601 lines
21 KiB
C
601 lines
21 KiB
C
/*
|
|
Fuzzer test tool for zstd_buffered
|
|
Copyright (C) Yann Collet 2105
|
|
|
|
GPL v2 License
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
You can contact the author at :
|
|
- ZSTD source repository : https://github.com/Cyan4973/zstd
|
|
- ZSTD public forum : https://groups.google.com/forum/#!forum/lz4c
|
|
*/
|
|
|
|
/**************************************
|
|
* Compiler specific
|
|
**************************************/
|
|
#ifdef _MSC_VER /* Visual Studio */
|
|
# define _CRT_SECURE_NO_WARNINGS /* fgets */
|
|
# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
|
|
# pragma warning(disable : 4146) /* disable: C4146: minus unsigned expression */
|
|
#endif
|
|
|
|
|
|
/**************************************
|
|
* Includes
|
|
**************************************/
|
|
#include <stdlib.h> /* free */
|
|
#include <stdio.h> /* fgets, sscanf */
|
|
#include <sys/timeb.h> /* timeb */
|
|
#include <string.h> /* strcmp */
|
|
#include "mem.h"
|
|
#include "zstd_buffered.h"
|
|
#include "zstd.h" /* ZSTD_compressBound() */
|
|
#include "datagen.h" /* RDG_genBuffer */
|
|
#include "xxhash.h" /* XXH64 */
|
|
|
|
|
|
/**************************************
|
|
Constants
|
|
**************************************/
|
|
#ifndef ZSTD_VERSION
|
|
# define ZSTD_VERSION ""
|
|
#endif
|
|
|
|
#define KB *(1U<<10)
|
|
#define MB *(1U<<20)
|
|
#define GB *(1U<<30)
|
|
|
|
static const U32 nbTestsDefault = 10000;
|
|
#define COMPRESSIBLE_NOISE_LENGTH (10 MB)
|
|
#define FUZ_COMPRESSIBILITY_DEFAULT 50
|
|
static const U32 prime1 = 2654435761U;
|
|
static const U32 prime2 = 2246822519U;
|
|
|
|
|
|
|
|
/**************************************
|
|
* Display Macros
|
|
**************************************/
|
|
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
|
|
#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
|
|
static U32 g_displayLevel = 2;
|
|
|
|
#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
|
|
if ((FUZ_GetMilliSpan(g_displayTime) > g_refreshRate) || (g_displayLevel>=4)) \
|
|
{ g_displayTime = FUZ_GetMilliStart(); DISPLAY(__VA_ARGS__); \
|
|
if (g_displayLevel>=4) fflush(stdout); } }
|
|
static const U32 g_refreshRate = 150;
|
|
static U32 g_displayTime = 0;
|
|
|
|
static U32 g_testTime = 0;
|
|
|
|
|
|
/*********************************************************
|
|
* Fuzzer functions
|
|
*********************************************************/
|
|
#define MAX(a,b) ((a)>(b)?(a):(b))
|
|
|
|
static U32 FUZ_GetMilliStart(void)
|
|
{
|
|
struct timeb tb;
|
|
U32 nCount;
|
|
ftime( &tb );
|
|
nCount = (U32) (((tb.time & 0xFFFFF) * 1000) + tb.millitm);
|
|
return nCount;
|
|
}
|
|
|
|
|
|
static U32 FUZ_GetMilliSpan(U32 nTimeStart)
|
|
{
|
|
U32 nCurrent = FUZ_GetMilliStart();
|
|
U32 nSpan = nCurrent - nTimeStart;
|
|
if (nTimeStart > nCurrent)
|
|
nSpan += 0x100000 * 1000;
|
|
return nSpan;
|
|
}
|
|
|
|
|
|
# define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r)))
|
|
unsigned int FUZ_rand(unsigned int* src)
|
|
{
|
|
U32 rand32 = *src;
|
|
rand32 *= prime1;
|
|
rand32 += prime2;
|
|
rand32 = FUZ_rotl32(rand32, 13);
|
|
*src = rand32;
|
|
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 int basicUnitTests(U32 seed, double compressibility)
|
|
{
|
|
int testResult = 0;
|
|
void* CNBuffer;
|
|
size_t CNBufferSize = COMPRESSIBLE_NOISE_LENGTH;
|
|
void* compressedBuffer;
|
|
size_t compressedBufferSize = ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH);
|
|
void* decodedBuffer;
|
|
size_t decodedBufferSize = CNBufferSize;
|
|
U32 randState = seed;
|
|
size_t result, cSize, readSize, genSize;
|
|
U32 testNb=0;
|
|
ZBUFF_CCtx* zc = ZBUFF_createCCtx();
|
|
ZBUFF_DCtx* zd = ZBUFF_createDCtx();
|
|
|
|
/* Create compressible test buffer */
|
|
CNBuffer = malloc(CNBufferSize);
|
|
compressedBuffer = malloc(compressedBufferSize);
|
|
decodedBuffer = malloc(decodedBufferSize);
|
|
if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd)
|
|
{
|
|
DISPLAY("Not enough memory, aborting\n");
|
|
goto _output_error;
|
|
}
|
|
RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., randState);
|
|
|
|
/* Basic compression test */
|
|
DISPLAYLEVEL(4, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
|
|
ZBUFF_compressInit(zc, 1);
|
|
readSize = CNBufferSize;
|
|
genSize = compressedBufferSize;
|
|
result = ZBUFF_compressContinue(zc, compressedBuffer, &genSize, CNBuffer, &readSize);
|
|
if (ZBUFF_isError(result)) goto _output_error;
|
|
if (readSize != CNBufferSize) goto _output_error; /* entire input should be consumed */
|
|
cSize = genSize;
|
|
genSize = compressedBufferSize - cSize;
|
|
result = ZBUFF_compressEnd(zc, ((char*)compressedBuffer)+cSize, &genSize);
|
|
if (result != 0) goto _output_error; /* error, or some data not flushed */
|
|
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);
|
|
ZBUFF_decompressInit(zd);
|
|
readSize = cSize;
|
|
genSize = CNBufferSize;
|
|
result = ZBUFF_decompressContinue(zd, decodedBuffer, &genSize, compressedBuffer, &readSize);
|
|
if (result != 0) goto _output_error; /* should reach end of frame == 0; otherwise, some data left, or an error */
|
|
if (genSize != CNBufferSize) goto _output_error; /* should regenerate the same amount */
|
|
if (readSize != cSize) goto _output_error; /* should have read the entire frame */
|
|
DISPLAYLEVEL(4, "OK \n");
|
|
|
|
/* check regenerated data is byte exact */
|
|
{
|
|
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");
|
|
}
|
|
|
|
_end:
|
|
ZBUFF_freeCCtx(zc);
|
|
ZBUFF_freeDCtx(zd);
|
|
free(CNBuffer);
|
|
free(compressedBuffer);
|
|
free(decodedBuffer);
|
|
return testResult;
|
|
|
|
_output_error:
|
|
testResult = 1;
|
|
DISPLAY("Error detected in Unit tests ! \n");
|
|
goto _end;
|
|
}
|
|
|
|
|
|
static size_t findDiff(const void* buf1, const void* buf2, size_t max)
|
|
{
|
|
const BYTE* b1 = (const BYTE*)buf1;
|
|
const BYTE* b2 = (const BYTE*)buf2;
|
|
size_t i;
|
|
for (i=0; i<max; i++)
|
|
{
|
|
if (b1[i] != b2[i]) break;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
#define MIN(a,b) ( (a) < (b) ? (a) : (b) )
|
|
|
|
#define CHECK(cond, ...) if (cond) { DISPLAY("Error => "); DISPLAY(__VA_ARGS__); \
|
|
DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); goto _output_error; }
|
|
|
|
static const U32 maxSrcLog = 24;
|
|
static const U32 maxSampleLog = 19;
|
|
|
|
int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibility)
|
|
{
|
|
BYTE* cNoiseBuffer[5];
|
|
BYTE* srcBuffer;
|
|
size_t srcBufferSize = (size_t)1<<maxSrcLog;
|
|
BYTE* copyBuffer;
|
|
size_t copyBufferSize = srcBufferSize + (1<<maxSampleLog);
|
|
BYTE* cBuffer;
|
|
size_t cBufferSize = ZSTD_compressBound(srcBufferSize);
|
|
BYTE* dstBuffer;
|
|
size_t dstBufferSize = srcBufferSize;
|
|
U32 result = 0;
|
|
U32 testNb = 0;
|
|
U32 coreSeed = seed, lseed = 0;
|
|
ZBUFF_CCtx* zc;
|
|
ZBUFF_DCtx* zd;
|
|
XXH64_state_t crc64;
|
|
U32 startTime = FUZ_GetMilliStart();
|
|
|
|
/* allocation */
|
|
zc = ZBUFF_createCCtx();
|
|
zd = ZBUFF_createDCtx();
|
|
cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize);
|
|
cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize);
|
|
copyBuffer= (BYTE*)malloc (copyBufferSize);
|
|
dstBuffer = (BYTE*)malloc (dstBufferSize);
|
|
cBuffer = (BYTE*)malloc (cBufferSize);
|
|
CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] ||
|
|
!copyBuffer || !dstBuffer || !cBuffer || !zc || !zd,
|
|
"Not enough memory, fuzzer tests cancelled");
|
|
|
|
/* Create initial samples */
|
|
RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */
|
|
RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */
|
|
RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed);
|
|
RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */
|
|
RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */
|
|
srcBuffer = cNoiseBuffer[2];
|
|
memset(copyBuffer, 0x65, copyBufferSize);
|
|
memcpy(copyBuffer, srcBuffer, MIN(copyBufferSize,srcBufferSize)); /* make copyBuffer considered initialized */
|
|
|
|
/* catch up testNb */
|
|
for (testNb=1; testNb < startTest; testNb++)
|
|
FUZ_rand(&coreSeed);
|
|
|
|
/* test loop */
|
|
for ( ; (testNb <= nbTests) || (FUZ_GetMilliSpan(startTime) < g_testTime); testNb++ )
|
|
{
|
|
size_t sampleSize, sampleStart;
|
|
size_t cSize;
|
|
size_t maxTestSize, totalTestSize, readSize, totalCSize, genSize, totalGenSize;
|
|
size_t errorCode;
|
|
U32 sampleSizeLog, buffNb, n, nbChunks;
|
|
U64 crcOrig, crcDest;
|
|
|
|
/* init */
|
|
DISPLAYUPDATE(2, "\r%6u", testNb);
|
|
if (nbTests >= testNb) DISPLAYUPDATE(2, "/%6u ", nbTests);
|
|
FUZ_rand(&coreSeed);
|
|
lseed = coreSeed ^ prime1;
|
|
buffNb = FUZ_rand(&lseed) & 127;
|
|
if (buffNb & 7) buffNb=2; /* select buffer */
|
|
else
|
|
{
|
|
buffNb >>= 3;
|
|
if (buffNb & 7)
|
|
{
|
|
const U32 tnb[2] = { 1, 3 };
|
|
buffNb = tnb[buffNb >> 3];
|
|
}
|
|
else
|
|
{
|
|
const U32 tnb[2] = { 0, 4 };
|
|
buffNb = tnb[buffNb >> 3];
|
|
}
|
|
}
|
|
srcBuffer = cNoiseBuffer[buffNb];
|
|
|
|
/* Multi - segments compression test */
|
|
XXH64_reset(&crc64, 0);
|
|
nbChunks = (FUZ_rand(&lseed) & 127) + 2;
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSrcLog;
|
|
maxTestSize = (size_t)1 << sampleSizeLog;
|
|
maxTestSize += FUZ_rand(&lseed) & (maxTestSize-1);
|
|
ZBUFF_compressInit(zc, (FUZ_rand(&lseed) % (20 - (sampleSizeLog/3))) + 1);
|
|
totalTestSize = 0;
|
|
cSize = 0;
|
|
for (n=0; n<nbChunks; n++)
|
|
{
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize);
|
|
readSize = sampleSize;
|
|
|
|
/* random size output buffer */
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
genSize = MIN (cBufferSize - cSize, sampleSize);
|
|
|
|
errorCode = ZBUFF_compressContinue(zc, cBuffer+cSize, &genSize, srcBuffer+sampleStart, &readSize);
|
|
CHECK (ZBUFF_isError(errorCode), "compression error : %s", ZBUFF_getErrorName(errorCode));
|
|
|
|
XXH64_update(&crc64, srcBuffer+sampleStart, readSize);
|
|
memcpy(copyBuffer+totalTestSize, srcBuffer+sampleStart, readSize);
|
|
cSize += genSize;
|
|
totalTestSize += readSize;
|
|
|
|
if ((FUZ_rand(&lseed) & 15) == 0)
|
|
{
|
|
/* add a few random flushes operations, to mess around */
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
genSize = MIN (cBufferSize - cSize, sampleSize);
|
|
errorCode = ZBUFF_compressFlush(zc, cBuffer+cSize, &genSize);
|
|
CHECK (ZBUFF_isError(errorCode), "flush error : %s", ZBUFF_getErrorName(errorCode));
|
|
cSize += genSize;
|
|
}
|
|
|
|
if (totalTestSize > maxTestSize) break;
|
|
}
|
|
genSize = cBufferSize - cSize;
|
|
errorCode = ZBUFF_compressEnd(zc, cBuffer+cSize, &genSize);
|
|
CHECK (ZBUFF_isError(errorCode), "compression error : %s", ZBUFF_getErrorName(errorCode));
|
|
CHECK (errorCode != 0, "frame epilogue not fully consumed");
|
|
cSize += genSize;
|
|
crcOrig = XXH64_digest(&crc64);
|
|
|
|
/* multi - fragments decompression test */
|
|
ZBUFF_decompressInit(zd);
|
|
totalCSize = 0;
|
|
totalGenSize = 0;
|
|
while (totalCSize < cSize)
|
|
{
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
readSize = sampleSize;
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
genSize = MIN(sampleSize, dstBufferSize - totalGenSize);
|
|
errorCode = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &genSize, cBuffer+totalCSize, &readSize);
|
|
CHECK (ZBUFF_isError(errorCode), "decompression error : %s", ZBUFF_getErrorName(errorCode));
|
|
totalGenSize += genSize;
|
|
totalCSize += readSize;
|
|
}
|
|
CHECK (errorCode != 0, "frame not fully decoded");
|
|
CHECK (totalGenSize != totalTestSize, "decompressed data : wrong size")
|
|
CHECK (totalCSize != cSize, "compressed data should be fully read")
|
|
crcDest = XXH64(dstBuffer, totalTestSize, 0);
|
|
if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize);
|
|
CHECK (crcDest!=crcOrig, "decompressed data corrupted");
|
|
|
|
/* noisy/erroneous src decompression test */
|
|
/* add some noise */
|
|
nbChunks = (FUZ_rand(&lseed) & 7) + 2;
|
|
for (n=0; n<nbChunks; n++)
|
|
{
|
|
size_t cStart;
|
|
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
if (sampleSize > cSize/3) sampleSize = cSize/3;
|
|
sampleStart = FUZ_rand(&lseed) % (srcBufferSize - sampleSize);
|
|
cStart = FUZ_rand(&lseed) % (cSize - sampleSize);
|
|
|
|
memcpy(cBuffer+cStart, srcBuffer+sampleStart, sampleSize);
|
|
}
|
|
|
|
/* try decompression on noisy data */
|
|
ZBUFF_decompressInit(zd);
|
|
totalCSize = 0;
|
|
totalGenSize = 0;
|
|
while ( (totalCSize < cSize) && (totalGenSize < dstBufferSize) )
|
|
{
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
readSize = sampleSize;
|
|
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
|
|
sampleSize = (size_t)1 << sampleSizeLog;
|
|
sampleSize += FUZ_rand(&lseed) & (sampleSize-1);
|
|
genSize = MIN(sampleSize, dstBufferSize - totalGenSize);
|
|
errorCode = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &genSize, cBuffer+totalCSize, &readSize);
|
|
if (ZBUFF_isError(errorCode)) break; /* error correctly detected */
|
|
totalGenSize += genSize;
|
|
totalCSize += readSize;
|
|
}
|
|
}
|
|
DISPLAY("\r%u fuzzer tests completed \n", testNb);
|
|
|
|
_cleanup:
|
|
ZBUFF_freeCCtx(zc);
|
|
ZBUFF_freeDCtx(zd);
|
|
free(cNoiseBuffer[0]);
|
|
free(cNoiseBuffer[1]);
|
|
free(cNoiseBuffer[2]);
|
|
free(cNoiseBuffer[3]);
|
|
free(cNoiseBuffer[4]);
|
|
free(copyBuffer);
|
|
free(cBuffer);
|
|
free(dstBuffer);
|
|
return result;
|
|
|
|
_output_error:
|
|
result = 1;
|
|
goto _cleanup;
|
|
}
|
|
|
|
|
|
/*********************************************************
|
|
* Command line
|
|
*********************************************************/
|
|
int FUZ_usage(char* programName)
|
|
{
|
|
DISPLAY( "Usage :\n");
|
|
DISPLAY( " %s [args]\n", programName);
|
|
DISPLAY( "\n");
|
|
DISPLAY( "Arguments :\n");
|
|
DISPLAY( " -i# : Nb of tests (default:%u) \n", nbTestsDefault);
|
|
DISPLAY( " -s# : Select seed (default:prompt user)\n");
|
|
DISPLAY( " -t# : Select starting test number (default:0)\n");
|
|
DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_COMPRESSIBILITY_DEFAULT);
|
|
DISPLAY( " -v : verbose\n");
|
|
DISPLAY( " -p : pause at the end\n");
|
|
DISPLAY( " -h : display help and exit\n");
|
|
return 0;
|
|
}
|
|
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
U32 seed=0;
|
|
int seedset=0;
|
|
int argNb;
|
|
int nbTests = nbTestsDefault;
|
|
int testNb = 0;
|
|
int proba = FUZ_COMPRESSIBILITY_DEFAULT;
|
|
int result=0;
|
|
U32 mainPause = 0;
|
|
char* programName;
|
|
|
|
/* Check command line */
|
|
programName = argv[0];
|
|
for(argNb=1; argNb<argc; argNb++)
|
|
{
|
|
char* argument = argv[argNb];
|
|
|
|
if(!argument) continue; /* Protection if argument empty */
|
|
|
|
/* Handle commands. Aggregated commands are allowed */
|
|
if (argument[0]=='-')
|
|
{
|
|
argument++;
|
|
|
|
while (*argument!=0)
|
|
{
|
|
switch(*argument)
|
|
{
|
|
case 'h':
|
|
return FUZ_usage(programName);
|
|
case 'v':
|
|
argument++;
|
|
g_displayLevel=4;
|
|
break;
|
|
case 'q':
|
|
argument++;
|
|
g_displayLevel--;
|
|
break;
|
|
case 'p': /* pause at the end */
|
|
argument++;
|
|
mainPause = 1;
|
|
break;
|
|
|
|
case 'i':
|
|
argument++;
|
|
nbTests=0; g_testTime=0;
|
|
while ((*argument>='0') && (*argument<='9'))
|
|
{
|
|
nbTests *= 10;
|
|
nbTests += *argument - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
case 'T':
|
|
argument++;
|
|
nbTests=0; g_testTime=0;
|
|
while ((*argument>='0') && (*argument<='9'))
|
|
{
|
|
g_testTime *= 10;
|
|
g_testTime += *argument - '0';
|
|
argument++;
|
|
}
|
|
if (*argument=='m') g_testTime *=60, argument++;
|
|
if (*argument=='n') argument++;
|
|
g_testTime *= 1000;
|
|
break;
|
|
|
|
case 's':
|
|
argument++;
|
|
seed=0;
|
|
seedset=1;
|
|
while ((*argument>='0') && (*argument<='9'))
|
|
{
|
|
seed *= 10;
|
|
seed += *argument - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
case 't':
|
|
argument++;
|
|
testNb=0;
|
|
while ((*argument>='0') && (*argument<='9'))
|
|
{
|
|
testNb *= 10;
|
|
testNb += *argument - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
case 'P': /* compressibility % */
|
|
argument++;
|
|
proba=0;
|
|
while ((*argument>='0') && (*argument<='9'))
|
|
{
|
|
proba *= 10;
|
|
proba += *argument - '0';
|
|
argument++;
|
|
}
|
|
if (proba<0) proba=0;
|
|
if (proba>100) proba=100;
|
|
break;
|
|
|
|
default:
|
|
return FUZ_usage(programName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Get Seed */
|
|
DISPLAY("Starting zstd_buffered tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION);
|
|
|
|
if (!seedset) seed = FUZ_GetMilliStart() % 10000;
|
|
DISPLAY("Seed = %u\n", seed);
|
|
if (proba!=FUZ_COMPRESSIBILITY_DEFAULT) DISPLAY("Compressibility : %i%%\n", proba);
|
|
|
|
if (nbTests<=0) nbTests=1;
|
|
|
|
if (testNb==0) result = basicUnitTests(0, ((double)proba) / 100); /* constant seed for predictability */
|
|
if (!result)
|
|
result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100);
|
|
if (mainPause)
|
|
{
|
|
int unused;
|
|
DISPLAY("Press Enter \n");
|
|
unused = getchar();
|
|
(void)unused;
|
|
}
|
|
return result;
|
|
}
|