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Add test case to roundtrip using ZSTD_getSequences() and ZSTD_compressSequences()

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senhuang42
2020-11-03 18:53:44 -05:00
parent 5fd69f8173
commit 2bbdddf24e
2 changed files with 61 additions and 8 deletions
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55
tests/fuzzer.c
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@ -2739,6 +2739,61 @@ static int basicUnitTests(U32 const seed, double compressibility)
free(seqs);
}
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : ZSTD_getSequences followed by ZSTD_compressSequences : ", testNb++);
{
size_t srcSize = 150 KB;
BYTE* src = (BYTE*)CNBuffer;
BYTE* dst = (BYTE*)compressedBuffer;
size_t dstSize = ZSTD_compressBound(srcSize);
size_t decompressSize = srcSize;
char* decompressBuffer = (char*)malloc(decompressSize);
size_t compressedSize;
size_t dSize;
ZSTD_CCtx* cctx = ZSTD_createCCtx();
ZSTD_Sequence* seqs = (ZSTD_Sequence*)malloc(srcSize * sizeof(ZSTD_Sequence));
size_t seqsSize;
if (seqs == NULL) goto _output_error;
assert(cctx != NULL);
/* Populate src with random data */
RDG_genBuffer(CNBuffer, srcSize, compressibility, 0., seed);
/* Test with block delimiters roundtrip */
seqsSize = ZSTD_getSequences(cctx, seqs, srcSize, src, srcSize, ZSTD_sf_explicitBlockDelimiters);
compressedSize = ZSTD_compressSequences(dst, dstSize, seqs, seqsSize, src, srcSize, 3 /* clevel */, ZSTD_sf_explicitBlockDelimiters);
if (ZSTD_isError(compressedSize)) {
DISPLAY("Error in sequence compression with block delims\n");
goto _output_error;
}
dSize = ZSTD_decompress(decompressBuffer, decompressSize, dst, compressedSize);
if (ZSTD_isError(dSize)) {
DISPLAY("Error in sequence compression roundtrip with block delims\n");
goto _output_error;
}
assert(!memcmp(decompressBuffer, src, srcSize));
/* Test with no block delimiters roundtrip */
seqsSize = ZSTD_getSequences(cctx, seqs, srcSize, src, srcSize, ZSTD_sf_noBlockDelimiters);
compressedSize = ZSTD_compressSequences(dst, dstSize, seqs, seqsSize, src, srcSize, 3 /* clevel */, ZSTD_sf_noBlockDelimiters);
if (ZSTD_isError(compressedSize)) {
DISPLAY("Error in sequence compression with no block delims\n");
goto _output_error;
}
dSize = ZSTD_decompress(decompressBuffer, decompressSize, dst, compressedSize);
if (ZSTD_isError(dSize)) {
DISPLAY("Error in sequence compression roundtrip with no block delims\n");
goto _output_error;
}
assert(!memcmp(decompressBuffer, src, srcSize));
ZSTD_freeCCtx(cctx);
free(decompressBuffer);
free(seqs);
}
DISPLAYLEVEL(3, "OK \n");
/* Multiple blocks of zeros test */
#define LONGZEROSLENGTH 1000000 /* 1MB of zeros */