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new api fuzzer tests : frame parameters are randonly set

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This commit is contained in:
Yann Collet 2017-06-18 23:41:38 -07:00
parent ea3630a889
commit f5deae8a67
1 changed files with 6 additions and 6 deletions
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12
tests/zstreamtest.c
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@ -1282,7 +1282,7 @@ static int fuzzerTests_newAPI(U32 seed, U32 nbTests, unsigned startTest, double
cParams.chainLog += (FUZ_rand(&lseed) & 3) - 1;
cParams.searchLog += (FUZ_rand(&lseed) & 3) - 1;
cParams.searchLength += (FUZ_rand(&lseed) & 3) - 1;
cParams.targetLength = (U32)(cParams.targetLength * (0.5 + ((FUZ_rand(&lseed) & 127) * 128)));
cParams.targetLength = (U32)(cParams.targetLength * (0.5 + ((double)(FUZ_rand(&lseed) & 127) / 128)));
cParams = ZSTD_adjustCParams(cParams, 0, 0);
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_windowLog, cParams.windowLog) );
@ -1293,15 +1293,15 @@ static int fuzzerTests_newAPI(U32 seed, U32 nbTests, unsigned startTest, double
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_targetLength, cParams.targetLength) );
if (FUZ_rand(&lseed) & 1) { dict=NULL; dictSize=0; }
CHECK_Z( ZSTD_CCtx_loadDictionary(zc, dict, dictSize) );
CHECK_Z( ZSTD_CCtx_loadDictionary(zc, dict, dictSize) ); /* unconditionally set, to be sync with decoder (could be improved) */
/* to do : check that cParams are blocked after loading non-NULL dictionary */
/* mess with frame parameters */
CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_checksumFlag, FUZ_rand(&lseed) & 1) );
CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_dictIDFlag, FUZ_rand(&lseed) & 1) );
CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_contentSizeFlag, pledgedSrcSize>0) );
CHECK_Z( ZSTD_CCtx_setPledgedSrcSize(zc, pledgedSrcSize) ); /* <== to test : must work also when pledgedSrcSize not set ! */
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_checksumFlag, FUZ_rand(&lseed) & 1) );
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_dictIDFlag, FUZ_rand(&lseed) & 1) );
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_contentSizeFlag, FUZ_rand(&lseed) & 1) );
if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setPledgedSrcSize(zc, pledgedSrcSize) );
DISPLAYLEVEL(5, "pledgedSrcSize : %u \n", (U32)pledgedSrcSize);
/* multi-threading parameters */