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Add test for cdict window log adjustment

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This commit is contained in:
Nick Terrell 2018-01-11 16:45:16 -08:00
parent b610b777d3
commit 4b7c4e5f41
1 changed files with 22 additions and 0 deletions
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22
tests/fuzzer.c
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@ -1206,6 +1206,28 @@ static int basicUnitTests(U32 seed, double compressibility)
if (strcmp("No error detected", ZSTD_getErrorName(ZSTD_error_GENERIC)) != 0) goto _output_error; if (strcmp("No error detected", ZSTD_getErrorName(ZSTD_error_GENERIC)) != 0) goto _output_error;
DISPLAYLEVEL(4, "OK \n"); DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : testing ZSTD dictionary sizes : ", testNb++);
RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
{
size_t const size = MIN(128 KB, CNBuffSize);
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
ZSTD_CDict* const lgCDict = ZSTD_createCDict(CNBuffer, size, 1);
ZSTD_CDict* const smCDict = ZSTD_createCDict(CNBuffer, 1 KB, 1);
ZSTD_frameHeader lgHeader;
ZSTD_frameHeader smHeader;
CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, lgCDict));
CHECK_Z(ZSTD_getFrameHeader(&lgHeader, compressedBuffer, compressedBufferSize));
CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, smCDict));
CHECK_Z(ZSTD_getFrameHeader(&smHeader, compressedBuffer, compressedBufferSize));
if (lgHeader.windowSize != smHeader.windowSize) goto _output_error;
ZSTD_freeCDict(smCDict);
ZSTD_freeCDict(lgCDict);
ZSTD_freeCCtx(cctx);
}
_end: _end:
free(CNBuffer); free(CNBuffer);
free(compressedBuffer); free(compressedBuffer);