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added a test to ensure ZSTD_refPrefix() doesn't impact the following compression job

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This commit is contained in:
Yann Collet 2017-06-28 16:25:13 -07:00
parent 33a6639039
commit 62f7efc04a
1 changed files with 49 additions and 0 deletions
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49
tests/zstreamtest.c
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@ -522,6 +522,55 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r));
} }
DISPLAYLEVEL(3, "test%3i : compress with ZSTD_CCtx_refPrefix : ", testNb++);
{ size_t const refErr = ZSTD_CCtx_refPrefix(zc, dictionary.start, dictionary.filled);
if (ZSTD_isError(refErr)) goto _output_error; }
outBuff.dst = compressedBuffer;
outBuff.size = compressedBufferSize;
outBuff.pos = 0;
inBuff.src = CNBuffer;
inBuff.size = CNBufferSize;
inBuff.pos = 0;
{ size_t const r = ZSTD_compress_generic(zc, &outBuff, &inBuff, ZSTD_e_end);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
cSize = outBuff.pos;
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
DISPLAYLEVEL(3, "test%3i : decompress with dictionary : ", testNb++);
{ size_t const r = ZSTD_decompress_usingDict(zd,
decodedBuffer, CNBufferSize,
compressedBuffer, cSize,
dictionary.start, dictionary.filled);
if (ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
DISPLAYLEVEL(3, "OK \n");
}
DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should fail): ", testNb++);
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize);
if (!ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r));
}
DISPLAYLEVEL(3, "test%3i : compress again with ZSTD_compress_generic : ", testNb++);
outBuff.dst = compressedBuffer;
outBuff.size = compressedBufferSize;
outBuff.pos = 0;
inBuff.src = CNBuffer;
inBuff.size = CNBufferSize;
inBuff.pos = 0;
{ size_t const r = ZSTD_compress_generic(zc, &outBuff, &inBuff, ZSTD_e_end);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
cSize = outBuff.pos;
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should work): ", testNb++);
{ size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize);
if (ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
DISPLAYLEVEL(3, "OK \n");
}
/* Empty srcSize */ /* Empty srcSize */
DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced with pledgedSrcSize=0 and dict : ", testNb++); DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced with pledgedSrcSize=0 and dict : ", testNb++);
{ ZSTD_parameters params = ZSTD_getParams(5, 0, 0); { ZSTD_parameters params = ZSTD_getParams(5, 0, 0);