diff options
Diffstat (limited to 'programs/fuzzer.c')
| -rw-r--r-- | programs/fuzzer.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/programs/fuzzer.c b/programs/fuzzer.c index 9fd4648..6588290 100644 --- a/programs/fuzzer.c +++ b/programs/fuzzer.c @@ -396,6 +396,41 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c /* Compression tests */ + /* Test compression destSize */ + FUZ_DISPLAYTEST; + { + int srcSize = blockSize; + int targetSize = srcSize * ((FUZ_rand(&randState) & 127)+1) >> 7; + char endCheck = FUZ_rand(&randState) & 255; + compressedBuffer[targetSize] = endCheck; + ret = LZ4_compress_destSize(block, compressedBuffer, &srcSize, targetSize); + FUZ_CHECKTEST(ret > targetSize, "LZ4_compress_destSize() result larger than dst buffer !"); + FUZ_CHECKTEST(compressedBuffer[targetSize] != endCheck, "LZ4_compress_destSize() overwrite dst buffer !"); + FUZ_CHECKTEST(srcSize > blockSize, "LZ4_compress_destSize() fed more than src buffer !"); + DISPLAY("destSize : %7i/%7i; content%7i/%7i ", ret, targetSize, srcSize, blockSize); + if (targetSize>0) + { + FUZ_CHECKTEST((ret==0), "LZ4_compress_destSize() compression failed"); + /* check correctness */ + FUZ_DISPLAYTEST; + + crcOrig = XXH32(block, srcSize, 0); + compressedSize = ret; + endCheck = FUZ_rand(&randState) & 255; + decodedBuffer[srcSize] = endCheck; + ret = LZ4_decompress_safe(compressedBuffer, decodedBuffer, compressedSize, srcSize); + FUZ_CHECKTEST(ret<0, "LZ4_decompress_safe() failed on data compressed by LZ4_compress_destSize"); + FUZ_CHECKTEST(ret!=srcSize, "LZ4_decompress_safe() failed : did not fully decompressed data"); + FUZ_CHECKTEST(decodedBuffer[srcSize] != endCheck, "LZ4_decompress_safe() overwrite dst buffer !"); + crcCheck = XXH32(decodedBuffer, srcSize, 0); + FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_safe() corrupted decoded data"); + + DISPLAY(" OK \n"); + } + else + DISPLAY(" \n"); + } + /* Test compression HC */ FUZ_DISPLAYTEST; ret = LZ4_compressHC(block, compressedBuffer, blockSize); |