diff options
Diffstat (limited to 'unittests/ProfileData/CoverageMappingTest.cpp')
| -rw-r--r-- | unittests/ProfileData/CoverageMappingTest.cpp | 299 |
1 files changed, 293 insertions, 6 deletions
diff --git a/unittests/ProfileData/CoverageMappingTest.cpp b/unittests/ProfileData/CoverageMappingTest.cpp index 6588e753eab0..4d0f852da982 100644 --- a/unittests/ProfileData/CoverageMappingTest.cpp +++ b/unittests/ProfileData/CoverageMappingTest.cpp @@ -174,9 +174,12 @@ struct CoverageMappingTest : ::testing::TestWithParam<std::pair<bool, bool>> { } 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)); + 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, @@ -362,6 +365,266 @@ TEST_P(CoverageMappingTest, load_coverage_for_several_functions) { } } +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); @@ -400,6 +663,29 @@ TEST_P(CoverageMappingTest, basic_coverage_iteration) { 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); @@ -548,9 +834,10 @@ TEST_P(CoverageMappingTest, dont_detect_false_instantiations) { EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); - std::vector<const FunctionRecord *> Instantiations = - LoadedCoverage->getInstantiations("expanded"); - ASSERT_TRUE(Instantiations.empty()); + 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) { |