ddidderr/zstd-rs
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new frame format, allowing custom window size

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This commit is contained in:
Yann Collet
2016-06-06 00:26:38 +02:00
parent 89703d20fb
commit 673f0d7cdc
9 changed files with 146 additions and 99 deletions
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programs/zbufftest.c
+13 -10
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@@ -171,6 +171,7 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
MEM_writeLE32(compressedBuffer, ZSTD_MAGIC_SKIPPABLE_START);
MEM_writeLE32(((char*)compressedBuffer)+4, (U32)skippableFrameSize);
cSize = skippableFrameSize + 8;
/* Basic compression test */
DISPLAYLEVEL(4, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZBUFF_compressInitDictionary(zc, CNBuffer, 128 KB, 1);
@@ -186,14 +187,18 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
cSize += genSize;
DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
/* Basic decompression test */
DISPLAYLEVEL(4, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
/* skippable frame test */
DISPLAYLEVEL(4, "test%3i : decompress skippable frame : ", testNb++);
ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB);
readSkipSize = cSize;
genSize = CNBufferSize;
{ size_t const r = ZBUFF_decompressContinue(zd, decodedBuffer, &genSize, compressedBuffer, &readSkipSize);
if (r != 0) goto _output_error; }
if (genSize != 0) goto _output_error; /* skippable frame len is 0 */
DISPLAYLEVEL(4, "OK \n");
/* Basic decompression test */
DISPLAYLEVEL(4, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB);
readSize = cSize - readSkipSize;
genSize = CNBufferSize;
@@ -204,13 +209,12 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
DISPLAYLEVEL(4, "OK \n");
/* check regenerated data is byte exact */
DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
{ size_t i;
DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
for (i=0; i<CNBufferSize; i++) {
if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;;
}
DISPLAYLEVEL(4, "OK \n");
}
} }
DISPLAYLEVEL(4, "OK \n");
/* Byte-by-byte decompression test */
DISPLAYLEVEL(4, "test%3i : decompress byte-by-byte : ", testNb++);
@@ -234,13 +238,12 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
DISPLAYLEVEL(4, "OK \n");
/* check regenerated data is byte exact */
DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
{ size_t i;
DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
for (i=0; i<CNBufferSize; i++) {
if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;;
}
DISPLAYLEVEL(4, "OK \n");
}
} }
DISPLAYLEVEL(4, "OK \n");
_end:
ZBUFF_freeCCtx(zc);