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more context-reuse tests

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This commit is contained in:
Yann Collet 2016-09-06 15:01:51 +02:00
parent edbcd9f5b2
commit 12083a45d4
1 changed files with 44 additions and 0 deletions
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44
tests/zstreamtest.c
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@ -242,6 +242,50 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
} } } }
DISPLAYLEVEL(4, "OK \n"); DISPLAYLEVEL(4, "OK \n");
/* Complex context re-use scenario */
DISPLAYLEVEL(4, "test%3i : context re-use : ", testNb++);
ZSTD_freeCStream(zc);
zc = ZSTD_createCStream_advanced(customMem);
if (zc==NULL) goto _output_error; /* memory allocation issue */
/* use 1 */
{ size_t const inSize = 513;
ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */
inBuff.src = CNBuffer;
inBuff.size = inSize;
inBuff.pos = 0;
outBuff.dst = (char*)(compressedBuffer)+cSize;
outBuff.size = ZSTD_compressBound(inSize);
outBuff.pos = 0;
{ size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
}
/* use 2 */
{ size_t const inSize = 1025; /* will not continue, because tables auto-adjust and are therefore different size */
ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */
inBuff.src = CNBuffer;
inBuff.size = inSize;
inBuff.pos = 0;
outBuff.dst = (char*)(compressedBuffer)+cSize;
outBuff.size = ZSTD_compressBound(inSize);
outBuff.pos = 0;
{ size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
}
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : check CStream size : ", testNb++);
{ size_t const s = ZSTD_sizeof_CStream(zc);
if (ZSTD_isError(s)) goto _output_error;
DISPLAYLEVEL(4, "OK (%u bytes) \n", (U32)s);
}
/* test ZSTD_setDStreamParameter() resilience */
DISPLAYLEVEL(4, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++); DISPLAYLEVEL(4, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++);
{ size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */ { size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */
if (!ZSTD_isError(r)) goto _output_error; } if (!ZSTD_isError(r)) goto _output_error; }