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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229473 91177308-0d34-0410-b5e6-96231b3b80d8
125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
//===- unittest/ProfileData/CoverageMappingTest.cpp -------------------------=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ProfileData/CoverageMapping.h"
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#include "llvm/ProfileData/CoverageMappingReader.h"
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#include "llvm/ProfileData/CoverageMappingWriter.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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#include <sstream>
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using namespace llvm;
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using namespace coverage;
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namespace llvm {
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namespace coverage {
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void PrintTo(const Counter &C, ::std::ostream *os) {
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if (C.isZero())
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*os << "Zero";
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else if (C.isExpression())
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*os << "Expression " << C.getExpressionID();
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else
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*os << "Counter " << C.getCounterID();
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}
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}
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}
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namespace {
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struct CoverageMappingTest : ::testing::Test {
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StringMap<unsigned> Files;
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unsigned NextFile;
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std::vector<CounterMappingRegion> InputCMRs;
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std::vector<StringRef> OutputFiles;
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std::vector<CounterExpression> OutputExpressions;
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std::vector<CounterMappingRegion> OutputCMRs;
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void SetUp() override {
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NextFile = 0;
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}
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unsigned getFile(StringRef Name) {
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auto R = Files.find(Name);
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if (R != Files.end())
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return R->second;
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Files[Name] = NextFile;
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return NextFile++;
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}
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void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE,
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unsigned CE) {
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InputCMRs.push_back(
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CounterMappingRegion::makeRegion(C, getFile(File), LS, CS, LE, CE));
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}
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void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS,
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unsigned CS, unsigned LE, unsigned CE) {
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InputCMRs.push_back(CounterMappingRegion::makeExpansion(
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getFile(File), getFile(ExpandedFile), LS, CS, LE, CE));
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}
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std::string writeCoverageRegions() {
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SmallVector<unsigned, 8> FileIDs;
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for (const auto &E : Files)
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FileIDs.push_back(E.getValue());
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std::string Coverage;
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llvm::raw_string_ostream OS(Coverage);
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CoverageMappingWriter(FileIDs, None, InputCMRs).write(OS);
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return OS.str();
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}
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void readCoverageRegions(std::string Coverage) {
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SmallVector<StringRef, 8> Filenames;
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for (const auto &E : Files)
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Filenames.push_back(E.getKey());
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RawCoverageMappingReader Reader(Coverage, Filenames, OutputFiles,
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OutputExpressions, OutputCMRs);
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std::error_code EC = Reader.read();
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ASSERT_EQ(instrprof_error::success, EC);
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}
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};
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TEST_F(CoverageMappingTest, basic_write_read) {
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addCMR(Counter::getCounter(0), "foo", 1, 1, 1, 1);
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addCMR(Counter::getCounter(1), "foo", 2, 1, 2, 2);
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addCMR(Counter::getZero(), "foo", 3, 1, 3, 4);
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addCMR(Counter::getCounter(2), "foo", 4, 1, 4, 8);
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addCMR(Counter::getCounter(3), "bar", 1, 2, 3, 4);
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std::string Coverage = writeCoverageRegions();
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readCoverageRegions(Coverage);
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size_t N = makeArrayRef(InputCMRs).size();
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ASSERT_EQ(N, OutputCMRs.size());
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for (size_t I = 0; I < N; ++I) {
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ASSERT_EQ(InputCMRs[I].Count, OutputCMRs[I].Count);
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ASSERT_EQ(InputCMRs[I].FileID, OutputCMRs[I].FileID);
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ASSERT_EQ(InputCMRs[I].startLoc(), OutputCMRs[I].startLoc());
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ASSERT_EQ(InputCMRs[I].endLoc(), OutputCMRs[I].endLoc());
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ASSERT_EQ(InputCMRs[I].Kind, OutputCMRs[I].Kind);
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}
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}
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TEST_F(CoverageMappingTest, expansion_gets_first_counter) {
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addCMR(Counter::getCounter(1), "foo", 10, 1, 10, 2);
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// This starts earlier in "foo", so the expansion should get its counter.
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addCMR(Counter::getCounter(2), "foo", 1, 1, 20, 1);
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addExpansionCMR("bar", "foo", 3, 3, 3, 3);
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std::string Coverage = writeCoverageRegions();
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readCoverageRegions(Coverage);
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ASSERT_EQ(CounterMappingRegion::ExpansionRegion, OutputCMRs[2].Kind);
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ASSERT_EQ(Counter::getCounter(2), OutputCMRs[2].Count);
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ASSERT_EQ(3U, OutputCMRs[2].LineStart);
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}
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} // end anonymous namespace
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