#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel, ZSTD_customMem */
#include "zstd.h" /* ZSTD_compressBound */
#include "zstd_errors.h" /* ZSTD_error_srcSize_wrong */
+#include "zstdmt_compress.h"
#include "datagen.h" /* RDG_genBuffer */
#define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */
#include "xxhash.h" /* XXH64_* */
cSize = skippableFrameSize + 8;
/* Basic compression test */
- DISPLAYLEVEL(4, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
+ DISPLAYLEVEL(3, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZSTD_initCStream_usingDict(zc, CNBuffer, 128 KB, 1);
outBuff.dst = (char*)(compressedBuffer)+cSize;
outBuff.size = compressedBufferSize;
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
cSize += outBuff.pos;
- DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
+ DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
- DISPLAYLEVEL(4, "test%3i : check CStream size : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++);
{ size_t const s = ZSTD_sizeof_CStream(zc);
if (ZSTD_isError(s)) goto _output_error;
- DISPLAYLEVEL(4, "OK (%u bytes) \n", (U32)s);
+ DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s);
}
/* skippable frame test */
- DISPLAYLEVEL(4, "test%3i : decompress skippable frame : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : decompress skippable frame : ", testNb++);
ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB);
inBuff.src = compressedBuffer;
inBuff.size = cSize;
{ size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff);
if (r != 0) goto _output_error; }
if (outBuff.pos != 0) goto _output_error; /* skippable frame len is 0 */
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* Basic decompression test */
inBuff2 = inBuff;
- DISPLAYLEVEL(4, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
+ DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB);
{ size_t const r = ZSTD_setDStreamParameter(zd, ZSTDdsp_maxWindowSize, 1000000000); /* large limit */
if (ZSTD_isError(r)) goto _output_error; }
if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */
if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */
if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* Re-use without init */
- DISPLAYLEVEL(4, "test%3i : decompress again without init (re-use previous settings): ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : decompress again without init (re-use previous settings): ", testNb++);
outBuff.pos = 0;
{ size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff2);
if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */
if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */
if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* check regenerated data is byte exact */
- DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
+ DISPLAYLEVEL(3, "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");
+ DISPLAYLEVEL(3, "OK \n");
- DISPLAYLEVEL(4, "test%3i : check DStream size : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : check DStream size : ", testNb++);
{ size_t const s = ZSTD_sizeof_DStream(zd);
if (ZSTD_isError(s)) goto _output_error;
- DISPLAYLEVEL(4, "OK (%u bytes) \n", (U32)s);
+ DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s);
}
/* Byte-by-byte decompression test */
- DISPLAYLEVEL(4, "test%3i : decompress byte-by-byte : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : decompress byte-by-byte : ", testNb++);
{ /* skippable frame */
size_t r = 1;
ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB);
}
if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */
if (inBuff.pos != cSize) goto _output_error; /* should have read the entire frame */
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* check regenerated data is byte exact */
- DISPLAYLEVEL(4, "test%3i : check decompressed result : ", testNb++);
+ DISPLAYLEVEL(3, "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");
+ DISPLAYLEVEL(3, "OK \n");
/* _srcSize compression test */
- DISPLAYLEVEL(4, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
+ DISPLAYLEVEL(3, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH);
ZSTD_initCStream_srcSize(zc, 1, CNBufferSize);
outBuff.dst = (char*)(compressedBuffer);
outBuff.size = compressedBufferSize;
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
{ unsigned long long origSize = ZSTD_getDecompressedSize(outBuff.dst, outBuff.pos);
- DISPLAY("outBuff.pos : %u \n", (U32)outBuff.pos);
- DISPLAY("origSize = %u \n", (U32)origSize);
if ((size_t)origSize != CNBufferSize) goto _output_error; } /* exact original size must be present */
- DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100);
+ DISPLAYLEVEL(3, "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);
+ DISPLAYLEVEL(3, "test%3i : wrong srcSize : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1);
ZSTD_initCStream_srcSize(zc, 1, CNBufferSize-1);
outBuff.dst = (char*)(compressedBuffer);
outBuff.size = compressedBufferSize;
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)); }
+ DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); }
/* Complex context re-use scenario */
- DISPLAYLEVEL(4, "test%3i : context re-use : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : context re-use : ", testNb++);
ZSTD_freeCStream(zc);
zc = ZSTD_createCStream_advanced(customMem);
if (zc==NULL) goto _output_error; /* memory allocation issue */
{ size_t const r = ZSTD_endStream(zc, &outBuff);
if (r != 0) goto _output_error; } /* error, or some data not flushed */
}
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* CDict scenario */
- DISPLAYLEVEL(4, "test%3i : digested dictionary : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : digested dictionary : ", testNb++);
{ ZSTD_CDict* const cdict = ZSTD_createCDict(CNBuffer, 128 KB, 1);
size_t const initError = ZSTD_initCStream_usingCDict(zc, cdict);
if (ZSTD_isError(initError)) goto _output_error;
if (r != 0) goto _output_error; } /* error, or some data not flushed */
cSize = outBuff.pos;
ZSTD_freeCDict(cdict);
- DISPLAYLEVEL(4, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
+ DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100);
}
- DISPLAYLEVEL(4, "test%3i : check CStream size : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++);
{ size_t const s = ZSTD_sizeof_CStream(zc);
if (ZSTD_isError(s)) goto _output_error;
- DISPLAYLEVEL(4, "OK (%u bytes) \n", (U32)s);
+ DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s);
}
/* DDict scenario */
- DISPLAYLEVEL(4, "test%3i : decompress %u bytes with digested dictionary : ", testNb++, (U32)CNBufferSize);
+ DISPLAYLEVEL(3, "test%3i : decompress %u bytes with digested dictionary : ", testNb++, (U32)CNBufferSize);
{ ZSTD_DDict* const ddict = ZSTD_createDDict(CNBuffer, 128 KB);
size_t const initError = ZSTD_initDStream_usingDDict(zd, ddict);
if (ZSTD_isError(initError)) goto _output_error;
if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */
if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */
ZSTD_freeDDict(ddict);
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
}
/* test ZSTD_setDStreamParameter() resilience */
- DISPLAYLEVEL(4, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++);
{ size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */
if (!ZSTD_isError(r)) goto _output_error; }
- DISPLAYLEVEL(4, "OK \n");
+ DISPLAYLEVEL(3, "OK \n");
/* Memory restriction */
- DISPLAYLEVEL(4, "test%3i : maxWindowSize < frame requirement : ", testNb++);
+ DISPLAYLEVEL(3, "test%3i : maxWindowSize < frame requirement : ", testNb++);
ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB);
{ size_t const r = ZSTD_setDStreamParameter(zd, ZSTDdsp_maxWindowSize, 1000); /* too small limit */
if (ZSTD_isError(r)) goto _output_error; }
outBuff.pos = 0;
{ size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff);
if (!ZSTD_isError(r)) goto _output_error; /* must fail : frame requires > 100 bytes */
- DISPLAYLEVEL(4, "OK (%s)\n", ZSTD_getErrorName(r)); }
+ DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); }
_end:
for (u=0; u<max; u++) {
if (b1[u] != b2[u]) break;
}
+ DISPLAY("Error at position %u / %u \n", (U32)u, (U32)max);
return u;
}
}
+/* Multi-threading version of fuzzer Tests */
+static int fuzzerTests_MT(U32 seed, U32 nbTests, unsigned startTest, double compressibility)
+{
+ static const U32 maxSrcLog = 24;
+ static const U32 maxSampleLog = 19;
+ size_t const srcBufferSize = (size_t)1<<maxSrcLog;
+ BYTE* cNoiseBuffer[5];
+ size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog);
+ BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize);
+ size_t const cBufferSize = ZSTD_compressBound(srcBufferSize);
+ BYTE* const cBuffer = (BYTE*)malloc (cBufferSize);
+ size_t const dstBufferSize = srcBufferSize;
+ BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize);
+ U32 result = 0;
+ U32 testNb = 0;
+ U32 coreSeed = seed;
+ ZSTDMT_CCtx* zc = ZSTDMT_createCCtx(2); /* will be reset sometimes */
+ ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */
+ ZSTD_DStream* const zd_noise = ZSTD_createDStream();
+ clock_t const startClock = clock();
+ const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */
+ size_t dictSize = 0;
+ U32 oldTestLog = 0;
+
+ /* allocations */
+ 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);
+ CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] ||
+ !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise ,
+ "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 */
+ ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */
+
+ /* catch up testNb */
+ for (testNb=1; testNb < startTest; testNb++)
+ FUZ_rand(&coreSeed);
+
+ /* test loop */
+ for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) {
+ U32 lseed;
+ const BYTE* srcBuffer;
+ size_t totalTestSize, totalGenSize, cSize;
+ XXH64_state_t xxhState;
+ U64 crcOrig;
+ U32 resetAllowed = 1;
+ size_t maxTestSize;
+
+ /* init */
+ if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); }
+ else { DISPLAYUPDATE(2, "\r%6u ", testNb); }
+ FUZ_rand(&coreSeed);
+ lseed = coreSeed ^ prime1;
+
+ /* states full reset (deliberately not synchronized) */
+ /* some issues can only happen when reusing states */
+ if ((FUZ_rand(&lseed) & 0xFF) == 131) {
+ U32 const nbThreads = (FUZ_rand(&lseed) % 6) + 1;
+ ZSTDMT_freeCCtx(zc);
+ zc = ZSTDMT_createCCtx(nbThreads);
+ resetAllowed=0;
+ }
+ if ((FUZ_rand(&lseed) & 0xFF) == 132) {
+ ZSTD_freeDStream(zd);
+ zd = ZSTD_createDStream();
+ ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */
+ }
+
+ /* 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 */
+ if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */
+ && oldTestLog /* at least one test happened */ && resetAllowed) {
+ maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2);
+ if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1;
+ { int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1;
+ size_t const resetError = ZSTDMT_initCStream(zc, compressionLevel);
+ CHECK(ZSTD_isError(resetError), "ZSTD_resetCStream error : %s", ZSTD_getErrorName(resetError));
+ }
+ } else {
+ U32 const testLog = FUZ_rand(&lseed) % maxSrcLog;
+ U32 const cLevel = (FUZ_rand(&lseed) % (ZSTD_maxCLevel() - (testLog/3))) + 1;
+ maxTestSize = FUZ_rLogLength(&lseed, testLog);
+ oldTestLog = testLog;
+ /* random dictionary selection */
+ dictSize = 0;
+ dict = NULL;
+ { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize;
+ ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize);
+ params.fParams.checksumFlag = FUZ_rand(&lseed) & 1;
+ params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1;
+ { size_t const initError = ZSTDMT_initCStream(zc, cLevel);
+ CHECK (ZSTD_isError(initError),"ZSTD_initCStream_advanced error : %s", ZSTD_getErrorName(initError));
+ } } }
+
+ /* multi-segments compression test */
+ XXH64_reset(&xxhState, 0);
+ { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ;
+ U32 n;
+ for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) {
+ /* 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);
+ size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize);
+ ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 };
+ outBuff.size = outBuff.pos + dstBuffSize;
+
+ DISPLAYLEVEL(5, "Sending %u bytes to compress \n", (U32)srcSize);
+ { size_t const compressionError = ZSTDMT_compressStream(zc, &outBuff, &inBuff);
+ CHECK (ZSTD_isError(compressionError), "compression error : %s", ZSTD_getErrorName(compressionError)); }
+
+ XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos);
+ memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos);
+ totalTestSize += inBuff.pos;
+ }
+
+ /* random flush operation, to mess around */
+ if ((FUZ_rand(&lseed) & 15) == 0) {
+ size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize);
+ outBuff.size = outBuff.pos + adjustedDstSize;
+ DISPLAYLEVEL(5, "Flushing into dst buffer of size %u \n", (U32)adjustedDstSize);
+ { size_t const flushError = ZSTDMT_flushStream(zc, &outBuff);
+ CHECK (ZSTD_isError(flushError), "flush error : %s", ZSTD_getErrorName(flushError));
+ } } }
+
+ /* final frame epilogue */
+ { size_t remainingToFlush = (size_t)(-1);
+ while (remainingToFlush) {
+ size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize);
+ outBuff.size = outBuff.pos + adjustedDstSize;
+ DISPLAYLEVEL(5, "Ending into dst buffer of size %u \n", (U32)adjustedDstSize);
+ remainingToFlush = ZSTDMT_endStream(zc, &outBuff);
+ CHECK (ZSTD_isError(remainingToFlush), "flush error : %s", ZSTD_getErrorName(remainingToFlush));
+ DISPLAYLEVEL(5, "endStream : remainingToFlush : %u \n", (U32)remainingToFlush);
+ } }
+ DISPLAYLEVEL(5, "Frame completed \n");
+ crcOrig = XXH64_digest(&xxhState);
+ cSize = outBuff.pos;
+ }
+
+ /* multi - fragments decompression test */
+ if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) {
+ CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed");
+ } else {
+ ZSTD_initDStream_usingDict(zd, dict, dictSize);
+ }
+ { size_t decompressionResult = 1;
+ ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 };
+ ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 };
+ for (totalGenSize = 0 ; decompressionResult ; ) {
+ size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize);
+ inBuff.size = inBuff.pos + readCSrcSize;
+ outBuff.size = inBuff.pos + dstBuffSize;
+ decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff);
+ CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult));
+ }
+ CHECK (decompressionResult != 0, "frame not fully decoded");
+ CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size")
+ CHECK (inBuff.pos != 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 */
+ ZSTD_initDStream(zd_noise); /* note : no dictionary */
+ { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 };
+ ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 };
+ while (outBuff.pos < dstBufferSize) {
+ size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog);
+ size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize);
+ outBuff.size = outBuff.pos + adjustedDstSize;
+ inBuff.size = inBuff.pos + randomCSrcSize;
+ { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff);
+ if (ZSTD_isError(decompressError)) break; /* error correctly detected */
+ } } } }
+ DISPLAY("\r%u fuzzer tests completed \n", testNb);
+
+_cleanup:
+ ZSTDMT_freeCCtx(zc);
+ ZSTD_freeDStream(zd);
+ ZSTD_freeDStream(zd_noise);
+ 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
*********************************************************/
{
case 'h':
return FUZ_usage(programName);
+
case 'v':
argument++;
- g_displayLevel=4;
+ g_displayLevel++;
break;
+
case 'q':
argument++;
g_displayLevel--;
break;
+
case 'p': /* pause at the end */
argument++;
mainPause = 1;
break;
- case 'i':
+ case 'i': /* limit tests by nb of iterations (default) */
argument++;
nbTests=0; g_clockTime=0;
while ((*argument>='0') && (*argument<='9')) {
}
break;
- case 'T':
+ case 'T': /* limit tests by time */
argument++;
nbTests=0; g_clockTime=0;
while ((*argument>='0') && (*argument<='9')) {
g_clockTime *= CLOCKS_PER_SEC;
break;
- case 's':
+ case 's': /* manually select seed */
argument++;
seed=0;
seedset=1;
}
break;
- case 't':
+ case 't': /* select starting test number */
argument++;
testNb=0;
while ((*argument>='0') && (*argument<='9')) {
if (testNb==0) {
result = basicUnitTests(0, ((double)proba) / 100, customNULL); /* constant seed for predictability */
if (!result) {
- DISPLAYLEVEL(4, "Unit tests using customMem :\n")
+ DISPLAYLEVEL(3, "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 (!result) result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100);
+ if (!result) result = fuzzerTests_MT(seed, nbTests, testNb, ((double)proba) / 100);
if (mainPause) {
int unused;
projects / thirdparty / zstd.git / commitdiff
