ddidderr/zstd-rs
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Added ZSTD_initCStream_srcSize().

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Added relevant test cases in zstreamtest
This commit is contained in:
Yann Collet
2016-12-13 17:00:14 +01:00
parent 5397a66b19
commit e795c8a5f6
6 changed files with 66 additions and 30 deletions
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tests/zstreamtest.c
+34 -11
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@@ -28,6 +28,7 @@
#include "mem.h"
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel, ZSTD_customMem */
#include "zstd.h" /* ZSTD_compressBound */
#include "zstd_errors.h" /* ZSTD_error_srcSize_wrong */
#include "datagen.h" /* RDG_genBuffer */
#define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */
#include "xxhash.h" /* XXH64_* */
@@ -88,16 +89,6 @@ unsigned int FUZ_rand(unsigned int* seedPtr)
return rand32 >> 5;
}
/*
static unsigned FUZ_highbit32(U32 v32)
{
unsigned nbBits = 0;
if (v32==0) return 0;
for ( ; v32 ; v32>>=1) nbBits++;
return nbBits;
}
*/
static void* allocFunction(void* opaque, size_t size)
{
void* address = malloc(size);
@@ -254,6 +245,38 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
} }
DISPLAYLEVEL(4, "OK \n");
/* _srcSize compression test */
DISPLAYLEVEL(4, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZSTD_initCStream_srcSize(zc, 1, CNBufferSize);
outBuff.dst = (char*)(compressedBuffer)+cSize;
outBuff.size = compressedBufferSize;
outBuff.pos = 0;
inBuff.src = CNBuffer;
inBuff.size = CNBufferSize;
inBuff.pos = 0;
{ size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
/* wrong _srcSize compression test */
DISPLAYLEVEL(4, "test%3i : wrong srcSize : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1);
ZSTD_initCStream_srcSize(zc, 1, CNBufferSize-1);
outBuff.dst = (char*)(compressedBuffer)+cSize;
outBuff.size = compressedBufferSize;
outBuff.pos = 0;
inBuff.src = CNBuffer;
inBuff.size = CNBufferSize;
inBuff.pos = 0;
{ size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff);
if (ZSTD_isError(r)) goto _output_error; }
if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; /* must fail : wrong srcSize */
DISPLAYLEVEL(4, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); }
/* Complex context re-use scenario */
DISPLAYLEVEL(4, "test%3i : context re-use : ", testNb++);
ZSTD_freeCStream(zc);
@@ -519,7 +542,7 @@ static int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compres
{ ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ;
U32 n;
for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) {
/* compress random chunk into random size dst buffer */
/* compress random chunks into randomly sized dst buffers */
{ size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog);
size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize);
size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize);