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llvm-project/llvm/unittests/ProfileData/CoverageMappingTest.cpp

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//===- 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 "gtest/gtest.h"
#include <ostream>
#include <utility>
using namespace llvm;
using namespace coverage;
static ::testing::AssertionResult NoError(Error E) {
if (!E)
return ::testing::AssertionSuccess();
return ::testing::AssertionFailure() << "error: " << toString(std::move(E))
<< "\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) {
InputFunctions.back().Regions.push_back(CounterMappingRegion::makeRegion(
C, getFileIndexForFunction(File), 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);
ASSERT_TRUE(NoError(Reader.read()));
}
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));
ASSERT_TRUE(NoError(ReaderOrErr.takeError()));
ProfileReader = std::move(ReaderOrErr.get());
}
Expected<std::unique_ptr<CoverageMapping>> readOutputFunctions() {
if (!UseMultipleReaders) {
CoverageMappingReaderMock CovReader(OutputFunctions);
return CoverageMapping::load(CovReader, *ProfileReader);
}
std::vector<std::unique_ptr<CoverageMappingReader>> CoverageReaders;
for (const auto &OF : OutputFunctions) {
ArrayRef<OutputFunctionCoverageData> Funcs(OF);
CoverageReaders.push_back(make_unique<CoverageMappingReaderMock>(Funcs));
}
return CoverageMapping::load(CoverageReaders, *ProfileReader);
}
void loadCoverageMapping(bool EmitFilenames = true) {
readProfCounts();
writeAndReadCoverageRegions(EmitFilenames);
auto CoverageOrErr = readOutputFunctions();
ASSERT_TRUE(NoError(CoverageOrErr.takeError()));
LoadedCoverage = std::move(CoverageOrErr.get());
}
};
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]);
}
}
TEST_P(CoverageMappingTest, load_coverage_for_more_than_two_files) {
InstrProfRecord Record("func", 0x1234, {0});
NoError(ProfileWriter.addRecord(std::move(Record)));
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);
loadCoverageMapping();
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_for_several_functions) {
InstrProfRecord RecordFunc1("func1", 0x1234, {10});
NoError(ProfileWriter.addRecord(std::move(RecordFunc1)));
InstrProfRecord RecordFunc2("func2", 0x2345, {20});
NoError(ProfileWriter.addRecord(std::move(RecordFunc2)));
startFunction("func1", 0x1234);
addCMR(Counter::getCounter(0), "foo", 1, 1, 5, 5);
startFunction("func2", 0x2345);
addCMR(Counter::getCounter(0), "bar", 2, 2, 6, 6);
loadCoverageMapping();
const auto FunctionRecords = LoadedCoverage->getCoveredFunctions();
EXPECT_EQ(2U, 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, 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) {
InstrProfRecord Record("func", 0x1234, {30, 20, 10, 0});
NoError(ProfileWriter.addRecord(std::move(Record)));
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);
loadCoverageMapping();
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, uncovered_function) {
startFunction("func", 0x1234);
addCMR(Counter::getZero(), "file1", 1, 2, 3, 4);
loadCoverageMapping();
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);
loadCoverageMapping();
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) {
InstrProfRecord Record("func", 0x1234, {10, 20, 30});
NoError(ProfileWriter.addRecord(std::move(Record)));
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);
loadCoverageMapping();
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) {
InstrProfRecord Record("func", 0x1234, {10, 20, 40});
NoError(ProfileWriter.addRecord(std::move(Record)));
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);
loadCoverageMapping();
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) {
InstrProfRecord Record1("func", 0x1234, {10, 20});
InstrProfRecord Record2("func", 0x1234, {0, 0});
NoError(ProfileWriter.addRecord(std::move(Record1)));
NoError(ProfileWriter.addRecord(std::move(Record2)));
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);
loadCoverageMapping();
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) {
InstrProfRecord Record("func", 0x1234, {2, 3, 7});
NoError(ProfileWriter.addRecord(std::move(Record)));
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);
loadCoverageMapping();
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) {
InstrProfRecord Record("file1:func", 0x1234, {0});
NoError(ProfileWriter.addRecord(std::move(Record)));
startFunction("file1:func", 0x1234);
addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
loadCoverageMapping();
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) {
InstrProfRecord Record("<unknown>:func", 0x1234, {0});
NoError(ProfileWriter.addRecord(std::move(Record)));
startFunction("<unknown>:func", 0x1234);
addCMR(Counter::getCounter(0), "", 1, 1, 9, 9);
loadCoverageMapping(/*EmitFilenames=*/false);
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) {
InstrProfRecord Record1("foo", 0x1234, {10});
InstrProfRecord Record2("bar", 0x2345, {20});
NoError(ProfileWriter.addRecord(std::move(Record1)));
NoError(ProfileWriter.addRecord(std::move(Record2)));
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);
loadCoverageMapping();
std::vector<const FunctionRecord *> Instantiations =
LoadedCoverage->getInstantiations("expanded");
ASSERT_TRUE(Instantiations.empty());
}
TEST_P(CoverageMappingTest, load_coverage_for_expanded_file) {
InstrProfRecord Record("func", 0x1234, {10});
NoError(ProfileWriter.addRecord(std::move(Record)));
startFunction("func", 0x1234);
addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10);
addExpansionCMR("main", "expanded", 4, 1, 4, 5);
loadCoverageMapping();
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) {
InstrProfRecord Record("func", 0x1234, {1});
NoError(ProfileWriter.addRecord(std::move(Record)));
startFunction("func", 0x1234);
addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
startFunction("func", 0x1234);
addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
loadCoverageMapping();
auto Funcs = LoadedCoverage->getCoveredFunctions();
unsigned NumFuncs = std::distance(Funcs.begin(), Funcs.end());
ASSERT_EQ(1U, 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
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