ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hc fuzzer tests

Browse Source
This commit is contained in:
Yann Collet
2015-10-29 18:23:38 +01:00
parent 3d9cf7acf2
commit 2f648e54ff
2 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
programs/Makefile
+2 -2
View File
@@ -70,10 +70,10 @@ fullbench : $(ZSTDDIR)/zstd.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/le
fullbench32: $(ZSTDDIR)/zstd.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c fullbench.c
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
fuzzer : $(ZSTDDIR)/zstd.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c xxhash.c fuzzer.c
fuzzer : $(ZSTDDIR)/zstd.c $(ZSTDDIR)/zstdhc.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c xxhash.c fuzzer.c
$(CC) $(FLAGS) $^ -o $@$(EXT)
fuzzer32: $(ZSTDDIR)/zstd.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c xxhash.c fuzzer.c
fuzzer32: $(ZSTDDIR)/zstd.c $(ZSTDDIR)/zstdhc.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c xxhash.c fuzzer.c
$(CC) -m32 $(FLAGS) $^ -o $@$(EXT)
paramgrill : $(ZSTDDIR)/zstdhc.c $(ZSTDDIR)/zstd.c $(ZSTDDIR)/fse.c $(ZSTDDIR)/huff0.c $(ZSTDDIR)/legacy/zstd_v01.c datagen.c xxhash.c paramgrill.c
programs/fuzzer.c
+16 -3
View File
@@ -47,6 +47,7 @@
#include <sys/timeb.h> /* timeb */
#include <string.h> /* strcmp */
#include "zstd_static.h"
#include "zstdhc_static.h"
#include "datagen.h" /* RDG_genBuffer */
#include "xxhash.h" /* XXH64 */
#include "mem.h"
@@ -263,8 +264,12 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
U32 result = 0;
U32 testNb = 0;
U32 coreSeed = seed, lseed = 0;
ZSTD_CCtx* ctx;
ZSTD_HC_CCtx* hcctx;
/* allocation */
ctx = ZSTD_createCCtx();
hcctx = ZSTD_HC_createCCtx();
cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize);
cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize);
cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize);
@@ -272,7 +277,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize);
dstBuffer = (BYTE*)malloc (dstBufferSize);
cBuffer = (BYTE*)malloc (cBufferSize);
CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !dstBuffer || !cBuffer,
CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !dstBuffer || !cBuffer || !ctx || !hcctx,
"Not enough memory, fuzzer tests cancelled");
/* Create initial samples */
@@ -294,6 +299,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
size_t cSize, dSize, dSupSize;
U32 sampleSizeLog, buffNb;
U64 crcOrig, crcDest;
int cLevel;
/* init */
DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests);
@@ -322,8 +328,13 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize);
crcOrig = XXH64(srcBuffer + sampleStart, sampleSize, 0);
/* HC compression test */
cLevel = (FUZ_rand(&lseed) & 3) + 2;
cSize = ZSTD_HC_compressCCtx(hcctx, cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize, cLevel);
CHECK(ZSTD_isError(cSize), "ZSTD_compress failed");
/* compression test */
cSize = ZSTD_compress(cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize);
cSize = ZSTD_compressCCtx(ctx, cBuffer, cBufferSize, srcBuffer + sampleStart, sampleSize);
CHECK(ZSTD_isError(cSize), "ZSTD_compress failed");
/* compression failure test : too small dest buffer */
@@ -335,7 +346,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
static const U32 endMark = 0x4DC2B1A9;
U32 endCheck;
memcpy(dstBuffer+tooSmallSize, &endMark, 4);
errorCode = ZSTD_compress(dstBuffer, tooSmallSize, srcBuffer + sampleStart, sampleSize);
errorCode = ZSTD_compressCCtx(ctx, dstBuffer, tooSmallSize, srcBuffer + sampleStart, sampleSize);
CHECK(!ZSTD_isError(errorCode), "ZSTD_compress should have failed ! (buffer too small)");
memcpy(&endCheck, dstBuffer+tooSmallSize, 4);
CHECK(endCheck != endMark, "ZSTD_compress : dst buffer overflow");
@@ -424,6 +435,8 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
DISPLAY("\rAll fuzzer tests completed \n");
_cleanup:
ZSTD_freeCCtx(ctx);
ZSTD_HC_freeCCtx(hcctx);
free(cNoiseBuffer[0]);
free(cNoiseBuffer[1]);
free(cNoiseBuffer[2]);