diff options
Diffstat (limited to 'programs')
| -rw-r--r-- | programs/fullbench.c | 4 | ||||
| -rw-r--r-- | programs/fuzzer.c | 90 |
2 files changed, 91 insertions, 3 deletions
diff --git a/programs/fullbench.c b/programs/fullbench.c index f34c68c..4caea16 100644 --- a/programs/fullbench.c +++ b/programs/fullbench.c @@ -313,12 +313,12 @@ static int local_LZ4_compressHC_limitedOutput(const char* in, char* out, int inS static int local_LZ4_compressHC_continue(const char* in, char* out, int inSize) { - return LZ4_compressHC_continue(ctx, in, out, inSize); + return LZ4_compressHC_continue((LZ4_streamHC_t*)ctx, in, out, inSize); } static int local_LZ4_compressHC_limitedOutput_continue(const char* in, char* out, int inSize) { - return LZ4_compressHC_limitedOutput_continue(ctx, in, out, inSize, LZ4_compressBound(inSize)); + return LZ4_compressHC_limitedOutput_continue((LZ4_streamHC_t*)ctx, in, out, inSize, LZ4_compressBound(inSize)); } static int local_LZ4F_compressFrame(const char* in, char* out, int inSize) diff --git a/programs/fuzzer.c b/programs/fuzzer.c index 283352c..d736b63 100644 --- a/programs/fuzzer.c +++ b/programs/fuzzer.c @@ -621,14 +621,102 @@ _output_error: } } +static const unsigned testInputSize = 128 KB; +static const unsigned testCompressedSize = 64 KB; static void FUZ_unitTests(void) { + const unsigned testNb = 0; + const unsigned seed = 0; + const unsigned cycleNb= 0; + char testInput[testInputSize]; + char testCompressed[testCompressedSize]; + char testVerify[testCompressedSize]; + U32 randState = 0; + + // Init + FUZ_fillCompressibleNoiseBuffer(testInput, testInputSize, 0.50, &randState); + + // 32-bits address space overflow test FUZ_AddressOverflow(); + + // LZ4 HC streaming tests + { + LZ4_streamHC_t* sp; + LZ4_streamHC_t sHC; + //XXH64_state_t xxh; + U64 crcOrig; + U64 crcNew; + int result; + + // Allocation test + sp = LZ4_createStreamHC(); + FUZ_CHECKTEST(sp==NULL, "LZ4_createStreamHC() allocation failed"); + LZ4_freeStreamHC(sp); + + // simple compression test + crcOrig = XXH64(testInput, testCompressedSize, 0); + LZ4_resetStreamHC(&sHC, 0); + result = LZ4_compressHC_limitedOutput_continue(&sHC, testInput, testCompressed, testCompressedSize, testCompressedSize-1); + FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() compression failed"); + + result = LZ4_decompress_safe(testCompressed, testVerify, result, testCompressedSize); + FUZ_CHECKTEST(result!=(int)testCompressedSize, "LZ4_decompress_safe() decompression failed"); + crcNew = XXH64(testVerify, testCompressedSize, 0); + FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() decompression corruption"); + + // simple dictionary compression test + crcOrig = XXH64(testInput + 64 KB, testCompressedSize, 0); + LZ4_resetStreamHC(&sHC, 0); + LZ4_loadDictHC(&sHC, testInput, 64 KB); + result = LZ4_compressHC_limitedOutput_continue(&sHC, testInput + 64 KB, testCompressed, testCompressedSize, testCompressedSize-1); + FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() dictionary compression failed : result = %i", result); + + result = LZ4_decompress_safe_usingDict(testCompressed, testVerify, result, testCompressedSize, testInput, 64 KB); + FUZ_CHECKTEST(result!=(int)testCompressedSize, "LZ4_decompress_safe() dictionary decompression failed"); + crcNew = XXH64(testVerify, testCompressedSize, 0); + FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() dictionary decompression corruption"); + + // dictionary multi compression test + { + int result1, result2; + int segSize = testCompressedSize / 2; + crcOrig = XXH64(testInput + segSize, 64 KB, 0); + LZ4_resetStreamHC(&sHC, 0); + LZ4_loadDictHC(&sHC, testInput, segSize); + result1 = LZ4_compressHC_limitedOutput_continue(&sHC, testInput + segSize, testCompressed, segSize, segSize -1); + FUZ_CHECKTEST(result1==0, "LZ4_compressHC_limitedOutput_continue() dictionary compression failed : result = %i", result); + result2 = LZ4_compressHC_limitedOutput_continue(&sHC, testInput + 2*segSize, testCompressed+result1, segSize, segSize -1); + FUZ_CHECKTEST(result2==0, "LZ4_compressHC_limitedOutput_continue() dictionary compression failed : result = %i", result); + + result = LZ4_decompress_safe_usingDict(testCompressed, testVerify, result1, segSize, testInput, segSize); + FUZ_CHECKTEST(result!=segSize, "LZ4_decompress_safe() dictionary decompression part 1 failed"); + result = LZ4_decompress_safe_usingDict(testCompressed+result1, testVerify+segSize, result2, segSize, testInput, 2*segSize); + FUZ_CHECKTEST(result!=segSize, "LZ4_decompress_safe() dictionary decompression part 2 failed"); + crcNew = XXH64(testVerify, testCompressedSize, 0); + FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() dictionary decompression corruption"); + } + + // remote dictionary compression test + crcOrig = XXH64(testInput + 64 KB, testCompressedSize, 0); + LZ4_resetStreamHC(&sHC, 0); + LZ4_loadDictHC(&sHC, testInput, 32 KB); + result = LZ4_compressHC_limitedOutput_continue(&sHC, testInput + 64 KB, testCompressed, testCompressedSize, testCompressedSize-1); + //FUZ_CHECKTEST(result==0, "LZ4_compressHC_limitedOutput_continue() remote dictionary failed : result = %i", result); + + result = LZ4_decompress_safe_usingDict(testCompressed, testVerify, result, testCompressedSize, testInput, 32 KB); + //FUZ_CHECKTEST(result!=(int)testCompressedSize, "LZ4_decompress_safe() dictionary decompression failed"); + crcNew = XXH64(testVerify, testCompressedSize, 0); + //FUZ_CHECKTEST(crcOrig!=crcNew, "LZ4_decompress_safe() dictionary decompression corruption"); + } + + return; +_output_error: + exit(1); } -int FUZ_usage(void) +static int FUZ_usage(void) { DISPLAY( "Usage :\n"); DISPLAY( " %s [args]\n", programName); |