diff options
Diffstat (limited to 'tests/zbufftest.c')
| -rw-r--r-- | tests/zbufftest.c | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/tests/zbufftest.c b/tests/zbufftest.c deleted file mode 100644 index 8a4a27907b0e..000000000000 --- a/tests/zbufftest.c +++ /dev/null @@ -1,619 +0,0 @@ -/* - * Copyright (c) 2015-present, Yann Collet, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under both the BSD-style license (found in the - * LICENSE file in the root directory of this source tree) and the GPLv2 (found - * in the COPYING file in the root directory of this source tree). - * You may select, at your option, one of the above-listed licenses. - */ - - -/*-************************************ -* 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 <string.h> /* strcmp */ -#include "timefn.h" /* UTIL_time_t */ -#include "mem.h" -#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel */ -#include "zstd.h" /* ZSTD_compressBound */ -#define ZBUFF_STATIC_LINKING_ONLY /* ZBUFF_createCCtx_advanced */ -#include "zbuff.h" /* ZBUFF_isError */ -#include "datagen.h" /* RDG_genBuffer */ -#define XXH_STATIC_LINKING_ONLY -#include "xxhash.h" /* XXH64_* */ -#include "util.h" - - -/*-************************************ -* Constants -**************************************/ -#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; - -static const U64 g_refreshRate = SEC_TO_MICRO / 6; -static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER; - -#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ - if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \ - { g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \ - if (g_displayLevel>=4) fflush(stderr); } } - -static U64 g_clockTime = 0; - - -/*-******************************************************* -* Fuzzer functions -*********************************************************/ -#undef MIN -#undef MAX -#define MIN(a,b) ((a)<(b)?(a):(b)) -#define MAX(a,b) ((a)>(b)?(a):(b)) -/*! FUZ_rand() : - @return : a 27 bits random value, from a 32-bits `seed`. - `seed` is also modified */ -# define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r))) -static unsigned int FUZ_rand(unsigned int* seedPtr) -{ - U32 rand32 = *seedPtr; - rand32 *= prime1; - rand32 += prime2; - rand32 = FUZ_rotl32(rand32, 13); - *seedPtr = 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 void* ZBUFF_allocFunction(void* opaque, size_t size) -{ - void* address = malloc(size); - (void)opaque; - /* DISPLAYLEVEL(4, "alloc %p, %d opaque=%p \n", address, (int)size, opaque); */ - return address; -} - -static void ZBUFF_freeFunction(void* opaque, void* address) -{ - (void)opaque; - /* if (address) DISPLAYLEVEL(4, "free %p opaque=%p \n", address, opaque); */ - free(address); -} - -static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem customMem) -{ - int testResult = 0; - size_t CNBufferSize = COMPRESSIBLE_NOISE_LENGTH; - void* CNBuffer = malloc(CNBufferSize); - size_t const skippableFrameSize = 11; - size_t const compressedBufferSize = (8 + skippableFrameSize) + ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH); - void* compressedBuffer = malloc(compressedBufferSize); - size_t const decodedBufferSize = CNBufferSize; - void* decodedBuffer = malloc(decodedBufferSize); - size_t cSize, readSize, readSkipSize, genSize; - U32 testNb=0; - ZBUFF_CCtx* zc = ZBUFF_createCCtx_advanced(customMem); - ZBUFF_DCtx* zd = ZBUFF_createDCtx_advanced(customMem); - - /* Create compressible test buffer */ - if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd) { - DISPLAY("Not enough memory, aborting\n"); - goto _output_error; - } - RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., seed); - - /* generate skippable frame */ - 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); - readSize = CNBufferSize; - genSize = compressedBufferSize; - { size_t const r = ZBUFF_compressContinue(zc, ((char*)compressedBuffer)+cSize, &genSize, CNBuffer, &readSize); - if (ZBUFF_isError(r)) goto _output_error; } - if (readSize != CNBufferSize) goto _output_error; /* entire input should be consumed */ - cSize += genSize; - genSize = compressedBufferSize - cSize; - { size_t const r = ZBUFF_compressEnd(zc, ((char*)compressedBuffer)+cSize, &genSize); - if (r != 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); - - /* 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; - { size_t const r = ZBUFF_decompressContinue(zd, decodedBuffer, &genSize, ((char*)compressedBuffer)+readSkipSize, &readSize); - if (r != 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+readSkipSize != cSize) goto _output_error; /* should have read the entire frame */ - DISPLAYLEVEL(4, "OK \n"); - - /* check regenerated data is byte exact */ - DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++); - { size_t i; - for (i=0; i<CNBufferSize; i++) { - if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error; - } } - DISPLAYLEVEL(4, "OK \n"); - - /* Byte-by-byte decompression test */ - DISPLAYLEVEL(4, "test%3i : decompress byte-by-byte : ", testNb++); - { size_t r, pIn=0, pOut=0; - do - { ZBUFF_decompressInitDictionary(zd, CNBuffer, 128 KB); - r = 1; - while (r) { - size_t inS = 1; - size_t outS = 1; - r = ZBUFF_decompressContinue(zd, ((BYTE*)decodedBuffer)+pOut, &outS, ((BYTE*)compressedBuffer)+pIn, &inS); - pIn += inS; - pOut += outS; - } - readSize = pIn; - genSize = pOut; - } while (genSize==0); - } - 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 */ - DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++); - { size_t i; - 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 u; - for (u=0; u<max; u++) { - if (b1[u] != b2[u]) break; - } - return u; -} - -static size_t FUZ_rLogLength(U32* seed, U32 logLength) -{ - size_t const lengthMask = ((size_t)1 << logLength) - 1; - return (lengthMask+1) + (FUZ_rand(seed) & lengthMask); -} - -static size_t FUZ_randomLength(U32* seed, U32 maxLog) -{ - U32 const logLength = FUZ_rand(seed) % maxLog; - return FUZ_rLogLength(seed, logLength); -} - -#define CHECK(cond, ...) if (cond) { DISPLAY("Error => "); DISPLAY(__VA_ARGS__); \ - DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); goto _output_error; } - -static int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibility) -{ - static const U32 maxSrcLog = 24; - static const U32 maxSampleLog = 19; - BYTE* cNoiseBuffer[5]; - size_t const srcBufferSize = (size_t)1<<maxSrcLog; - BYTE* copyBuffer; - size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); - BYTE* cBuffer; - size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); - BYTE* dstBuffer; - size_t dstBufferSize = srcBufferSize; - U32 result = 0; - U32 testNb = 0; - U32 coreSeed = seed; - ZBUFF_CCtx* zc; - ZBUFF_DCtx* zd; - UTIL_time_t startClock = UTIL_getTime(); - - /* allocations */ - 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 */ - memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ - - /* catch up testNb */ - for (testNb=1; testNb < startTest; testNb++) - FUZ_rand(&coreSeed); - - /* test loop */ - for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < g_clockTime) ; testNb++ ) { - U32 lseed; - const BYTE* srcBuffer; - const BYTE* dict; - size_t maxTestSize, dictSize; - size_t cSize, totalTestSize, totalCSize, totalGenSize; - size_t errorCode; - U32 n, nbChunks; - XXH64_state_t xxhState; - U64 crcOrig; - - /* init */ - DISPLAYUPDATE(2, "\r%6u", testNb); - if (nbTests >= testNb) DISPLAYUPDATE(2, "/%6u ", nbTests); - FUZ_rand(&coreSeed); - lseed = coreSeed ^ prime1; - - /* states full reset (unsynchronized) */ - /* some issues only happen when reusing states in a specific sequence of parameters */ - if ((FUZ_rand(&lseed) & 0xFF) == 131) { ZBUFF_freeCCtx(zc); zc = ZBUFF_createCCtx(); } - if ((FUZ_rand(&lseed) & 0xFF) == 132) { ZBUFF_freeDCtx(zd); zd = ZBUFF_createDCtx(); } - - /* srcBuffer selection [0-4] */ - { U32 buffNb = FUZ_rand(&lseed) & 0x7F; - if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ - else { - buffNb >>= 3; - if (buffNb & 7) { - const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ - buffNb = tnb[buffNb >> 3]; - } else { - const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ - buffNb = tnb[buffNb >> 3]; - } } - srcBuffer = cNoiseBuffer[buffNb]; - } - - /* compression init */ - { U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; - U32 const cLevel = (FUZ_rand(&lseed) % (ZSTD_maxCLevel() - (testLog/3))) + 1; - maxTestSize = FUZ_rLogLength(&lseed, testLog); - dictSize = (FUZ_rand(&lseed)==1) ? FUZ_randomLength(&lseed, maxSampleLog) : 0; - /* random dictionary selection */ - { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); - dict = srcBuffer + dictStart; - } - { ZSTD_parameters params = ZSTD_getParams(cLevel, 0, dictSize); - params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; - params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; - { size_t const initError = ZBUFF_compressInit_advanced(zc, dict, dictSize, params, ZSTD_CONTENTSIZE_UNKNOWN); - CHECK (ZBUFF_isError(initError),"init error : %s", ZBUFF_getErrorName(initError)); - } } } - - /* multi-segments compression test */ - XXH64_reset(&xxhState, 0); - nbChunks = (FUZ_rand(&lseed) & 127) + 2; - for (n=0, cSize=0, totalTestSize=0 ; (n<nbChunks) && (totalTestSize < maxTestSize) ; n++) { - /* compress random chunk into random size dst buffer */ - { size_t readChunkSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); - size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - readChunkSize); - - size_t const compressionError = ZBUFF_compressContinue(zc, cBuffer+cSize, &dstBuffSize, srcBuffer+srcStart, &readChunkSize); - CHECK (ZBUFF_isError(compressionError), "compression error : %s", ZBUFF_getErrorName(compressionError)); - - XXH64_update(&xxhState, srcBuffer+srcStart, readChunkSize); - memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, readChunkSize); - cSize += dstBuffSize; - totalTestSize += readChunkSize; - } - - /* random flush operation, to mess around */ - if ((FUZ_rand(&lseed) & 15) == 0) { - size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); - size_t const flushError = ZBUFF_compressFlush(zc, cBuffer+cSize, &dstBuffSize); - CHECK (ZBUFF_isError(flushError), "flush error : %s", ZBUFF_getErrorName(flushError)); - cSize += dstBuffSize; - } } - - /* final frame epilogue */ - { size_t remainingToFlush = (size_t)(-1); - while (remainingToFlush) { - size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); - U32 const enoughDstSize = dstBuffSize >= remainingToFlush; - remainingToFlush = ZBUFF_compressEnd(zc, cBuffer+cSize, &dstBuffSize); - CHECK (ZBUFF_isError(remainingToFlush), "flush error : %s", ZBUFF_getErrorName(remainingToFlush)); - CHECK (enoughDstSize && remainingToFlush, "ZBUFF_compressEnd() not fully flushed (%u remaining), but enough space available", (U32)remainingToFlush); - cSize += dstBuffSize; - } } - crcOrig = XXH64_digest(&xxhState); - - /* multi - fragments decompression test */ - ZBUFF_decompressInitDictionary(zd, dict, dictSize); - errorCode = 1; - for (totalCSize = 0, totalGenSize = 0 ; errorCode ; ) { - size_t readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); - errorCode = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &dstBuffSize, cBuffer+totalCSize, &readCSrcSize); - CHECK (ZBUFF_isError(errorCode), "decompression error : %s", ZBUFF_getErrorName(errorCode)); - totalGenSize += dstBuffSize; - totalCSize += readCSrcSize; - } - CHECK (errorCode != 0, "frame not fully decoded"); - CHECK (totalGenSize != totalTestSize, "decompressed data : wrong size") - CHECK (totalCSize != cSize, "compressed data should be fully read") - { U64 const 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 */ - { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; - U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { - size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); - size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); - size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); - memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); - } } - - /* try decompression on noisy data */ - ZBUFF_decompressInit(zd); - totalCSize = 0; - totalGenSize = 0; - while ( (totalCSize < cSize) && (totalGenSize < dstBufferSize) ) { - size_t readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); - size_t dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); - size_t const decompressError = ZBUFF_decompressContinue(zd, dstBuffer+totalGenSize, &dstBuffSize, cBuffer+totalCSize, &readCSrcSize); - if (ZBUFF_isError(decompressError)) break; /* error correctly detected */ - totalGenSize += dstBuffSize; - totalCSize += readCSrcSize; - } } - 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 -*********************************************************/ -static int FUZ_usage(const 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, const 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; - const char* programName = argv[0]; - ZSTD_customMem customMem = { ZBUFF_allocFunction, ZBUFF_freeFunction, NULL }; - ZSTD_customMem customNULL = { NULL, NULL, NULL }; - - /* Check command line */ - for(argNb=1; argNb<argc; argNb++) { - const char* argument = argv[argNb]; - if(!argument) continue; /* Protection if argument empty */ - - /* Parsing 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_clockTime=0; - while ((*argument>='0') && (*argument<='9')) { - nbTests *= 10; - nbTests += *argument - '0'; - argument++; - } - break; - - case 'T': - argument++; - nbTests=0; g_clockTime=0; - while ((*argument>='0') && (*argument<='9')) { - g_clockTime *= 10; - g_clockTime += *argument - '0'; - argument++; - } - if (*argument=='m') g_clockTime *=60, argument++; - if (*argument=='n') argument++; - g_clockTime *= SEC_TO_MICRO; - 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); - } - } } } /* for(argNb=1; argNb<argc; argNb++) */ - - /* Get Seed */ - DISPLAY("Starting zstd_buffered tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION_STRING); - - if (!seedset) { - time_t const t = time(NULL); - U32 const h = XXH32(&t, sizeof(t), 1); - seed = h % 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, customNULL); /* constant seed for predictability */ - if (!result) { - DISPLAYLEVEL(4, "Unit tests using customMem :\n") - result = basicUnitTests(0, ((double)proba) / 100, customMem); /* use custom memory allocation functions */ - } } - - if (!result) - result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100); - - if (mainPause) { - int unused; - DISPLAY("Press Enter \n"); - unused = getchar(); - (void)unused; - } - return result; -} |