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fuzzer: make negative compression level fail

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result of ZSTD_compress_advanced()
is different from ZSTD_compress_generic()
when using negative compression levels
because the disabling of huffman compression is not passed in parameters.
This commit is contained in:
Yann Collet
2018-06-07 15:12:13 -07:00
parent 3158deef43
commit 8537bfd85c
2 changed files with 46 additions and 29 deletions
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tests/fuzzer.c
+15 -11
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@@ -1082,14 +1082,19 @@ static int basicUnitTests(U32 seed, double compressibility)
/* negative compression level test : ensure simple API and advanced API produce same result */
DISPLAYLEVEL(3, "test%3i : negative compression level : ", testNb++);
{ size_t const srcSize = CNBuffSize / 5;
int const compressionLevel = -2;
size_t const cSize_1pass = ZSTD_compress(compressedBuffer, compressedBufferSize,
CNBuffer, srcSize,
compressionLevel);
if (ZSTD_isError(cSize_1pass)) goto _output_error;
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
assert(cctx != NULL);
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
size_t const srcSize = CNBuffSize / 5;
int const compressionLevel = -1;
assert(cctx != NULL);
{ ZSTD_parameters const params = ZSTD_getParams(compressionLevel, srcSize, 0);
size_t const cSize_1pass = ZSTD_compress_advanced(cctx,
compressedBuffer, compressedBufferSize,
CNBuffer, srcSize,
NULL, 0,
params);
if (ZSTD_isError(cSize_1pass)) goto _output_error;
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_compressionLevel, compressionLevel) );
{ ZSTD_inBuffer in = { CNBuffer, srcSize, 0 };
ZSTD_outBuffer out = { compressedBuffer, compressedBufferSize, 0 };
@@ -1097,9 +1102,8 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(5, "simple=%zu vs %zu=advanced : ", cSize_1pass, out.pos);
if (ZSTD_isError(compressionResult)) goto _output_error;
if (out.pos != cSize_1pass) goto _output_error;
}
ZSTD_freeCCtx(cctx);
}
} }
ZSTD_freeCCtx(cctx);
}
DISPLAYLEVEL(3, "OK \n");