131 struct CoverageMappingTest : ::testing::TestWithParam<std::tuple<bool, bool>> {  struct
132   bool UseMultipleReaders;
133   StringMap<unsigned> Files;
134   std::vector<std::string> Filenames;
135   std::vector<InputFunctionCoverageData> InputFunctions;
136   std::vector<OutputFunctionCoverageData> OutputFunctions;
138   InstrProfWriter ProfileWriter;
139   std::unique_ptr<IndexedInstrProfReader> ProfileReader;
141   std::unique_ptr<CoverageMapping> LoadedCoverage;
143   void SetUp() override {  in SetUp()
148   unsigned getGlobalFileIndex(StringRef Name) {  in getGlobalFileIndex()
161   unsigned getFileIndexForFunction(StringRef Name) {  in getFileIndexForFunction()
174   void startFunction(StringRef FuncName, uint64_t Hash) {  in startFunction()
178   void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE,  in addCMR()
187   void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS,  in addExpansionCMR()
194   void addExpression(CounterExpression CE) {  in addExpression()
198   std::string writeCoverageRegions(InputFunctionCoverageData &Data) {  in writeCoverageRegions()
208   void readCoverageRegions(const std::string &Coverage,  in readCoverageRegions()
222   void writeAndReadCoverageRegions(bool EmitFilenames = true) {  in writeAndReadCoverageRegions()
234   void readProfCounts() {  in readProfCounts()
241   Expected<std::unique_ptr<CoverageMapping>> readOutputFunctions() {  in readOutputFunctions()
257   Error loadCoverageMapping(bool EmitFilenames = true) {  in loadCoverageMapping()
268 TEST_P(CoverageMappingTest, basic_write_read) {  in TEST_P()  argument
293 TEST_P(CoverageMappingTest, correct_deserialize_for_more_than_two_files) {  in TEST_P()  argument
320 TEST_P(CoverageMappingTest, load_coverage_for_more_than_two_files) {  in TEST_P()  argument
341 TEST_P(CoverageMappingTest, load_coverage_with_bogus_function_name) {  in TEST_P()  argument
348 TEST_P(CoverageMappingTest, load_coverage_for_several_functions) {  in TEST_P()  argument
377 TEST_P(CoverageMappingTest, create_combined_regions) {  in TEST_P()  argument
398 TEST_P(CoverageMappingTest, skipped_segments_have_no_count) {  in TEST_P()  argument
417 TEST_P(CoverageMappingTest, multiple_regions_end_after_parent_ends) {  in TEST_P()  argument
478 TEST_P(CoverageMappingTest, multiple_completed_segments_at_same_loc) {  in TEST_P()  argument
506 TEST_P(CoverageMappingTest, dont_emit_redundant_segments) {  in TEST_P()  argument
530 TEST_P(CoverageMappingTest, dont_emit_closing_segment_at_new_region_start) {  in TEST_P()  argument
556 TEST_P(CoverageMappingTest, handle_consecutive_regions_with_zero_length) {  in TEST_P()  argument
578 TEST_P(CoverageMappingTest, handle_sandwiched_zero_length_region) {  in TEST_P()  argument
611 TEST_P(CoverageMappingTest, handle_last_completed_region) {  in TEST_P()  argument
637 TEST_P(CoverageMappingTest, expansion_gets_first_counter) {  in TEST_P()  argument
653 TEST_P(CoverageMappingTest, basic_coverage_iteration) {  in TEST_P()  argument
675 TEST_P(CoverageMappingTest, test_line_coverage_iterator) {  in TEST_P()  argument
701 TEST_P(CoverageMappingTest, uncovered_function) {  in TEST_P()  argument
713 TEST_P(CoverageMappingTest, uncovered_function_with_mapping) {  in TEST_P()  argument
727 TEST_P(CoverageMappingTest, combine_regions) {  in TEST_P()  argument
745 TEST_P(CoverageMappingTest, restore_combined_counter_after_nested_region) {  in TEST_P()  argument
765 TEST_P(CoverageMappingTest, dont_combine_expansions) {  in TEST_P()  argument
786 TEST_P(CoverageMappingTest, combine_expansions) {  in TEST_P()  argument
808 TEST_P(CoverageMappingTest, non_code_region_counters) {  in TEST_P()  argument
827 TEST_P(CoverageMappingTest, strip_filename_prefix) {  in TEST_P()  argument
841 TEST_P(CoverageMappingTest, strip_unknown_filename_prefix) {  in TEST_P()  argument
855 TEST_P(CoverageMappingTest, dont_detect_false_instantiations) {  in TEST_P()  argument
874 TEST_P(CoverageMappingTest, load_coverage_for_expanded_file) {  in TEST_P()  argument
890 TEST_P(CoverageMappingTest, skip_duplicate_function_record) {  in TEST_P()  argument
927 TEST(CoverageMappingTest, filename_roundtrip) {  in TEST()  argument
951 TEST(CoverageMappingTest, filename_compilation_dir) {  in TEST()  argument