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add one valid test case

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ZSTD_compressSequencesAndLiterals() may return a specific error code
when data to compress is non-compressible.
This commit is contained in:
Yann Collet
2024-12-23 19:43:17 -08:00
parent f8725e80cc
commit 7b294caf46
1 changed files with 7 additions and 1 deletions
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8
tests/fuzz/sequence_compression_api.c
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@ -16,6 +16,7 @@
*/
#define ZSTD_STATIC_LINKING_ONLY
#include "zstd_errors.h"
#include <stddef.h>
#include <stdlib.h>
@ -275,7 +276,12 @@ static size_t roundTripTest_compressSequencesAndLiterals(
return 0;
}
/* round-trip */
FUZZ_ZASSERT(cSize);
if (ZSTD_isError(cSize)) {
ZSTD_ErrorCode err = ZSTD_getErrorCode(cSize);
/* this specific error might happen as a result of data being uncompressible */
if (err != ZSTD_error_cannotProduce_uncompressedBlock)
FUZZ_ZASSERT(cSize);
}
{ size_t const dSize = ZSTD_decompressDCtx(dctx, result, resultCapacity, compressed, cSize);
FUZZ_ZASSERT(dSize);
FUZZ_ASSERT_MSG(dSize == srcSize, "Incorrect regenerated size");