1 //===- unittest/ProfileData/CoverageMappingTest.cpp -------------------------=// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/ProfileData/Coverage/CoverageMapping.h" 10 #include "llvm/ProfileData/Coverage/CoverageMappingReader.h" 11 #include "llvm/ProfileData/Coverage/CoverageMappingWriter.h" 12 #include "llvm/ProfileData/InstrProfReader.h" 13 #include "llvm/ProfileData/InstrProfWriter.h" 14 #include "llvm/Support/raw_ostream.h" 15 #include "llvm/Testing/Support/Error.h" 16 #include "llvm/Testing/Support/SupportHelpers.h" 17 #include "gtest/gtest.h" 18 19 #include <ostream> 20 #include <utility> 21 22 using namespace llvm; 23 using namespace coverage; 24 25 LLVM_NODISCARD static ::testing::AssertionResult 26 ErrorEquals(coveragemap_error Expected, Error E) { 27 coveragemap_error Found; 28 std::string FoundMsg; 29 handleAllErrors(std::move(E), [&](const CoverageMapError &CME) { 30 Found = CME.get(); 31 FoundMsg = CME.message(); 32 }); 33 if (Expected == Found) 34 return ::testing::AssertionSuccess(); 35 return ::testing::AssertionFailure() << "error: " << FoundMsg << "\n"; 36 } 37 38 namespace llvm { 39 namespace coverage { 40 void PrintTo(const Counter &C, ::std::ostream *os) { 41 if (C.isZero()) 42 *os << "Zero"; 43 else if (C.isExpression()) 44 *os << "Expression " << C.getExpressionID(); 45 else 46 *os << "Counter " << C.getCounterID(); 47 } 48 49 void PrintTo(const CoverageSegment &S, ::std::ostream *os) { 50 *os << "CoverageSegment(" << S.Line << ", " << S.Col << ", "; 51 if (S.HasCount) 52 *os << S.Count << ", "; 53 *os << (S.IsRegionEntry ? "true" : "false") << ")"; 54 } 55 } 56 } 57 58 namespace { 59 60 struct OutputFunctionCoverageData { 61 StringRef Name; 62 uint64_t Hash; 63 std::vector<StringRef> Filenames; 64 std::vector<CounterMappingRegion> Regions; 65 66 OutputFunctionCoverageData() : Hash(0) {} 67 68 OutputFunctionCoverageData(OutputFunctionCoverageData &&OFCD) 69 : Name(OFCD.Name), Hash(OFCD.Hash), Filenames(std::move(OFCD.Filenames)), 70 Regions(std::move(OFCD.Regions)) {} 71 72 OutputFunctionCoverageData(const OutputFunctionCoverageData &) = delete; 73 OutputFunctionCoverageData & 74 operator=(const OutputFunctionCoverageData &) = delete; 75 OutputFunctionCoverageData &operator=(OutputFunctionCoverageData &&) = delete; 76 77 void fillCoverageMappingRecord(CoverageMappingRecord &Record) const { 78 Record.FunctionName = Name; 79 Record.FunctionHash = Hash; 80 Record.Filenames = Filenames; 81 Record.Expressions = {}; 82 Record.MappingRegions = Regions; 83 } 84 }; 85 86 struct CoverageMappingReaderMock : CoverageMappingReader { 87 ArrayRef<OutputFunctionCoverageData> Functions; 88 89 CoverageMappingReaderMock(ArrayRef<OutputFunctionCoverageData> Functions) 90 : Functions(Functions) {} 91 92 Error readNextRecord(CoverageMappingRecord &Record) override { 93 if (Functions.empty()) 94 return make_error<CoverageMapError>(coveragemap_error::eof); 95 96 Functions.front().fillCoverageMappingRecord(Record); 97 Functions = Functions.slice(1); 98 99 return Error::success(); 100 } 101 }; 102 103 struct InputFunctionCoverageData { 104 // Maps the global file index from CoverageMappingTest.Files 105 // to the index of that file within this function. We can't just use 106 // global file indexes here because local indexes have to be dense. 107 // This map is used during serialization to create the virtual file mapping 108 // (from local fileId to global Index) in the head of the per-function 109 // coverage mapping data. 110 SmallDenseMap<unsigned, unsigned> ReverseVirtualFileMapping; 111 std::string Name; 112 uint64_t Hash; 113 std::vector<CounterMappingRegion> Regions; 114 115 InputFunctionCoverageData(std::string Name, uint64_t Hash) 116 : Name(std::move(Name)), Hash(Hash) {} 117 118 InputFunctionCoverageData(InputFunctionCoverageData &&IFCD) 119 : ReverseVirtualFileMapping(std::move(IFCD.ReverseVirtualFileMapping)), 120 Name(std::move(IFCD.Name)), Hash(IFCD.Hash), 121 Regions(std::move(IFCD.Regions)) {} 122 123 InputFunctionCoverageData(const InputFunctionCoverageData &) = delete; 124 InputFunctionCoverageData & 125 operator=(const InputFunctionCoverageData &) = delete; 126 InputFunctionCoverageData &operator=(InputFunctionCoverageData &&) = delete; 127 }; 128 129 struct CoverageMappingTest : ::testing::TestWithParam<std::pair<bool, bool>> { 130 bool UseMultipleReaders; 131 StringMap<unsigned> Files; 132 std::vector<std::string> Filenames; 133 std::vector<InputFunctionCoverageData> InputFunctions; 134 std::vector<OutputFunctionCoverageData> OutputFunctions; 135 136 InstrProfWriter ProfileWriter; 137 std::unique_ptr<IndexedInstrProfReader> ProfileReader; 138 139 std::unique_ptr<CoverageMapping> LoadedCoverage; 140 141 void SetUp() override { 142 ProfileWriter.setOutputSparse(GetParam().first); 143 UseMultipleReaders = GetParam().second; 144 } 145 146 unsigned getGlobalFileIndex(StringRef Name) { 147 auto R = Files.find(Name); 148 if (R != Files.end()) { 149 assert(R->second > 0 && "got index of compilation dir"); 150 return R->second; 151 } 152 unsigned Index = Files.size() + 1; 153 Files.try_emplace(Name, Index); 154 return Index; 155 } 156 157 // Return the file index of file 'Name' for the current function. 158 // Add the file into the global map if necessary. 159 // See also InputFunctionCoverageData::ReverseVirtualFileMapping 160 // for additional comments. 161 unsigned getFileIndexForFunction(StringRef Name) { 162 unsigned GlobalIndex = getGlobalFileIndex(Name); 163 auto &CurrentFunctionFileMapping = 164 InputFunctions.back().ReverseVirtualFileMapping; 165 auto R = CurrentFunctionFileMapping.find(GlobalIndex); 166 if (R != CurrentFunctionFileMapping.end()) { 167 assert(R->second > 0 && "got index of compilation dir"); 168 return R->second; 169 } 170 unsigned IndexInFunction = CurrentFunctionFileMapping.size(); 171 CurrentFunctionFileMapping.insert( 172 std::make_pair(GlobalIndex, IndexInFunction)); 173 return IndexInFunction; 174 } 175 176 void startFunction(StringRef FuncName, uint64_t Hash) { 177 InputFunctions.emplace_back(FuncName.str(), Hash); 178 } 179 180 void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE, 181 unsigned CE, bool Skipped = false) { 182 auto &Regions = InputFunctions.back().Regions; 183 unsigned FileID = getFileIndexForFunction(File); 184 Regions.push_back( 185 Skipped ? CounterMappingRegion::makeSkipped(FileID, LS, CS, LE, CE) 186 : CounterMappingRegion::makeRegion(C, FileID, LS, CS, LE, CE)); 187 } 188 189 void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS, 190 unsigned CS, unsigned LE, unsigned CE) { 191 InputFunctions.back().Regions.push_back(CounterMappingRegion::makeExpansion( 192 getFileIndexForFunction(File), getFileIndexForFunction(ExpandedFile), 193 LS, CS, LE, CE)); 194 } 195 196 std::string writeCoverageRegions(InputFunctionCoverageData &Data) { 197 SmallVector<unsigned, 8> FileIDs(Data.ReverseVirtualFileMapping.size()); 198 for (const auto &E : Data.ReverseVirtualFileMapping) 199 FileIDs[E.second] = E.first; 200 std::string Coverage; 201 llvm::raw_string_ostream OS(Coverage); 202 CoverageMappingWriter(FileIDs, None, Data.Regions).write(OS); 203 return OS.str(); 204 } 205 206 void readCoverageRegions(const std::string &Coverage, 207 OutputFunctionCoverageData &Data) { 208 // We will re-use the StringRef in duplicate tests, clear it to avoid 209 // clobber previous ones. 210 Filenames.clear(); 211 Filenames.resize(Files.size() + 1); 212 for (const auto &E : Files) 213 Filenames[E.getValue()] = E.getKey().str(); 214 std::vector<CounterExpression> Expressions; 215 ArrayRef<std::string> FilenameRefs = llvm::makeArrayRef(Filenames); 216 RawCoverageMappingReader Reader(Coverage, FilenameRefs, Data.Filenames, 217 Expressions, Data.Regions); 218 EXPECT_THAT_ERROR(Reader.read(), Succeeded()); 219 } 220 221 void writeAndReadCoverageRegions(bool EmitFilenames = true) { 222 OutputFunctions.resize(InputFunctions.size()); 223 for (unsigned I = 0; I < InputFunctions.size(); ++I) { 224 std::string Regions = writeCoverageRegions(InputFunctions[I]); 225 readCoverageRegions(Regions, OutputFunctions[I]); 226 OutputFunctions[I].Name = InputFunctions[I].Name; 227 OutputFunctions[I].Hash = InputFunctions[I].Hash; 228 if (!EmitFilenames) 229 OutputFunctions[I].Filenames.clear(); 230 } 231 } 232 233 void readProfCounts() { 234 auto Profile = ProfileWriter.writeBuffer(); 235 auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile)); 236 EXPECT_THAT_ERROR(ReaderOrErr.takeError(), Succeeded()); 237 ProfileReader = std::move(ReaderOrErr.get()); 238 } 239 240 Expected<std::unique_ptr<CoverageMapping>> readOutputFunctions() { 241 std::vector<std::unique_ptr<CoverageMappingReader>> CoverageReaders; 242 if (UseMultipleReaders) { 243 for (const auto &OF : OutputFunctions) { 244 ArrayRef<OutputFunctionCoverageData> Funcs(OF); 245 CoverageReaders.push_back( 246 std::make_unique<CoverageMappingReaderMock>(Funcs)); 247 } 248 } else { 249 ArrayRef<OutputFunctionCoverageData> Funcs(OutputFunctions); 250 CoverageReaders.push_back( 251 std::make_unique<CoverageMappingReaderMock>(Funcs)); 252 } 253 return CoverageMapping::load(CoverageReaders, *ProfileReader); 254 } 255 256 Error loadCoverageMapping(bool EmitFilenames = true) { 257 readProfCounts(); 258 writeAndReadCoverageRegions(EmitFilenames); 259 auto CoverageOrErr = readOutputFunctions(); 260 if (!CoverageOrErr) 261 return CoverageOrErr.takeError(); 262 LoadedCoverage = std::move(CoverageOrErr.get()); 263 return Error::success(); 264 } 265 }; 266 267 TEST_P(CoverageMappingTest, basic_write_read) { 268 startFunction("func", 0x1234); 269 addCMR(Counter::getCounter(0), "foo", 1, 1, 1, 1); 270 addCMR(Counter::getCounter(1), "foo", 2, 1, 2, 2); 271 addCMR(Counter::getZero(), "foo", 3, 1, 3, 4); 272 addCMR(Counter::getCounter(2), "foo", 4, 1, 4, 8); 273 addCMR(Counter::getCounter(3), "bar", 1, 2, 3, 4); 274 275 writeAndReadCoverageRegions(); 276 ASSERT_EQ(1u, InputFunctions.size()); 277 ASSERT_EQ(1u, OutputFunctions.size()); 278 InputFunctionCoverageData &Input = InputFunctions.back(); 279 OutputFunctionCoverageData &Output = OutputFunctions.back(); 280 281 size_t N = makeArrayRef(Input.Regions).size(); 282 ASSERT_EQ(N, Output.Regions.size()); 283 for (size_t I = 0; I < N; ++I) { 284 ASSERT_EQ(Input.Regions[I].Count, Output.Regions[I].Count); 285 ASSERT_EQ(Input.Regions[I].FileID, Output.Regions[I].FileID); 286 ASSERT_EQ(Input.Regions[I].startLoc(), Output.Regions[I].startLoc()); 287 ASSERT_EQ(Input.Regions[I].endLoc(), Output.Regions[I].endLoc()); 288 ASSERT_EQ(Input.Regions[I].Kind, Output.Regions[I].Kind); 289 } 290 } 291 292 TEST_P(CoverageMappingTest, correct_deserialize_for_more_than_two_files) { 293 const char *FileNames[] = {"bar", "baz", "foo"}; 294 static const unsigned N = array_lengthof(FileNames); 295 296 startFunction("func", 0x1234); 297 for (unsigned I = 0; I < N; ++I) 298 // Use LineStart to hold the index of the file name 299 // in order to preserve that information during possible sorting of CMRs. 300 addCMR(Counter::getCounter(0), FileNames[I], I, 1, I, 1); 301 302 writeAndReadCoverageRegions(); 303 ASSERT_EQ(1u, OutputFunctions.size()); 304 OutputFunctionCoverageData &Output = OutputFunctions.back(); 305 306 ASSERT_EQ(N, Output.Regions.size()); 307 ASSERT_EQ(N, Output.Filenames.size()); 308 309 for (unsigned I = 0; I < N; ++I) { 310 ASSERT_GT(N, Output.Regions[I].FileID); 311 ASSERT_GT(N, Output.Regions[I].LineStart); 312 EXPECT_EQ(FileNames[Output.Regions[I].LineStart], 313 Output.Filenames[Output.Regions[I].FileID]); 314 } 315 } 316 317 static const auto Err = [](Error E) { FAIL(); }; 318 319 TEST_P(CoverageMappingTest, load_coverage_for_more_than_two_files) { 320 ProfileWriter.addRecord({"func", 0x1234, {0}}, Err); 321 322 const char *FileNames[] = {"bar", "baz", "foo"}; 323 static const unsigned N = array_lengthof(FileNames); 324 325 startFunction("func", 0x1234); 326 for (unsigned I = 0; I < N; ++I) 327 // Use LineStart to hold the index of the file name 328 // in order to preserve that information during possible sorting of CMRs. 329 addCMR(Counter::getCounter(0), FileNames[I], I, 1, I, 1); 330 331 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 332 333 for (unsigned I = 0; I < N; ++I) { 334 CoverageData Data = LoadedCoverage->getCoverageForFile(FileNames[I]); 335 ASSERT_TRUE(!Data.empty()); 336 EXPECT_EQ(I, Data.begin()->Line); 337 } 338 } 339 340 TEST_P(CoverageMappingTest, load_coverage_with_bogus_function_name) { 341 ProfileWriter.addRecord({"", 0x1234, {10}}, Err); 342 startFunction("", 0x1234); 343 addCMR(Counter::getCounter(0), "foo", 1, 1, 5, 5); 344 EXPECT_TRUE(ErrorEquals(coveragemap_error::malformed, loadCoverageMapping())); 345 } 346 347 TEST_P(CoverageMappingTest, load_coverage_for_several_functions) { 348 ProfileWriter.addRecord({"func1", 0x1234, {10}}, Err); 349 ProfileWriter.addRecord({"func2", 0x2345, {20}}, Err); 350 351 startFunction("func1", 0x1234); 352 addCMR(Counter::getCounter(0), "foo", 1, 1, 5, 5); 353 354 startFunction("func2", 0x2345); 355 addCMR(Counter::getCounter(0), "bar", 2, 2, 6, 6); 356 357 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 358 359 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 360 EXPECT_EQ(2, std::distance(FunctionRecords.begin(), FunctionRecords.end())); 361 for (const auto &FunctionRecord : FunctionRecords) { 362 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 363 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 364 ASSERT_EQ(2U, Segments.size()); 365 if (FunctionRecord.Name == "func1") { 366 EXPECT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); 367 EXPECT_EQ(CoverageSegment(5, 5, false), Segments[1]); 368 } else { 369 ASSERT_EQ("func2", FunctionRecord.Name); 370 EXPECT_EQ(CoverageSegment(2, 2, 20, true), Segments[0]); 371 EXPECT_EQ(CoverageSegment(6, 6, false), Segments[1]); 372 } 373 } 374 } 375 376 TEST_P(CoverageMappingTest, create_combined_regions) { 377 ProfileWriter.addRecord({"func1", 0x1234, {1, 2, 3}}, Err); 378 startFunction("func1", 0x1234); 379 380 // Given regions which start at the same location, emit a segment for the 381 // last region. 382 addCMR(Counter::getCounter(0), "file1", 1, 1, 2, 2); 383 addCMR(Counter::getCounter(1), "file1", 1, 1, 2, 2); 384 addCMR(Counter::getCounter(2), "file1", 1, 1, 2, 2); 385 386 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 387 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 388 const auto &FunctionRecord = *FunctionRecords.begin(); 389 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 390 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 391 392 ASSERT_EQ(2U, Segments.size()); 393 EXPECT_EQ(CoverageSegment(1, 1, 6, true), Segments[0]); 394 EXPECT_EQ(CoverageSegment(2, 2, false), Segments[1]); 395 } 396 397 TEST_P(CoverageMappingTest, skipped_segments_have_no_count) { 398 ProfileWriter.addRecord({"func1", 0x1234, {1}}, Err); 399 startFunction("func1", 0x1234); 400 401 addCMR(Counter::getCounter(0), "file1", 1, 1, 5, 5); 402 addCMR(Counter::getCounter(0), "file1", 5, 1, 5, 5, /*Skipped=*/true); 403 404 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 405 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 406 const auto &FunctionRecord = *FunctionRecords.begin(); 407 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 408 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 409 410 ASSERT_EQ(3U, Segments.size()); 411 EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); 412 EXPECT_EQ(CoverageSegment(5, 1, true), Segments[1]); 413 EXPECT_EQ(CoverageSegment(5, 5, false), Segments[2]); 414 } 415 416 TEST_P(CoverageMappingTest, multiple_regions_end_after_parent_ends) { 417 ProfileWriter.addRecord({"func1", 0x1234, {1, 0}}, Err); 418 startFunction("func1", 0x1234); 419 420 // 1| F{ a{ 421 // 2| 422 // 3| a} b{ c{ 423 // 4| 424 // 5| b} 425 // 6| 426 // 7| c} d{ e{ 427 // 8| 428 // 9| d} e} F} 429 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); // < F 430 addCMR(Counter::getCounter(0), "file1", 1, 1, 3, 5); // < a 431 addCMR(Counter::getCounter(0), "file1", 3, 5, 5, 4); // < b 432 addCMR(Counter::getCounter(1), "file1", 3, 5, 7, 3); // < c 433 addCMR(Counter::getCounter(1), "file1", 7, 3, 9, 2); // < d 434 addCMR(Counter::getCounter(1), "file1", 7, 7, 9, 7); // < e 435 436 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 437 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 438 const auto &FunctionRecord = *FunctionRecords.begin(); 439 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 440 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 441 442 // Old output (not sorted or unique): 443 // Segment at 1:1 with count 1 444 // Segment at 1:1 with count 1 445 // Segment at 3:5 with count 1 446 // Segment at 3:5 with count 0 447 // Segment at 3:5 with count 1 448 // Segment at 5:4 with count 0 449 // Segment at 7:3 with count 1 450 // Segment at 7:3 with count 0 451 // Segment at 7:7 with count 0 452 // Segment at 9:7 with count 0 453 // Segment at 9:2 with count 1 454 // Top level segment at 9:9 455 456 // New output (sorted and unique): 457 // Segment at 1:1 (count = 1), RegionEntry 458 // Segment at 3:5 (count = 1), RegionEntry 459 // Segment at 5:4 (count = 0) 460 // Segment at 7:3 (count = 0), RegionEntry 461 // Segment at 7:7 (count = 0), RegionEntry 462 // Segment at 9:2 (count = 0) 463 // Segment at 9:7 (count = 1) 464 // Segment at 9:9 (count = 0), Skipped 465 466 ASSERT_EQ(8U, Segments.size()); 467 EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); 468 EXPECT_EQ(CoverageSegment(3, 5, 1, true), Segments[1]); 469 EXPECT_EQ(CoverageSegment(5, 4, 0, false), Segments[2]); 470 EXPECT_EQ(CoverageSegment(7, 3, 0, true), Segments[3]); 471 EXPECT_EQ(CoverageSegment(7, 7, 0, true), Segments[4]); 472 EXPECT_EQ(CoverageSegment(9, 2, 0, false), Segments[5]); 473 EXPECT_EQ(CoverageSegment(9, 7, 1, false), Segments[6]); 474 EXPECT_EQ(CoverageSegment(9, 9, false), Segments[7]); 475 } 476 477 TEST_P(CoverageMappingTest, multiple_completed_segments_at_same_loc) { 478 ProfileWriter.addRecord({"func1", 0x1234, {0, 1, 2}}, Err); 479 startFunction("func1", 0x1234); 480 481 // PR35495 482 addCMR(Counter::getCounter(1), "file1", 2, 1, 18, 2); 483 addCMR(Counter::getCounter(0), "file1", 8, 10, 14, 6); 484 addCMR(Counter::getCounter(0), "file1", 8, 12, 14, 6); 485 addCMR(Counter::getCounter(1), "file1", 9, 1, 14, 6); 486 addCMR(Counter::getCounter(2), "file1", 11, 13, 11, 14); 487 488 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 489 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 490 const auto &FunctionRecord = *FunctionRecords.begin(); 491 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 492 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 493 494 ASSERT_EQ(7U, Segments.size()); 495 EXPECT_EQ(CoverageSegment(2, 1, 1, true), Segments[0]); 496 EXPECT_EQ(CoverageSegment(8, 10, 0, true), Segments[1]); 497 EXPECT_EQ(CoverageSegment(8, 12, 0, true), Segments[2]); 498 EXPECT_EQ(CoverageSegment(9, 1, 1, true), Segments[3]); 499 EXPECT_EQ(CoverageSegment(11, 13, 2, true), Segments[4]); 500 // Use count=1 (from 9:1 -> 14:6), not count=0 (from 8:12 -> 14:6). 501 EXPECT_EQ(CoverageSegment(11, 14, 1, false), Segments[5]); 502 EXPECT_EQ(CoverageSegment(18, 2, false), Segments[6]); 503 } 504 505 TEST_P(CoverageMappingTest, dont_emit_redundant_segments) { 506 ProfileWriter.addRecord({"func1", 0x1234, {1, 1}}, Err); 507 startFunction("func1", 0x1234); 508 509 addCMR(Counter::getCounter(0), "file1", 1, 1, 4, 4); 510 addCMR(Counter::getCounter(1), "file1", 2, 2, 5, 5); 511 addCMR(Counter::getCounter(0), "file1", 3, 3, 6, 6); 512 513 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 514 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 515 const auto &FunctionRecord = *FunctionRecords.begin(); 516 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 517 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 518 519 ASSERT_EQ(5U, Segments.size()); 520 EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); 521 EXPECT_EQ(CoverageSegment(2, 2, 1, true), Segments[1]); 522 EXPECT_EQ(CoverageSegment(3, 3, 1, true), Segments[2]); 523 EXPECT_EQ(CoverageSegment(4, 4, 1, false), Segments[3]); 524 // A closing segment starting at 5:5 would be redundant: it would have the 525 // same count as the segment starting at 4:4, and has all the same metadata. 526 EXPECT_EQ(CoverageSegment(6, 6, false), Segments[4]); 527 } 528 529 TEST_P(CoverageMappingTest, dont_emit_closing_segment_at_new_region_start) { 530 ProfileWriter.addRecord({"func1", 0x1234, {1}}, Err); 531 startFunction("func1", 0x1234); 532 533 addCMR(Counter::getCounter(0), "file1", 1, 1, 6, 5); 534 addCMR(Counter::getCounter(0), "file1", 2, 2, 6, 5); 535 addCMR(Counter::getCounter(0), "file1", 3, 3, 6, 5); 536 addCMR(Counter::getCounter(0), "file1", 6, 5, 7, 7); 537 538 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 539 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 540 const auto &FunctionRecord = *FunctionRecords.begin(); 541 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 542 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 543 544 ASSERT_EQ(5U, Segments.size()); 545 EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); 546 EXPECT_EQ(CoverageSegment(2, 2, 1, true), Segments[1]); 547 EXPECT_EQ(CoverageSegment(3, 3, 1, true), Segments[2]); 548 EXPECT_EQ(CoverageSegment(6, 5, 1, true), Segments[3]); 549 // The old segment builder would get this wrong by emitting multiple segments 550 // which start at 6:5 (a few of which were skipped segments). We should just 551 // get a segment for the region entry. 552 EXPECT_EQ(CoverageSegment(7, 7, false), Segments[4]); 553 } 554 555 TEST_P(CoverageMappingTest, handle_consecutive_regions_with_zero_length) { 556 ProfileWriter.addRecord({"func1", 0x1234, {1, 2}}, Err); 557 startFunction("func1", 0x1234); 558 559 addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); 560 addCMR(Counter::getCounter(1), "file1", 1, 1, 1, 1); 561 addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); 562 addCMR(Counter::getCounter(1), "file1", 1, 1, 1, 1); 563 addCMR(Counter::getCounter(0), "file1", 1, 1, 1, 1); 564 565 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 566 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 567 const auto &FunctionRecord = *FunctionRecords.begin(); 568 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 569 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 570 571 ASSERT_EQ(1U, Segments.size()); 572 EXPECT_EQ(CoverageSegment(1, 1, true), Segments[0]); 573 // We need to get a skipped segment starting at 1:1. In this case there is 574 // also a region entry at 1:1. 575 } 576 577 TEST_P(CoverageMappingTest, handle_sandwiched_zero_length_region) { 578 ProfileWriter.addRecord({"func1", 0x1234, {2, 1}}, Err); 579 startFunction("func1", 0x1234); 580 581 addCMR(Counter::getCounter(0), "file1", 1, 5, 4, 4); 582 addCMR(Counter::getCounter(1), "file1", 1, 9, 1, 50); 583 addCMR(Counter::getCounter(1), "file1", 2, 7, 2, 34); 584 addCMR(Counter::getCounter(1), "file1", 3, 5, 3, 21); 585 addCMR(Counter::getCounter(1), "file1", 3, 21, 3, 21); 586 addCMR(Counter::getCounter(1), "file1", 4, 12, 4, 17); 587 588 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 589 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 590 const auto &FunctionRecord = *FunctionRecords.begin(); 591 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 592 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 593 594 ASSERT_EQ(10U, Segments.size()); 595 EXPECT_EQ(CoverageSegment(1, 5, 2, true), Segments[0]); 596 EXPECT_EQ(CoverageSegment(1, 9, 1, true), Segments[1]); 597 EXPECT_EQ(CoverageSegment(1, 50, 2, false), Segments[2]); 598 EXPECT_EQ(CoverageSegment(2, 7, 1, true), Segments[3]); 599 EXPECT_EQ(CoverageSegment(2, 34, 2, false), Segments[4]); 600 EXPECT_EQ(CoverageSegment(3, 5, 1, true), Segments[5]); 601 EXPECT_EQ(CoverageSegment(3, 21, 2, true), Segments[6]); 602 // Handle the zero-length region by creating a segment with its predecessor's 603 // count (i.e the count from 1:5 -> 4:4). 604 EXPECT_EQ(CoverageSegment(4, 4, false), Segments[7]); 605 // The area between 4:4 and 4:12 is skipped. 606 EXPECT_EQ(CoverageSegment(4, 12, 1, true), Segments[8]); 607 EXPECT_EQ(CoverageSegment(4, 17, false), Segments[9]); 608 } 609 610 TEST_P(CoverageMappingTest, handle_last_completed_region) { 611 ProfileWriter.addRecord({"func1", 0x1234, {1, 2, 3, 4}}, Err); 612 startFunction("func1", 0x1234); 613 614 addCMR(Counter::getCounter(0), "file1", 1, 1, 8, 8); 615 addCMR(Counter::getCounter(1), "file1", 2, 2, 5, 5); 616 addCMR(Counter::getCounter(2), "file1", 3, 3, 4, 4); 617 addCMR(Counter::getCounter(3), "file1", 6, 6, 7, 7); 618 619 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 620 const auto FunctionRecords = LoadedCoverage->getCoveredFunctions(); 621 const auto &FunctionRecord = *FunctionRecords.begin(); 622 CoverageData Data = LoadedCoverage->getCoverageForFunction(FunctionRecord); 623 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 624 625 ASSERT_EQ(8U, Segments.size()); 626 EXPECT_EQ(CoverageSegment(1, 1, 1, true), Segments[0]); 627 EXPECT_EQ(CoverageSegment(2, 2, 2, true), Segments[1]); 628 EXPECT_EQ(CoverageSegment(3, 3, 3, true), Segments[2]); 629 EXPECT_EQ(CoverageSegment(4, 4, 2, false), Segments[3]); 630 EXPECT_EQ(CoverageSegment(5, 5, 1, false), Segments[4]); 631 EXPECT_EQ(CoverageSegment(6, 6, 4, true), Segments[5]); 632 EXPECT_EQ(CoverageSegment(7, 7, 1, false), Segments[6]); 633 EXPECT_EQ(CoverageSegment(8, 8, false), Segments[7]); 634 } 635 636 TEST_P(CoverageMappingTest, expansion_gets_first_counter) { 637 startFunction("func", 0x1234); 638 addCMR(Counter::getCounter(1), "foo", 10, 1, 10, 2); 639 // This starts earlier in "foo", so the expansion should get its counter. 640 addCMR(Counter::getCounter(2), "foo", 1, 1, 20, 1); 641 addExpansionCMR("bar", "foo", 3, 3, 3, 3); 642 643 writeAndReadCoverageRegions(); 644 ASSERT_EQ(1u, OutputFunctions.size()); 645 OutputFunctionCoverageData &Output = OutputFunctions.back(); 646 647 ASSERT_EQ(CounterMappingRegion::ExpansionRegion, Output.Regions[2].Kind); 648 ASSERT_EQ(Counter::getCounter(2), Output.Regions[2].Count); 649 ASSERT_EQ(3U, Output.Regions[2].LineStart); 650 } 651 652 TEST_P(CoverageMappingTest, basic_coverage_iteration) { 653 ProfileWriter.addRecord({"func", 0x1234, {30, 20, 10, 0}}, Err); 654 655 startFunction("func", 0x1234); 656 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 657 addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); 658 addCMR(Counter::getCounter(2), "file1", 5, 8, 9, 1); 659 addCMR(Counter::getCounter(3), "file1", 10, 10, 11, 11); 660 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 661 662 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 663 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 664 ASSERT_EQ(7U, Segments.size()); 665 ASSERT_EQ(CoverageSegment(1, 1, 20, true), Segments[0]); 666 ASSERT_EQ(CoverageSegment(4, 7, 30, false), Segments[1]); 667 ASSERT_EQ(CoverageSegment(5, 8, 10, true), Segments[2]); 668 ASSERT_EQ(CoverageSegment(9, 1, 30, false), Segments[3]); 669 ASSERT_EQ(CoverageSegment(9, 9, false), Segments[4]); 670 ASSERT_EQ(CoverageSegment(10, 10, 0, true), Segments[5]); 671 ASSERT_EQ(CoverageSegment(11, 11, false), Segments[6]); 672 } 673 674 TEST_P(CoverageMappingTest, test_line_coverage_iterator) { 675 ProfileWriter.addRecord({"func", 0x1234, {30, 20, 10, 0}}, Err); 676 677 startFunction("func", 0x1234); 678 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 679 addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); 680 addCMR(Counter::getCounter(2), "file1", 5, 8, 9, 1); 681 addCMR(Counter::getCounter(3), "file1", 10, 10, 11, 11); 682 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 683 684 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 685 686 unsigned Line = 0; 687 unsigned LineCounts[] = {20, 20, 20, 20, 10, 10, 10, 10, 10, 0, 0}; 688 for (const auto &LCS : getLineCoverageStats(Data)) { 689 ASSERT_EQ(Line + 1, LCS.getLine()); 690 errs() << "Line: " << Line + 1 << ", count = " << LCS.getExecutionCount() << "\n"; 691 ASSERT_EQ(LineCounts[Line], LCS.getExecutionCount()); 692 ++Line; 693 } 694 ASSERT_EQ(11U, Line); 695 } 696 697 TEST_P(CoverageMappingTest, uncovered_function) { 698 startFunction("func", 0x1234); 699 addCMR(Counter::getZero(), "file1", 1, 2, 3, 4); 700 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 701 702 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 703 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 704 ASSERT_EQ(2U, Segments.size()); 705 ASSERT_EQ(CoverageSegment(1, 2, 0, true), Segments[0]); 706 ASSERT_EQ(CoverageSegment(3, 4, false), Segments[1]); 707 } 708 709 TEST_P(CoverageMappingTest, uncovered_function_with_mapping) { 710 startFunction("func", 0x1234); 711 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 712 addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7); 713 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 714 715 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 716 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 717 ASSERT_EQ(3U, Segments.size()); 718 ASSERT_EQ(CoverageSegment(1, 1, 0, true), Segments[0]); 719 ASSERT_EQ(CoverageSegment(4, 7, 0, false), Segments[1]); 720 ASSERT_EQ(CoverageSegment(9, 9, false), Segments[2]); 721 } 722 723 TEST_P(CoverageMappingTest, combine_regions) { 724 ProfileWriter.addRecord({"func", 0x1234, {10, 20, 30}}, Err); 725 726 startFunction("func", 0x1234); 727 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 728 addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4); 729 addCMR(Counter::getCounter(2), "file1", 3, 3, 4, 4); 730 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 731 732 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 733 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 734 ASSERT_EQ(4U, Segments.size()); 735 ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); 736 ASSERT_EQ(CoverageSegment(3, 3, 50, true), Segments[1]); 737 ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]); 738 ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]); 739 } 740 741 TEST_P(CoverageMappingTest, restore_combined_counter_after_nested_region) { 742 ProfileWriter.addRecord({"func", 0x1234, {10, 20, 40}}, Err); 743 744 startFunction("func", 0x1234); 745 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 746 addCMR(Counter::getCounter(1), "file1", 1, 1, 9, 9); 747 addCMR(Counter::getCounter(2), "file1", 3, 3, 5, 5); 748 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 749 750 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 751 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 752 ASSERT_EQ(4U, Segments.size()); 753 EXPECT_EQ(CoverageSegment(1, 1, 30, true), Segments[0]); 754 EXPECT_EQ(CoverageSegment(3, 3, 40, true), Segments[1]); 755 EXPECT_EQ(CoverageSegment(5, 5, 30, false), Segments[2]); 756 EXPECT_EQ(CoverageSegment(9, 9, false), Segments[3]); 757 } 758 759 // If CodeRegions and ExpansionRegions cover the same area, 760 // only counts of CodeRegions should be used. 761 TEST_P(CoverageMappingTest, dont_combine_expansions) { 762 ProfileWriter.addRecord({"func", 0x1234, {10, 20}}, Err); 763 ProfileWriter.addRecord({"func", 0x1234, {0, 0}}, Err); 764 765 startFunction("func", 0x1234); 766 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 767 addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4); 768 addCMR(Counter::getCounter(1), "include1", 6, 6, 7, 7); 769 addExpansionCMR("file1", "include1", 3, 3, 4, 4); 770 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 771 772 CoverageData Data = LoadedCoverage->getCoverageForFile("file1"); 773 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 774 ASSERT_EQ(4U, Segments.size()); 775 ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); 776 ASSERT_EQ(CoverageSegment(3, 3, 20, true), Segments[1]); 777 ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]); 778 ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]); 779 } 780 781 // If an area is covered only by ExpansionRegions, they should be combinated. 782 TEST_P(CoverageMappingTest, combine_expansions) { 783 ProfileWriter.addRecord({"func", 0x1234, {2, 3, 7}}, Err); 784 785 startFunction("func", 0x1234); 786 addCMR(Counter::getCounter(1), "include1", 1, 1, 1, 10); 787 addCMR(Counter::getCounter(2), "include2", 1, 1, 1, 10); 788 addCMR(Counter::getCounter(0), "file", 1, 1, 5, 5); 789 addExpansionCMR("file", "include1", 3, 1, 3, 5); 790 addExpansionCMR("file", "include2", 3, 1, 3, 5); 791 792 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 793 794 CoverageData Data = LoadedCoverage->getCoverageForFile("file"); 795 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 796 ASSERT_EQ(4U, Segments.size()); 797 EXPECT_EQ(CoverageSegment(1, 1, 2, true), Segments[0]); 798 EXPECT_EQ(CoverageSegment(3, 1, 10, true), Segments[1]); 799 EXPECT_EQ(CoverageSegment(3, 5, 2, false), Segments[2]); 800 EXPECT_EQ(CoverageSegment(5, 5, false), Segments[3]); 801 } 802 803 TEST_P(CoverageMappingTest, strip_filename_prefix) { 804 ProfileWriter.addRecord({"file1:func", 0x1234, {0}}, Err); 805 806 startFunction("file1:func", 0x1234); 807 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 808 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 809 810 std::vector<std::string> Names; 811 for (const auto &Func : LoadedCoverage->getCoveredFunctions()) 812 Names.push_back(Func.Name); 813 ASSERT_EQ(1U, Names.size()); 814 ASSERT_EQ("func", Names[0]); 815 } 816 817 TEST_P(CoverageMappingTest, strip_unknown_filename_prefix) { 818 ProfileWriter.addRecord({"<unknown>:func", 0x1234, {0}}, Err); 819 820 startFunction("<unknown>:func", 0x1234); 821 addCMR(Counter::getCounter(0), "", 1, 1, 9, 9); 822 EXPECT_THAT_ERROR(loadCoverageMapping(/*EmitFilenames=*/false), Succeeded()); 823 824 std::vector<std::string> Names; 825 for (const auto &Func : LoadedCoverage->getCoveredFunctions()) 826 Names.push_back(Func.Name); 827 ASSERT_EQ(1U, Names.size()); 828 ASSERT_EQ("func", Names[0]); 829 } 830 831 TEST_P(CoverageMappingTest, dont_detect_false_instantiations) { 832 ProfileWriter.addRecord({"foo", 0x1234, {10}}, Err); 833 ProfileWriter.addRecord({"bar", 0x2345, {20}}, Err); 834 835 startFunction("foo", 0x1234); 836 addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); 837 addExpansionCMR("main", "expanded", 4, 1, 4, 5); 838 839 startFunction("bar", 0x2345); 840 addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); 841 addExpansionCMR("main", "expanded", 9, 1, 9, 5); 842 843 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 844 845 std::vector<InstantiationGroup> InstantiationGroups = 846 LoadedCoverage->getInstantiationGroups("expanded"); 847 ASSERT_TRUE(InstantiationGroups.empty()); 848 } 849 850 TEST_P(CoverageMappingTest, load_coverage_for_expanded_file) { 851 ProfileWriter.addRecord({"func", 0x1234, {10}}, Err); 852 853 startFunction("func", 0x1234); 854 addCMR(Counter::getCounter(0), "expanded", 1, 1, 1, 10); 855 addExpansionCMR("main", "expanded", 4, 1, 4, 5); 856 857 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 858 859 CoverageData Data = LoadedCoverage->getCoverageForFile("expanded"); 860 std::vector<CoverageSegment> Segments(Data.begin(), Data.end()); 861 ASSERT_EQ(2U, Segments.size()); 862 EXPECT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]); 863 EXPECT_EQ(CoverageSegment(1, 10, false), Segments[1]); 864 } 865 866 TEST_P(CoverageMappingTest, skip_duplicate_function_record) { 867 ProfileWriter.addRecord({"func", 0x1234, {1}}, Err); 868 869 // This record should be loaded. 870 startFunction("func", 0x1234); 871 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 872 873 // This record should be loaded. 874 startFunction("func", 0x1234); 875 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 876 addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); 877 878 // This record should be skipped. 879 startFunction("func", 0x1234); 880 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 881 882 // This record should be loaded. 883 startFunction("func", 0x1234); 884 addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); 885 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 886 887 // This record should be skipped. 888 startFunction("func", 0x1234); 889 addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9); 890 addCMR(Counter::getCounter(0), "file2", 1, 1, 9, 9); 891 892 EXPECT_THAT_ERROR(loadCoverageMapping(), Succeeded()); 893 894 auto Funcs = LoadedCoverage->getCoveredFunctions(); 895 unsigned NumFuncs = std::distance(Funcs.begin(), Funcs.end()); 896 ASSERT_EQ(3U, NumFuncs); 897 } 898 899 // FIXME: Use ::testing::Combine() when llvm updates its copy of googletest. 900 INSTANTIATE_TEST_CASE_P(ParameterizedCovMapTest, CoverageMappingTest, 901 ::testing::Values(std::pair<bool, bool>({false, false}), 902 std::pair<bool, bool>({false, true}), 903 std::pair<bool, bool>({true, false}), 904 std::pair<bool, bool>({true, true})),); 905 906 TEST(CoverageMappingTest, filename_roundtrip) { 907 std::vector<std::string> Paths({"", "a", "b", "c", "d", "e"}); 908 909 for (bool Compress : {false, true}) { 910 std::string EncodedFilenames; 911 { 912 raw_string_ostream OS(EncodedFilenames); 913 CoverageFilenamesSectionWriter Writer(Paths); 914 Writer.write(OS, Compress); 915 } 916 917 std::vector<std::string> ReadFilenames; 918 RawCoverageFilenamesReader Reader(EncodedFilenames, ReadFilenames); 919 EXPECT_THAT_ERROR(Reader.read(CovMapVersion::CurrentVersion), Succeeded()); 920 921 ASSERT_EQ(ReadFilenames.size(), Paths.size()); 922 for (unsigned I = 1; I < Paths.size(); ++I) 923 ASSERT_TRUE(ReadFilenames[I] == Paths[I]); 924 } 925 } 926 927 } // end anonymous namespace 928