Yann Collet | 4ded9e5 | 2016-08-30 10:04:33 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This source code is licensed under the BSD-style license found in the |
| 6 | * LICENSE file in the root directory of this source tree. An additional grant |
| 7 | * of patent rights can be found in the PATENTS file in the same directory. |
| 8 | */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 9 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 10 | |
| 11 | /*-************************************ |
| 12 | * Compiler specific |
| 13 | **************************************/ |
| 14 | #ifdef _MSC_VER /* Visual Studio */ |
| 15 | # define _CRT_SECURE_NO_WARNINGS /* fgets */ |
| 16 | # pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ |
| 17 | # pragma warning(disable : 4146) /* disable: C4146: minus unsigned expression */ |
| 18 | #endif |
| 19 | |
| 20 | |
| 21 | /*-************************************ |
| 22 | * Includes |
| 23 | **************************************/ |
| 24 | #include <stdlib.h> /* free */ |
| 25 | #include <stdio.h> /* fgets, sscanf */ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 26 | #include <time.h> /* clock_t, clock() */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 27 | #include <string.h> /* strcmp */ |
| 28 | #include "mem.h" |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 29 | #define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel, ZSTD_customMem, ZSTD_getDictID_fromFrame */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 30 | #include "zstd.h" /* ZSTD_compressBound */ |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 31 | #include "zstd_errors.h" /* ZSTD_error_srcSize_wrong */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 32 | #include "zstdmt_compress.h" |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 33 | #include "zdict.h" /* ZDICT_trainFromBuffer */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 34 | #include "datagen.h" /* RDG_genBuffer */ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 35 | #define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 36 | #include "xxhash.h" /* XXH64_* */ |
| 37 | |
| 38 | |
| 39 | /*-************************************ |
| 40 | * Constants |
| 41 | **************************************/ |
| 42 | #define KB *(1U<<10) |
| 43 | #define MB *(1U<<20) |
| 44 | #define GB *(1U<<30) |
| 45 | |
| 46 | static const U32 nbTestsDefault = 10000; |
| 47 | #define COMPRESSIBLE_NOISE_LENGTH (10 MB) |
| 48 | #define FUZ_COMPRESSIBILITY_DEFAULT 50 |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 49 | static const U32 prime32 = 2654435761U; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 50 | |
| 51 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 52 | /*-************************************ |
| 53 | * Display Macros |
| 54 | **************************************/ |
| 55 | #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) |
| 56 | #define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } |
| 57 | static U32 g_displayLevel = 2; |
| 58 | |
| 59 | #define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 60 | if ((FUZ_GetClockSpan(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \ |
| 61 | { g_displayClock = clock(); DISPLAY(__VA_ARGS__); \ |
Sean Purcell | 042ba12 | 2017-03-23 11:13:52 -0700 | [diff] [blame] | 62 | if (g_displayLevel>=4) fflush(stderr); } } |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 63 | static const clock_t g_refreshRate = CLOCKS_PER_SEC / 6; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 64 | static clock_t g_displayClock = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 65 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 66 | static clock_t g_clockTime = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 67 | |
| 68 | |
| 69 | /*-******************************************************* |
| 70 | * Fuzzer functions |
| 71 | *********************************************************/ |
| 72 | #define MAX(a,b) ((a)>(b)?(a):(b)) |
| 73 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 74 | static clock_t FUZ_GetClockSpan(clock_t clockStart) |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 75 | { |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 76 | return clock() - clockStart; /* works even when overflow. Max span ~ 30 mn */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | /*! FUZ_rand() : |
| 80 | @return : a 27 bits random value, from a 32-bits `seed`. |
| 81 | `seed` is also modified */ |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 82 | #define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r))) |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 83 | unsigned int FUZ_rand(unsigned int* seedPtr) |
| 84 | { |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 85 | static const U32 prime2 = 2246822519U; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 86 | U32 rand32 = *seedPtr; |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 87 | rand32 *= prime32; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 88 | rand32 += prime2; |
| 89 | rand32 = FUZ_rotl32(rand32, 13); |
| 90 | *seedPtr = rand32; |
| 91 | return rand32 >> 5; |
| 92 | } |
| 93 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 94 | static void* allocFunction(void* opaque, size_t size) |
| 95 | { |
| 96 | void* address = malloc(size); |
| 97 | (void)opaque; |
| 98 | return address; |
| 99 | } |
| 100 | |
| 101 | static void freeFunction(void* opaque, void* address) |
| 102 | { |
| 103 | (void)opaque; |
| 104 | free(address); |
| 105 | } |
| 106 | |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 107 | |
| 108 | /*====================================================== |
| 109 | * Basic Unit tests |
| 110 | ======================================================*/ |
| 111 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 112 | typedef struct { |
| 113 | void* start; |
| 114 | size_t size; |
| 115 | size_t filled; |
| 116 | } buffer_t; |
| 117 | |
| 118 | static const buffer_t g_nullBuffer = { NULL, 0 , 0 }; |
| 119 | |
| 120 | static buffer_t FUZ_createDictionary(const void* src, size_t srcSize, size_t blockSize, size_t requestedDictSize) |
| 121 | { |
| 122 | buffer_t dict = { NULL, 0, 0 }; |
| 123 | size_t const nbBlocks = (srcSize + (blockSize-1)) / blockSize; |
| 124 | size_t* const blockSizes = (size_t*) malloc(nbBlocks * sizeof(size_t)); |
| 125 | if (!blockSizes) return dict; |
| 126 | dict.start = malloc(requestedDictSize); |
| 127 | if (!dict.start) { free(blockSizes); return dict; } |
| 128 | { size_t nb; |
| 129 | for (nb=0; nb<nbBlocks-1; nb++) blockSizes[nb] = blockSize; |
| 130 | blockSizes[nbBlocks-1] = srcSize - (blockSize * (nbBlocks-1)); |
| 131 | } |
| 132 | { size_t const dictSize = ZDICT_trainFromBuffer(dict.start, requestedDictSize, src, blockSizes, (unsigned)nbBlocks); |
| 133 | free(blockSizes); |
| 134 | if (ZDICT_isError(dictSize)) { free(dict.start); return (buffer_t){ NULL, 0, 0 }; } |
| 135 | dict.size = requestedDictSize; |
| 136 | dict.filled = dictSize; |
| 137 | return dict; /* how to return dictSize ? */ |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | static void FUZ_freeDictionary(buffer_t dict) |
| 142 | { |
| 143 | free(dict.start); |
| 144 | } |
| 145 | |
| 146 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 147 | static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem customMem) |
| 148 | { |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 149 | size_t const CNBufferSize = COMPRESSIBLE_NOISE_LENGTH; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 150 | void* CNBuffer = malloc(CNBufferSize); |
| 151 | size_t const skippableFrameSize = 11; |
| 152 | size_t const compressedBufferSize = (8 + skippableFrameSize) + ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH); |
| 153 | void* compressedBuffer = malloc(compressedBufferSize); |
| 154 | size_t const decodedBufferSize = CNBufferSize; |
| 155 | void* decodedBuffer = malloc(decodedBufferSize); |
| 156 | size_t cSize; |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 157 | int testResult = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 158 | U32 testNb=0; |
| 159 | ZSTD_CStream* zc = ZSTD_createCStream_advanced(customMem); |
| 160 | ZSTD_DStream* zd = ZSTD_createDStream_advanced(customMem); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 161 | ZSTD_inBuffer inBuff, inBuff2; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 162 | ZSTD_outBuffer outBuff; |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 163 | buffer_t dictionary = g_nullBuffer; |
| 164 | unsigned dictID = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 165 | |
| 166 | /* Create compressible test buffer */ |
| 167 | if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd) { |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 168 | DISPLAY("Not enough memory, aborting \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 169 | goto _output_error; |
| 170 | } |
| 171 | RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., seed); |
| 172 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 173 | /* Create dictionary */ |
| 174 | MEM_STATIC_ASSERT(COMPRESSIBLE_NOISE_LENGTH >= 4 MB); |
| 175 | dictionary = FUZ_createDictionary(CNBuffer, 4 MB, 4 KB, 40 KB); |
| 176 | if (!dictionary.start) { |
| 177 | DISPLAY("Error creating dictionary, aborting \n"); |
| 178 | goto _output_error; |
| 179 | } |
| 180 | dictID = ZDICT_getDictID(dictionary.start, dictionary.filled); |
| 181 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 182 | /* generate skippable frame */ |
| 183 | MEM_writeLE32(compressedBuffer, ZSTD_MAGIC_SKIPPABLE_START); |
| 184 | MEM_writeLE32(((char*)compressedBuffer)+4, (U32)skippableFrameSize); |
| 185 | cSize = skippableFrameSize + 8; |
| 186 | |
| 187 | /* Basic compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 188 | DISPLAYLEVEL(3, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 189 | ZSTD_initCStream_usingDict(zc, CNBuffer, 128 KB, 1); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 190 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 191 | outBuff.size = compressedBufferSize; |
| 192 | outBuff.pos = 0; |
| 193 | inBuff.src = CNBuffer; |
| 194 | inBuff.size = CNBufferSize; |
| 195 | inBuff.pos = 0; |
| 196 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 197 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 198 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 199 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
Yann Collet | 9a021c1 | 2016-08-26 09:05:06 +0200 | [diff] [blame] | 200 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 201 | cSize += outBuff.pos; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 202 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 203 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 204 | DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++); |
Yann Collet | 70e3b31 | 2016-08-23 01:18:06 +0200 | [diff] [blame] | 205 | { size_t const s = ZSTD_sizeof_CStream(zc); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 206 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 207 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 208 | } |
| 209 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 210 | /* skippable frame test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 211 | DISPLAYLEVEL(3, "test%3i : decompress skippable frame : ", testNb++); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 212 | ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 213 | inBuff.src = compressedBuffer; |
| 214 | inBuff.size = cSize; |
| 215 | inBuff.pos = 0; |
| 216 | outBuff.dst = decodedBuffer; |
| 217 | outBuff.size = CNBufferSize; |
| 218 | outBuff.pos = 0; |
| 219 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 220 | if (r != 0) goto _output_error; } |
Yann Collet | a33ae64 | 2017-02-28 01:15:28 -0800 | [diff] [blame] | 221 | if (outBuff.pos != 0) goto _output_error; /* skippable frame output len is 0 */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 222 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 223 | |
| 224 | /* Basic decompression test */ |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 225 | inBuff2 = inBuff; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 226 | DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 227 | ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 228 | { size_t const r = ZSTD_setDStreamParameter(zd, DStream_p_maxWindowSize, 1000000000); /* large limit */ |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 229 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 230 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 231 | if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ |
| 232 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 233 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 234 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 235 | |
| 236 | /* Re-use without init */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 237 | DISPLAYLEVEL(3, "test%3i : decompress again without init (re-use previous settings): ", testNb++); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 238 | outBuff.pos = 0; |
| 239 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff2); |
| 240 | if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 241 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 242 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 243 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 244 | |
| 245 | /* check regenerated data is byte exact */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 246 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 247 | { size_t i; |
| 248 | for (i=0; i<CNBufferSize; i++) { |
| 249 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error; |
| 250 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 251 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 252 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 253 | DISPLAYLEVEL(3, "test%3i : check DStream size : ", testNb++); |
Yann Collet | 70e3b31 | 2016-08-23 01:18:06 +0200 | [diff] [blame] | 254 | { size_t const s = ZSTD_sizeof_DStream(zd); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 255 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 256 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 257 | } |
| 258 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 259 | /* Byte-by-byte decompression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 260 | DISPLAYLEVEL(3, "test%3i : decompress byte-by-byte : ", testNb++); |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 261 | { /* skippable frame */ |
| 262 | size_t r = 1; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 263 | ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 264 | inBuff.src = compressedBuffer; |
| 265 | outBuff.dst = decodedBuffer; |
| 266 | inBuff.pos = 0; |
| 267 | outBuff.pos = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 268 | while (r) { /* skippable frame */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 269 | inBuff.size = inBuff.pos + 1; |
| 270 | outBuff.size = outBuff.pos + 1; |
| 271 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 272 | if (ZSTD_isError(r)) goto _output_error; |
| 273 | } |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 274 | /* normal frame */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 275 | ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB); |
| 276 | r=1; |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 277 | while (r) { |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 278 | inBuff.size = inBuff.pos + 1; |
| 279 | outBuff.size = outBuff.pos + 1; |
| 280 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 281 | if (ZSTD_isError(r)) goto _output_error; |
| 282 | } |
| 283 | } |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 284 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 285 | if (inBuff.pos != cSize) goto _output_error; /* should have read the entire frame */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 286 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 287 | |
| 288 | /* check regenerated data is byte exact */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 289 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 290 | { size_t i; |
| 291 | for (i=0; i<CNBufferSize; i++) { |
| 292 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;; |
| 293 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 294 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 295 | |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 296 | /* _srcSize compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 297 | DISPLAYLEVEL(3, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 298 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 299 | outBuff.dst = (char*)(compressedBuffer); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 300 | outBuff.size = compressedBufferSize; |
| 301 | outBuff.pos = 0; |
| 302 | inBuff.src = CNBuffer; |
| 303 | inBuff.size = CNBufferSize; |
| 304 | inBuff.pos = 0; |
| 305 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 306 | if (ZSTD_isError(r)) goto _output_error; } |
| 307 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 308 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 309 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
Sean Purcell | 4e70971 | 2017-02-07 13:50:09 -0800 | [diff] [blame] | 310 | { unsigned long long origSize = ZSTD_findDecompressedSize(outBuff.dst, outBuff.pos); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 311 | if ((size_t)origSize != CNBufferSize) goto _output_error; } /* exact original size must be present */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 312 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 313 | |
| 314 | /* wrong _srcSize compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 315 | DISPLAYLEVEL(3, "test%3i : wrong srcSize : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 316 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize-1); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 317 | outBuff.dst = (char*)(compressedBuffer); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 318 | outBuff.size = compressedBufferSize; |
| 319 | outBuff.pos = 0; |
| 320 | inBuff.src = CNBuffer; |
| 321 | inBuff.size = CNBufferSize; |
| 322 | inBuff.pos = 0; |
| 323 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 324 | if (ZSTD_isError(r)) goto _output_error; } |
| 325 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 326 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 327 | if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; /* must fail : wrong srcSize */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 328 | DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); } |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 329 | |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 330 | /* Complex context re-use scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 331 | DISPLAYLEVEL(3, "test%3i : context re-use : ", testNb++); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 332 | ZSTD_freeCStream(zc); |
| 333 | zc = ZSTD_createCStream_advanced(customMem); |
| 334 | if (zc==NULL) goto _output_error; /* memory allocation issue */ |
| 335 | /* use 1 */ |
| 336 | { size_t const inSize = 513; |
| 337 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
| 338 | inBuff.src = CNBuffer; |
| 339 | inBuff.size = inSize; |
| 340 | inBuff.pos = 0; |
| 341 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 342 | outBuff.size = ZSTD_compressBound(inSize); |
| 343 | outBuff.pos = 0; |
| 344 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 345 | if (ZSTD_isError(r)) goto _output_error; } |
| 346 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 347 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 348 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 349 | } |
| 350 | /* use 2 */ |
| 351 | { size_t const inSize = 1025; /* will not continue, because tables auto-adjust and are therefore different size */ |
| 352 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
| 353 | inBuff.src = CNBuffer; |
| 354 | inBuff.size = inSize; |
| 355 | inBuff.pos = 0; |
| 356 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 357 | outBuff.size = ZSTD_compressBound(inSize); |
| 358 | outBuff.pos = 0; |
| 359 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 360 | if (ZSTD_isError(r)) goto _output_error; } |
| 361 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 362 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 363 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 364 | } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 365 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 366 | |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 367 | /* CDict scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 368 | DISPLAYLEVEL(3, "test%3i : digested dictionary : ", testNb++); |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 369 | { ZSTD_CDict* const cdict = ZSTD_createCDict(dictionary.start, dictionary.filled, 1); |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 370 | size_t const initError = ZSTD_initCStream_usingCDict(zc, cdict); |
| 371 | if (ZSTD_isError(initError)) goto _output_error; |
| 372 | cSize = 0; |
| 373 | outBuff.dst = compressedBuffer; |
| 374 | outBuff.size = compressedBufferSize; |
| 375 | outBuff.pos = 0; |
| 376 | inBuff.src = CNBuffer; |
| 377 | inBuff.size = CNBufferSize; |
| 378 | inBuff.pos = 0; |
| 379 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 380 | if (ZSTD_isError(r)) goto _output_error; } |
| 381 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 382 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 383 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 384 | cSize = outBuff.pos; |
| 385 | ZSTD_freeCDict(cdict); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 386 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100); |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 387 | } |
| 388 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 389 | DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 390 | { size_t const s = ZSTD_sizeof_CStream(zc); |
| 391 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 392 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 393 | } |
| 394 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 395 | DISPLAYLEVEL(4, "test%3i : check Dictionary ID : ", testNb++); |
| 396 | { unsigned const dID = ZSTD_getDictID_fromFrame(compressedBuffer, cSize); |
| 397 | if (dID != dictID) goto _output_error; |
| 398 | DISPLAYLEVEL(4, "OK (%u) \n", dID); |
| 399 | } |
| 400 | |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 401 | /* DDict scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 402 | DISPLAYLEVEL(3, "test%3i : decompress %u bytes with digested dictionary : ", testNb++, (U32)CNBufferSize); |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 403 | { ZSTD_DDict* const ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 404 | size_t const initError = ZSTD_initDStream_usingDDict(zd, ddict); |
| 405 | if (ZSTD_isError(initError)) goto _output_error; |
| 406 | inBuff.src = compressedBuffer; |
| 407 | inBuff.size = cSize; |
| 408 | inBuff.pos = 0; |
| 409 | outBuff.dst = decodedBuffer; |
| 410 | outBuff.size = CNBufferSize; |
| 411 | outBuff.pos = 0; |
| 412 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 413 | if (r != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ |
| 414 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 415 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ |
| 416 | ZSTD_freeDDict(ddict); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 417 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 418 | } |
| 419 | |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 420 | /* test ZSTD_setDStreamParameter() resilience */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 421 | DISPLAYLEVEL(3, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 422 | { size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */ |
| 423 | if (!ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 424 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 425 | |
| 426 | /* Memory restriction */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 427 | DISPLAYLEVEL(3, "test%3i : maxWindowSize < frame requirement : ", testNb++); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 428 | ZSTD_initDStream_usingDict(zd, CNBuffer, 128 KB); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 429 | { size_t const r = ZSTD_setDStreamParameter(zd, DStream_p_maxWindowSize, 1000); /* too small limit */ |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 430 | if (ZSTD_isError(r)) goto _output_error; } |
| 431 | inBuff.src = compressedBuffer; |
| 432 | inBuff.size = cSize; |
| 433 | inBuff.pos = 0; |
| 434 | outBuff.dst = decodedBuffer; |
| 435 | outBuff.size = CNBufferSize; |
| 436 | outBuff.pos = 0; |
| 437 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 438 | if (!ZSTD_isError(r)) goto _output_error; /* must fail : frame requires > 100 bytes */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 439 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); } |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 440 | |
Sean Purcell | 2db7249 | 2017-02-09 10:50:43 -0800 | [diff] [blame] | 441 | /* Unknown srcSize */ |
| 442 | DISPLAYLEVEL(3, "test%3i : pledgedSrcSize == 0 behaves properly : ", testNb++); |
| 443 | { ZSTD_parameters params = ZSTD_getParams(5, 0, 0); |
| 444 | params.fParams.contentSizeFlag = 1; |
| 445 | ZSTD_initCStream_advanced(zc, NULL, 0, params, 0); } /* cstream advanced should write the 0 size field */ |
| 446 | inBuff.src = CNBuffer; |
| 447 | inBuff.size = 0; |
| 448 | inBuff.pos = 0; |
| 449 | outBuff.dst = compressedBuffer; |
| 450 | outBuff.size = compressedBufferSize; |
| 451 | outBuff.pos = 0; |
| 452 | if (ZSTD_isError(ZSTD_compressStream(zc, &outBuff, &inBuff))) goto _output_error; |
| 453 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; |
| 454 | cSize = outBuff.pos; |
| 455 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != 0) goto _output_error; |
| 456 | |
| 457 | ZSTD_resetCStream(zc, 0); /* resetCStream should treat 0 as unknown */ |
| 458 | inBuff.src = CNBuffer; |
| 459 | inBuff.size = 0; |
| 460 | inBuff.pos = 0; |
| 461 | outBuff.dst = compressedBuffer; |
| 462 | outBuff.size = compressedBufferSize; |
| 463 | outBuff.pos = 0; |
| 464 | if (ZSTD_isError(ZSTD_compressStream(zc, &outBuff, &inBuff))) goto _output_error; |
| 465 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; |
| 466 | cSize = outBuff.pos; |
| 467 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != ZSTD_CONTENTSIZE_UNKNOWN) goto _output_error; |
| 468 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 469 | |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 470 | /* Overlen overwriting window data bug */ |
| 471 | DISPLAYLEVEL(3, "test%3i : wildcopy doesn't overwrite potential match data : ", testNb++); |
Sean Purcell | 0ed3901 | 2017-02-16 13:29:47 -0800 | [diff] [blame] | 472 | { /* This test has a window size of 1024 bytes and consists of 3 blocks: |
| 473 | 1. 'a' repeated 517 times |
| 474 | 2. 'b' repeated 516 times |
| 475 | 3. a compressed block with no literals and 3 sequence commands: |
| 476 | litlength = 0, offset = 24, match length = 24 |
| 477 | litlength = 0, offset = 24, match length = 3 (this one creates an overlength write of length 2*WILDCOPY_OVERLENGTH - 3) |
| 478 | litlength = 0, offset = 1021, match length = 3 (this one will try to read from overwritten data if the buffer is too small) */ |
| 479 | |
| 480 | const char* testCase = |
| 481 | "\x28\xB5\x2F\xFD\x04\x00\x4C\x00\x00\x10\x61\x61\x01\x00\x00\x2A" |
| 482 | "\x80\x05\x44\x00\x00\x08\x62\x01\x00\x00\x2A\x20\x04\x5D\x00\x00" |
| 483 | "\x00\x03\x40\x00\x00\x64\x60\x27\xB0\xE0\x0C\x67\x62\xCE\xE0"; |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 484 | ZSTD_DStream* zds = ZSTD_createDStream(); |
| 485 | |
| 486 | ZSTD_initDStream(zds); |
| 487 | inBuff.src = testCase; |
Sean Purcell | 0ed3901 | 2017-02-16 13:29:47 -0800 | [diff] [blame] | 488 | inBuff.size = 47; |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 489 | inBuff.pos = 0; |
| 490 | outBuff.dst = decodedBuffer; |
| 491 | outBuff.size = CNBufferSize; |
| 492 | outBuff.pos = 0; |
| 493 | |
| 494 | while (inBuff.pos < inBuff.size) { |
| 495 | size_t const r = ZSTD_decompressStream(zds, &outBuff, &inBuff); |
| 496 | /* Bug will cause checksum to fail */ |
| 497 | if (ZSTD_isError(r)) goto _output_error; |
| 498 | } |
Przemyslaw Skibinski | 684858e | 2017-02-21 18:17:24 +0100 | [diff] [blame] | 499 | |
| 500 | ZSTD_freeDStream(zds); |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 501 | } |
| 502 | DISPLAYLEVEL(3, "OK \n"); |
| 503 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 504 | _end: |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 505 | FUZ_freeDictionary(dictionary); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 506 | ZSTD_freeCStream(zc); |
| 507 | ZSTD_freeDStream(zd); |
| 508 | free(CNBuffer); |
| 509 | free(compressedBuffer); |
| 510 | free(decodedBuffer); |
| 511 | return testResult; |
| 512 | |
| 513 | _output_error: |
| 514 | testResult = 1; |
| 515 | DISPLAY("Error detected in Unit tests ! \n"); |
| 516 | goto _end; |
| 517 | } |
| 518 | |
| 519 | |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 520 | /* ====== Fuzzer tests ====== */ |
| 521 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 522 | static size_t findDiff(const void* buf1, const void* buf2, size_t max) |
| 523 | { |
| 524 | const BYTE* b1 = (const BYTE*)buf1; |
| 525 | const BYTE* b2 = (const BYTE*)buf2; |
| 526 | size_t u; |
| 527 | for (u=0; u<max; u++) { |
| 528 | if (b1[u] != b2[u]) break; |
| 529 | } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 530 | DISPLAY("Error at position %u / %u \n", (U32)u, (U32)max); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 531 | DISPLAY(" %02X %02X %02X :%02X: %02X %02X %02X %02X %02X \n", |
| 532 | b1[u-3], b1[u-2], b1[u-1], b1[u-0], b1[u+1], b1[u+2], b1[u+3], b1[u+4], b1[u+5]); |
| 533 | DISPLAY(" %02X %02X %02X :%02X: %02X %02X %02X %02X %02X \n", |
| 534 | b2[u-3], b2[u-2], b2[u-1], b2[u-0], b2[u+1], b2[u+2], b2[u+3], b2[u+4], b2[u+5]); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 535 | return u; |
| 536 | } |
| 537 | |
| 538 | static size_t FUZ_rLogLength(U32* seed, U32 logLength) |
| 539 | { |
| 540 | size_t const lengthMask = ((size_t)1 << logLength) - 1; |
| 541 | return (lengthMask+1) + (FUZ_rand(seed) & lengthMask); |
| 542 | } |
| 543 | |
| 544 | static size_t FUZ_randomLength(U32* seed, U32 maxLog) |
| 545 | { |
| 546 | U32 const logLength = FUZ_rand(seed) % maxLog; |
| 547 | return FUZ_rLogLength(seed, logLength); |
| 548 | } |
| 549 | |
| 550 | #define MIN(a,b) ( (a) < (b) ? (a) : (b) ) |
| 551 | |
| 552 | #define CHECK(cond, ...) if (cond) { DISPLAY("Error => "); DISPLAY(__VA_ARGS__); \ |
| 553 | DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); goto _output_error; } |
| 554 | |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 555 | static int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibility, int bigTests) |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 556 | { |
| 557 | static const U32 maxSrcLog = 24; |
| 558 | static const U32 maxSampleLog = 19; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 559 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 560 | BYTE* cNoiseBuffer[5]; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 561 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); |
| 562 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
| 563 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
| 564 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
| 565 | size_t const dstBufferSize = srcBufferSize; |
| 566 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 567 | U32 result = 0; |
| 568 | U32 testNb = 0; |
| 569 | U32 coreSeed = seed; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 570 | ZSTD_CStream* zc = ZSTD_createCStream(); /* will be reset sometimes */ |
| 571 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ |
| 572 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
| 573 | clock_t const startClock = clock(); |
| 574 | const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */ |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 575 | size_t dictSize = 0; |
| 576 | U32 oldTestLog = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 577 | int const cLevelLimiter = bigTests ? 3 : 2; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 578 | |
| 579 | /* allocations */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 580 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); |
| 581 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); |
| 582 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); |
| 583 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); |
| 584 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 585 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 586 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 587 | "Not enough memory, fuzzer tests cancelled"); |
| 588 | |
| 589 | /* Create initial samples */ |
| 590 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ |
| 591 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ |
| 592 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); |
| 593 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ |
| 594 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ |
| 595 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 596 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 597 | |
| 598 | /* catch up testNb */ |
| 599 | for (testNb=1; testNb < startTest; testNb++) |
| 600 | FUZ_rand(&coreSeed); |
| 601 | |
| 602 | /* test loop */ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 603 | for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 604 | U32 lseed; |
| 605 | const BYTE* srcBuffer; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 606 | size_t totalTestSize, totalGenSize, cSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 607 | XXH64_state_t xxhState; |
| 608 | U64 crcOrig; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 609 | U32 resetAllowed = 1; |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 610 | size_t maxTestSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 611 | |
| 612 | /* init */ |
Yann Collet | 4c0b44f | 2016-11-01 11:13:22 -0700 | [diff] [blame] | 613 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } |
| 614 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 615 | FUZ_rand(&coreSeed); |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 616 | lseed = coreSeed ^ prime32; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 617 | |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 618 | /* states full reset (deliberately not synchronized) */ |
| 619 | /* some issues can only happen when reusing states */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 620 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { ZSTD_freeCStream(zc); zc = ZSTD_createCStream(); resetAllowed=0; } |
| 621 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { ZSTD_freeDStream(zd); zd = ZSTD_createDStream(); ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 622 | |
| 623 | /* srcBuffer selection [0-4] */ |
| 624 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; |
| 625 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ |
| 626 | else { |
| 627 | buffNb >>= 3; |
| 628 | if (buffNb & 7) { |
| 629 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ |
| 630 | buffNb = tnb[buffNb >> 3]; |
| 631 | } else { |
| 632 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ |
| 633 | buffNb = tnb[buffNb >> 3]; |
| 634 | } } |
| 635 | srcBuffer = cNoiseBuffer[buffNb]; |
| 636 | } |
| 637 | |
| 638 | /* compression init */ |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 639 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ |
| 640 | && oldTestLog /* at least one test happened */ && resetAllowed) { |
| 641 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
| 642 | if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1; |
| 643 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
| 644 | size_t const resetError = ZSTD_resetCStream(zc, pledgedSrcSize); |
| 645 | CHECK(ZSTD_isError(resetError), "ZSTD_resetCStream error : %s", ZSTD_getErrorName(resetError)); |
| 646 | } |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 647 | } else { |
| 648 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 649 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 650 | U32 const cLevel = (FUZ_rand(&lseed) % |
| 651 | (ZSTD_maxCLevel() - |
| 652 | (MAX(testLog, dictLog) / cLevelLimiter))) + |
| 653 | 1; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 654 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 655 | oldTestLog = testLog; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 656 | /* random dictionary selection */ |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 657 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 658 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
| 659 | dict = srcBuffer + dictStart; |
| 660 | } |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 661 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
| 662 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 663 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; |
| 664 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 665 | { size_t const initError = ZSTD_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize); |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 666 | CHECK (ZSTD_isError(initError),"ZSTD_initCStream_advanced error : %s", ZSTD_getErrorName(initError)); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 667 | } } } |
| 668 | |
| 669 | /* multi-segments compression test */ |
| 670 | XXH64_reset(&xxhState, 0); |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 671 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 672 | U32 n; |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 673 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 674 | /* compress random chunks into randomly sized dst buffers */ |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 675 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 676 | size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize); |
| 677 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 678 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 679 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 680 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 681 | outBuff.size = outBuff.pos + dstBuffSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 682 | |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 683 | { size_t const compressionError = ZSTD_compressStream(zc, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 684 | CHECK (ZSTD_isError(compressionError), "compression error : %s", ZSTD_getErrorName(compressionError)); } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 685 | |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 686 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); |
| 687 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); |
| 688 | totalTestSize += inBuff.pos; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 689 | } |
| 690 | |
| 691 | /* random flush operation, to mess around */ |
| 692 | if ((FUZ_rand(&lseed) & 15) == 0) { |
| 693 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 694 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 695 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 696 | { size_t const flushError = ZSTD_flushStream(zc, &outBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 697 | CHECK (ZSTD_isError(flushError), "flush error : %s", ZSTD_getErrorName(flushError)); |
| 698 | } } } |
| 699 | |
| 700 | /* final frame epilogue */ |
| 701 | { size_t remainingToFlush = (size_t)(-1); |
| 702 | while (remainingToFlush) { |
| 703 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 704 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 705 | U32 const enoughDstSize = (adjustedDstSize >= remainingToFlush); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 706 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 707 | remainingToFlush = ZSTD_endStream(zc, &outBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 708 | CHECK (ZSTD_isError(remainingToFlush), "flush error : %s", ZSTD_getErrorName(remainingToFlush)); |
| 709 | CHECK (enoughDstSize && remainingToFlush, "ZSTD_endStream() not fully flushed (%u remaining), but enough space available", (U32)remainingToFlush); |
| 710 | } } |
| 711 | crcOrig = XXH64_digest(&xxhState); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 712 | cSize = outBuff.pos; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 713 | } |
| 714 | |
| 715 | /* multi - fragments decompression test */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 716 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 717 | CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed"); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 718 | } else { |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 719 | ZSTD_initDStream_usingDict(zd, dict, dictSize); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 720 | } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 721 | { size_t decompressionResult = 1; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 722 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 723 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 724 | for (totalGenSize = 0 ; decompressionResult ; ) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 725 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 726 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 727 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 728 | inBuff.size = inBuff.pos + readCSrcSize; |
| 729 | outBuff.size = inBuff.pos + dstBuffSize; |
| 730 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 731 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 732 | } |
| 733 | CHECK (decompressionResult != 0, "frame not fully decoded"); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 734 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size") |
| 735 | CHECK (inBuff.pos != cSize, "compressed data should be fully read") |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 736 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
| 737 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); |
| 738 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); |
| 739 | } } |
| 740 | |
| 741 | /*===== noisy/erroneous src decompression test =====*/ |
| 742 | |
| 743 | /* add some noise */ |
| 744 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; |
| 745 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { |
| 746 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 747 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); |
| 748 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); |
| 749 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); |
| 750 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); |
| 751 | } } |
| 752 | |
| 753 | /* try decompression on noisy data */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 754 | ZSTD_initDStream(zd_noise); /* note : no dictionary */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 755 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 756 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 757 | while (outBuff.pos < dstBufferSize) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 758 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 759 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 760 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 761 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 762 | outBuff.size = outBuff.pos + adjustedDstSize; |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 763 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 764 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 765 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 766 | /* No forward progress possible */ |
| 767 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 768 | } } } } |
| 769 | DISPLAY("\r%u fuzzer tests completed \n", testNb); |
| 770 | |
| 771 | _cleanup: |
| 772 | ZSTD_freeCStream(zc); |
| 773 | ZSTD_freeDStream(zd); |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 774 | ZSTD_freeDStream(zd_noise); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 775 | free(cNoiseBuffer[0]); |
| 776 | free(cNoiseBuffer[1]); |
| 777 | free(cNoiseBuffer[2]); |
| 778 | free(cNoiseBuffer[3]); |
| 779 | free(cNoiseBuffer[4]); |
| 780 | free(copyBuffer); |
| 781 | free(cBuffer); |
| 782 | free(dstBuffer); |
| 783 | return result; |
| 784 | |
| 785 | _output_error: |
| 786 | result = 1; |
| 787 | goto _cleanup; |
| 788 | } |
| 789 | |
| 790 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 791 | /* Multi-threading version of fuzzer Tests */ |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 792 | static int fuzzerTests_MT(U32 seed, U32 nbTests, unsigned startTest, double compressibility, int bigTests) |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 793 | { |
| 794 | static const U32 maxSrcLog = 24; |
| 795 | static const U32 maxSampleLog = 19; |
| 796 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; |
| 797 | BYTE* cNoiseBuffer[5]; |
| 798 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); |
| 799 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
| 800 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
| 801 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
| 802 | size_t const dstBufferSize = srcBufferSize; |
| 803 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); |
| 804 | U32 result = 0; |
| 805 | U32 testNb = 0; |
| 806 | U32 coreSeed = seed; |
| 807 | ZSTDMT_CCtx* zc = ZSTDMT_createCCtx(2); /* will be reset sometimes */ |
| 808 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ |
| 809 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
| 810 | clock_t const startClock = clock(); |
| 811 | const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */ |
| 812 | size_t dictSize = 0; |
| 813 | U32 oldTestLog = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 814 | int const cLevelLimiter = bigTests ? 3 : 2; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 815 | |
| 816 | /* allocations */ |
| 817 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); |
| 818 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); |
| 819 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); |
| 820 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); |
| 821 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); |
| 822 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || |
| 823 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , |
| 824 | "Not enough memory, fuzzer tests cancelled"); |
| 825 | |
| 826 | /* Create initial samples */ |
| 827 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ |
| 828 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ |
| 829 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); |
| 830 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ |
| 831 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ |
| 832 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ |
| 833 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 834 | |
| 835 | /* catch up testNb */ |
| 836 | for (testNb=1; testNb < startTest; testNb++) |
| 837 | FUZ_rand(&coreSeed); |
| 838 | |
| 839 | /* test loop */ |
| 840 | for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) { |
| 841 | U32 lseed; |
| 842 | const BYTE* srcBuffer; |
| 843 | size_t totalTestSize, totalGenSize, cSize; |
| 844 | XXH64_state_t xxhState; |
| 845 | U64 crcOrig; |
| 846 | U32 resetAllowed = 1; |
| 847 | size_t maxTestSize; |
| 848 | |
| 849 | /* init */ |
| 850 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } |
| 851 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } |
| 852 | FUZ_rand(&coreSeed); |
Yann Collet | d7e3cb5 | 2017-01-20 16:44:50 -0800 | [diff] [blame] | 853 | lseed = coreSeed ^ prime32; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 854 | |
| 855 | /* states full reset (deliberately not synchronized) */ |
| 856 | /* some issues can only happen when reusing states */ |
| 857 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { |
| 858 | U32 const nbThreads = (FUZ_rand(&lseed) % 6) + 1; |
| 859 | ZSTDMT_freeCCtx(zc); |
| 860 | zc = ZSTDMT_createCCtx(nbThreads); |
| 861 | resetAllowed=0; |
| 862 | } |
| 863 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { |
| 864 | ZSTD_freeDStream(zd); |
| 865 | zd = ZSTD_createDStream(); |
| 866 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 867 | } |
| 868 | |
| 869 | /* srcBuffer selection [0-4] */ |
| 870 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; |
| 871 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ |
| 872 | else { |
| 873 | buffNb >>= 3; |
| 874 | if (buffNb & 7) { |
| 875 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ |
| 876 | buffNb = tnb[buffNb >> 3]; |
| 877 | } else { |
| 878 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ |
| 879 | buffNb = tnb[buffNb >> 3]; |
| 880 | } } |
| 881 | srcBuffer = cNoiseBuffer[buffNb]; |
| 882 | } |
| 883 | |
| 884 | /* compression init */ |
| 885 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ |
| 886 | && oldTestLog /* at least one test happened */ && resetAllowed) { |
| 887 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
| 888 | if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1; |
| 889 | { int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1; |
| 890 | size_t const resetError = ZSTDMT_initCStream(zc, compressionLevel); |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 891 | CHECK(ZSTD_isError(resetError), "ZSTDMT_initCStream error : %s", ZSTD_getErrorName(resetError)); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 892 | } |
| 893 | } else { |
| 894 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 895 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 896 | U32 const cLevel = (FUZ_rand(&lseed) % |
| 897 | (ZSTD_maxCLevel() - |
| 898 | (MAX(testLog, dictLog) / cLevelLimiter))) + |
| 899 | 1; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 900 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
| 901 | oldTestLog = testLog; |
| 902 | /* random dictionary selection */ |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 903 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 904 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
| 905 | dict = srcBuffer + dictStart; |
| 906 | } |
| 907 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
| 908 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); |
| 909 | DISPLAYLEVEL(5, "Init with windowLog = %u \n", params.cParams.windowLog); |
| 910 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; |
| 911 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; |
Yann Collet | cd23dd2 | 2017-01-30 12:46:35 -0800 | [diff] [blame] | 912 | { size_t const initError = ZSTDMT_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize); |
| 913 | CHECK (ZSTD_isError(initError),"ZSTDMT_initCStream_advanced error : %s", ZSTD_getErrorName(initError)); } |
| 914 | ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_overlapSectionLog, FUZ_rand(&lseed) % 12); |
Yann Collet | 92c98a5 | 2017-01-30 12:50:31 -0800 | [diff] [blame] | 915 | ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_sectionSize, FUZ_rand(&lseed) % (2*maxTestSize+1)); |
Yann Collet | cd23dd2 | 2017-01-30 12:46:35 -0800 | [diff] [blame] | 916 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 917 | |
| 918 | /* multi-segments compression test */ |
| 919 | XXH64_reset(&xxhState, 0); |
| 920 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; |
| 921 | U32 n; |
| 922 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { |
| 923 | /* compress random chunks into randomly sized dst buffers */ |
| 924 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 925 | size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize); |
| 926 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
| 927 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 928 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); |
| 929 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; |
| 930 | outBuff.size = outBuff.pos + dstBuffSize; |
| 931 | |
| 932 | DISPLAYLEVEL(5, "Sending %u bytes to compress \n", (U32)srcSize); |
| 933 | { size_t const compressionError = ZSTDMT_compressStream(zc, &outBuff, &inBuff); |
| 934 | CHECK (ZSTD_isError(compressionError), "compression error : %s", ZSTD_getErrorName(compressionError)); } |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 935 | DISPLAYLEVEL(5, "%u bytes read by ZSTDMT_compressStream \n", (U32)inBuff.pos); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 936 | |
| 937 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); |
| 938 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); |
| 939 | totalTestSize += inBuff.pos; |
| 940 | } |
| 941 | |
| 942 | /* random flush operation, to mess around */ |
| 943 | if ((FUZ_rand(&lseed) & 15) == 0) { |
| 944 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 945 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 946 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 947 | DISPLAYLEVEL(5, "Flushing into dst buffer of size %u \n", (U32)adjustedDstSize); |
| 948 | { size_t const flushError = ZSTDMT_flushStream(zc, &outBuff); |
| 949 | CHECK (ZSTD_isError(flushError), "flush error : %s", ZSTD_getErrorName(flushError)); |
| 950 | } } } |
| 951 | |
| 952 | /* final frame epilogue */ |
| 953 | { size_t remainingToFlush = (size_t)(-1); |
| 954 | while (remainingToFlush) { |
| 955 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 956 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 957 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 958 | DISPLAYLEVEL(5, "Ending into dst buffer of size %u \n", (U32)adjustedDstSize); |
| 959 | remainingToFlush = ZSTDMT_endStream(zc, &outBuff); |
| 960 | CHECK (ZSTD_isError(remainingToFlush), "flush error : %s", ZSTD_getErrorName(remainingToFlush)); |
| 961 | DISPLAYLEVEL(5, "endStream : remainingToFlush : %u \n", (U32)remainingToFlush); |
| 962 | } } |
| 963 | DISPLAYLEVEL(5, "Frame completed \n"); |
| 964 | crcOrig = XXH64_digest(&xxhState); |
| 965 | cSize = outBuff.pos; |
| 966 | } |
| 967 | |
| 968 | /* multi - fragments decompression test */ |
| 969 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { |
| 970 | CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed"); |
| 971 | } else { |
| 972 | ZSTD_initDStream_usingDict(zd, dict, dictSize); |
| 973 | } |
| 974 | { size_t decompressionResult = 1; |
| 975 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 976 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 977 | for (totalGenSize = 0 ; decompressionResult ; ) { |
| 978 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 979 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 980 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); |
| 981 | inBuff.size = inBuff.pos + readCSrcSize; |
| 982 | outBuff.size = inBuff.pos + dstBuffSize; |
| 983 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 984 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
| 985 | } |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 986 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size (%u != %u)", (U32)outBuff.pos, (U32)totalTestSize); |
| 987 | CHECK (inBuff.pos != cSize, "compressed data should be fully read (%u != %u)", (U32)inBuff.pos, (U32)cSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 988 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
| 989 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); |
| 990 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); |
| 991 | } } |
| 992 | |
| 993 | /*===== noisy/erroneous src decompression test =====*/ |
| 994 | |
| 995 | /* add some noise */ |
| 996 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; |
| 997 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { |
| 998 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 999 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); |
| 1000 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); |
| 1001 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); |
| 1002 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); |
| 1003 | } } |
| 1004 | |
| 1005 | /* try decompression on noisy data */ |
| 1006 | ZSTD_initDStream(zd_noise); /* note : no dictionary */ |
| 1007 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 1008 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 1009 | while (outBuff.pos < dstBufferSize) { |
| 1010 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1011 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1012 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1013 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1014 | outBuff.size = outBuff.pos + adjustedDstSize; |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1015 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1016 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 1017 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1018 | /* No forward progress possible */ |
| 1019 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1020 | } } } } |
| 1021 | DISPLAY("\r%u fuzzer tests completed \n", testNb); |
| 1022 | |
| 1023 | _cleanup: |
| 1024 | ZSTDMT_freeCCtx(zc); |
| 1025 | ZSTD_freeDStream(zd); |
| 1026 | ZSTD_freeDStream(zd_noise); |
| 1027 | free(cNoiseBuffer[0]); |
| 1028 | free(cNoiseBuffer[1]); |
| 1029 | free(cNoiseBuffer[2]); |
| 1030 | free(cNoiseBuffer[3]); |
| 1031 | free(cNoiseBuffer[4]); |
| 1032 | free(copyBuffer); |
| 1033 | free(cBuffer); |
| 1034 | free(dstBuffer); |
| 1035 | return result; |
| 1036 | |
| 1037 | _output_error: |
| 1038 | result = 1; |
| 1039 | goto _cleanup; |
| 1040 | } |
| 1041 | |
| 1042 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1043 | /*-******************************************************* |
| 1044 | * Command line |
| 1045 | *********************************************************/ |
| 1046 | int FUZ_usage(const char* programName) |
| 1047 | { |
| 1048 | DISPLAY( "Usage :\n"); |
| 1049 | DISPLAY( " %s [args]\n", programName); |
| 1050 | DISPLAY( "\n"); |
| 1051 | DISPLAY( "Arguments :\n"); |
| 1052 | DISPLAY( " -i# : Nb of tests (default:%u) \n", nbTestsDefault); |
| 1053 | DISPLAY( " -s# : Select seed (default:prompt user)\n"); |
| 1054 | DISPLAY( " -t# : Select starting test number (default:0)\n"); |
| 1055 | DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_COMPRESSIBILITY_DEFAULT); |
| 1056 | DISPLAY( " -v : verbose\n"); |
| 1057 | DISPLAY( " -p : pause at the end\n"); |
| 1058 | DISPLAY( " -h : display help and exit\n"); |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | int main(int argc, const char** argv) |
| 1064 | { |
| 1065 | U32 seed=0; |
| 1066 | int seedset=0; |
| 1067 | int argNb; |
| 1068 | int nbTests = nbTestsDefault; |
| 1069 | int testNb = 0; |
| 1070 | int proba = FUZ_COMPRESSIBILITY_DEFAULT; |
| 1071 | int result=0; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1072 | int mainPause = 0; |
| 1073 | int mtOnly = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1074 | int bigTests = 1; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1075 | const char* const programName = argv[0]; |
Yann Collet | 8dafb1a | 2017-01-25 17:01:13 -0800 | [diff] [blame] | 1076 | ZSTD_customMem const customMem = { allocFunction, freeFunction, NULL }; |
| 1077 | ZSTD_customMem const customNULL = { NULL, NULL, NULL }; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1078 | |
| 1079 | /* Check command line */ |
| 1080 | for(argNb=1; argNb<argc; argNb++) { |
| 1081 | const char* argument = argv[argNb]; |
| 1082 | if(!argument) continue; /* Protection if argument empty */ |
| 1083 | |
| 1084 | /* Parsing commands. Aggregated commands are allowed */ |
| 1085 | if (argument[0]=='-') { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1086 | |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1087 | if (!strcmp(argument, "--mt")) { mtOnly=1; continue; } |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1088 | if (!strcmp(argument, "--no-big-tests")) { bigTests=0; continue; } |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1089 | |
| 1090 | argument++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1091 | while (*argument!=0) { |
| 1092 | switch(*argument) |
| 1093 | { |
| 1094 | case 'h': |
| 1095 | return FUZ_usage(programName); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1096 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1097 | case 'v': |
| 1098 | argument++; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1099 | g_displayLevel++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1100 | break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1101 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1102 | case 'q': |
| 1103 | argument++; |
| 1104 | g_displayLevel--; |
| 1105 | break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1106 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1107 | case 'p': /* pause at the end */ |
| 1108 | argument++; |
| 1109 | mainPause = 1; |
| 1110 | break; |
| 1111 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1112 | case 'i': /* limit tests by nb of iterations (default) */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1113 | argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1114 | nbTests=0; g_clockTime=0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1115 | while ((*argument>='0') && (*argument<='9')) { |
| 1116 | nbTests *= 10; |
| 1117 | nbTests += *argument - '0'; |
| 1118 | argument++; |
| 1119 | } |
| 1120 | break; |
| 1121 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1122 | case 'T': /* limit tests by time */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1123 | argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1124 | nbTests=0; g_clockTime=0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1125 | while ((*argument>='0') && (*argument<='9')) { |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1126 | g_clockTime *= 10; |
| 1127 | g_clockTime += *argument - '0'; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1128 | argument++; |
| 1129 | } |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1130 | if (*argument=='m') g_clockTime *=60, argument++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1131 | if (*argument=='n') argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1132 | g_clockTime *= CLOCKS_PER_SEC; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1133 | break; |
| 1134 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1135 | case 's': /* manually select seed */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1136 | argument++; |
| 1137 | seed=0; |
| 1138 | seedset=1; |
| 1139 | while ((*argument>='0') && (*argument<='9')) { |
| 1140 | seed *= 10; |
| 1141 | seed += *argument - '0'; |
| 1142 | argument++; |
| 1143 | } |
| 1144 | break; |
| 1145 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1146 | case 't': /* select starting test number */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1147 | argument++; |
| 1148 | testNb=0; |
| 1149 | while ((*argument>='0') && (*argument<='9')) { |
| 1150 | testNb *= 10; |
| 1151 | testNb += *argument - '0'; |
| 1152 | argument++; |
| 1153 | } |
| 1154 | break; |
| 1155 | |
| 1156 | case 'P': /* compressibility % */ |
| 1157 | argument++; |
| 1158 | proba=0; |
| 1159 | while ((*argument>='0') && (*argument<='9')) { |
| 1160 | proba *= 10; |
| 1161 | proba += *argument - '0'; |
| 1162 | argument++; |
| 1163 | } |
| 1164 | if (proba<0) proba=0; |
| 1165 | if (proba>100) proba=100; |
| 1166 | break; |
| 1167 | |
| 1168 | default: |
| 1169 | return FUZ_usage(programName); |
| 1170 | } |
| 1171 | } } } /* for(argNb=1; argNb<argc; argNb++) */ |
| 1172 | |
| 1173 | /* Get Seed */ |
Yann Collet | bb85581 | 2016-08-25 19:11:11 +0200 | [diff] [blame] | 1174 | DISPLAY("Starting zstream tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION_STRING); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1175 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1176 | if (!seedset) { |
| 1177 | time_t const t = time(NULL); |
| 1178 | U32 const h = XXH32(&t, sizeof(t), 1); |
| 1179 | seed = h % 10000; |
| 1180 | } |
| 1181 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1182 | DISPLAY("Seed = %u\n", seed); |
| 1183 | if (proba!=FUZ_COMPRESSIBILITY_DEFAULT) DISPLAY("Compressibility : %i%%\n", proba); |
| 1184 | |
| 1185 | if (nbTests<=0) nbTests=1; |
| 1186 | |
| 1187 | if (testNb==0) { |
| 1188 | result = basicUnitTests(0, ((double)proba) / 100, customNULL); /* constant seed for predictability */ |
| 1189 | if (!result) { |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1190 | DISPLAYLEVEL(3, "Unit tests using customMem :\n") |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1191 | result = basicUnitTests(0, ((double)proba) / 100, customMem); /* use custom memory allocation functions */ |
| 1192 | } } |
| 1193 | |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1194 | if (!result && !mtOnly) result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
| 1195 | if (!result) result = fuzzerTests_MT(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1196 | |
| 1197 | if (mainPause) { |
| 1198 | int unused; |
| 1199 | DISPLAY("Press Enter \n"); |
| 1200 | unused = getchar(); |
| 1201 | (void)unused; |
| 1202 | } |
| 1203 | return result; |
| 1204 | } |