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fix : ZSTDMT_compress_advanced() correctly generates checksum

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when params.fParams.checksumFlag==1.
This use case used to be impossible when only ZSTD_compress() was available
This commit is contained in:
Yann Collet
2017-07-11 17:18:26 -07:00
parent 2a62f48bf4
commit 052a95f77c
4 changed files with 56 additions and 26 deletions
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20
tests/fuzzer.c
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@ -278,9 +278,6 @@ static int basicUnitTests(U32 seed, double compressibility)
}
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
/* memory tests */
FUZ_mallocTests(seed, compressibility);
/* Basic tests */
DISPLAYLEVEL(4, "test%3i : ZSTD_getErrorName : ", testNb++);
{ const char* errorString = ZSTD_getErrorName(0);
@ -479,6 +476,23 @@ static int basicUnitTests(U32 seed, double compressibility)
} }
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : compress -T2 with checksum : ", testNb++);
{ ZSTD_parameters params = ZSTD_getParams(1, CNBuffSize, 0);
params.fParams.checksumFlag = 1;
params.fParams.contentSizeFlag = 1;
CHECKPLUS(r, ZSTDMT_compress_advanced(mtctx,
compressedBuffer, compressedBufferSize,
CNBuffer, CNBuffSize,
NULL, params, 3 /*overlapRLog*/),
cSize=r );
}
DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBuffSize*100);
DISPLAYLEVEL(4, "test%3i : decompress %u bytes : ", testNb++, (U32)CNBuffSize);
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBuffSize, compressedBuffer, cSize);
if (r != CNBuffSize) goto _output_error; }
DISPLAYLEVEL(4, "OK \n");
ZSTDMT_freeCCtx(mtctx);
}