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[Coverage] Update testing methods to support more than two files

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Differential Revision: http://reviews.llvm.org/D18757

llvm-svn: 266289
This commit is contained in:
Igor Kudrin 2016-04-14 10:43:37 +00:00
parent 1ea0fc57ba
commit dde32a28b6
1 changed files with 58 additions and 11 deletions
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69
unittests/ProfileData/CoverageMappingTest.cpp
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@ -78,7 +78,6 @@ struct OneFunctionCoverageReader : CoverageMappingReader {
struct CoverageMappingTest : ::testing::Test {
StringMap<unsigned> Files;
unsigned NextFile;
std::vector<CounterMappingRegion> InputCMRs;
std::vector<StringRef> OutputFiles;
@ -91,7 +90,6 @@ struct CoverageMappingTest : ::testing::Test {
std::unique_ptr<CoverageMapping> LoadedCoverage;
void SetUp() override {
NextFile = 0;
ProfileWriter.setOutputSparse(false);
}
@ -99,8 +97,9 @@ struct CoverageMappingTest : ::testing::Test {
auto R = Files.find(Name);
if (R != Files.end())
return R->second;
Files[Name] = NextFile;
return NextFile++;
unsigned Index = Files.size();
Files.emplace_second(Name, Index);
return Index;
}
void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE,
@ -116,9 +115,9 @@ struct CoverageMappingTest : ::testing::Test {
}
std::string writeCoverageRegions() {
SmallVector<unsigned, 8> FileIDs;
for (const auto &E : Files)
FileIDs.push_back(E.getValue());
SmallVector<unsigned, 8> FileIDs(Files.size());
for (unsigned I = 0; I < FileIDs.size(); ++I)
FileIDs[I] = I;
std::string Coverage;
llvm::raw_string_ostream OS(Coverage);
CoverageMappingWriter(FileIDs, None, InputCMRs).write(OS);
@ -126,9 +125,9 @@ struct CoverageMappingTest : ::testing::Test {
}
void readCoverageRegions(std::string Coverage) {
SmallVector<StringRef, 8> Filenames;
SmallVector<StringRef, 8> Filenames(Files.size());
for (const auto &E : Files)
Filenames.push_back(E.getKey());
Filenames[E.getValue()] = E.getKey();
RawCoverageMappingReader Reader(Coverage, Filenames, OutputFiles,
OutputExpressions, OutputCMRs);
ASSERT_TRUE(NoError(Reader.read()));
@ -147,9 +146,11 @@ struct CoverageMappingTest : ::testing::Test {
readCoverageRegions(Regions);
SmallVector<StringRef, 8> Filenames;
if (EmitFilenames)
if (EmitFilenames) {
Filenames.resize(Files.size());
for (const auto &E : Files)
Filenames.push_back(E.getKey());
Filenames[E.getValue()] = E.getKey();
}
OneFunctionCoverageReader CovReader(FuncName, Hash, Filenames, OutputCMRs);
auto CoverageOrErr = CoverageMapping::load(CovReader, *ProfileReader);
ASSERT_TRUE(NoError(CoverageOrErr.getError()));
@ -186,6 +187,52 @@ TEST_P(MaybeSparseCoverageMappingTest, basic_write_read) {
}
}
TEST_P(MaybeSparseCoverageMappingTest,
correct_deserialize_for_more_than_two_files) {
const char *FileNames[] = {"bar", "baz", "foo"};
static const unsigned N = array_lengthof(FileNames);
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);
std::string Coverage = writeCoverageRegions();
readCoverageRegions(Coverage);
ASSERT_EQ(N, OutputCMRs.size());
ASSERT_EQ(N, OutputFiles.size());
for (unsigned I = 0; I < N; ++I) {
ASSERT_GT(N, OutputCMRs[I].FileID);
ASSERT_GT(N, OutputCMRs[I].LineStart);
EXPECT_EQ(FileNames[OutputCMRs[I].LineStart],
OutputFiles[OutputCMRs[I].FileID]);
}
}
TEST_P(MaybeSparseCoverageMappingTest, load_coverage_for_more_than_two_files) {
InstrProfRecord Record("func", 0x1234, {0});
ProfileWriter.addRecord(std::move(Record));
readProfCounts();
const char *FileNames[] = {"bar", "baz", "foo"};
static const unsigned N = array_lengthof(FileNames);
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("func", 0x1234);
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(MaybeSparseCoverageMappingTest, expansion_gets_first_counter) {
addCMR(Counter::getCounter(1), "foo", 10, 1, 10, 2);
// This starts earlier in "foo", so the expansion should get its counter.