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InstrProf: Use a test fixture in the coverage mapping tests

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229473 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-02-17 06:56:49 +00:00
parent c93485635f
commit a6f04a4ba7
1 changed files with 74 additions and 66 deletions
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140
unittests/ProfileData/CoverageMappingTest.cpp
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@ -33,83 +33,91 @@ void PrintTo(const Counter &C, ::std::ostream *os) {
namespace {
static std::string writeCoverage(MutableArrayRef<CounterMappingRegion> Regions,
int NumFiles) {
SmallVector<unsigned, 8> FileIDs;
for (int I = 0; I < NumFiles; ++I)
FileIDs.push_back(I);
struct CoverageMappingTest : ::testing::Test {
StringMap<unsigned> Files;
unsigned NextFile;
std::vector<CounterMappingRegion> InputCMRs;
std::string Coverage;
llvm::raw_string_ostream OS(Coverage);
CoverageMappingWriter(FileIDs, None, Regions).write(OS);
OS.flush();
std::vector<StringRef> OutputFiles;
std::vector<CounterExpression> OutputExpressions;
std::vector<CounterMappingRegion> OutputCMRs;
return Coverage;
}
static std::vector<CounterMappingRegion>
readCoverageRegions(std::string Coverage, int NumFiles) {
SmallVector<std::string, 8> Filenames;
SmallVector<StringRef, 8> FilenameRefs;
for (int I = 0; I < NumFiles; ++I) {
std::ostringstream S;
S << "file" << I;
Filenames.push_back(S.str());
FilenameRefs.push_back(Filenames.back());
void SetUp() override {
NextFile = 0;
}
std::vector<StringRef> FuncFiles;
std::vector<CounterExpression> Expressions;
std::vector<CounterMappingRegion> Regions;
RawCoverageMappingReader Reader(Coverage, FilenameRefs, FuncFiles,
Expressions, Regions);
if (Reader.read())
// ASSERT doesn't work here, we'll just return an empty vector.
Regions.clear();
return Regions;
}
unsigned getFile(StringRef Name) {
auto R = Files.find(Name);
if (R != Files.end())
return R->second;
Files[Name] = NextFile;
return NextFile++;
}
TEST(CoverageMappingTest, basic_write_read) {
int NumFiles = 2;
CounterMappingRegion InputRegions[] = {
CounterMappingRegion::makeRegion(Counter::getCounter(0), 0, 1, 1, 1, 1),
CounterMappingRegion::makeRegion(Counter::getCounter(1), 0, 2, 1, 2, 2),
CounterMappingRegion::makeRegion(Counter::getZero(), 0, 3, 1, 3, 4),
CounterMappingRegion::makeRegion(Counter::getCounter(2), 0, 4, 1, 4, 8),
CounterMappingRegion::makeRegion(Counter::getCounter(3), 1, 1, 2, 3, 4),
};
std::string Coverage = writeCoverage(InputRegions, NumFiles);
std::vector<CounterMappingRegion> OutputRegions =
readCoverageRegions(Coverage, NumFiles);
ASSERT_FALSE(OutputRegions.empty());
void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE,
unsigned CE) {
InputCMRs.push_back(
CounterMappingRegion::makeRegion(C, getFile(File), LS, CS, LE, CE));
}
size_t N = makeArrayRef(InputRegions).size();
ASSERT_EQ(N, OutputRegions.size());
void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS,
unsigned CS, unsigned LE, unsigned CE) {
InputCMRs.push_back(CounterMappingRegion::makeExpansion(
getFile(File), getFile(ExpandedFile), LS, CS, LE, CE));
}
std::string writeCoverageRegions() {
SmallVector<unsigned, 8> FileIDs;
for (const auto &E : Files)
FileIDs.push_back(E.getValue());
std::string Coverage;
llvm::raw_string_ostream OS(Coverage);
CoverageMappingWriter(FileIDs, None, InputCMRs).write(OS);
return OS.str();
}
void readCoverageRegions(std::string Coverage) {
SmallVector<StringRef, 8> Filenames;
for (const auto &E : Files)
Filenames.push_back(E.getKey());
RawCoverageMappingReader Reader(Coverage, Filenames, OutputFiles,
OutputExpressions, OutputCMRs);
std::error_code EC = Reader.read();
ASSERT_EQ(instrprof_error::success, EC);
}
};
TEST_F(CoverageMappingTest, basic_write_read) {
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);
std::string Coverage = writeCoverageRegions();
readCoverageRegions(Coverage);
size_t N = makeArrayRef(InputCMRs).size();
ASSERT_EQ(N, OutputCMRs.size());
for (size_t I = 0; I < N; ++I) {
ASSERT_EQ(InputRegions[I].Count, OutputRegions[I].Count);
ASSERT_EQ(InputRegions[I].FileID, OutputRegions[I].FileID);
ASSERT_EQ(InputRegions[I].startLoc(), OutputRegions[I].startLoc());
ASSERT_EQ(InputRegions[I].endLoc(), OutputRegions[I].endLoc());
ASSERT_EQ(InputRegions[I].Kind, OutputRegions[I].Kind);
ASSERT_EQ(InputCMRs[I].Count, OutputCMRs[I].Count);
ASSERT_EQ(InputCMRs[I].FileID, OutputCMRs[I].FileID);
ASSERT_EQ(InputCMRs[I].startLoc(), OutputCMRs[I].startLoc());
ASSERT_EQ(InputCMRs[I].endLoc(), OutputCMRs[I].endLoc());
ASSERT_EQ(InputCMRs[I].Kind, OutputCMRs[I].Kind);
}
}
TEST(CoverageMappingTest, expansion_gets_first_counter) {
int NumFiles = 2;
CounterMappingRegion InputRegions[] = {
CounterMappingRegion::makeRegion(Counter::getCounter(1), 0, 10, 1, 10, 2),
// This starts earlier in file 0, so the expansion should get its counter.
CounterMappingRegion::makeRegion(Counter::getCounter(2), 0, 1, 1, 20, 1),
CounterMappingRegion::makeExpansion(1, 0, 3, 3, 3, 3),
};
std::string Coverage = writeCoverage(InputRegions, NumFiles);
std::vector<CounterMappingRegion> OutputRegions =
readCoverageRegions(Coverage, NumFiles);
ASSERT_FALSE(OutputRegions.empty());
TEST_F(CoverageMappingTest, 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.
addCMR(Counter::getCounter(2), "foo", 1, 1, 20, 1);
addExpansionCMR("bar", "foo", 3, 3, 3, 3);
std::string Coverage = writeCoverageRegions();
readCoverageRegions(Coverage);
ASSERT_EQ(CounterMappingRegion::ExpansionRegion, OutputRegions[2].Kind);
ASSERT_EQ(Counter::getCounter(2), OutputRegions[2].Count);
ASSERT_EQ(3U, OutputRegions[2].LineStart);
ASSERT_EQ(CounterMappingRegion::ExpansionRegion, OutputCMRs[2].Kind);
ASSERT_EQ(Counter::getCounter(2), OutputCMRs[2].Count);
ASSERT_EQ(3U, OutputCMRs[2].LineStart);
}