Added ZSTD_initCStream_srcSize().
Added relevant test cases in zstreamtest
diff --git a/tests/zstreamtest.c b/tests/zstreamtest.c
index c21b9de..7783fe1 100644
--- a/tests/zstreamtest.c
+++ b/tests/zstreamtest.c
@@ -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 @@
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 @@
} }
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 @@
{ 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);