AuroraMiddleware/zstd
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add test to fuzzer.c

Browse Source
This commit is contained in:
senhuang42 2020-10-27 16:57:24 -04:00
parent 17b700d78a
commit db0b5d7d1e
1 changed files with 36 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
tests/fuzzer.c
View File

@ -385,6 +385,42 @@ static int basicUnitTests(U32 const seed, double compressibility)
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : LDM + opt parser with uncompressible block ", testNb++);
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
ZSTD_DCtx* dctx = ZSTD_createDCtx();
size_t const srcSize = 300 KB;
size_t const flushSize = 128 KB + 5;
size_t const dstSize = ZSTD_compressBound(srcSize);
char* src = CNBuffer;
char* dst = compressedBuffer;
ZSTD_outBuffer out = { dst, dstSize, 0 };
ZSTD_inBuffer in = { src, flushSize, 0 };
RDG_genBuffer(src, srcSize, 0.5, 0.5, seed);
/* Force an LDM to exist that crosses block boundary into uncompressible block */
memcpy(src + 125 KB, src, 3 KB + 5);
/* Enable MT, LDM, and opt parser */
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_nbWorkers, 1));
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_enableLongDistanceMatching, 1));
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1));
CHECK_Z(ZSTD_CCtx_setParameter(cctx, ZSTD_c_compressionLevel, 19));
/* Flushes a block of 128 KB and block of 5 bytes */
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_flush));
/* Compress the rest */
in.size = 300 KB;
CHECK_Z(ZSTD_compressStream2(cctx, &out, &in, ZSTD_e_end));
CHECK_Z(ZSTD_decompress(decodedBuffer, CNBuffSize, dst, out.pos));
ZSTD_freeCCtx(cctx);
ZSTD_freeDCtx(dctx);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3u : compress %u bytes : ", testNb++, (unsigned)CNBuffSize);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
if (cctx==NULL) goto _output_error;