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Added unit test to fuzzer.c, changed definition param name

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This commit is contained in:
senhuang42
2020-08-22 13:26:33 -04:00
parent 47685ac856
commit 20eb095882
3 changed files with 46 additions and 10 deletions
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34
tests/fuzzer.c
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@ -544,6 +544,40 @@ static int basicUnitTests(U32 const seed, double compressibility)
if (ZSTD_getErrorCode(r) != ZSTD_error_dstSize_tooSmall) goto _output_error; }
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : decompress with corrupted checksum : ", testNb++);
{ /* create compressed buffer with checksumming enabled */
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_checksumFlag, 1) );
CHECK_VAR(cSize, ZSTD_compress2(cctx,
compressedBuffer, compressedBufferSize,
CNBuffer, CNBuffSize) );
ZSTD_freeCCtx(cctx);
}
{ /* copy the compressed buffer and corrupt the checksum */
char* corruptedChecksumCompressedBuffer = (char*)malloc(cSize);
if (!corruptedChecksumCompressedBuffer) {
DISPLAY("Not enough memory, aborting\n");
testResult = 1;
goto _end;
}
memcpy(corruptedChecksumCompressedBuffer, compressedBuffer, cSize);
corruptedChecksumCompressedBuffer[cSize-1] += 1;
size_t r = ZSTD_decompress(decodedBuffer, CNBuffSize, corruptedChecksumCompressedBuffer, cSize);
if (!ZSTD_isError(r)) goto _output_error;
if (ZSTD_getErrorCode(r) != ZSTD_error_checksum_wrong) goto _output_error;
ZSTD_DCtx* dctx = ZSTD_createDCtx(); assert(dctx != NULL);
CHECK_Z(ZSTD_DCtx_setForceIgnoreChecksum(dctx, ZSTD_d_ignoreChecksum));
r = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, corruptedChecksumCompressedBuffer, cSize);
if (ZSTD_isError(r)) goto _output_error;
ZSTD_freeDCtx(dctx);
free(corruptedChecksumCompressedBuffer);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : ZSTD_decompressBound test with content size missing : ", testNb++);
{ /* create compressed buffer with content size missing */
ZSTD_CCtx* const cctx = ZSTD_createCCtx();