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add a test for unordered parameters

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This commit is contained in:
Yann Collet 2018-03-19 16:02:51 -07:00
parent 6f4d0778a5
commit e5ddfaede8
1 changed files with 39 additions and 0 deletions
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39
tests/fuzzer.c
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@ -1024,6 +1024,45 @@ static int basicUnitTests(U32 seed, double compressibility)
ZSTD_freeCCtx(cctx);
}
/* parameters order test */
{ size_t const inputSize = CNBuffSize / 2;
U64 xxh64;
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
DISPLAYLEVEL(3, "test%3i : parameters in order : ", testNb++);
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_compressionLevel, 2) );
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_enableLongDistanceMatching, 1) );
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_windowLog, 18) );
{ ZSTD_inBuffer in = { CNBuffer, inputSize, 0 };
ZSTD_outBuffer out = { compressedBuffer, ZSTD_compressBound(inputSize), 0 };
size_t const result = ZSTD_compress_generic(cctx, &out, &in, ZSTD_e_end);
if (result != 0) goto _output_error;
if (in.pos != in.size) goto _output_error;
cSize = out.pos;
xxh64 = XXH64(out.dst, out.pos, 0);
}
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (U32)inputSize, (U32)cSize);
ZSTD_freeCCtx(cctx);
}
{ ZSTD_CCtx* cctx = ZSTD_createCCtx();
DISPLAYLEVEL(3, "test%3i : parameters disordered : ", testNb++);
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_windowLog, 18) );
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_enableLongDistanceMatching, 1) );
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_compressionLevel, 2) );
{ ZSTD_inBuffer in = { CNBuffer, inputSize, 0 };
ZSTD_outBuffer out = { compressedBuffer, ZSTD_compressBound(inputSize), 0 };
size_t const result = ZSTD_compress_generic(cctx, &out, &in, ZSTD_e_end);
if (result != 0) goto _output_error;
if (in.pos != in.size) goto _output_error;
if (out.pos != cSize) goto _output_error; /* must result in same compressed result, hence same size */
if (XXH64(out.dst, out.pos, 0) != xxh64) goto _output_error; /* must result in exactly same content, hence same hash */
DISPLAYLEVEL(3, "OK (compress : %u -> %u bytes)\n", (U32)inputSize, (U32)out.pos);
}
ZSTD_freeCCtx(cctx);
}
}
/* custom formats tests */
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
size_t const inputSize = CNBuffSize / 2; /* won't cause pb with small dict size */