ab^c^defef").ranges(), IsEmpty());
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}
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TEST(AnnotationsTest, Nested) {
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  llvm::Annotations Annotated("a[[f^oo^bar[[b[[a]]z]]]]bcdef");
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  EXPECT_THAT(Annotated.points(), ElementsAre(2u, 4u));
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  EXPECT_THAT(Annotated.ranges(),
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              ElementsAre(range(8, 9), range(7, 10), range(1, 10)));
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}
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TEST(AnnotationsTest, Named) {
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  // A single named point or range.
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  EXPECT_EQ(llvm::Annotations("a$foo^b").point("foo"), 1u);
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  EXPECT_EQ(llvm::Annotations("a$foo[[b]]cdef").range("foo"), range(1, 2));
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  // Empty names should also work.
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  EXPECT_EQ(llvm::Annotations("a$^b").point(""), 1u);
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  EXPECT_EQ(llvm::Annotations("a$[[b]]cdef").range(""), range(1, 2));
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  // Multiple named points.
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  llvm::Annotations Annotated("a$p1^bcd$p2^123$p1^345");
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  EXPECT_THAT(Annotated.points(), IsEmpty());
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  EXPECT_THAT(Annotated.points("p1"), ElementsAre(1u, 7u));
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  EXPECT_EQ(Annotated.point("p2"), 4u);
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}
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TEST(AnnotationsTest, Errors) {
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  // Annotations use llvm_unreachable, it will only crash in debug mode.
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#ifndef NDEBUG
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  // point() and range() crash on zero or multiple ranges.
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  EXPECT_DEATH(llvm::Annotations("ab[[c]]def").point(),
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               "expected exactly one point");
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  EXPECT_DEATH(llvm::Annotations("a^b^cdef").point(),
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               "expected exactly one point");
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  EXPECT_DEATH(llvm::Annotations("a^bcdef").range(),
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               "expected exactly one range");
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  EXPECT_DEATH(llvm::Annotations("a[[b]]c[[d]]ef").range(),
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               "expected exactly one range");
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  EXPECT_DEATH(llvm::Annotations("$foo^a$foo^a").point("foo"),
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               "expected exactly one point");
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  EXPECT_DEATH(llvm::Annotations("$foo[[a]]bc$foo[[a]]").range("foo"),
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               "expected exactly one range");
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  // Parsing failures.
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  EXPECT_DEATH(llvm::Annotations("ff[[fdfd"), "unmatched \\[\\[");
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  EXPECT_DEATH(llvm::Annotations("ff[[fdjsfjd]]xxx]]"), "unmatched \\]\\]");
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  EXPECT_DEATH(llvm::Annotations("ff$fdsfd"), "unterminated \\$name");
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#endif
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}
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} // namespace
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