diff options
Diffstat (limited to 'tests/fuzzer.c')
| -rw-r--r-- | tests/fuzzer.c | 71 |
1 files changed, 35 insertions, 36 deletions
diff --git a/tests/fuzzer.c b/tests/fuzzer.c index 2e22912..c134fe3 100644 --- a/tests/fuzzer.c +++ b/tests/fuzzer.c @@ -345,10 +345,9 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c FUZ_CHECKTEST(crcDec!=crcBase, "LZ4_decompress_safe() corrupted decoded data"); } DISPLAYLEVEL(5, " OK \n"); - } - else + } else { DISPLAYLEVEL(5, " \n"); - } + } } /* Test compression HC destSize */ FUZ_DISPLAYTEST; @@ -359,11 +358,14 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c FUZ_CHECKTEST(ctx==NULL, "LZ4_createHC() allocation failed"); compressedBuffer[targetSize] = endCheck; ret = LZ4_compress_HC_destSize(ctx, block, compressedBuffer, &srcSize, targetSize, compressionLevel); + DISPLAYLEVEL(5, "LZ4_compress_HC_destSize(%i): destSize : %7i/%7i; content%7i/%7i ", + compressionLevel, ret, targetSize, srcSize, blockSize); LZ4_freeHC(ctx); FUZ_CHECKTEST(ret > targetSize, "LZ4_compress_HC_destSize() result larger than dst buffer !"); FUZ_CHECKTEST(compressedBuffer[targetSize] != endCheck, "LZ4_compress_HC_destSize() overwrite dst buffer !"); FUZ_CHECKTEST(srcSize > blockSize, "LZ4_compress_HC_destSize() fed more than src buffer !"); - DISPLAYLEVEL(5, "destSize : %7i/%7i; content%7i/%7i ", ret, targetSize, srcSize, blockSize); + DISPLAYLEVEL(5, "LZ4_compress_HC_destSize(%i): destSize : %7i/%7i; content%7i/%7i ", + compressionLevel, ret, targetSize, srcSize, blockSize); if (targetSize>0) { /* check correctness */ U32 const crcBase = XXH32(block, srcSize, 0); @@ -376,14 +378,13 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c FUZ_CHECKTEST(ret<0, "LZ4_decompress_safe() failed on data compressed by LZ4_compressHC_destSize"); FUZ_CHECKTEST(ret!=srcSize, "LZ4_decompress_safe() failed : did not fully decompressed data"); FUZ_CHECKTEST(decodedBuffer[srcSize] != canary, "LZ4_decompress_safe() overwrite dst buffer !"); - { U32 const crcDec = XXH32(decodedBuffer, srcSize, 0); - FUZ_CHECKTEST(crcDec!=crcBase, "LZ4_decompress_safe() corrupted decoded data"); } - + { U32 const crcDec = XXH32(decodedBuffer, srcSize, 0); + FUZ_CHECKTEST(crcDec!=crcBase, "LZ4_decompress_safe() corrupted decoded data"); + } DISPLAYLEVEL(5, " OK \n"); - } - else + } else { DISPLAYLEVEL(5, " \n"); - } + } } /* Test compression HC */ FUZ_DISPLAYTEST; @@ -460,8 +461,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c // Test decoding with output size being 10 bytes too short => must fail FUZ_DISPLAYTEST; - if (blockSize>10) - { + if (blockSize>10) { decodedBuffer[blockSize-10] = 0; ret = LZ4_decompress_safe(compressedBuffer, decodedBuffer, compressedSize, blockSize-10); FUZ_CHECKTEST(ret>=0, "LZ4_decompress_safe should have failed, due to Output Size being 10 bytes too short"); @@ -632,6 +632,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c if (dict < (char*)CNBuffer) dict = (char*)CNBuffer; LZ4_resetStreamHC (&LZ4dictHC, compressionLevel); LZ4_loadDictHC(&LZ4dictHC, dict, dictSize); + LZ4_setCompressionLevel(&LZ4dictHC, compressionLevel-1); blockContinueCompressedSize = LZ4_compress_HC_continue(&LZ4dictHC, block, compressedBuffer, blockSize, (int)compressedBufferSize); FUZ_CHECKTEST(blockContinueCompressedSize==0, "LZ4_compress_HC_continue failed"); @@ -657,7 +658,7 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe_usingDict corrupted decoded data"); /* Compress HC continue destSize */ - FUZ_DISPLAYTEST; + FUZ_DISPLAYTEST; { int const availableSpace = (FUZ_rand(&randState) % blockSize) + 5; int consumedSize = blockSize; FUZ_DISPLAYTEST; @@ -898,7 +899,6 @@ static void FUZ_unitTests(int compressionLevel) } dict = dst; - //dict = testInput + segStart; dictSize = segSize; dst += segSize + 1; @@ -972,28 +972,27 @@ static void FUZ_unitTests(int compressionLevel) #define BSIZE2 16435 /* first block */ - - messageSize = BSIZE1; - XXH64_update(&xxhOrig, testInput + iNext, messageSize); - crcOrig = XXH64_digest(&xxhOrig); - - result = LZ4_compress_HC_continue(&sHC, testInput + iNext, testCompressed, messageSize, testCompressedSize-ringBufferSize); - FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() compression failed"); - - result = LZ4_decompress_safe_continue(&decodeState, testCompressed, testVerify + dNext, result, messageSize); - FUZ_CHECKTEST(result!=(int)messageSize, "64K D.ringBuffer : LZ4_decompress_safe() test failed"); - - XXH64_update(&xxhNew, testVerify + dNext, messageSize); - { U64 const crcNew = XXH64_digest(&xxhNew); - FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() decompression corruption"); } - - /* prepare next message */ - dNext += messageSize; - totalMessageSize += messageSize; - messageSize = BSIZE2; - iNext = 132000; - memcpy(testInput + iNext, testInput + 8, messageSize); - if (dNext > dBufferSize) dNext = 0; + messageSize = BSIZE1; + XXH64_update(&xxhOrig, testInput + iNext, messageSize); + crcOrig = XXH64_digest(&xxhOrig); + + result = LZ4_compress_HC_continue(&sHC, testInput + iNext, testCompressed, messageSize, testCompressedSize-ringBufferSize); + FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() compression failed"); + + result = LZ4_decompress_safe_continue(&decodeState, testCompressed, testVerify + dNext, result, messageSize); + FUZ_CHECKTEST(result!=(int)messageSize, "64K D.ringBuffer : LZ4_decompress_safe() test failed"); + + XXH64_update(&xxhNew, testVerify + dNext, messageSize); + { U64 const crcNew = XXH64_digest(&xxhNew); + FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() decompression corruption"); } + + /* prepare next message */ + dNext += messageSize; + totalMessageSize += messageSize; + messageSize = BSIZE2; + iNext = 132000; + memcpy(testInput + iNext, testInput + 8, messageSize); + if (dNext > dBufferSize) dNext = 0; while (totalMessageSize < 9 MB) { XXH64_update(&xxhOrig, testInput + iNext, messageSize); |