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 */ |
Yann Collet | a5ffe3d | 2017-05-12 16:29:19 -0700 | [diff] [blame] | 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 */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 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 */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 28 | #include <assert.h> /* assert */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 29 | #include "mem.h" |
Yann Collet | a5ffe3d | 2017-05-12 16:29:19 -0700 | [diff] [blame] | 30 | #define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel, ZSTD_customMem, ZSTD_getDictID_fromFrame */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 31 | #include "zstd.h" /* ZSTD_compressBound */ |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 32 | #include "zstd_errors.h" /* ZSTD_error_srcSize_wrong */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 33 | #include "zstdmt_compress.h" |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 34 | #include "zdict.h" /* ZDICT_trainFromBuffer */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 35 | #include "datagen.h" /* RDG_genBuffer */ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 36 | #define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 37 | #include "xxhash.h" /* XXH64_* */ |
| 38 | |
| 39 | |
| 40 | /*-************************************ |
| 41 | * Constants |
| 42 | **************************************/ |
| 43 | #define KB *(1U<<10) |
| 44 | #define MB *(1U<<20) |
| 45 | #define GB *(1U<<30) |
| 46 | |
| 47 | static const U32 nbTestsDefault = 10000; |
| 48 | #define COMPRESSIBLE_NOISE_LENGTH (10 MB) |
| 49 | #define FUZ_COMPRESSIBILITY_DEFAULT 50 |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 50 | static const U32 prime32 = 2654435761U; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 51 | |
| 52 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 53 | /*-************************************ |
| 54 | * Display Macros |
| 55 | **************************************/ |
| 56 | #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 57 | #define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { \ |
| 58 | DISPLAY(__VA_ARGS__); \ |
| 59 | if (g_displayLevel>=4) fflush(stderr); } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 60 | static U32 g_displayLevel = 2; |
| 61 | |
| 62 | #define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 63 | if ((FUZ_GetClockSpan(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \ |
| 64 | { g_displayClock = clock(); DISPLAY(__VA_ARGS__); \ |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 65 | if (g_displayLevel>=4) fflush(stderr); } } |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 66 | static const clock_t g_refreshRate = CLOCKS_PER_SEC / 6; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 67 | static clock_t g_displayClock = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 68 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 69 | static clock_t g_clockTime = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 70 | |
| 71 | |
| 72 | /*-******************************************************* |
| 73 | * Fuzzer functions |
| 74 | *********************************************************/ |
| 75 | #define MAX(a,b) ((a)>(b)?(a):(b)) |
| 76 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 77 | static clock_t FUZ_GetClockSpan(clock_t clockStart) |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 78 | { |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 79 | return clock() - clockStart; /* works even when overflow. Max span ~ 30 mn */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | /*! FUZ_rand() : |
| 83 | @return : a 27 bits random value, from a 32-bits `seed`. |
| 84 | `seed` is also modified */ |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 85 | #define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r))) |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 86 | unsigned int FUZ_rand(unsigned int* seedPtr) |
| 87 | { |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 88 | static const U32 prime2 = 2246822519U; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 89 | U32 rand32 = *seedPtr; |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 90 | rand32 *= prime32; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 91 | rand32 += prime2; |
| 92 | rand32 = FUZ_rotl32(rand32, 13); |
| 93 | *seedPtr = rand32; |
| 94 | return rand32 >> 5; |
| 95 | } |
| 96 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 97 | static void* allocFunction(void* opaque, size_t size) |
| 98 | { |
| 99 | void* address = malloc(size); |
| 100 | (void)opaque; |
| 101 | return address; |
| 102 | } |
| 103 | |
| 104 | static void freeFunction(void* opaque, void* address) |
| 105 | { |
| 106 | (void)opaque; |
| 107 | free(address); |
| 108 | } |
| 109 | |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 110 | |
| 111 | /*====================================================== |
| 112 | * Basic Unit tests |
| 113 | ======================================================*/ |
| 114 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 115 | typedef struct { |
| 116 | void* start; |
| 117 | size_t size; |
| 118 | size_t filled; |
| 119 | } buffer_t; |
| 120 | |
| 121 | static const buffer_t g_nullBuffer = { NULL, 0 , 0 }; |
| 122 | |
| 123 | static buffer_t FUZ_createDictionary(const void* src, size_t srcSize, size_t blockSize, size_t requestedDictSize) |
| 124 | { |
| 125 | buffer_t dict = { NULL, 0, 0 }; |
| 126 | size_t const nbBlocks = (srcSize + (blockSize-1)) / blockSize; |
| 127 | size_t* const blockSizes = (size_t*) malloc(nbBlocks * sizeof(size_t)); |
| 128 | if (!blockSizes) return dict; |
| 129 | dict.start = malloc(requestedDictSize); |
| 130 | if (!dict.start) { free(blockSizes); return dict; } |
| 131 | { size_t nb; |
| 132 | for (nb=0; nb<nbBlocks-1; nb++) blockSizes[nb] = blockSize; |
| 133 | blockSizes[nbBlocks-1] = srcSize - (blockSize * (nbBlocks-1)); |
| 134 | } |
| 135 | { size_t const dictSize = ZDICT_trainFromBuffer(dict.start, requestedDictSize, src, blockSizes, (unsigned)nbBlocks); |
| 136 | free(blockSizes); |
Yann Collet | 2c5514c | 2017-04-18 22:52:41 -0700 | [diff] [blame] | 137 | if (ZDICT_isError(dictSize)) { free(dict.start); return g_nullBuffer; } |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 138 | dict.size = requestedDictSize; |
| 139 | dict.filled = dictSize; |
| 140 | return dict; /* how to return dictSize ? */ |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | static void FUZ_freeDictionary(buffer_t dict) |
| 145 | { |
| 146 | free(dict.start); |
| 147 | } |
| 148 | |
| 149 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 150 | static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem customMem) |
| 151 | { |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 152 | size_t const CNBufferSize = COMPRESSIBLE_NOISE_LENGTH; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 153 | void* CNBuffer = malloc(CNBufferSize); |
| 154 | size_t const skippableFrameSize = 11; |
| 155 | size_t const compressedBufferSize = (8 + skippableFrameSize) + ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH); |
| 156 | void* compressedBuffer = malloc(compressedBufferSize); |
| 157 | size_t const decodedBufferSize = CNBufferSize; |
| 158 | void* decodedBuffer = malloc(decodedBufferSize); |
| 159 | size_t cSize; |
Yann Collet | b3060f7 | 2016-09-09 16:44:16 +0200 | [diff] [blame] | 160 | int testResult = 0; |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 161 | U32 testNb = 1; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 162 | ZSTD_CStream* zc = ZSTD_createCStream_advanced(customMem); |
| 163 | ZSTD_DStream* zd = ZSTD_createDStream_advanced(customMem); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 164 | ZSTD_inBuffer inBuff, inBuff2; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 165 | ZSTD_outBuffer outBuff; |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 166 | buffer_t dictionary = g_nullBuffer; |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 167 | size_t const dictSize = 128 KB; |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 168 | unsigned dictID = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 169 | |
| 170 | /* Create compressible test buffer */ |
| 171 | if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd) { |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 172 | DISPLAY("Not enough memory, aborting \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 173 | goto _output_error; |
| 174 | } |
| 175 | RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., seed); |
| 176 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 177 | /* Create dictionary */ |
| 178 | MEM_STATIC_ASSERT(COMPRESSIBLE_NOISE_LENGTH >= 4 MB); |
| 179 | dictionary = FUZ_createDictionary(CNBuffer, 4 MB, 4 KB, 40 KB); |
| 180 | if (!dictionary.start) { |
| 181 | DISPLAY("Error creating dictionary, aborting \n"); |
| 182 | goto _output_error; |
| 183 | } |
| 184 | dictID = ZDICT_getDictID(dictionary.start, dictionary.filled); |
| 185 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 186 | /* generate skippable frame */ |
| 187 | MEM_writeLE32(compressedBuffer, ZSTD_MAGIC_SKIPPABLE_START); |
| 188 | MEM_writeLE32(((char*)compressedBuffer)+4, (U32)skippableFrameSize); |
| 189 | cSize = skippableFrameSize + 8; |
| 190 | |
| 191 | /* Basic compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 192 | DISPLAYLEVEL(3, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | 009d604 | 2017-05-19 10:17:59 -0700 | [diff] [blame] | 193 | { size_t const r = ZSTD_initCStream_usingDict(zc, CNBuffer, dictSize, 1); |
| 194 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 195 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 196 | outBuff.size = compressedBufferSize; |
| 197 | outBuff.pos = 0; |
| 198 | inBuff.src = CNBuffer; |
| 199 | inBuff.size = CNBufferSize; |
| 200 | inBuff.pos = 0; |
| 201 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 202 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 203 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 204 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
Yann Collet | 9a021c1 | 2016-08-26 09:05:06 +0200 | [diff] [blame] | 205 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 206 | cSize += outBuff.pos; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 207 | 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] | 208 | |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 209 | /* context size functions */ |
| 210 | DISPLAYLEVEL(3, "test%3i : estimate CStream size : ", testNb++); |
| 211 | { ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBufferSize, dictSize); |
| 212 | size_t const s = ZSTD_estimateCStreamSize(cParams) |
Yann Collet | 25989e3 | 2017-05-25 15:07:37 -0700 | [diff] [blame] | 213 | /* uses ZSTD_initCStream_usingDict() */ |
| 214 | + ZSTD_estimateCDictSize(cParams, dictSize, 0); |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 215 | if (ZSTD_isError(s)) goto _output_error; |
| 216 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
| 217 | } |
| 218 | |
| 219 | DISPLAYLEVEL(3, "test%3i : check actual CStream size : ", testNb++); |
Yann Collet | 70e3b31 | 2016-08-23 01:18:06 +0200 | [diff] [blame] | 220 | { size_t const s = ZSTD_sizeof_CStream(zc); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 221 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 222 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 223 | } |
| 224 | |
Yann Collet | 4b987ad | 2017-04-10 17:50:44 -0700 | [diff] [blame] | 225 | /* Attempt bad compression parameters */ |
| 226 | DISPLAYLEVEL(3, "test%3i : use bad compression parameters : ", testNb++); |
| 227 | { size_t r; |
| 228 | ZSTD_parameters params = ZSTD_getParams(1, 0, 0); |
| 229 | params.cParams.searchLength = 2; |
| 230 | r = ZSTD_initCStream_advanced(zc, NULL, 0, params, 0); |
| 231 | if (!ZSTD_isError(r)) goto _output_error; |
| 232 | DISPLAYLEVEL(3, "init error : %s \n", ZSTD_getErrorName(r)); |
| 233 | } |
| 234 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 235 | /* skippable frame test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 236 | DISPLAYLEVEL(3, "test%3i : decompress skippable frame : ", testNb++); |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 237 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 238 | inBuff.src = compressedBuffer; |
| 239 | inBuff.size = cSize; |
| 240 | inBuff.pos = 0; |
| 241 | outBuff.dst = decodedBuffer; |
| 242 | outBuff.size = CNBufferSize; |
| 243 | outBuff.pos = 0; |
| 244 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 245 | if (r != 0) goto _output_error; } |
Yann Collet | a33ae64 | 2017-02-28 01:15:28 -0800 | [diff] [blame] | 246 | 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] | 247 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 248 | |
| 249 | /* Basic decompression test */ |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 250 | inBuff2 = inBuff; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 251 | DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 252 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 253 | { 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] | 254 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 255 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 256 | if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ |
| 257 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 258 | 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] | 259 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 260 | |
| 261 | /* Re-use without init */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 262 | 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] | 263 | outBuff.pos = 0; |
| 264 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff2); |
| 265 | 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] | 266 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 267 | 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] | 268 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 269 | |
| 270 | /* check regenerated data is byte exact */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 271 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 272 | { size_t i; |
| 273 | for (i=0; i<CNBufferSize; i++) { |
| 274 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error; |
| 275 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 276 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 277 | |
Yann Collet | f16f449 | 2017-05-09 16:18:17 -0700 | [diff] [blame] | 278 | /* context size functions */ |
| 279 | DISPLAYLEVEL(3, "test%3i : estimate DStream size : ", testNb++); |
| 280 | { ZSTD_frameHeader fhi; |
| 281 | const void* cStart = (char*)compressedBuffer + (skippableFrameSize + 8); |
| 282 | size_t const gfhError = ZSTD_getFrameHeader(&fhi, cStart, cSize); |
| 283 | if (gfhError!=0) goto _output_error; |
| 284 | DISPLAYLEVEL(5, " (windowSize : %u) ", fhi.windowSize); |
| 285 | { size_t const s = ZSTD_estimateDStreamSize(fhi) |
Yann Collet | 25989e3 | 2017-05-25 15:07:37 -0700 | [diff] [blame] | 286 | /* uses ZSTD_initDStream_usingDict() */ |
| 287 | + ZSTD_estimateDDictSize(dictSize, 0); |
Yann Collet | f16f449 | 2017-05-09 16:18:17 -0700 | [diff] [blame] | 288 | if (ZSTD_isError(s)) goto _output_error; |
| 289 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
| 290 | } } |
| 291 | |
| 292 | DISPLAYLEVEL(3, "test%3i : check actual DStream size : ", testNb++); |
Yann Collet | 70e3b31 | 2016-08-23 01:18:06 +0200 | [diff] [blame] | 293 | { size_t const s = ZSTD_sizeof_DStream(zd); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 294 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 295 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | cb32763 | 2016-08-23 00:30:31 +0200 | [diff] [blame] | 296 | } |
| 297 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 298 | /* Byte-by-byte decompression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 299 | DISPLAYLEVEL(3, "test%3i : decompress byte-by-byte : ", testNb++); |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 300 | { /* skippable frame */ |
| 301 | size_t r = 1; |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 302 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 303 | inBuff.src = compressedBuffer; |
| 304 | outBuff.dst = decodedBuffer; |
| 305 | inBuff.pos = 0; |
| 306 | outBuff.pos = 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 307 | while (r) { /* skippable frame */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 308 | inBuff.size = inBuff.pos + 1; |
| 309 | outBuff.size = outBuff.pos + 1; |
| 310 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 311 | if (ZSTD_isError(r)) goto _output_error; |
| 312 | } |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 313 | /* normal frame */ |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 314 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 315 | r=1; |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 316 | while (r) { |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 317 | inBuff.size = inBuff.pos + 1; |
| 318 | outBuff.size = outBuff.pos + 1; |
| 319 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 320 | if (ZSTD_isError(r)) goto _output_error; |
| 321 | } |
| 322 | } |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 323 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 324 | 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] | 325 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 326 | |
| 327 | /* check regenerated data is byte exact */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 328 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 329 | { size_t i; |
| 330 | for (i=0; i<CNBufferSize; i++) { |
| 331 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;; |
| 332 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 333 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 334 | |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 335 | /* _srcSize compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 336 | DISPLAYLEVEL(3, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 337 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 338 | outBuff.dst = (char*)(compressedBuffer); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 339 | outBuff.size = compressedBufferSize; |
| 340 | outBuff.pos = 0; |
| 341 | inBuff.src = CNBuffer; |
| 342 | inBuff.size = CNBufferSize; |
| 343 | inBuff.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 */ |
Sean Purcell | 4e70971 | 2017-02-07 13:50:09 -0800 | [diff] [blame] | 349 | { unsigned long long origSize = ZSTD_findDecompressedSize(outBuff.dst, outBuff.pos); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 350 | 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] | 351 | 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] | 352 | |
| 353 | /* wrong _srcSize compression test */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 354 | 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] | 355 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize-1); |
Yann Collet | d564faa | 2016-12-18 21:39:15 +0100 | [diff] [blame] | 356 | outBuff.dst = (char*)(compressedBuffer); |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 357 | outBuff.size = compressedBufferSize; |
| 358 | outBuff.pos = 0; |
| 359 | inBuff.src = CNBuffer; |
| 360 | inBuff.size = CNBufferSize; |
| 361 | inBuff.pos = 0; |
| 362 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 363 | if (ZSTD_isError(r)) goto _output_error; } |
| 364 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 365 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 366 | 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] | 367 | DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); } |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 368 | |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 369 | /* Complex context re-use scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 370 | DISPLAYLEVEL(3, "test%3i : context re-use : ", testNb++); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 371 | ZSTD_freeCStream(zc); |
| 372 | zc = ZSTD_createCStream_advanced(customMem); |
| 373 | if (zc==NULL) goto _output_error; /* memory allocation issue */ |
| 374 | /* use 1 */ |
| 375 | { size_t const inSize = 513; |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 376 | DISPLAYLEVEL(5, "use1 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 377 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
| 378 | inBuff.src = CNBuffer; |
| 379 | inBuff.size = inSize; |
| 380 | inBuff.pos = 0; |
| 381 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 382 | outBuff.size = ZSTD_compressBound(inSize); |
| 383 | outBuff.pos = 0; |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 384 | DISPLAYLEVEL(5, "compress1 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 385 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 386 | if (ZSTD_isError(r)) goto _output_error; } |
| 387 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 388 | DISPLAYLEVEL(5, "end1 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 389 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 390 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 391 | } |
| 392 | /* use 2 */ |
| 393 | { size_t const inSize = 1025; /* will not continue, because tables auto-adjust and are therefore different size */ |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 394 | DISPLAYLEVEL(5, "use2 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 395 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
| 396 | inBuff.src = CNBuffer; |
| 397 | inBuff.size = inSize; |
| 398 | inBuff.pos = 0; |
| 399 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
| 400 | outBuff.size = ZSTD_compressBound(inSize); |
| 401 | outBuff.pos = 0; |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 402 | DISPLAYLEVEL(5, "compress2 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 403 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 404 | if (ZSTD_isError(r)) goto _output_error; } |
| 405 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
Yann Collet | 0be6fd3 | 2017-05-08 16:08:01 -0700 | [diff] [blame] | 406 | DISPLAYLEVEL(5, "end2 "); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 407 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 408 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 409 | } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 410 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 411 | |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 412 | /* CDict scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 413 | DISPLAYLEVEL(3, "test%3i : digested dictionary : ", testNb++); |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 414 | { ZSTD_CDict* const cdict = ZSTD_createCDict(dictionary.start, dictionary.filled, 1); |
Yann Collet | 9516234 | 2016-10-25 16:19:52 -0700 | [diff] [blame] | 415 | size_t const initError = ZSTD_initCStream_usingCDict(zc, cdict); |
| 416 | if (ZSTD_isError(initError)) goto _output_error; |
| 417 | cSize = 0; |
| 418 | outBuff.dst = compressedBuffer; |
| 419 | outBuff.size = compressedBufferSize; |
| 420 | outBuff.pos = 0; |
| 421 | inBuff.src = CNBuffer; |
| 422 | inBuff.size = CNBufferSize; |
| 423 | inBuff.pos = 0; |
| 424 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 425 | if (ZSTD_isError(r)) goto _output_error; } |
| 426 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
| 427 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 428 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 429 | cSize = outBuff.pos; |
| 430 | ZSTD_freeCDict(cdict); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 431 | 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] | 432 | } |
| 433 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 434 | DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 435 | { size_t const s = ZSTD_sizeof_CStream(zc); |
| 436 | if (ZSTD_isError(s)) goto _output_error; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 437 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s); |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 438 | } |
| 439 | |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 440 | DISPLAYLEVEL(4, "test%3i : check Dictionary ID : ", testNb++); |
| 441 | { unsigned const dID = ZSTD_getDictID_fromFrame(compressedBuffer, cSize); |
| 442 | if (dID != dictID) goto _output_error; |
| 443 | DISPLAYLEVEL(4, "OK (%u) \n", dID); |
| 444 | } |
| 445 | |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 446 | /* DDict scenario */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 447 | 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] | 448 | { ZSTD_DDict* const ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 449 | size_t const initError = ZSTD_initDStream_usingDDict(zd, ddict); |
| 450 | if (ZSTD_isError(initError)) goto _output_error; |
| 451 | inBuff.src = compressedBuffer; |
| 452 | inBuff.size = cSize; |
| 453 | inBuff.pos = 0; |
| 454 | outBuff.dst = decodedBuffer; |
| 455 | outBuff.size = CNBufferSize; |
| 456 | outBuff.pos = 0; |
| 457 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 458 | if (r != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ |
| 459 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
| 460 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ |
| 461 | ZSTD_freeDDict(ddict); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 462 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 335ad5d | 2016-10-25 17:47:02 -0700 | [diff] [blame] | 463 | } |
| 464 | |
Yann Collet | 12083a4 | 2016-09-06 15:01:51 +0200 | [diff] [blame] | 465 | /* test ZSTD_setDStreamParameter() resilience */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 466 | DISPLAYLEVEL(3, "test%3i : wrong parameter for ZSTD_setDStreamParameter(): ", testNb++); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 467 | { size_t const r = ZSTD_setDStreamParameter(zd, (ZSTD_DStreamParameter_e)999, 1); /* large limit */ |
| 468 | if (!ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 469 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 470 | |
| 471 | /* Memory restriction */ |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 472 | DISPLAYLEVEL(3, "test%3i : maxWindowSize < frame requirement : ", testNb++); |
Yann Collet | 30ab64e | 2017-05-10 11:30:19 -0700 | [diff] [blame] | 473 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 474 | { 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] | 475 | if (ZSTD_isError(r)) goto _output_error; } |
| 476 | inBuff.src = compressedBuffer; |
| 477 | inBuff.size = cSize; |
| 478 | inBuff.pos = 0; |
| 479 | outBuff.dst = decodedBuffer; |
| 480 | outBuff.size = CNBufferSize; |
| 481 | outBuff.pos = 0; |
| 482 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 483 | 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] | 484 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); } |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 485 | |
Yann Collet | 7d283cd | 2017-04-27 14:48:34 -0700 | [diff] [blame] | 486 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_usingCDict_advanced with masked dictID : ", testNb++); |
| 487 | { ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBufferSize, dictionary.filled); |
| 488 | ZSTD_frameParameters const fParams = { 1 /* contentSize */, 1 /* checksum */, 1 /* noDictID */}; |
Yann Collet | 7bd1a29 | 2017-06-21 11:50:33 -0700 | [diff] [blame^] | 489 | ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictionary.start, dictionary.filled, 1 /* byReference */, ZSTD_dm_auto, cParams, customMem); |
Yann Collet | 8c910d2 | 2017-06-03 01:15:02 -0700 | [diff] [blame] | 490 | size_t const initError = ZSTD_initCStream_usingCDict_advanced(zc, cdict, fParams, CNBufferSize); |
Yann Collet | 7d283cd | 2017-04-27 14:48:34 -0700 | [diff] [blame] | 491 | if (ZSTD_isError(initError)) goto _output_error; |
Nick Terrell | 62ecad3 | 2017-04-03 20:56:39 -0700 | [diff] [blame] | 492 | cSize = 0; |
| 493 | outBuff.dst = compressedBuffer; |
| 494 | outBuff.size = compressedBufferSize; |
| 495 | outBuff.pos = 0; |
| 496 | inBuff.src = CNBuffer; |
| 497 | inBuff.size = CNBufferSize; |
| 498 | inBuff.pos = 0; |
| 499 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); |
| 500 | if (ZSTD_isError(r)) goto _output_error; } |
Yann Collet | 8c910d2 | 2017-06-03 01:15:02 -0700 | [diff] [blame] | 501 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
Nick Terrell | 62ecad3 | 2017-04-03 20:56:39 -0700 | [diff] [blame] | 502 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
| 503 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ |
| 504 | cSize = outBuff.pos; |
| 505 | ZSTD_freeCDict(cdict); |
| 506 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBufferSize*100); |
Yann Collet | 4ee6b15 | 2017-04-11 11:59:44 -0700 | [diff] [blame] | 507 | } |
Nick Terrell | 62ecad3 | 2017-04-03 20:56:39 -0700 | [diff] [blame] | 508 | |
Yann Collet | a92cbb7 | 2017-04-27 15:08:56 -0700 | [diff] [blame] | 509 | DISPLAYLEVEL(3, "test%3i : try retrieving dictID from frame : ", testNb++); |
| 510 | { U32 const did = ZSTD_getDictID_fromFrame(compressedBuffer, cSize); |
| 511 | if (did != 0) goto _output_error; |
| 512 | } |
| 513 | DISPLAYLEVEL(3, "OK (not detected) \n"); |
| 514 | |
Yann Collet | 4ee6b15 | 2017-04-11 11:59:44 -0700 | [diff] [blame] | 515 | DISPLAYLEVEL(3, "test%3i : decompress without dictionary : ", testNb++); |
| 516 | { size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize); |
| 517 | if (!ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */ |
| 518 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); |
Nick Terrell | 62ecad3 | 2017-04-03 20:56:39 -0700 | [diff] [blame] | 519 | } |
| 520 | |
Yann Collet | 0bb381d | 2017-04-18 15:08:52 -0700 | [diff] [blame] | 521 | /* Empty srcSize */ |
| 522 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced with pledgedSrcSize=0 and dict : ", testNb++); |
| 523 | { ZSTD_parameters params = ZSTD_getParams(5, 0, 0); |
| 524 | params.fParams.contentSizeFlag = 1; |
| 525 | ZSTD_initCStream_advanced(zc, dictionary.start, dictionary.filled, params, 0); |
| 526 | } /* cstream advanced shall write content size = 0 */ |
| 527 | inBuff.src = CNBuffer; |
| 528 | inBuff.size = 0; |
| 529 | inBuff.pos = 0; |
| 530 | outBuff.dst = compressedBuffer; |
| 531 | outBuff.size = compressedBufferSize; |
| 532 | outBuff.pos = 0; |
| 533 | if (ZSTD_isError(ZSTD_compressStream(zc, &outBuff, &inBuff))) goto _output_error; |
| 534 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; |
| 535 | cSize = outBuff.pos; |
| 536 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != 0) goto _output_error; |
| 537 | DISPLAYLEVEL(3, "OK \n"); |
| 538 | |
Sean Purcell | 2db7249 | 2017-02-09 10:50:43 -0800 | [diff] [blame] | 539 | DISPLAYLEVEL(3, "test%3i : pledgedSrcSize == 0 behaves properly : ", testNb++); |
| 540 | { ZSTD_parameters params = ZSTD_getParams(5, 0, 0); |
| 541 | params.fParams.contentSizeFlag = 1; |
Yann Collet | 4ee6b15 | 2017-04-11 11:59:44 -0700 | [diff] [blame] | 542 | ZSTD_initCStream_advanced(zc, NULL, 0, params, 0); |
| 543 | } /* cstream advanced shall write content size = 0 */ |
Sean Purcell | 2db7249 | 2017-02-09 10:50:43 -0800 | [diff] [blame] | 544 | inBuff.src = CNBuffer; |
| 545 | inBuff.size = 0; |
| 546 | inBuff.pos = 0; |
| 547 | outBuff.dst = compressedBuffer; |
| 548 | outBuff.size = compressedBufferSize; |
| 549 | outBuff.pos = 0; |
| 550 | if (ZSTD_isError(ZSTD_compressStream(zc, &outBuff, &inBuff))) goto _output_error; |
| 551 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; |
| 552 | cSize = outBuff.pos; |
| 553 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != 0) goto _output_error; |
| 554 | |
| 555 | ZSTD_resetCStream(zc, 0); /* resetCStream should treat 0 as unknown */ |
| 556 | inBuff.src = CNBuffer; |
| 557 | inBuff.size = 0; |
| 558 | inBuff.pos = 0; |
| 559 | outBuff.dst = compressedBuffer; |
| 560 | outBuff.size = compressedBufferSize; |
| 561 | outBuff.pos = 0; |
| 562 | if (ZSTD_isError(ZSTD_compressStream(zc, &outBuff, &inBuff))) goto _output_error; |
| 563 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; |
| 564 | cSize = outBuff.pos; |
| 565 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != ZSTD_CONTENTSIZE_UNKNOWN) goto _output_error; |
| 566 | DISPLAYLEVEL(3, "OK \n"); |
Yann Collet | 17e482e | 2016-08-23 16:58:10 +0200 | [diff] [blame] | 567 | |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 568 | /* Overlen overwriting window data bug */ |
| 569 | DISPLAYLEVEL(3, "test%3i : wildcopy doesn't overwrite potential match data : ", testNb++); |
Sean Purcell | 0ed3901 | 2017-02-16 13:29:47 -0800 | [diff] [blame] | 570 | { /* This test has a window size of 1024 bytes and consists of 3 blocks: |
| 571 | 1. 'a' repeated 517 times |
| 572 | 2. 'b' repeated 516 times |
| 573 | 3. a compressed block with no literals and 3 sequence commands: |
| 574 | litlength = 0, offset = 24, match length = 24 |
| 575 | litlength = 0, offset = 24, match length = 3 (this one creates an overlength write of length 2*WILDCOPY_OVERLENGTH - 3) |
| 576 | litlength = 0, offset = 1021, match length = 3 (this one will try to read from overwritten data if the buffer is too small) */ |
| 577 | |
| 578 | const char* testCase = |
| 579 | "\x28\xB5\x2F\xFD\x04\x00\x4C\x00\x00\x10\x61\x61\x01\x00\x00\x2A" |
| 580 | "\x80\x05\x44\x00\x00\x08\x62\x01\x00\x00\x2A\x20\x04\x5D\x00\x00" |
| 581 | "\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] | 582 | ZSTD_DStream* zds = ZSTD_createDStream(); |
| 583 | |
| 584 | ZSTD_initDStream(zds); |
| 585 | inBuff.src = testCase; |
Sean Purcell | 0ed3901 | 2017-02-16 13:29:47 -0800 | [diff] [blame] | 586 | inBuff.size = 47; |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 587 | inBuff.pos = 0; |
| 588 | outBuff.dst = decodedBuffer; |
| 589 | outBuff.size = CNBufferSize; |
| 590 | outBuff.pos = 0; |
| 591 | |
| 592 | while (inBuff.pos < inBuff.size) { |
| 593 | size_t const r = ZSTD_decompressStream(zds, &outBuff, &inBuff); |
| 594 | /* Bug will cause checksum to fail */ |
| 595 | if (ZSTD_isError(r)) goto _output_error; |
| 596 | } |
Przemyslaw Skibinski | 684858e | 2017-02-21 18:17:24 +0100 | [diff] [blame] | 597 | |
| 598 | ZSTD_freeDStream(zds); |
Sean Purcell | 887eaa9 | 2017-02-15 16:43:45 -0800 | [diff] [blame] | 599 | } |
| 600 | DISPLAYLEVEL(3, "OK \n"); |
| 601 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 602 | _end: |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 603 | FUZ_freeDictionary(dictionary); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 604 | ZSTD_freeCStream(zc); |
| 605 | ZSTD_freeDStream(zd); |
| 606 | free(CNBuffer); |
| 607 | free(compressedBuffer); |
| 608 | free(decodedBuffer); |
| 609 | return testResult; |
| 610 | |
| 611 | _output_error: |
| 612 | testResult = 1; |
| 613 | DISPLAY("Error detected in Unit tests ! \n"); |
| 614 | goto _end; |
| 615 | } |
| 616 | |
| 617 | |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 618 | /* ====== Fuzzer tests ====== */ |
| 619 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 620 | static size_t findDiff(const void* buf1, const void* buf2, size_t max) |
| 621 | { |
| 622 | const BYTE* b1 = (const BYTE*)buf1; |
| 623 | const BYTE* b2 = (const BYTE*)buf2; |
| 624 | size_t u; |
| 625 | for (u=0; u<max; u++) { |
| 626 | if (b1[u] != b2[u]) break; |
| 627 | } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 628 | DISPLAY("Error at position %u / %u \n", (U32)u, (U32)max); |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 629 | DISPLAY(" %02X %02X %02X :%02X: %02X %02X %02X %02X %02X \n", |
| 630 | 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]); |
| 631 | DISPLAY(" %02X %02X %02X :%02X: %02X %02X %02X %02X %02X \n", |
| 632 | 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] | 633 | return u; |
| 634 | } |
| 635 | |
| 636 | static size_t FUZ_rLogLength(U32* seed, U32 logLength) |
| 637 | { |
| 638 | size_t const lengthMask = ((size_t)1 << logLength) - 1; |
| 639 | return (lengthMask+1) + (FUZ_rand(seed) & lengthMask); |
| 640 | } |
| 641 | |
| 642 | static size_t FUZ_randomLength(U32* seed, U32 maxLog) |
| 643 | { |
| 644 | U32 const logLength = FUZ_rand(seed) % maxLog; |
| 645 | return FUZ_rLogLength(seed, logLength); |
| 646 | } |
| 647 | |
| 648 | #define MIN(a,b) ( (a) < (b) ? (a) : (b) ) |
| 649 | |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 650 | #define CHECK(cond, ...) { \ |
| 651 | if (cond) { \ |
| 652 | DISPLAY("Error => "); \ |
| 653 | DISPLAY(__VA_ARGS__); \ |
| 654 | DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); \ |
| 655 | goto _output_error; \ |
| 656 | } } |
| 657 | |
| 658 | #define CHECK_Z(f) { \ |
| 659 | size_t const err = f; \ |
| 660 | if (ZSTD_isError(err)) { \ |
| 661 | DISPLAY("Error => %s : %s ", \ |
| 662 | #f, ZSTD_getErrorName(err)); \ |
| 663 | DISPLAY(" (seed %u, test nb %u) \n", seed, testNb); \ |
| 664 | goto _output_error; \ |
| 665 | } } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 666 | |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 667 | 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] | 668 | { |
| 669 | static const U32 maxSrcLog = 24; |
| 670 | static const U32 maxSampleLog = 19; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 671 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 672 | BYTE* cNoiseBuffer[5]; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 673 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); |
| 674 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
| 675 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
| 676 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
| 677 | size_t const dstBufferSize = srcBufferSize; |
| 678 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 679 | U32 result = 0; |
| 680 | U32 testNb = 0; |
| 681 | U32 coreSeed = seed; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 682 | ZSTD_CStream* zc = ZSTD_createCStream(); /* will be reset sometimes */ |
| 683 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ |
| 684 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
| 685 | clock_t const startClock = clock(); |
| 686 | const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */ |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 687 | size_t dictSize = 0; |
| 688 | U32 oldTestLog = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 689 | int const cLevelLimiter = bigTests ? 3 : 2; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 690 | |
| 691 | /* allocations */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 692 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); |
| 693 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); |
| 694 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); |
| 695 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); |
| 696 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 697 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 698 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 699 | "Not enough memory, fuzzer tests cancelled"); |
| 700 | |
| 701 | /* Create initial samples */ |
| 702 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ |
| 703 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ |
| 704 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); |
| 705 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ |
| 706 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ |
| 707 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 708 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 709 | |
| 710 | /* catch up testNb */ |
| 711 | for (testNb=1; testNb < startTest; testNb++) |
| 712 | FUZ_rand(&coreSeed); |
| 713 | |
| 714 | /* test loop */ |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 715 | for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 716 | U32 lseed; |
| 717 | const BYTE* srcBuffer; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 718 | size_t totalTestSize, totalGenSize, cSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 719 | XXH64_state_t xxhState; |
| 720 | U64 crcOrig; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 721 | U32 resetAllowed = 1; |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 722 | size_t maxTestSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 723 | |
| 724 | /* init */ |
Yann Collet | 4c0b44f | 2016-11-01 11:13:22 -0700 | [diff] [blame] | 725 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } |
| 726 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 727 | FUZ_rand(&coreSeed); |
Yann Collet | 33fce03 | 2017-01-16 19:46:22 -0800 | [diff] [blame] | 728 | lseed = coreSeed ^ prime32; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 729 | |
Yann Collet | 3ecbe6a | 2016-09-14 17:26:59 +0200 | [diff] [blame] | 730 | /* states full reset (deliberately not synchronized) */ |
| 731 | /* some issues can only happen when reusing states */ |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 732 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { |
| 733 | ZSTD_freeCStream(zc); |
| 734 | zc = ZSTD_createCStream(); |
| 735 | resetAllowed=0; |
| 736 | } |
| 737 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { |
| 738 | ZSTD_freeDStream(zd); |
| 739 | zd = ZSTD_createDStream(); |
| 740 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 741 | } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 742 | |
| 743 | /* srcBuffer selection [0-4] */ |
| 744 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; |
| 745 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ |
| 746 | else { |
| 747 | buffNb >>= 3; |
| 748 | if (buffNb & 7) { |
| 749 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ |
| 750 | buffNb = tnb[buffNb >> 3]; |
| 751 | } else { |
| 752 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ |
| 753 | buffNb = tnb[buffNb >> 3]; |
| 754 | } } |
| 755 | srcBuffer = cNoiseBuffer[buffNb]; |
| 756 | } |
| 757 | |
| 758 | /* compression init */ |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 759 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ |
| 760 | && oldTestLog /* at least one test happened */ && resetAllowed) { |
| 761 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 762 | if (maxTestSize >= srcBufferSize) |
| 763 | maxTestSize = srcBufferSize-1; |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 764 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 765 | CHECK_Z( ZSTD_resetCStream(zc, pledgedSrcSize) ); |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 766 | } |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 767 | } else { |
| 768 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 769 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 770 | U32 const cLevel = ( FUZ_rand(&lseed) % |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 771 | (ZSTD_maxCLevel() - |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 772 | (MAX(testLog, dictLog) / cLevelLimiter))) |
| 773 | + 1; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 774 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 775 | oldTestLog = testLog; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 776 | /* random dictionary selection */ |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 777 | dictSize = ((FUZ_rand(&lseed)&1)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 778 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
| 779 | dict = srcBuffer + dictStart; |
| 780 | } |
Yann Collet | cf409a7 | 2016-09-26 16:41:05 +0200 | [diff] [blame] | 781 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
| 782 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 783 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; |
| 784 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 785 | CHECK_Z ( ZSTD_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize) ); |
| 786 | } } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 787 | |
| 788 | /* multi-segments compression test */ |
| 789 | XXH64_reset(&xxhState, 0); |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 790 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 791 | U32 n; |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 792 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { |
Yann Collet | e795c8a | 2016-12-13 16:39:36 +0100 | [diff] [blame] | 793 | /* compress random chunks into randomly sized dst buffers */ |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 794 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 795 | size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize); |
| 796 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 797 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 798 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); |
Yann Collet | 2f26394 | 2016-09-26 14:06:08 +0200 | [diff] [blame] | 799 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 800 | outBuff.size = outBuff.pos + dstBuffSize; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 801 | |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 802 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 803 | |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 804 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); |
| 805 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); |
| 806 | totalTestSize += inBuff.pos; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | /* random flush operation, to mess around */ |
| 810 | if ((FUZ_rand(&lseed) & 15) == 0) { |
| 811 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 812 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 813 | outBuff.size = outBuff.pos + adjustedDstSize; |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 814 | CHECK_Z( ZSTD_flushStream(zc, &outBuff) ); |
| 815 | } } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 816 | |
| 817 | /* final frame epilogue */ |
| 818 | { size_t remainingToFlush = (size_t)(-1); |
| 819 | while (remainingToFlush) { |
| 820 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 821 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 822 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 823 | remainingToFlush = ZSTD_endStream(zc, &outBuff); |
Yann Collet | 009d604 | 2017-05-19 10:17:59 -0700 | [diff] [blame] | 824 | CHECK (ZSTD_isError(remainingToFlush), "end error : %s", ZSTD_getErrorName(remainingToFlush)); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 825 | } } |
| 826 | crcOrig = XXH64_digest(&xxhState); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 827 | cSize = outBuff.pos; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | /* multi - fragments decompression test */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 831 | 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] | 832 | CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed"); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 833 | } else { |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 834 | ZSTD_initDStream_usingDict(zd, dict, dictSize); |
Yann Collet | 9ffbeea | 2016-12-02 18:37:38 -0800 | [diff] [blame] | 835 | } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 836 | { size_t decompressionResult = 1; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 837 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 838 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 839 | for (totalGenSize = 0 ; decompressionResult ; ) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 840 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 841 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 842 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 843 | inBuff.size = inBuff.pos + readCSrcSize; |
| 844 | outBuff.size = inBuff.pos + dstBuffSize; |
| 845 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 846 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 847 | } |
| 848 | CHECK (decompressionResult != 0, "frame not fully decoded"); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 849 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size") |
| 850 | CHECK (inBuff.pos != cSize, "compressed data should be fully read") |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 851 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
| 852 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); |
| 853 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); |
| 854 | } } |
| 855 | |
| 856 | /*===== noisy/erroneous src decompression test =====*/ |
| 857 | |
| 858 | /* add some noise */ |
| 859 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; |
| 860 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { |
| 861 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 862 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); |
| 863 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); |
| 864 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); |
| 865 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); |
| 866 | } } |
| 867 | |
| 868 | /* try decompression on noisy data */ |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 869 | ZSTD_initDStream(zd_noise); /* note : no dictionary */ |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 870 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 871 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 872 | while (outBuff.pos < dstBufferSize) { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 873 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 874 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 875 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 876 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 877 | outBuff.size = outBuff.pos + adjustedDstSize; |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 878 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
Yann Collet | 53e17fb | 2016-08-17 01:39:22 +0200 | [diff] [blame] | 879 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 880 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ |
Yann Collet | 64bf8ff | 2017-01-27 17:25:07 -0800 | [diff] [blame] | 881 | /* No forward progress possible */ |
| 882 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 883 | } } } } |
| 884 | DISPLAY("\r%u fuzzer tests completed \n", testNb); |
| 885 | |
| 886 | _cleanup: |
| 887 | ZSTD_freeCStream(zc); |
| 888 | ZSTD_freeDStream(zd); |
Yann Collet | 58d5dfe | 2016-09-25 01:34:03 +0200 | [diff] [blame] | 889 | ZSTD_freeDStream(zd_noise); |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 890 | free(cNoiseBuffer[0]); |
| 891 | free(cNoiseBuffer[1]); |
| 892 | free(cNoiseBuffer[2]); |
| 893 | free(cNoiseBuffer[3]); |
| 894 | free(cNoiseBuffer[4]); |
| 895 | free(copyBuffer); |
| 896 | free(cBuffer); |
| 897 | free(dstBuffer); |
| 898 | return result; |
| 899 | |
| 900 | _output_error: |
| 901 | result = 1; |
| 902 | goto _cleanup; |
| 903 | } |
| 904 | |
| 905 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 906 | /* Multi-threading version of fuzzer Tests */ |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 907 | 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] | 908 | { |
| 909 | static const U32 maxSrcLog = 24; |
| 910 | static const U32 maxSampleLog = 19; |
| 911 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; |
| 912 | BYTE* cNoiseBuffer[5]; |
| 913 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); |
| 914 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
| 915 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
| 916 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
| 917 | size_t const dstBufferSize = srcBufferSize; |
| 918 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); |
| 919 | U32 result = 0; |
| 920 | U32 testNb = 0; |
| 921 | U32 coreSeed = seed; |
| 922 | ZSTDMT_CCtx* zc = ZSTDMT_createCCtx(2); /* will be reset sometimes */ |
| 923 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ |
| 924 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
| 925 | clock_t const startClock = clock(); |
| 926 | const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */ |
| 927 | size_t dictSize = 0; |
| 928 | U32 oldTestLog = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 929 | int const cLevelLimiter = bigTests ? 3 : 2; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 930 | |
| 931 | /* allocations */ |
| 932 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); |
| 933 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); |
| 934 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); |
| 935 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); |
| 936 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); |
| 937 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || |
| 938 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , |
| 939 | "Not enough memory, fuzzer tests cancelled"); |
| 940 | |
| 941 | /* Create initial samples */ |
| 942 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ |
| 943 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ |
| 944 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); |
| 945 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ |
| 946 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ |
| 947 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ |
| 948 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 949 | |
| 950 | /* catch up testNb */ |
| 951 | for (testNb=1; testNb < startTest; testNb++) |
| 952 | FUZ_rand(&coreSeed); |
| 953 | |
| 954 | /* test loop */ |
| 955 | for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) { |
| 956 | U32 lseed; |
| 957 | const BYTE* srcBuffer; |
| 958 | size_t totalTestSize, totalGenSize, cSize; |
| 959 | XXH64_state_t xxhState; |
| 960 | U64 crcOrig; |
| 961 | U32 resetAllowed = 1; |
| 962 | size_t maxTestSize; |
| 963 | |
| 964 | /* init */ |
| 965 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } |
| 966 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } |
| 967 | FUZ_rand(&coreSeed); |
Yann Collet | d7e3cb5 | 2017-01-20 16:44:50 -0800 | [diff] [blame] | 968 | lseed = coreSeed ^ prime32; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 969 | |
| 970 | /* states full reset (deliberately not synchronized) */ |
| 971 | /* some issues can only happen when reusing states */ |
| 972 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { |
| 973 | U32 const nbThreads = (FUZ_rand(&lseed) % 6) + 1; |
Yann Collet | 30c7698 | 2017-03-31 18:27:03 -0700 | [diff] [blame] | 974 | DISPLAYLEVEL(5, "Creating new context with %u threads \n", nbThreads); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 975 | ZSTDMT_freeCCtx(zc); |
| 976 | zc = ZSTDMT_createCCtx(nbThreads); |
| 977 | resetAllowed=0; |
| 978 | } |
| 979 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { |
| 980 | ZSTD_freeDStream(zd); |
| 981 | zd = ZSTD_createDStream(); |
| 982 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 983 | } |
| 984 | |
| 985 | /* srcBuffer selection [0-4] */ |
| 986 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; |
| 987 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ |
| 988 | else { |
| 989 | buffNb >>= 3; |
| 990 | if (buffNb & 7) { |
| 991 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ |
| 992 | buffNb = tnb[buffNb >> 3]; |
| 993 | } else { |
| 994 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ |
| 995 | buffNb = tnb[buffNb >> 3]; |
| 996 | } } |
| 997 | srcBuffer = cNoiseBuffer[buffNb]; |
| 998 | } |
| 999 | |
| 1000 | /* compression init */ |
| 1001 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ |
| 1002 | && oldTestLog /* at least one test happened */ && resetAllowed) { |
| 1003 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
| 1004 | if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1; |
| 1005 | { int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1; |
| 1006 | size_t const resetError = ZSTDMT_initCStream(zc, compressionLevel); |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1007 | CHECK(ZSTD_isError(resetError), "ZSTDMT_initCStream error : %s", ZSTD_getErrorName(resetError)); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1008 | } |
| 1009 | } else { |
| 1010 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 1011 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1012 | U32 const cLevel = (FUZ_rand(&lseed) % |
Yann Collet | 8c910d2 | 2017-06-03 01:15:02 -0700 | [diff] [blame] | 1013 | (ZSTD_maxCLevel() - |
| 1014 | (MAX(testLog, dictLog) / cLevelLimiter))) + |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1015 | 1; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1016 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
| 1017 | oldTestLog = testLog; |
| 1018 | /* random dictionary selection */ |
Sean Purcell | f5e5051 | 2017-03-15 15:04:54 -0700 | [diff] [blame] | 1019 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1020 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
| 1021 | dict = srcBuffer + dictStart; |
| 1022 | } |
| 1023 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
| 1024 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 1025 | DISPLAYLEVEL(5, "Init with windowLog = %u and pledgedSrcSize = %u \n", |
| 1026 | params.cParams.windowLog, (U32)pledgedSrcSize); |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1027 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; |
| 1028 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 1029 | params.fParams.contentSizeFlag = pledgedSrcSize>0; |
Yann Collet | 2c5514c | 2017-04-18 22:52:41 -0700 | [diff] [blame] | 1030 | DISPLAYLEVEL(5, "checksumFlag : %u \n", params.fParams.checksumFlag); |
Yann Collet | cd23dd2 | 2017-01-30 12:46:35 -0800 | [diff] [blame] | 1031 | { size_t const initError = ZSTDMT_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize); |
| 1032 | CHECK (ZSTD_isError(initError),"ZSTDMT_initCStream_advanced error : %s", ZSTD_getErrorName(initError)); } |
| 1033 | ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_overlapSectionLog, FUZ_rand(&lseed) % 12); |
Yann Collet | 92c98a5 | 2017-01-30 12:50:31 -0800 | [diff] [blame] | 1034 | ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_sectionSize, FUZ_rand(&lseed) % (2*maxTestSize+1)); |
Yann Collet | cd23dd2 | 2017-01-30 12:46:35 -0800 | [diff] [blame] | 1035 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1036 | |
| 1037 | /* multi-segments compression test */ |
| 1038 | XXH64_reset(&xxhState, 0); |
| 1039 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; |
| 1040 | U32 n; |
| 1041 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { |
| 1042 | /* compress random chunks into randomly sized dst buffers */ |
| 1043 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1044 | size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize); |
| 1045 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
| 1046 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1047 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); |
| 1048 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; |
| 1049 | outBuff.size = outBuff.pos + dstBuffSize; |
| 1050 | |
| 1051 | DISPLAYLEVEL(5, "Sending %u bytes to compress \n", (U32)srcSize); |
| 1052 | { size_t const compressionError = ZSTDMT_compressStream(zc, &outBuff, &inBuff); |
| 1053 | CHECK (ZSTD_isError(compressionError), "compression error : %s", ZSTD_getErrorName(compressionError)); } |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1054 | DISPLAYLEVEL(5, "%u bytes read by ZSTDMT_compressStream \n", (U32)inBuff.pos); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1055 | |
| 1056 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); |
| 1057 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); |
| 1058 | totalTestSize += inBuff.pos; |
| 1059 | } |
| 1060 | |
| 1061 | /* random flush operation, to mess around */ |
| 1062 | if ((FUZ_rand(&lseed) & 15) == 0) { |
| 1063 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1064 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 1065 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 1066 | DISPLAYLEVEL(5, "Flushing into dst buffer of size %u \n", (U32)adjustedDstSize); |
| 1067 | { size_t const flushError = ZSTDMT_flushStream(zc, &outBuff); |
Yann Collet | 30c7698 | 2017-03-31 18:27:03 -0700 | [diff] [blame] | 1068 | CHECK (ZSTD_isError(flushError), "ZSTDMT_flushStream error : %s", ZSTD_getErrorName(flushError)); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1069 | } } } |
| 1070 | |
| 1071 | /* final frame epilogue */ |
| 1072 | { size_t remainingToFlush = (size_t)(-1); |
| 1073 | while (remainingToFlush) { |
| 1074 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1075 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 1076 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 1077 | DISPLAYLEVEL(5, "Ending into dst buffer of size %u \n", (U32)adjustedDstSize); |
| 1078 | remainingToFlush = ZSTDMT_endStream(zc, &outBuff); |
Yann Collet | 30c7698 | 2017-03-31 18:27:03 -0700 | [diff] [blame] | 1079 | CHECK (ZSTD_isError(remainingToFlush), "ZSTDMT_endStream error : %s", ZSTD_getErrorName(remainingToFlush)); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1080 | DISPLAYLEVEL(5, "endStream : remainingToFlush : %u \n", (U32)remainingToFlush); |
| 1081 | } } |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1082 | crcOrig = XXH64_digest(&xxhState); |
| 1083 | cSize = outBuff.pos; |
Yann Collet | 2c5514c | 2017-04-18 22:52:41 -0700 | [diff] [blame] | 1084 | DISPLAYLEVEL(5, "Frame completed : %u bytes \n", (U32)cSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | /* multi - fragments decompression test */ |
| 1088 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { |
| 1089 | CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed"); |
| 1090 | } else { |
| 1091 | ZSTD_initDStream_usingDict(zd, dict, dictSize); |
| 1092 | } |
| 1093 | { size_t decompressionResult = 1; |
| 1094 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 1095 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 1096 | for (totalGenSize = 0 ; decompressionResult ; ) { |
| 1097 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1098 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1099 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); |
| 1100 | inBuff.size = inBuff.pos + readCSrcSize; |
| 1101 | outBuff.size = inBuff.pos + dstBuffSize; |
Yann Collet | ce80098 | 2017-04-05 16:34:09 -0700 | [diff] [blame] | 1102 | DISPLAYLEVEL(5, "ZSTD_decompressStream input %u bytes \n", (U32)readCSrcSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1103 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 1104 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
Yann Collet | 2c5514c | 2017-04-18 22:52:41 -0700 | [diff] [blame] | 1105 | DISPLAYLEVEL(5, "inBuff.pos = %u \n", (U32)readCSrcSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1106 | } |
Yann Collet | bb00274 | 2017-01-25 16:25:38 -0800 | [diff] [blame] | 1107 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size (%u != %u)", (U32)outBuff.pos, (U32)totalTestSize); |
| 1108 | 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] | 1109 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
| 1110 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); |
| 1111 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); |
| 1112 | } } |
| 1113 | |
| 1114 | /*===== noisy/erroneous src decompression test =====*/ |
| 1115 | |
| 1116 | /* add some noise */ |
| 1117 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; |
| 1118 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { |
| 1119 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1120 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); |
| 1121 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); |
| 1122 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); |
| 1123 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); |
| 1124 | } } |
| 1125 | |
| 1126 | /* try decompression on noisy data */ |
| 1127 | ZSTD_initDStream(zd_noise); /* note : no dictionary */ |
| 1128 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 1129 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 1130 | while (outBuff.pos < dstBufferSize) { |
| 1131 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1132 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1133 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1134 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1135 | outBuff.size = outBuff.pos + adjustedDstSize; |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1136 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1137 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 1138 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ |
Nick Terrell | d98bf49 | 2017-01-27 15:42:36 -0800 | [diff] [blame] | 1139 | /* No forward progress possible */ |
| 1140 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1141 | } } } } |
| 1142 | DISPLAY("\r%u fuzzer tests completed \n", testNb); |
| 1143 | |
| 1144 | _cleanup: |
| 1145 | ZSTDMT_freeCCtx(zc); |
| 1146 | ZSTD_freeDStream(zd); |
| 1147 | ZSTD_freeDStream(zd_noise); |
| 1148 | free(cNoiseBuffer[0]); |
| 1149 | free(cNoiseBuffer[1]); |
| 1150 | free(cNoiseBuffer[2]); |
| 1151 | free(cNoiseBuffer[3]); |
| 1152 | free(cNoiseBuffer[4]); |
| 1153 | free(copyBuffer); |
| 1154 | free(cBuffer); |
| 1155 | free(dstBuffer); |
| 1156 | return result; |
| 1157 | |
| 1158 | _output_error: |
| 1159 | result = 1; |
| 1160 | goto _cleanup; |
| 1161 | } |
| 1162 | |
| 1163 | |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1164 | /* Tests for ZSTD_compress_generic() API */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1165 | static int fuzzerTests_newAPI(U32 seed, U32 nbTests, unsigned startTest, double compressibility, int bigTests) |
| 1166 | { |
| 1167 | static const U32 maxSrcLog = 24; |
| 1168 | static const U32 maxSampleLog = 19; |
| 1169 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; |
| 1170 | BYTE* cNoiseBuffer[5]; |
| 1171 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); |
| 1172 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
| 1173 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
| 1174 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
| 1175 | size_t const dstBufferSize = srcBufferSize; |
| 1176 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); |
| 1177 | U32 result = 0; |
| 1178 | U32 testNb = 0; |
| 1179 | U32 coreSeed = seed; |
| 1180 | ZSTD_CCtx* zc = ZSTD_createCCtx(); /* will be reset sometimes */ |
| 1181 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ |
| 1182 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
| 1183 | clock_t const startClock = clock(); |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1184 | const BYTE* dict = NULL; /* can keep same dict on 2 consecutive tests */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1185 | size_t dictSize = 0; |
| 1186 | U32 oldTestLog = 0; |
| 1187 | int const cLevelLimiter = bigTests ? 3 : 2; |
| 1188 | |
| 1189 | /* allocations */ |
| 1190 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); |
| 1191 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); |
| 1192 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); |
| 1193 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); |
| 1194 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); |
| 1195 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || |
| 1196 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , |
| 1197 | "Not enough memory, fuzzer tests cancelled"); |
| 1198 | |
| 1199 | /* Create initial samples */ |
| 1200 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ |
| 1201 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ |
| 1202 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); |
| 1203 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ |
| 1204 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ |
| 1205 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ |
Yann Collet | 8dee0ec | 2017-06-18 23:25:15 -0700 | [diff] [blame] | 1206 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1207 | |
| 1208 | /* catch up testNb */ |
| 1209 | for (testNb=1; testNb < startTest; testNb++) |
| 1210 | FUZ_rand(&coreSeed); |
| 1211 | |
| 1212 | /* test loop */ |
| 1213 | for ( ; (testNb <= nbTests) || (FUZ_GetClockSpan(startClock) < g_clockTime) ; testNb++ ) { |
| 1214 | U32 lseed; |
| 1215 | const BYTE* srcBuffer; |
| 1216 | size_t totalTestSize, totalGenSize, cSize; |
| 1217 | XXH64_state_t xxhState; |
| 1218 | U64 crcOrig; |
| 1219 | U32 resetAllowed = 1; |
| 1220 | size_t maxTestSize; |
| 1221 | |
| 1222 | /* init */ |
| 1223 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } |
| 1224 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } |
| 1225 | FUZ_rand(&coreSeed); |
| 1226 | lseed = coreSeed ^ prime32; |
| 1227 | |
| 1228 | /* states full reset (deliberately not synchronized) */ |
| 1229 | /* some issues can only happen when reusing states */ |
| 1230 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { |
| 1231 | DISPLAYLEVEL(5, "Creating new context \n"); |
| 1232 | ZSTD_freeCCtx(zc); |
| 1233 | zc = ZSTD_createCCtx(); |
| 1234 | CHECK(zc==NULL, "allocation error"); |
| 1235 | resetAllowed=0; |
| 1236 | } |
| 1237 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { |
| 1238 | ZSTD_freeDStream(zd); |
| 1239 | zd = ZSTD_createDStream(); |
| 1240 | CHECK(zd==NULL, "allocation error"); |
| 1241 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
| 1242 | } |
| 1243 | |
| 1244 | /* srcBuffer selection [0-4] */ |
| 1245 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; |
| 1246 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ |
| 1247 | else { |
| 1248 | buffNb >>= 3; |
| 1249 | if (buffNb & 7) { |
| 1250 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ |
| 1251 | buffNb = tnb[buffNb >> 3]; |
| 1252 | } else { |
| 1253 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ |
| 1254 | buffNb = tnb[buffNb >> 3]; |
| 1255 | } } |
| 1256 | srcBuffer = cNoiseBuffer[buffNb]; |
| 1257 | } |
| 1258 | |
| 1259 | /* compression init */ |
| 1260 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ |
| 1261 | && oldTestLog /* at least one test happened */ && resetAllowed) { |
| 1262 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
| 1263 | if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1; |
| 1264 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, NULL, 0) ); |
| 1265 | { int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1; |
| 1266 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_compressionLevel, compressionLevel) ); |
| 1267 | } |
| 1268 | } else { |
| 1269 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
| 1270 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
| 1271 | U32 const cLevel = (FUZ_rand(&lseed) % |
| 1272 | (ZSTD_maxCLevel() - |
| 1273 | (MAX(testLog, dictLog) / cLevelLimiter))) + |
| 1274 | 1; |
| 1275 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
| 1276 | oldTestLog = testLog; |
| 1277 | /* random dictionary selection */ |
| 1278 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
| 1279 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
| 1280 | dict = srcBuffer + dictStart; |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1281 | if (!dictSize) dict=NULL; |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1282 | } |
| 1283 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? ZSTD_CONTENTSIZE_UNKNOWN : maxTestSize; |
| 1284 | ZSTD_compressionParameters cParams = ZSTD_getCParams(cLevel, pledgedSrcSize, dictSize); |
| 1285 | |
| 1286 | /* mess with compression parameters */ |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1287 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, NULL, 0) ); /* always cancel previous dict, to make user it's possible to pass compression parameters */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1288 | cParams.windowLog += (FUZ_rand(&lseed) & 3) - 1; |
| 1289 | cParams.hashLog += (FUZ_rand(&lseed) & 3) - 1; |
| 1290 | cParams.chainLog += (FUZ_rand(&lseed) & 3) - 1; |
| 1291 | cParams.searchLog += (FUZ_rand(&lseed) & 3) - 1; |
| 1292 | cParams.searchLength += (FUZ_rand(&lseed) & 3) - 1; |
Yann Collet | f5deae8 | 2017-06-18 23:41:38 -0700 | [diff] [blame] | 1293 | cParams.targetLength = (U32)(cParams.targetLength * (0.5 + ((double)(FUZ_rand(&lseed) & 127) / 128))); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1294 | cParams = ZSTD_adjustCParams(cParams, 0, 0); |
| 1295 | |
Yann Collet | 8dee0ec | 2017-06-18 23:25:15 -0700 | [diff] [blame] | 1296 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_windowLog, cParams.windowLog) ); |
| 1297 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_hashLog, cParams.hashLog) ); |
| 1298 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_chainLog, cParams.chainLog) ); |
| 1299 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_searchLog, cParams.searchLog) ); |
| 1300 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_minMatch, cParams.searchLength) ); |
| 1301 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_targetLength, cParams.targetLength) ); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1302 | |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1303 | /* unconditionally set, to be sync with decoder */ |
| 1304 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, dict, dictSize) ); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1305 | |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1306 | if (dict && dictSize) { |
| 1307 | /* test that compression parameters are correctly rejected after setting a dictionary */ |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1308 | size_t const setError = ZSTD_CCtx_setParameter(zc, ZSTD_p_windowLog, cParams.windowLog-1) ; |
| 1309 | CHECK(!ZSTD_isError(setError), "ZSTD_CCtx_setParameter should have failed"); |
| 1310 | } |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1311 | |
| 1312 | /* mess with frame parameters */ |
Yann Collet | f5deae8 | 2017-06-18 23:41:38 -0700 | [diff] [blame] | 1313 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_checksumFlag, FUZ_rand(&lseed) & 1) ); |
| 1314 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_dictIDFlag, FUZ_rand(&lseed) & 1) ); |
| 1315 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_contentSizeFlag, FUZ_rand(&lseed) & 1) ); |
| 1316 | if (FUZ_rand(&lseed) & 1) CHECK_Z( ZSTD_CCtx_setPledgedSrcSize(zc, pledgedSrcSize) ); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1317 | DISPLAYLEVEL(5, "pledgedSrcSize : %u \n", (U32)pledgedSrcSize); |
| 1318 | |
| 1319 | /* multi-threading parameters */ |
| 1320 | { U32 const nbThreads = (FUZ_rand(&lseed) & 3) + 1; |
| 1321 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_nbThreads, nbThreads) ); |
| 1322 | if (nbThreads > 1) { |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1323 | U32 const jobLog = FUZ_rand(&lseed) % (testLog+1); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1324 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_overlapSizeLog, FUZ_rand(&lseed) % 10) ); |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1325 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_p_jobSize, (U32)FUZ_rLogLength(&lseed, jobLog)) ); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1326 | } } } } |
| 1327 | |
| 1328 | /* multi-segments compression test */ |
| 1329 | XXH64_reset(&xxhState, 0); |
| 1330 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; |
| 1331 | U32 n; |
| 1332 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { |
| 1333 | /* compress random chunks into randomly sized dst buffers */ |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1334 | size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1335 | size_t const srcSize = MIN(maxTestSize-totalTestSize, randomSrcSize); |
| 1336 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
| 1337 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1338 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); |
| 1339 | ZSTD_EndDirective const flush = (FUZ_rand(&lseed) & 15) ? ZSTD_e_continue : ZSTD_e_flush; |
| 1340 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; |
| 1341 | outBuff.size = outBuff.pos + dstBuffSize; |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1342 | |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1343 | CHECK_Z( ZSTD_compress_generic(zc, &outBuff, &inBuff, flush) ); |
| 1344 | DISPLAYLEVEL(5, "compress consumed %u bytes (total : %u) \n", |
| 1345 | (U32)inBuff.pos, (U32)(totalTestSize + inBuff.pos)); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1346 | |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1347 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); |
| 1348 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); |
| 1349 | totalTestSize += inBuff.pos; |
| 1350 | } |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1351 | |
| 1352 | /* final frame epilogue */ |
| 1353 | { size_t remainingToFlush = (size_t)(-1); |
| 1354 | while (remainingToFlush) { |
| 1355 | ZSTD_inBuffer inBuff = { NULL, 0, 0 }; |
| 1356 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1357 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); |
| 1358 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 1359 | DISPLAYLEVEL(5, "End-flush into dst buffer of size %u \n", (U32)adjustedDstSize); |
| 1360 | remainingToFlush = ZSTD_compress_generic(zc, &outBuff, &inBuff, ZSTD_e_end); |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1361 | CHECK(ZSTD_isError(remainingToFlush), |
| 1362 | "ZSTD_compress_generic w/ ZSTD_e_end error : %s", |
| 1363 | ZSTD_getErrorName(remainingToFlush) ); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1364 | } } |
| 1365 | crcOrig = XXH64_digest(&xxhState); |
| 1366 | cSize = outBuff.pos; |
| 1367 | DISPLAYLEVEL(5, "Frame completed : %u bytes \n", (U32)cSize); |
| 1368 | } |
| 1369 | |
| 1370 | /* multi - fragments decompression test */ |
| 1371 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { |
| 1372 | CHECK (ZSTD_isError(ZSTD_resetDStream(zd)), "ZSTD_resetDStream failed"); |
| 1373 | } else { |
| 1374 | ZSTD_initDStream_usingDict(zd, dict, dictSize); |
| 1375 | } |
| 1376 | { size_t decompressionResult = 1; |
| 1377 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 1378 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 1379 | for (totalGenSize = 0 ; decompressionResult ; ) { |
| 1380 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1381 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1382 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); |
| 1383 | inBuff.size = inBuff.pos + readCSrcSize; |
| 1384 | outBuff.size = inBuff.pos + dstBuffSize; |
| 1385 | DISPLAYLEVEL(5, "ZSTD_decompressStream input %u bytes \n", (U32)readCSrcSize); |
| 1386 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 1387 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
| 1388 | DISPLAYLEVEL(5, "inBuff.pos = %u \n", (U32)readCSrcSize); |
| 1389 | } |
| 1390 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size (%u != %u)", (U32)outBuff.pos, (U32)totalTestSize); |
| 1391 | CHECK (inBuff.pos != cSize, "compressed data should be fully read (%u != %u)", (U32)inBuff.pos, (U32)cSize); |
| 1392 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
| 1393 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); |
| 1394 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); |
| 1395 | } } |
| 1396 | |
| 1397 | /*===== noisy/erroneous src decompression test =====*/ |
| 1398 | |
| 1399 | /* add some noise */ |
| 1400 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; |
| 1401 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { |
| 1402 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1403 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); |
| 1404 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); |
| 1405 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); |
| 1406 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); |
| 1407 | } } |
| 1408 | |
| 1409 | /* try decompression on noisy data */ |
| 1410 | ZSTD_initDStream(zd_noise); /* note : no dictionary */ |
| 1411 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
| 1412 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; |
| 1413 | while (outBuff.pos < dstBufferSize) { |
| 1414 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1415 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); |
| 1416 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); |
| 1417 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
| 1418 | outBuff.size = outBuff.pos + adjustedDstSize; |
| 1419 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
| 1420 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
| 1421 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ |
Yann Collet | ed1d039 | 2017-06-19 11:07:33 -0700 | [diff] [blame] | 1422 | /* Good so far, but no more progress possible */ |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1423 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; |
| 1424 | } } } } |
Yann Collet | 8dee0ec | 2017-06-18 23:25:15 -0700 | [diff] [blame] | 1425 | DISPLAY("\r%u fuzzer tests completed \n", testNb-1); |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1426 | |
| 1427 | _cleanup: |
| 1428 | ZSTD_freeCCtx(zc); |
| 1429 | ZSTD_freeDStream(zd); |
| 1430 | ZSTD_freeDStream(zd_noise); |
| 1431 | free(cNoiseBuffer[0]); |
| 1432 | free(cNoiseBuffer[1]); |
| 1433 | free(cNoiseBuffer[2]); |
| 1434 | free(cNoiseBuffer[3]); |
| 1435 | free(cNoiseBuffer[4]); |
| 1436 | free(copyBuffer); |
| 1437 | free(cBuffer); |
| 1438 | free(dstBuffer); |
| 1439 | return result; |
| 1440 | |
| 1441 | _output_error: |
| 1442 | result = 1; |
| 1443 | goto _cleanup; |
| 1444 | } |
| 1445 | |
| 1446 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1447 | /*-******************************************************* |
| 1448 | * Command line |
| 1449 | *********************************************************/ |
| 1450 | int FUZ_usage(const char* programName) |
| 1451 | { |
| 1452 | DISPLAY( "Usage :\n"); |
| 1453 | DISPLAY( " %s [args]\n", programName); |
| 1454 | DISPLAY( "\n"); |
| 1455 | DISPLAY( "Arguments :\n"); |
| 1456 | DISPLAY( " -i# : Nb of tests (default:%u) \n", nbTestsDefault); |
| 1457 | DISPLAY( " -s# : Select seed (default:prompt user)\n"); |
| 1458 | DISPLAY( " -t# : Select starting test number (default:0)\n"); |
| 1459 | DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_COMPRESSIBILITY_DEFAULT); |
| 1460 | DISPLAY( " -v : verbose\n"); |
| 1461 | DISPLAY( " -p : pause at the end\n"); |
| 1462 | DISPLAY( " -h : display help and exit\n"); |
| 1463 | return 0; |
| 1464 | } |
| 1465 | |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1466 | typedef enum { simple_api, mt_api, advanced_api } e_api; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1467 | |
| 1468 | int main(int argc, const char** argv) |
| 1469 | { |
| 1470 | U32 seed=0; |
| 1471 | int seedset=0; |
| 1472 | int argNb; |
| 1473 | int nbTests = nbTestsDefault; |
| 1474 | int testNb = 0; |
| 1475 | int proba = FUZ_COMPRESSIBILITY_DEFAULT; |
| 1476 | int result=0; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1477 | int mainPause = 0; |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1478 | int bigTests = 1; |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1479 | e_api selected_api = simple_api; |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1480 | const char* const programName = argv[0]; |
Yann Collet | 8dafb1a | 2017-01-25 17:01:13 -0800 | [diff] [blame] | 1481 | ZSTD_customMem const customMem = { allocFunction, freeFunction, NULL }; |
Yann Collet | d7a3bff | 2017-06-19 11:53:01 -0700 | [diff] [blame] | 1482 | ZSTD_customMem const customNULL = ZSTD_defaultCMem; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1483 | |
| 1484 | /* Check command line */ |
| 1485 | for(argNb=1; argNb<argc; argNb++) { |
| 1486 | const char* argument = argv[argNb]; |
| 1487 | if(!argument) continue; /* Protection if argument empty */ |
| 1488 | |
| 1489 | /* Parsing commands. Aggregated commands are allowed */ |
| 1490 | if (argument[0]=='-') { |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1491 | |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1492 | if (!strcmp(argument, "--mt")) { selected_api=mt_api; continue; } |
| 1493 | if (!strcmp(argument, "--newapi")) { selected_api=advanced_api; continue; } |
Sean Purcell | 7ebf2de | 2017-03-20 11:25:00 -0700 | [diff] [blame] | 1494 | if (!strcmp(argument, "--no-big-tests")) { bigTests=0; continue; } |
Yann Collet | 19d670b | 2017-01-19 15:32:07 -0800 | [diff] [blame] | 1495 | |
| 1496 | argument++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1497 | while (*argument!=0) { |
| 1498 | switch(*argument) |
| 1499 | { |
| 1500 | case 'h': |
| 1501 | return FUZ_usage(programName); |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1502 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1503 | case 'v': |
| 1504 | argument++; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1505 | g_displayLevel++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1506 | break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1507 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1508 | case 'q': |
| 1509 | argument++; |
| 1510 | g_displayLevel--; |
| 1511 | break; |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1512 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1513 | case 'p': /* pause at the end */ |
| 1514 | argument++; |
| 1515 | mainPause = 1; |
| 1516 | break; |
| 1517 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1518 | case 'i': /* limit tests by nb of iterations (default) */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1519 | argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1520 | nbTests=0; g_clockTime=0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1521 | while ((*argument>='0') && (*argument<='9')) { |
| 1522 | nbTests *= 10; |
| 1523 | nbTests += *argument - '0'; |
| 1524 | argument++; |
| 1525 | } |
| 1526 | break; |
| 1527 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1528 | case 'T': /* limit tests by time */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1529 | argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1530 | nbTests=0; g_clockTime=0; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1531 | while ((*argument>='0') && (*argument<='9')) { |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1532 | g_clockTime *= 10; |
| 1533 | g_clockTime += *argument - '0'; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1534 | argument++; |
| 1535 | } |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1536 | if (*argument=='m') g_clockTime *=60, argument++; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1537 | if (*argument=='n') argument++; |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1538 | g_clockTime *= CLOCKS_PER_SEC; |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1539 | break; |
| 1540 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1541 | case 's': /* manually select seed */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1542 | argument++; |
| 1543 | seed=0; |
| 1544 | seedset=1; |
| 1545 | while ((*argument>='0') && (*argument<='9')) { |
| 1546 | seed *= 10; |
| 1547 | seed += *argument - '0'; |
| 1548 | argument++; |
| 1549 | } |
| 1550 | break; |
| 1551 | |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1552 | case 't': /* select starting test number */ |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1553 | argument++; |
| 1554 | testNb=0; |
| 1555 | while ((*argument>='0') && (*argument<='9')) { |
| 1556 | testNb *= 10; |
| 1557 | testNb += *argument - '0'; |
| 1558 | argument++; |
| 1559 | } |
| 1560 | break; |
| 1561 | |
| 1562 | case 'P': /* compressibility % */ |
| 1563 | argument++; |
| 1564 | proba=0; |
| 1565 | while ((*argument>='0') && (*argument<='9')) { |
| 1566 | proba *= 10; |
| 1567 | proba += *argument - '0'; |
| 1568 | argument++; |
| 1569 | } |
| 1570 | if (proba<0) proba=0; |
| 1571 | if (proba>100) proba=100; |
| 1572 | break; |
| 1573 | |
| 1574 | default: |
| 1575 | return FUZ_usage(programName); |
| 1576 | } |
| 1577 | } } } /* for(argNb=1; argNb<argc; argNb++) */ |
| 1578 | |
| 1579 | /* Get Seed */ |
Yann Collet | bb85581 | 2016-08-25 19:11:11 +0200 | [diff] [blame] | 1580 | 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] | 1581 | |
Yann Collet | ef9999f | 2016-09-01 16:44:48 -0700 | [diff] [blame] | 1582 | if (!seedset) { |
| 1583 | time_t const t = time(NULL); |
| 1584 | U32 const h = XXH32(&t, sizeof(t), 1); |
| 1585 | seed = h % 10000; |
| 1586 | } |
| 1587 | |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1588 | DISPLAY("Seed = %u\n", seed); |
| 1589 | if (proba!=FUZ_COMPRESSIBILITY_DEFAULT) DISPLAY("Compressibility : %i%%\n", proba); |
| 1590 | |
| 1591 | if (nbTests<=0) nbTests=1; |
| 1592 | |
| 1593 | if (testNb==0) { |
| 1594 | result = basicUnitTests(0, ((double)proba) / 100, customNULL); /* constant seed for predictability */ |
| 1595 | if (!result) { |
Yann Collet | 736788f | 2017-01-19 12:12:50 -0800 | [diff] [blame] | 1596 | DISPLAYLEVEL(3, "Unit tests using customMem :\n") |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1597 | result = basicUnitTests(0, ((double)proba) / 100, customMem); /* use custom memory allocation functions */ |
| 1598 | } } |
| 1599 | |
Yann Collet | 01743a3 | 2017-06-16 17:56:41 -0700 | [diff] [blame] | 1600 | if (!result) { |
| 1601 | switch(selected_api) |
| 1602 | { |
| 1603 | case simple_api : |
| 1604 | result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
| 1605 | break; |
| 1606 | case mt_api : |
| 1607 | result = fuzzerTests_MT(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
| 1608 | break; |
| 1609 | case advanced_api : |
| 1610 | result = fuzzerTests_newAPI(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
| 1611 | break; |
| 1612 | default : |
| 1613 | assert(0); /* impossible */ |
| 1614 | } |
| 1615 | } |
Yann Collet | d7883a2 | 2016-08-12 16:48:02 +0200 | [diff] [blame] | 1616 | |
| 1617 | if (mainPause) { |
| 1618 | int unused; |
| 1619 | DISPLAY("Press Enter \n"); |
| 1620 | unused = getchar(); |
| 1621 | (void)unused; |
| 1622 | } |
| 1623 | return result; |
| 1624 | } |