lldb/unittests/Utility/FileSpecListTest.cpp - third_party/llvm-project - Git at Google

 //===-- FileSpecListTest.cpp ----------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//

 #include "gtest/gtest.h"

 #include "MockSymlinkFileSystem.h"
 #include "lldb/Utility/FileSpecList.h"
 #include "lldb/Utility/RealpathPrefixes.h"

 using namespace lldb_private;

 static FileSpec PosixSpec(llvm::StringRef path) {
   return FileSpec(path, FileSpec::Style::posix);
 }

 static FileSpec WindowsSpec(llvm::StringRef path) {
   return FileSpec(path, FileSpec::Style::windows);
 }

 TEST(SupportFileListTest, RelativePathMatchesPosix) {

   const FileSpec fullpath = PosixSpec("/build/src/main.cpp");
   const FileSpec relative = PosixSpec("./src/main.cpp");
   const FileSpec basename = PosixSpec("./main.cpp");
   const FileSpec full_wrong = PosixSpec("/other/wrong/main.cpp");
   const FileSpec rel_wrong = PosixSpec("./wrong/main.cpp");
   // Make sure these don't match "src/main.cpp" as we want to match full
   // directories only
   const FileSpec rel2_wrong = PosixSpec("asrc/main.cpp");
   const FileSpec rel3_wrong = PosixSpec("rc/main.cpp");

   SupportFileList files;
   files.Append(fullpath);
   files.Append(relative);
   files.Append(basename);
   files.Append(full_wrong);
   files.Append(rel_wrong);
   files.Append(rel2_wrong);
   files.Append(rel3_wrong);

   // Make sure the full path only matches the first entry
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, fullpath));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, fullpath));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, fullpath));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, fullpath));
   // Make sure the relative path matches the all of the entries that contain
   // the relative path
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, relative));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, relative));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, relative));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, relative));

   // Make sure looking file a file using the basename matches all entries
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, basename));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, basename));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, basename));
   EXPECT_EQ((size_t)3, files.FindCompatibleIndex(3, basename));
   EXPECT_EQ((size_t)4, files.FindCompatibleIndex(4, basename));
   EXPECT_EQ((size_t)5, files.FindCompatibleIndex(5, basename));
   EXPECT_EQ((size_t)6, files.FindCompatibleIndex(6, basename));

   // Make sure that paths that have a common suffix don't return values that
   // don't match on directory delimiters.
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel2_wrong));
   EXPECT_EQ((size_t)5, files.FindCompatibleIndex(3, rel2_wrong));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(6, rel2_wrong));

   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel3_wrong));
   EXPECT_EQ((size_t)6, files.FindCompatibleIndex(3, rel3_wrong));
 }

 TEST(SupportFileListTest, RelativePathMatchesWindows) {

   const FileSpec fullpath = WindowsSpec(R"(C:\build\src\main.cpp)");
   const FileSpec relative = WindowsSpec(R"(.\src\main.cpp)");
   const FileSpec basename = WindowsSpec(R"(.\main.cpp)");
   const FileSpec full_wrong = WindowsSpec(R"(\other\wrong\main.cpp)");
   const FileSpec rel_wrong = WindowsSpec(R"(.\wrong\main.cpp)");
   // Make sure these don't match "src\main.cpp" as we want to match full
   // directories only
   const FileSpec rel2_wrong = WindowsSpec(R"(asrc\main.cpp)");
   const FileSpec rel3_wrong = WindowsSpec(R"("rc\main.cpp)");

   SupportFileList files;
   files.Append(fullpath);
   files.Append(relative);
   files.Append(basename);
   files.Append(full_wrong);
   files.Append(rel_wrong);
   files.Append(rel2_wrong);
   files.Append(rel3_wrong);

   // Make sure the full path only matches the first entry
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, fullpath));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, fullpath));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, fullpath));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, fullpath));
   // Make sure the relative path matches the all of the entries that contain
   // the relative path
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, relative));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, relative));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, relative));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, relative));

   // Make sure looking file a file using the basename matches all entries
   EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, basename));
   EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, basename));
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, basename));
   EXPECT_EQ((size_t)3, files.FindCompatibleIndex(3, basename));
   EXPECT_EQ((size_t)4, files.FindCompatibleIndex(4, basename));
   EXPECT_EQ((size_t)5, files.FindCompatibleIndex(5, basename));
   EXPECT_EQ((size_t)6, files.FindCompatibleIndex(6, basename));

   // Make sure that paths that have a common suffix don't return values that
   // don't match on directory delimiters.
   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel2_wrong));
   EXPECT_EQ((size_t)5, files.FindCompatibleIndex(3, rel2_wrong));
   EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(6, rel2_wrong));

   EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel3_wrong));
   EXPECT_EQ((size_t)6, files.FindCompatibleIndex(3, rel3_wrong));
 }

 // Support file is a symlink to the breakpoint file.
 // Absolute paths are used.
 // A matching prefix is set.
 // Should find it compatible.
 TEST(SupportFileListTest, SymlinkedAbsolutePaths) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("/symlink_dir"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("/real_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, (size_t)0);
 }

 // Support file is a symlink to the breakpoint file.
 // Absolute paths are used.
 // A matching prefix is set, which is the root directory.
 // Should find it compatible.
 TEST(SupportFileListTest, RootDirectory) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("/"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("/real_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, (size_t)0);
 }

 // Support file is a symlink to the breakpoint file.
 // Relative paths are used.
 // A matching prefix is set.
 // Should find it compatible.
 TEST(SupportFileListTest, SymlinkedRelativePaths) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("symlink_dir"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("real_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, (size_t)0);
 }

 // Support file is a symlink to the breakpoint file.
 // A matching prefix is set.
 // Input file only match basename and not directory.
 // Should find it incompatible.
 TEST(SupportFileListTest, RealpathOnlyMatchFileName) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("symlink_dir"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("some_other_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, UINT32_MAX);
 }

 // Support file is a symlink to the breakpoint file.
 // A prefix is set, which is a matching string prefix, but not a path prefix.
 // Should find it incompatible.
 TEST(SupportFileListTest, DirectoryMatchStringPrefixButNotWholeDirectoryName) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("symlink")); // This is a string prefix of the
                                                // symlink but not a path prefix.
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("real_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, UINT32_MAX);
 }

 // Support file is a symlink to the breakpoint file.
 // A matching prefix is set.
 // However, the breakpoint is set with a partial path.
 // Should find it compatible.
 TEST(SupportFileListTest, PartialBreakpointPath) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("symlink_dir"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("real_dir/foo.h"), &prefixes);
   EXPECT_EQ(ret, (size_t)0);
 }

 // Support file is a symlink to the breakpoint file.
 // A matching prefix is set.
 // However, the basename is different between the symlink and its target.
 // Should find it incompatible.
 TEST(SupportFileListTest, DifferentBasename) {
   // Prepare FS
   llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
       PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/bar.h"),
       FileSpec::Style::posix));

   // Prepare RealpathPrefixes
   FileSpecList file_spec_list;
   file_spec_list.Append(PosixSpec("/symlink_dir"));
   RealpathPrefixes prefixes(file_spec_list, fs);

   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("real_dir/bar.h"), &prefixes);
   EXPECT_EQ(ret, UINT32_MAX);
 }

 // No prefixes are configured.
 // The support file and the breakpoint file are different.
 // Should find it incompatible.
 TEST(SupportFileListTest, NoPrefixes) {
   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("/real_dir/bar.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("/real_dir/foo.h"), nullptr);
   EXPECT_EQ(ret, UINT32_MAX);
 }

 // No prefixes are configured.
 // The support file and the breakpoint file are the same.
 // Should find it compatible.
 TEST(SupportFileListTest, SameFile) {
   // Prepare support file list
   SupportFileList support_file_list;
   support_file_list.Append(PosixSpec("/real_dir/foo.h"));

   // Test
   size_t ret = support_file_list.FindCompatibleIndex(
       0, PosixSpec("/real_dir/foo.h"), nullptr);
   EXPECT_EQ(ret, (size_t)0);
 }
	//===-- FileSpecListTest.cpp ----------------------------------------------===//
	//
	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
	// See https://llvm.org/LICENSE.txt for license information.
	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
	//
	//===----------------------------------------------------------------------===//

	#include "gtest/gtest.h"

	#include "MockSymlinkFileSystem.h"
	#include "lldb/Utility/FileSpecList.h"
	#include "lldb/Utility/RealpathPrefixes.h"

	using namespace lldb_private;

	static FileSpec PosixSpec(llvm::StringRef path) {
	return FileSpec(path, FileSpec::Style::posix);
	}

	static FileSpec WindowsSpec(llvm::StringRef path) {
	return FileSpec(path, FileSpec::Style::windows);
	}

	TEST(SupportFileListTest, RelativePathMatchesPosix) {

	const FileSpec fullpath = PosixSpec("/build/src/main.cpp");
	const FileSpec relative = PosixSpec("./src/main.cpp");
	const FileSpec basename = PosixSpec("./main.cpp");
	const FileSpec full_wrong = PosixSpec("/other/wrong/main.cpp");
	const FileSpec rel_wrong = PosixSpec("./wrong/main.cpp");
	// Make sure these don't match "src/main.cpp" as we want to match full
	// directories only
	const FileSpec rel2_wrong = PosixSpec("asrc/main.cpp");
	const FileSpec rel3_wrong = PosixSpec("rc/main.cpp");

	SupportFileList files;
	files.Append(fullpath);
	files.Append(relative);
	files.Append(basename);
	files.Append(full_wrong);
	files.Append(rel_wrong);
	files.Append(rel2_wrong);
	files.Append(rel3_wrong);

	// Make sure the full path only matches the first entry
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, fullpath));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, fullpath));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, fullpath));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, fullpath));
	// Make sure the relative path matches the all of the entries that contain
	// the relative path
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, relative));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, relative));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, relative));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, relative));

	// Make sure looking file a file using the basename matches all entries
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, basename));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, basename));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, basename));
	EXPECT_EQ((size_t)3, files.FindCompatibleIndex(3, basename));
	EXPECT_EQ((size_t)4, files.FindCompatibleIndex(4, basename));
	EXPECT_EQ((size_t)5, files.FindCompatibleIndex(5, basename));
	EXPECT_EQ((size_t)6, files.FindCompatibleIndex(6, basename));

	// Make sure that paths that have a common suffix don't return values that
	// don't match on directory delimiters.
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel2_wrong));
	EXPECT_EQ((size_t)5, files.FindCompatibleIndex(3, rel2_wrong));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(6, rel2_wrong));

	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel3_wrong));
	EXPECT_EQ((size_t)6, files.FindCompatibleIndex(3, rel3_wrong));
	}

	TEST(SupportFileListTest, RelativePathMatchesWindows) {

	const FileSpec fullpath = WindowsSpec(R"(C:\build\src\main.cpp)");
	const FileSpec relative = WindowsSpec(R"(.\src\main.cpp)");
	const FileSpec basename = WindowsSpec(R"(.\main.cpp)");
	const FileSpec full_wrong = WindowsSpec(R"(\other\wrong\main.cpp)");
	const FileSpec rel_wrong = WindowsSpec(R"(.\wrong\main.cpp)");
	// Make sure these don't match "src\main.cpp" as we want to match full
	// directories only
	const FileSpec rel2_wrong = WindowsSpec(R"(asrc\main.cpp)");
	const FileSpec rel3_wrong = WindowsSpec(R"("rc\main.cpp)");

	SupportFileList files;
	files.Append(fullpath);
	files.Append(relative);
	files.Append(basename);
	files.Append(full_wrong);
	files.Append(rel_wrong);
	files.Append(rel2_wrong);
	files.Append(rel3_wrong);

	// Make sure the full path only matches the first entry
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, fullpath));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, fullpath));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, fullpath));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, fullpath));
	// Make sure the relative path matches the all of the entries that contain
	// the relative path
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, relative));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, relative));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, relative));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(3, relative));

	// Make sure looking file a file using the basename matches all entries
	EXPECT_EQ((size_t)0, files.FindCompatibleIndex(0, basename));
	EXPECT_EQ((size_t)1, files.FindCompatibleIndex(1, basename));
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(2, basename));
	EXPECT_EQ((size_t)3, files.FindCompatibleIndex(3, basename));
	EXPECT_EQ((size_t)4, files.FindCompatibleIndex(4, basename));
	EXPECT_EQ((size_t)5, files.FindCompatibleIndex(5, basename));
	EXPECT_EQ((size_t)6, files.FindCompatibleIndex(6, basename));

	// Make sure that paths that have a common suffix don't return values that
	// don't match on directory delimiters.
	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel2_wrong));
	EXPECT_EQ((size_t)5, files.FindCompatibleIndex(3, rel2_wrong));
	EXPECT_EQ((size_t)UINT32_MAX, files.FindCompatibleIndex(6, rel2_wrong));

	EXPECT_EQ((size_t)2, files.FindCompatibleIndex(0, rel3_wrong));
	EXPECT_EQ((size_t)6, files.FindCompatibleIndex(3, rel3_wrong));
	}

	// Support file is a symlink to the breakpoint file.
	// Absolute paths are used.
	// A matching prefix is set.
	// Should find it compatible.
	TEST(SupportFileListTest, SymlinkedAbsolutePaths) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("/symlink_dir"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("/real_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, (size_t)0);
	}

	// Support file is a symlink to the breakpoint file.
	// Absolute paths are used.
	// A matching prefix is set, which is the root directory.
	// Should find it compatible.
	TEST(SupportFileListTest, RootDirectory) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("/"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("/real_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, (size_t)0);
	}

	// Support file is a symlink to the breakpoint file.
	// Relative paths are used.
	// A matching prefix is set.
	// Should find it compatible.
	TEST(SupportFileListTest, SymlinkedRelativePaths) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("symlink_dir"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("real_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, (size_t)0);
	}

	// Support file is a symlink to the breakpoint file.
	// A matching prefix is set.
	// Input file only match basename and not directory.
	// Should find it incompatible.
	TEST(SupportFileListTest, RealpathOnlyMatchFileName) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("symlink_dir"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("some_other_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, UINT32_MAX);
	}

	// Support file is a symlink to the breakpoint file.
	// A prefix is set, which is a matching string prefix, but not a path prefix.
	// Should find it incompatible.
	TEST(SupportFileListTest, DirectoryMatchStringPrefixButNotWholeDirectoryName) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("symlink_dir/foo.h"), PosixSpec("real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("symlink")); // This is a string prefix of the
	// symlink but not a path prefix.
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("real_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, UINT32_MAX);
	}

	// Support file is a symlink to the breakpoint file.
	// A matching prefix is set.
	// However, the breakpoint is set with a partial path.
	// Should find it compatible.
	TEST(SupportFileListTest, PartialBreakpointPath) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("symlink_dir/foo.h"), PosixSpec("/real_dir/foo.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("symlink_dir"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("real_dir/foo.h"), &prefixes);
	EXPECT_EQ(ret, (size_t)0);
	}

	// Support file is a symlink to the breakpoint file.
	// A matching prefix is set.
	// However, the basename is different between the symlink and its target.
	// Should find it incompatible.
	TEST(SupportFileListTest, DifferentBasename) {
	// Prepare FS
	llvm::IntrusiveRefCntPtr<MockSymlinkFileSystem> fs(new MockSymlinkFileSystem(
	PosixSpec("/symlink_dir/foo.h"), PosixSpec("/real_dir/bar.h"),
	FileSpec::Style::posix));

	// Prepare RealpathPrefixes
	FileSpecList file_spec_list;
	file_spec_list.Append(PosixSpec("/symlink_dir"));
	RealpathPrefixes prefixes(file_spec_list, fs);

	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("/symlink_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("real_dir/bar.h"), &prefixes);
	EXPECT_EQ(ret, UINT32_MAX);
	}

	// No prefixes are configured.
	// The support file and the breakpoint file are different.
	// Should find it incompatible.
	TEST(SupportFileListTest, NoPrefixes) {
	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("/real_dir/bar.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("/real_dir/foo.h"), nullptr);
	EXPECT_EQ(ret, UINT32_MAX);
	}

	// No prefixes are configured.
	// The support file and the breakpoint file are the same.
	// Should find it compatible.
	TEST(SupportFileListTest, SameFile) {
	// Prepare support file list
	SupportFileList support_file_list;
	support_file_list.Append(PosixSpec("/real_dir/foo.h"));

	// Test
	size_t ret = support_file_list.FindCompatibleIndex(
	0, PosixSpec("/real_dir/foo.h"), nullptr);
	EXPECT_EQ(ret, (size_t)0);
	}