added a test to ensure ZSTD_refPrefix() doesn't impact the following compression job
parent
33a6639039
commit
62f7efc04a
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@ -522,6 +522,55 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
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DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r));
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}
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DISPLAYLEVEL(3, "test%3i : compress with ZSTD_CCtx_refPrefix : ", testNb++);
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{ size_t const refErr = ZSTD_CCtx_refPrefix(zc, dictionary.start, dictionary.filled);
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if (ZSTD_isError(refErr)) goto _output_error; }
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outBuff.dst = compressedBuffer;
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outBuff.size = compressedBufferSize;
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outBuff.pos = 0;
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inBuff.src = CNBuffer;
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inBuff.size = CNBufferSize;
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inBuff.pos = 0;
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{ size_t const r = ZSTD_compress_generic(zc, &outBuff, &inBuff, ZSTD_e_end);
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if (ZSTD_isError(r)) goto _output_error; }
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if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
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cSize = outBuff.pos;
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DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
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DISPLAYLEVEL(3, "test%3i : decompress with dictionary : ", testNb++);
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{ size_t const r = ZSTD_decompress_usingDict(zd,
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decodedBuffer, CNBufferSize,
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compressedBuffer, cSize,
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dictionary.start, dictionary.filled);
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if (ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
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DISPLAYLEVEL(3, "OK \n");
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}
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DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should fail): ", testNb++);
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{ size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize);
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if (!ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
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DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r));
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}
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DISPLAYLEVEL(3, "test%3i : compress again with ZSTD_compress_generic : ", testNb++);
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outBuff.dst = compressedBuffer;
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outBuff.size = compressedBufferSize;
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outBuff.pos = 0;
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inBuff.src = CNBuffer;
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inBuff.size = CNBufferSize;
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inBuff.pos = 0;
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{ size_t const r = ZSTD_compress_generic(zc, &outBuff, &inBuff, ZSTD_e_end);
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if (ZSTD_isError(r)) goto _output_error; }
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if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
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cSize = outBuff.pos;
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DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
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DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should work): ", testNb++);
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{ size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize);
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if (ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */
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DISPLAYLEVEL(3, "OK \n");
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}
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/* Empty srcSize */
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DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced with pledgedSrcSize=0 and dict : ", testNb++);
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{ ZSTD_parameters params = ZSTD_getParams(5, 0, 0);
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