added ZSTD_initDStream_usingDDict() .

slightly optimized ZSTD_initDStream() when no dictionary .
fixed ZSTD_sizeof_CStream() .
This commit is contained in:
Yann Collet
2016-10-25 17:47:02 -07:00
parent 9516234e67
commit 335ad5d4d4
3 changed files with 60 additions and 25 deletions
+19
View File
@@ -309,6 +309,25 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
DISPLAYLEVEL(4, "OK (%u bytes) \n", (U32)s);
}
/* DDict scenario */
DISPLAYLEVEL(4, "test%3i : decompress %u bytes with digested dictionary : ", testNb++, (U32)CNBufferSize);
{ ZSTD_DDict* const ddict = ZSTD_createDDict(CNBuffer, 128 KB);
size_t const initError = ZSTD_initDStream_usingDDict(zd, ddict);
if (ZSTD_isError(initError)) goto _output_error;
inBuff.src = compressedBuffer;
inBuff.size = cSize;
inBuff.pos = 0;
outBuff.dst = decodedBuffer;
outBuff.size = CNBufferSize;
outBuff.pos = 0;
{ size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff);
if (r != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */
if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */
if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */
ZSTD_freeDDict(ddict);
DISPLAYLEVEL(4, "OK \n");
}
/* test ZSTD_setDStreamParameter() resilience */
DISPLAYLEVEL(4, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++);
{ size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */