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| author | 2020-08-03 15:06:44 +0000 | |
|---|---|---|
| committer | 2020-08-03 15:06:44 +0000 | |
| commit | b64793999546ed8adebaeebd9d8345d18db8927d (patch) | |
| tree | 4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp | |
| parent | Add support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff) | |
| download | wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip | |
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp')
| -rw-r--r-- | gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp | 899 |
1 files changed, 0 insertions, 899 deletions
diff --git a/gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp b/gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp deleted file mode 100644 index 987f6769958..00000000000 --- a/gnu/llvm/unittests/ProfileData/CoverageMappingTest.cpp +++ /dev/null @@ -1,899 +0,0 @@ -//===- unittest/ProfileData/CoverageMappingTest.cpp -------------------------=// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/ProfileData/Coverage/CoverageMapping.h" -#include "llvm/ProfileData/Coverage/CoverageMappingReader.h" -#include "llvm/ProfileData/Coverage/CoverageMappingWriter.h" -#include "llvm/ProfileData/InstrProfReader.h" -#include "llvm/ProfileData/InstrProfWriter.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/Testing/Support/Error.h" -#include "llvm/Testing/Support/SupportHelpers.h" -#include "gtest/gtest.h" - -#include <ostream> -#include <utility> - -using namespace llvm; -using namespace coverage; - -LLVM_NODISCARD static ::testing::AssertionResult -ErrorEquals(coveragemap_error Expected, Error E) { - coveragemap_error Found; - std::string FoundMsg; - handleAllErrors(std::move(E), [&](const CoverageMapError &CME) { - Found = CME.get(); - FoundMsg = CME.message(); - }); - if (Expected == Found) - return ::testing::AssertionSuccess(); - return ::testing::AssertionFailure() << "error: " << FoundMsg << "\n"; -} - -namespace llvm { -namespace coverage { -void PrintTo(const Counter &C, ::std::ostream *os) { - if (C.isZero()) - *os << "Zero"; - else if (C.isExpression()) - *os << "Expression " << C.getExpressionID(); - else - *os << "Counter " << C.getCounterID(); -} - -void PrintTo(const CoverageSegment &S, ::std::ostream *os) { - *os << "CoverageSegment(" << S.Line << ", " << S.Col << ", "; - if (S.HasCount) - *os << S.Count << ", "; - *os << (S.IsRegionEntry ? "true" : "false") << ")"; -} -} -} - -namespace { - -struct OutputFunctionCoverageData { - StringRef Name; - uint64_t Hash; - std::vector<StringRef> Filenames; - std::vector<CounterMappingRegion> Regions; - - OutputFunctionCoverageData() : Hash(0) {} - - OutputFunctionCoverageData(OutputFunctionCoverageData &&OFCD) - : Name(OFCD.Name), Hash(OFCD.Hash), Filenames(std::move(OFCD.Filenames)), - Regions(std::move(OFCD.Regions)) {} - - OutputFunctionCoverageData(const OutputFunctionCoverageData &) = delete; - OutputFunctionCoverageData & - operator=(const OutputFunctionCoverageData &) = delete; - OutputFunctionCoverageData &operator=(OutputFunctionCoverageData &&) = delete; - - void fillCoverageMappingRecord(CoverageMappingRecord &Record) const { - Record.FunctionName = Name; - Record.FunctionHash = Hash; - Record.Filenames = Filenames; - Record.Expressions = {}; - Record.MappingRegions = Regions; - } -}; - -struct CoverageMappingReaderMock : CoverageMappingReader { - ArrayRef<OutputFunctionCoverageData> Functions; - - CoverageMappingReaderMock(ArrayRef<OutputFunctionCoverageData> Functions) - : Functions(Functions) {} - - Error readNextRecord(CoverageMappingRecord &Record) override { - if (Functions.empty()) - return make_error<CoverageMapError>(coveragemap_error::eof); - - Functions.front().fillCoverageMappingRecord(Record); - Functions = Functions.slice(1); - - return Error::success(); - } -}; - -struct InputFunctionCoverageData { - // Maps the global file index from CoverageMappingTest.Files - // to the index of that file within this function. We can't just use - // global file indexes here because local indexes have to be dense. - // This map is used during serialization to create the virtual file mapping - // (from local fileId to global Index) in the head of the per-function - // coverage mapping data. - SmallDenseMap<unsigned, unsigned> ReverseVirtualFileMapping; - std::string Name; - uint64_t Hash; - std::vector<CounterMappingRegion> Regions; - - InputFunctionCoverageData(std::string Name, uint64_t Hash) - : Name(std::move(Name)), Hash(Hash) {} - - InputFunctionCoverageData(InputFunctionCoverageData &&IFCD) - : ReverseVirtualFileMapping(std::move(IFCD.ReverseVirtualFileMapping)), - Name(std::move(IFCD.Name)), Hash(IFCD.Hash), - Regions(std::move(IFCD.Regions)) {} - - InputFunctionCoverageData(const InputFunctionCoverageData &) = delete; - InputFunctionCoverageData & - operator=(const InputFunctionCoverageData &) = delete; - InputFunctionCoverageData &operator=(InputFunctionCoverageData &&) = delete; -}; - -struct CoverageMappingTest : ::testing::TestWithParam<std::pair<bool, bool>> { - bool UseMultipleReaders; - StringMap<unsigned> Files; - std::vector<InputFunctionCoverageData> InputFunctions; - std::vector<OutputFunctionCoverageData> OutputFunctions; - - InstrProfWriter ProfileWriter; - std::unique_ptr<IndexedInstrProfReader> ProfileReader; - - std::unique_ptr<CoverageMapping> LoadedCoverage; - - void SetUp() override { - ProfileWriter.setOutputSparse(GetParam().first); - UseMultipleReaders = GetParam().second; - } - - unsigned getGlobalFileIndex(StringRef Name) { - auto R = Files.find(Name); - if (R != Files.end()) - return R->second; - unsigned Index = Files.size(); - Files.try_emplace(Name, Index); - return Index; - } - - // Return the file index of file 'Name' for the current function. - // Add the file into the global map if necessary. - // See also InputFunctionCoverageData::ReverseVirtualFileMapping - // for additional comments. - unsigned getFileIndexForFunction(StringRef Name) { - unsigned GlobalIndex = getGlobalFileIndex(Name); - auto &CurrentFunctionFileMapping = - InputFunctions.back().ReverseVirtualFileMapping; - auto R = CurrentFunctionFileMapping.find(GlobalIndex); - if (R != CurrentFunctionFileMapping.end()) - return R->second; - unsigned IndexInFunction = CurrentFunctionFileMapping.size(); - CurrentFunctionFileMapping.insert( - std::make_pair(GlobalIndex, IndexInFunction)); - return IndexInFunction; - } - - void startFunction(StringRef FuncName, uint64_t Hash) { - InputFunctions.emplace_back(FuncName.str(), Hash); - } - - void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE, - unsigned CE, bool Skipped = false) { - auto &Regions = InputFunctions.back().Regions; - unsigned FileID = getFileIndexForFunction(File); - Regions.push_back( - Skipped ? CounterMappingRegion::makeSkipped(FileID, LS, CS, LE, CE) - : CounterMappingRegion::makeRegion(C, FileID, LS, CS, LE, CE)); - } - - void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS, - unsigned CS, unsigned LE, unsigned CE) { - InputFunctions.back().Regions.push_back(CounterMappingRegion::makeExpansion( - getFileIndexForFunction(File), getFileIndexForFunction(ExpandedFile), - LS, CS, LE, CE)); - } - - std::string writeCoverageRegions(InputFunctionCoverageData &Data) { - SmallVector<unsigned, 8> FileIDs(Data.ReverseVirtualFileMapping.size()); - for (const auto &E : Data.ReverseVirtualFileMapping) - FileIDs[E.second] = E.first; - std::string Coverage; - llvm::raw_string_ostream OS(Coverage); - CoverageMappingWriter(FileIDs, None, Data.Regions).write(OS); - return OS.str(); - } - - void readCoverageRegions(const std::string &Coverage, - OutputFunctionCoverageData &Data) { - SmallVector<StringRef, 8> Filenames(Files.size()); - for (const auto &E : Files) - Filenames[E.getValue()] = E.getKey(); - std::vector<CounterExpression> Expressions; - RawCoverageMappingReader Reader(Coverage, Filenames, Data.Filenames, - Expressions, Data.Regions); - EXPECT_THAT_ERROR(Reader.read(), Succeeded()); - } - - void writeAndReadCoverageRegions(bool EmitFilenames = true) { - OutputFunctions.resize(InputFunctions.size()); - for (unsigned I = 0; I < InputFunctions.size(); ++I) { - std::string Regions = writeCoverageRegions(InputFunctions[I]); - readCoverageRegions(Regions, OutputFunctions[I]); - OutputFunctions[I].Name = InputFunctions[I].Name; - OutputFunctions[I].Hash = InputFunctions[I].Hash; - if (!EmitFilenames) - OutputFunctions[I].Filenames.clear(); - } - } - - void readProfCounts() { - auto Profile = ProfileWriter.writeBuffer(); - auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile)); - EXPECT_THAT_ERROR(ReaderOrErr.takeError(), Succeeded()); - ProfileReader = std::move(ReaderOrErr.get()); - } - - Expected<std::unique_ptr<CoverageMapping>> readOutputFunctions() { - std::vector<std::unique_ptr<CoverageMappingReader>> CoverageReaders; - if (UseMultipleReaders) { - for (const auto &OF : OutputFunctions) { - ArrayRef<OutputFunctionCoverageData> Funcs(OF); - CoverageReaders.push_back( - make_unique<CoverageMappingReaderMock>(Funcs)); - } - } else { - ArrayRef<OutputFunctionCoverageData> Funcs(OutputFunctions); - CoverageReaders.push_back( - make_unique<CoverageMappingReaderMock>(Funcs)); - } - return CoverageMapping::load(CoverageReaders, *ProfileReader); - } - - Error loadCoverageMapping(bool EmitFilenames = true) { - readProfCounts(); - writeAndReadCoverageRegions(EmitFilenames); - auto CoverageOrErr = readOutputFunctions(); - if (!CoverageOrErr) - return CoverageOrErr.takeError(); - LoadedCoverage = std::move(CoverageOrErr.get()); - return Error::success(); - } -}; - -TEST_P(CoverageMappingTest, basic_write_read) { - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "foo", 1, 1, 1, 1); - addCMR(Counter::getCounter(1), "foo", 2, 1, 2, 2); - addCMR(Counter::getZero(), "foo", 3, 1, 3, 4); - addCMR(Counter::getCounter(2), "foo", 4, 1, 4, 8); - addCMR(Counter::getCounter(3), "bar", 1, 2, 3, 4); - - writeAndReadCoverageRegions(); - ASSERT_EQ(1u, InputFunctions.size()); - ASSERT_EQ(1u, OutputFunctions.size()); - InputFunctionCoverageData &Input = InputFunctions.back(); - OutputFunctionCoverageData &Output = OutputFunctions.back(); - - size_t N = makeArrayRef(Input.Regions).size(); - ASSERT_EQ(N, Output.Regions.size()); - for (size_t I = 0; I < N; ++I) { - ASSERT_EQ(Input.Regions[I].Count, Output.Regions[I].Count); - ASSERT_EQ(Input.Regions[I].FileID, Output.Regions[I].FileID); - ASSERT_EQ(Input.Regions[I].startLoc(), Output.Regions[I].startLoc()); - ASSERT_EQ(Input.Regions[I].endLoc(), Output.Regions[I].endLoc()); - ASSERT_EQ(Input.Regions[I].Kind, Output.Regions[I].Kind); - } -} - -TEST_P(CoverageMappingTest, correct_deserialize_for_more_than_two_files) { - const char *FileNames[] = {"bar", "baz", "foo"}; - static const unsigned N = array_lengthof(FileNames); - - startFunction("func", 0x1234); - for (unsigned I = 0; I < N; ++I) - // Use LineStart to hold the index of the file name - // in order to preserve that information during possible sorting of CMRs. - addCMR(Counter::getCounter(0), FileNames[I], I, 1, I, 1); - - writeAndReadCoverageRegions(); - ASSERT_EQ(1u, OutputFunctions.size()); - OutputFunctionCoverageData &Output = OutputFunctions.back(); - - ASSERT_EQ(N, Output.Regions.size()); - ASSERT_EQ(N, Output.Filenames.size()); - - for (unsigned I = 0; I < N; ++I) { - ASSERT_GT(N, Output.Regions[I].FileID); - ASSERT_GT(N, Output.Regions[I].LineStart); - EXPECT_EQ(FileNames[Output.Regions[I].LineStart], - Output.Filenames[Output.Regions[I].FileID]); - } -} - -static const auto Err = [](Error E) { FAIL(); }; - -TEST_P(CoverageMappingTest, load_coverage_for_more_than_two_files) { - ProfileWriter.addRecord({"func", 0x1234, {0}}, Err); - - const char *FileNames[] = {"bar", "baz", "foo"}; - static const unsigned N = array_lengthof(FileNames); - - startFunction("func", 0x1234); - for (unsigned I = 0; I < N; ++I) - // Use LineStart to hold the index of the file name - // in order to preserve that information during possible sorting of CMRs. - addCMR(Counter::getCounter(0), FileNames[I], I, 1, I, 1); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - for (unsigned I = 0; I < N; ++I) { - CoverageData Data = LoadedCoverage->getCoverageForFile(FileNames[I]); - ASSERT_TRUE(!Data.empty()); - EXPECT_EQ(I, Data.begin()->Line); - } -} - -TEST_P(CoverageMappingTest, load_coverage_with_bogus_function_name) { - ProfileWriter.addRecord({"", 0x1234, {10}}, Err); - startFunction("", 0x1234); - addCMR(Counter::getCounter(0), "foo", 1, 1, 5, 5); - EXPECT_TRUE(ErrorEquals(coveragemap_error::malformed, loadCoverageMapping())); -} - -TEST_P(CoverageMappingTest, load_coverage_for_several_functions) { - ProfileWriter.addRecord({"func1", 0x1234, {10}}, Err); - ProfileWriter.addRecord({"func2", 0x2345, {20}}, Err); - - startFunction("func1", 0x1234); - addCMR(Counter::getCounter(0), "foo", 1, 1, 5, 5); - - startFunction("func2", 0x2345); - addCMR(Counter::getCounter(0), "bar", 2, 2, 6, 6); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - EXPECT_EQ(2, std::distance(FunctionRecords.begin(), FunctionRecords.end())); - for (const auto &FunctionRecord : FunctionRecords) { - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(2U, Segments.size()); - if (FunctionRecord.Name == "func1") { - EXPECT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); - EXPECT_EQ(CoverageSegment(5, 5, false), Segments[1]); - } else { - ASSERT_EQ("func2", FunctionRecord.Name); - EXPECT_EQ(CoverageSegment(2, 2, 20, true), Segments[0]); - EXPECT_EQ(CoverageSegment(6, 6, false), Segments[1]); - } - } -} - -TEST_P(CoverageMappingTest, create_combined_regions) { - ProfileWriter.addRecord({"func1", 0x1234, {1, 2, 3}}, Err); - startFunction("func1", 0x1234); - - // Given regions which start at the same location, emit a segment for the - // last region. - addCMR(Counter::getCounter(0), "file1", 1, 1, 2, 2); - addCMR(Counter::getCounter(1), "file1", 1, 1, 2, 2); - addCMR(Counter::getCounter(2), "file1", 1, 1, 2, 2); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(2U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 6, true), Segments[0]); - EXPECT_EQ(CoverageSegment(2, 2, false), Segments[1]); -} - -TEST_P(CoverageMappingTest, skipped_segments_have_no_count) { - ProfileWriter.addRecord({"func1", 0x1234, {1}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 1, 5, 5); - addCMR(Counter::getCounter(0), "file1", 5, 1, 5, 5, /*Skipped=*/true); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(3U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(5, 1, true), Segments[1]); - EXPECT_EQ(CoverageSegment(5, 5, false), Segments[2]); -} - -TEST_P(CoverageMappingTest, multiple_regions_end_after_parent_ends) { - ProfileWriter.addRecord({"func1", 0x1234, {1, 0}}, Err); - startFunction("func1", 0x1234); - - // 1| F{ a{ - // 2| - // 3| a} b{ c{ - // 4| - // 5| b} - // 6| - // 7| c} d{ e{ - // 8| - // 9| d} e} F} - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); // < F - addCMR(Counter::getCounter(0), "file1", 1, 1, 3, 5); // < a - addCMR(Counter::getCounter(0), "file1", 3, 5, 5, 4); // < b - addCMR(Counter::getCounter(1), "file1", 3, 5, 7, 3); // < c - addCMR(Counter::getCounter(1), "file1", 7, 3, 9, 2); // < d - addCMR(Counter::getCounter(1), "file1", 7, 7, 9, 7); // < e - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - // Old output (not sorted or unique): - // Segment at 1:1 with count 1 - // Segment at 1:1 with count 1 - // Segment at 3:5 with count 1 - // Segment at 3:5 with count 0 - // Segment at 3:5 with count 1 - // Segment at 5:4 with count 0 - // Segment at 7:3 with count 1 - // Segment at 7:3 with count 0 - // Segment at 7:7 with count 0 - // Segment at 9:7 with count 0 - // Segment at 9:2 with count 1 - // Top level segment at 9:9 - - // New output (sorted and unique): - // Segment at 1:1 (count = 1), RegionEntry - // Segment at 3:5 (count = 1), RegionEntry - // Segment at 5:4 (count = 0) - // Segment at 7:3 (count = 0), RegionEntry - // Segment at 7:7 (count = 0), RegionEntry - // Segment at 9:2 (count = 0) - // Segment at 9:7 (count = 1) - // Segment at 9:9 (count = 0), Skipped - - ASSERT_EQ(8U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(3, 5, 1, true), Segments[1]); - EXPECT_EQ(CoverageSegment(5, 4, 0, false), Segments[2]); - EXPECT_EQ(CoverageSegment(7, 3, 0, true), Segments[3]); - EXPECT_EQ(CoverageSegment(7, 7, 0, true), Segments[4]); - EXPECT_EQ(CoverageSegment(9, 2, 0, false), Segments[5]); - EXPECT_EQ(CoverageSegment(9, 7, 1, false), Segments[6]); - EXPECT_EQ(CoverageSegment(9, 9, false), Segments[7]); -} - -TEST_P(CoverageMappingTest, multiple_completed_segments_at_same_loc) { - ProfileWriter.addRecord({"func1", 0x1234, {0, 1, 2}}, Err); - startFunction("func1", 0x1234); - - // PR35495 - addCMR(Counter::getCounter(1), "file1", 2, 1, 18, 2); - addCMR(Counter::getCounter(0), "file1", 8, 10, 14, 6); - addCMR(Counter::getCounter(0), "file1", 8, 12, 14, 6); - addCMR(Counter::getCounter(1), "file1", 9, 1, 14, 6); - addCMR(Counter::getCounter(2), "file1", 11, 13, 11, 14); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(7U, Segments.size()); - EXPECT_EQ(CoverageSegment(2, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(8, 10, 0, true), Segments[1]); - EXPECT_EQ(CoverageSegment(8, 12, 0, true), Segments[2]); - EXPECT_EQ(CoverageSegment(9, 1, 1, true), Segments[3]); - EXPECT_EQ(CoverageSegment(11, 13, 2, true), Segments[4]); - // Use count=1 (from 9:1 -> 14:6), not count=0 (from 8:12 -> 14:6). - EXPECT_EQ(CoverageSegment(11, 14, 1, false), Segments[5]); - EXPECT_EQ(CoverageSegment(18, 2, false), Segments[6]); -} - -TEST_P(CoverageMappingTest, dont_emit_redundant_segments) { - ProfileWriter.addRecord({"func1", 0x1234, {1, 1}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 1, 4, 4); - addCMR(Counter::getCounter(1), "file1", 2, 2, 5, 5); - addCMR(Counter::getCounter(0), "file1", 3, 3, 6, 6); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(5U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(2, 2, 1, true), Segments[1]); - EXPECT_EQ(CoverageSegment(3, 3, 1, true), Segments[2]); - EXPECT_EQ(CoverageSegment(4, 4, 1, false), Segments[3]); - // A closing segment starting at 5:5 would be redundant: it would have the - // same count as the segment starting at 4:4, and has all the same metadata. - EXPECT_EQ(CoverageSegment(6, 6, false), Segments[4]); -} - -TEST_P(CoverageMappingTest, dont_emit_closing_segment_at_new_region_start) { - ProfileWriter.addRecord({"func1", 0x1234, {1}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 1, 6, 5); - addCMR(Counter::getCounter(0), "file1", 2, 2, 6, 5); - addCMR(Counter::getCounter(0), "file1", 3, 3, 6, 5); - addCMR(Counter::getCounter(0), "file1", 6, 5, 7, 7); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(5U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(2, 2, 1, true), Segments[1]); - EXPECT_EQ(CoverageSegment(3, 3, 1, true), Segments[2]); - EXPECT_EQ(CoverageSegment(6, 5, 1, true), Segments[3]); - // The old segment builder would get this wrong by emitting multiple segments - // which start at 6:5 (a few of which were skipped segments). We should just - // get a segment for the region entry. - EXPECT_EQ(CoverageSegment(7, 7, false), Segments[4]); -} - -TEST_P(CoverageMappingTest, handle_consecutive_regions_with_zero_length) { - ProfileWriter.addRecord({"func1", 0x1234, {1, 2}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); - addCMR(Counter::getCounter(1), "file1", 1, 1, 1, 1); - addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); - addCMR(Counter::getCounter(1), "file1", 1, 1, 1, 1); - addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(1U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, true), Segments[0]); - // We need to get a skipped segment starting at 1:1. In this case there is - // also a region entry at 1:1. -} - -TEST_P(CoverageMappingTest, handle_sandwiched_zero_length_region) { - ProfileWriter.addRecord({"func1", 0x1234, {2, 1}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 5, 4, 4); - addCMR(Counter::getCounter(1), "file1", 1, 9, 1, 50); - addCMR(Counter::getCounter(1), "file1", 2, 7, 2, 34); - addCMR(Counter::getCounter(1), "file1", 3, 5, 3, 21); - addCMR(Counter::getCounter(1), "file1", 3, 21, 3, 21); - addCMR(Counter::getCounter(1), "file1", 4, 12, 4, 17); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(10U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 5, 2, true), Segments[0]); - EXPECT_EQ(CoverageSegment(1, 9, 1, true), Segments[1]); - EXPECT_EQ(CoverageSegment(1, 50, 2, false), Segments[2]); - EXPECT_EQ(CoverageSegment(2, 7, 1, true), Segments[3]); - EXPECT_EQ(CoverageSegment(2, 34, 2, false), Segments[4]); - EXPECT_EQ(CoverageSegment(3, 5, 1, true), Segments[5]); - EXPECT_EQ(CoverageSegment(3, 21, 2, true), Segments[6]); - // Handle the zero-length region by creating a segment with its predecessor's - // count (i.e the count from 1:5 -> 4:4). - EXPECT_EQ(CoverageSegment(4, 4, false), Segments[7]); - // The area between 4:4 and 4:12 is skipped. - EXPECT_EQ(CoverageSegment(4, 12, 1, true), Segments[8]); - EXPECT_EQ(CoverageSegment(4, 17, false), Segments[9]); -} - -TEST_P(CoverageMappingTest, handle_last_completed_region) { - ProfileWriter.addRecord({"func1", 0x1234, {1, 2, 3, 4}}, Err); - startFunction("func1", 0x1234); - - addCMR(Counter::getCounter(0), "file1", 1, 1, 8, 8); - addCMR(Counter::getCounter(1), "file1", 2, 2, 5, 5); - addCMR(Counter::getCounter(2), "file1", 3, 3, 4, 4); - addCMR(Counter::getCounter(3), "file1", 6, 6, 7, 7); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); - const auto &FunctionRecord = *FunctionRecords.begin(); - CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - - ASSERT_EQ(8U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); - EXPECT_EQ(CoverageSegment(2, 2, 2, true), Segments[1]); - EXPECT_EQ(CoverageSegment(3, 3, 3, true), Segments[2]); - EXPECT_EQ(CoverageSegment(4, 4, 2, false), Segments[3]); - EXPECT_EQ(CoverageSegment(5, 5, 1, false), Segments[4]); - EXPECT_EQ(CoverageSegment(6, 6, 4, true), Segments[5]); - EXPECT_EQ(CoverageSegment(7, 7, 1, false), Segments[6]); - EXPECT_EQ(CoverageSegment(8, 8, false), Segments[7]); -} - -TEST_P(CoverageMappingTest, expansion_gets_first_counter) { - startFunction("func", 0x1234); - addCMR(Counter::getCounter(1), "foo", 10, 1, 10, 2); - // This starts earlier in "foo", so the expansion should get its counter. - addCMR(Counter::getCounter(2), "foo", 1, 1, 20, 1); - addExpansionCMR("bar", "foo", 3, 3, 3, 3); - - writeAndReadCoverageRegions(); - ASSERT_EQ(1u, OutputFunctions.size()); - OutputFunctionCoverageData &Output = OutputFunctions.back(); - - ASSERT_EQ(CounterMappingRegion::ExpansionRegion, Output.Regions[2].Kind); - ASSERT_EQ(Counter::getCounter(2), Output.Regions[2].Count); - ASSERT_EQ(3U, Output.Regions[2].LineStart); -} - -TEST_P(CoverageMappingTest, basic_coverage_iteration) { - ProfileWriter.addRecord({"func", 0x1234, {30, 20, 10, 0}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); - addCMR(Counter::getCounter(2), "file1", 5, 8, 9, 1); - addCMR(Counter::getCounter(3), "file1", 10, 10, 11, 11); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(7U, Segments.size()); - ASSERT_EQ(CoverageSegment(1, 1, 20, true), Segments[0]); - ASSERT_EQ(CoverageSegment(4, 7, 30, false), Segments[1]); - ASSERT_EQ(CoverageSegment(5, 8, 10, true), Segments[2]); - ASSERT_EQ(CoverageSegment(9, 1, 30, false), Segments[3]); - ASSERT_EQ(CoverageSegment(9, 9, false), Segments[4]); - ASSERT_EQ(CoverageSegment(10, 10, 0, true), Segments[5]); - ASSERT_EQ(CoverageSegment(11, 11, false), Segments[6]); -} - -TEST_P(CoverageMappingTest, test_line_coverage_iterator) { - ProfileWriter.addRecord({"func", 0x1234, {30, 20, 10, 0}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); - addCMR(Counter::getCounter(2), "file1", 5, 8, 9, 1); - addCMR(Counter::getCounter(3), "file1", 10, 10, 11, 11); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - - unsigned Line = 0; - unsigned LineCounts[] = {20, 20, 20, 20, 30, 10, 10, 10, 10, 0, 0}; - for (const auto &LCS : getLineCoverageStats(Data)) { - ASSERT_EQ(Line + 1, LCS.getLine()); - errs() << "Line: " << Line + 1 << ", count = " << LCS.getExecutionCount() << "\n"; - ASSERT_EQ(LineCounts[Line], LCS.getExecutionCount()); - ++Line; - } - ASSERT_EQ(11U, Line); -} - -TEST_P(CoverageMappingTest, uncovered_function) { - startFunction("func", 0x1234); - addCMR(Counter::getZero(), "file1", 1, 2, 3, 4); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(2U, Segments.size()); - ASSERT_EQ(CoverageSegment(1, 2, 0, true), Segments[0]); - ASSERT_EQ(CoverageSegment(3, 4, false), Segments[1]); -} - -TEST_P(CoverageMappingTest, uncovered_function_with_mapping) { - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(3U, Segments.size()); - ASSERT_EQ(CoverageSegment(1, 1, 0, true), Segments[0]); - ASSERT_EQ(CoverageSegment(4, 7, 0, false), Segments[1]); - ASSERT_EQ(CoverageSegment(9, 9, false), Segments[2]); -} - -TEST_P(CoverageMappingTest, combine_regions) { - ProfileWriter.addRecord({"func", 0x1234, {10, 20, 30}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4); - addCMR(Counter::getCounter(2), "file1", 3, 3, 4, 4); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(4U, Segments.size()); - ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); - ASSERT_EQ(CoverageSegment(3, 3, 50, true), Segments[1]); - ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]); - ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]); -} - -TEST_P(CoverageMappingTest, restore_combined_counter_after_nested_region) { - ProfileWriter.addRecord({"func", 0x1234, {10, 20, 40}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(2), "file1", 3, 3, 5, 5); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(4U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 30, true), Segments[0]); - EXPECT_EQ(CoverageSegment(3, 3, 40, true), Segments[1]); - EXPECT_EQ(CoverageSegment(5, 5, 30, false), Segments[2]); - EXPECT_EQ(CoverageSegment(9, 9, false), Segments[3]); -} - -// If CodeRegions and ExpansionRegions cover the same area, -// only counts of CodeRegions should be used. -TEST_P(CoverageMappingTest, dont_combine_expansions) { - ProfileWriter.addRecord({"func", 0x1234, {10, 20}}, Err); - ProfileWriter.addRecord({"func", 0x1234, {0, 0}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4); - addCMR(Counter::getCounter(1), "include1", 6, 6, 7, 7); - addExpansionCMR("file1", "include1", 3, 3, 4, 4); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(4U, Segments.size()); - ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); - ASSERT_EQ(CoverageSegment(3, 3, 20, true), Segments[1]); - ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]); - ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]); -} - -// If an area is covered only by ExpansionRegions, they should be combinated. -TEST_P(CoverageMappingTest, combine_expansions) { - ProfileWriter.addRecord({"func", 0x1234, {2, 3, 7}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(1), "include1", 1, 1, 1, 10); - addCMR(Counter::getCounter(2), "include2", 1, 1, 1, 10); - addCMR(Counter::getCounter(0), "file", 1, 1, 5, 5); - addExpansionCMR("file", "include1", 3, 1, 3, 5); - addExpansionCMR("file", "include2", 3, 1, 3, 5); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("file"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(4U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 2, true), Segments[0]); - EXPECT_EQ(CoverageSegment(3, 1, 10, true), Segments[1]); - EXPECT_EQ(CoverageSegment(3, 5, 2, false), Segments[2]); - EXPECT_EQ(CoverageSegment(5, 5, false), Segments[3]); -} - -TEST_P(CoverageMappingTest, strip_filename_prefix) { - ProfileWriter.addRecord({"file1:func", 0x1234, {0}}, Err); - - startFunction("file1:func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - std::vector<std::string> Names; - for (const auto &Func : LoadedCoverage->getCoveredFunctions()) - Names.push_back(Func.Name); - ASSERT_EQ(1U, Names.size()); - ASSERT_EQ("func", Names[0]); -} - -TEST_P(CoverageMappingTest, strip_unknown_filename_prefix) { - ProfileWriter.addRecord({"<unknown>:func", 0x1234, {0}}, Err); - - startFunction("<unknown>:func", 0x1234); - addCMR(Counter::getCounter(0), "", 1, 1, 9, 9); - EXPECT_THAT_ERROR(loadCoverageMapping(/*EmitFilenames=*/false), Succeeded()); - - std::vector<std::string> Names; - for (const auto &Func : LoadedCoverage->getCoveredFunctions()) - Names.push_back(Func.Name); - ASSERT_EQ(1U, Names.size()); - ASSERT_EQ("func", Names[0]); -} - -TEST_P(CoverageMappingTest, dont_detect_false_instantiations) { - ProfileWriter.addRecord({"foo", 0x1234, {10}}, Err); - ProfileWriter.addRecord({"bar", 0x2345, {20}}, Err); - - startFunction("foo", 0x1234); - addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); - addExpansionCMR("main", "expanded", 4, 1, 4, 5); - - startFunction("bar", 0x2345); - addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); - addExpansionCMR("main", "expanded", 9, 1, 9, 5); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - std::vector<InstantiationGroup> InstantiationGroups = - LoadedCoverage->getInstantiationGroups("expanded"); - for (const auto &Group : InstantiationGroups) - ASSERT_EQ(Group.size(), 1U); -} - -TEST_P(CoverageMappingTest, load_coverage_for_expanded_file) { - ProfileWriter.addRecord({"func", 0x1234, {10}}, Err); - - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); - addExpansionCMR("main", "expanded", 4, 1, 4, 5); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - CoverageData Data = LoadedCoverage->getCoverageForFile("expanded"); - std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); - ASSERT_EQ(2U, Segments.size()); - EXPECT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); - EXPECT_EQ(CoverageSegment(1, 10, false), Segments[1]); -} - -TEST_P(CoverageMappingTest, skip_duplicate_function_record) { - ProfileWriter.addRecord({"func", 0x1234, {1}}, Err); - - // This record should be loaded. - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - - // This record should be loaded. - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); - - // This record should be skipped. - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - - // This record should be loaded. - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - - // This record should be skipped. - startFunction("func", 0x1234); - addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); - addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); - - EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - - auto Funcs = LoadedCoverage->getCoveredFunctions(); - unsigned NumFuncs = std::distance(Funcs.begin(), Funcs.end()); - ASSERT_EQ(3U, NumFuncs); -} - -// FIXME: Use ::testing::Combine() when llvm updates its copy of googletest. -INSTANTIATE_TEST_CASE_P(ParameterizedCovMapTest, CoverageMappingTest, - ::testing::Values(std::pair<bool, bool>({false, false}), - std::pair<bool, bool>({false, true}), - std::pair<bool, bool>({true, false}), - std::pair<bool, bool>({true, true})),); - -} // end anonymous namespace |
