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fuzzer tests more HC levels

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Yann Collet
2015-11-08 14:24:59 +01:00
parent 31d00ba4b3
commit 4c7aae3a36
1 changed files with 4 additions and 7 deletions
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programs/fuzzer.c
+4 -7
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@@ -297,7 +297,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
{ {
size_t sampleSize, sampleStart; size_t sampleSize, sampleStart;
size_t cSize, dSize, dSupSize; size_t cSize, dSize, dSupSize;
U32 sampleSizeLog, buffNb; U32 sampleSizeLog, buffNb, cLevelMod;
U64 crcOrig, crcDest; U64 crcOrig, crcDest;
int cLevel; int cLevel;
@@ -328,13 +328,10 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize); sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize);
crcOrig = XXH64(srcBuffer + sampleStart, sampleSize, 0); crcOrig = XXH64(srcBuffer + sampleStart, sampleSize, 0);
/* compression test */
/* covered by HC cLevel 1
cSize = ZSTD_compressCCtx(ctx, cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize);
CHECK(ZSTD_isError(cSize), "ZSTD_compress failed"); */
/* HC compression test */ /* HC compression test */
cLevel = (FUZ_rand(&lseed) & 3) +1; #define MAX(a,b) ((a)>(b)?(a):(b))
cLevelMod = MAX(1, 38 - (int)(MAX(9, sampleSizeLog) * 2)); /* use high compression levels with small samples, for speed */
cLevel = (FUZ_rand(&lseed) % cLevelMod) +1;
cSize = ZSTD_HC_compressCCtx(hcctx, cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize, cLevel); cSize = ZSTD_HC_compressCCtx(hcctx, cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize, cLevel);
CHECK(ZSTD_isError(cSize), "ZSTD_HC_compressCCtx failed"); CHECK(ZSTD_isError(cSize), "ZSTD_HC_compressCCtx failed");