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[fuzzer] Test growing the seqStore_t

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This commit is contained in:
Nick Terrell
2018-08-28 13:20:37 -07:00
parent 883fbf60bc
commit 5a4e6c9f3d
1 changed files with 36 additions and 0 deletions
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36
tests/fuzzer.c
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@@ -1375,6 +1375,24 @@ static int basicUnitTests(U32 seed, double compressibility)
((BYTE*)CNBuffer)[i+1] = _3BytesSeqs[id][1];
((BYTE*)CNBuffer)[i+2] = _3BytesSeqs[id][2];
} } }
DISPLAYLEVEL(3, "test%3i : growing nbSeq : ", testNb++);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
size_t const maxNbSeq = _3BYTESTESTLENGTH / 3;
size_t const bound = ZSTD_compressBound(_3BYTESTESTLENGTH);
size_t nbSeq = 1;
while (nbSeq <= maxNbSeq) {
CHECK(ZSTD_compressCCtx(cctx, compressedBuffer, bound, CNBuffer, nbSeq * 3, 3));
/* Check every sequence for the first 100, then skip more rapidly. */
if (nbSeq < 100) {
++nbSeq;
} else {
nbSeq += (nbSeq >> 2);
}
}
ZSTD_freeCCtx(cctx);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : compress lots 3-bytes sequences : ", testNb++);
{ CHECK_V(r, ZSTD_compress(compressedBuffer, ZSTD_compressBound(_3BYTESTESTLENGTH),
CNBuffer, _3BYTESTESTLENGTH, 19) );
@@ -1386,8 +1404,26 @@ static int basicUnitTests(U32 seed, double compressibility)
if (r != _3BYTESTESTLENGTH) goto _output_error; }
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : incompressible data and ill suited dictionary : ", testNb++);
RDG_genBuffer(CNBuffer, CNBuffSize, 0.0, 0.1, seed);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
size_t const bound = ZSTD_compressBound(CNBuffSize);
size_t size = 1;
while (size <= CNBuffSize) {
CHECK(ZSTD_compressCCtx(cctx, compressedBuffer, bound, CNBuffer, size, 3));
/* Check every size for the first 100, then skip more rapidly. */
if (size < 100) {
++size;
} else {
size += (size >> 2);
}
}
ZSTD_freeCCtx(cctx);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : incompressible data and ill suited dictionary : ", testNb++);
{ /* Train a dictionary on low characters */
size_t dictSize = 16 KB;
void* const dictBuffer = malloc(dictSize);