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11fdf7f2 | 1 | /* |
7c673cae FG |
2 | * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. |
3 | * All rights reserved. | |
4 | * | |
11fdf7f2 TL |
5 | * This source code is licensed under both the BSD-style license (found in the |
6 | * LICENSE file in the root directory of this source tree) and the GPLv2 (found | |
7 | * in the COPYING file in the root directory of this source tree). | |
8 | * You may select, at your option, one of the above-listed licenses. | |
7c673cae FG |
9 | */ |
10 | ||
11 | ||
12 | /*-************************************ | |
9f95a23c TL |
13 | * Compiler specific |
14 | **************************************/ | |
7c673cae | 15 | #ifdef _MSC_VER /* Visual Studio */ |
11fdf7f2 TL |
16 | # define _CRT_SECURE_NO_WARNINGS /* fgets */ |
17 | # pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ | |
18 | # pragma warning(disable : 4146) /* disable: C4146: minus unsigned expression */ | |
7c673cae FG |
19 | #endif |
20 | ||
21 | ||
22 | /*-************************************ | |
9f95a23c TL |
23 | * Includes |
24 | **************************************/ | |
7c673cae FG |
25 | #include <stdlib.h> /* free */ |
26 | #include <stdio.h> /* fgets, sscanf */ | |
7c673cae | 27 | #include <string.h> /* strcmp */ |
11fdf7f2 | 28 | #include <assert.h> /* assert */ |
9f95a23c | 29 | #include "timefn.h" /* UTIL_time_t, UTIL_getTime */ |
7c673cae | 30 | #include "mem.h" |
11fdf7f2 | 31 | #define ZSTD_STATIC_LINKING_ONLY /* ZSTD_maxCLevel, ZSTD_customMem, ZSTD_getDictID_fromFrame */ |
7c673cae FG |
32 | #include "zstd.h" /* ZSTD_compressBound */ |
33 | #include "zstd_errors.h" /* ZSTD_error_srcSize_wrong */ | |
11fdf7f2 TL |
34 | #include "zstdmt_compress.h" |
35 | #include "zdict.h" /* ZDICT_trainFromBuffer */ | |
7c673cae FG |
36 | #include "datagen.h" /* RDG_genBuffer */ |
37 | #define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */ | |
38 | #include "xxhash.h" /* XXH64_* */ | |
9f95a23c TL |
39 | #include "seqgen.h" |
40 | #include "util.h" | |
41 | #include "timefn.h" /* UTIL_time_t, UTIL_clockSpanMicro, UTIL_getTime */ | |
7c673cae FG |
42 | |
43 | ||
44 | /*-************************************ | |
9f95a23c TL |
45 | * Constants |
46 | **************************************/ | |
7c673cae FG |
47 | #define KB *(1U<<10) |
48 | #define MB *(1U<<20) | |
49 | #define GB *(1U<<30) | |
50 | ||
9f95a23c | 51 | static const int nbTestsDefault = 10000; |
11fdf7f2 | 52 | static const U32 g_cLevelMax_smallTests = 10; |
7c673cae FG |
53 | #define COMPRESSIBLE_NOISE_LENGTH (10 MB) |
54 | #define FUZ_COMPRESSIBILITY_DEFAULT 50 | |
11fdf7f2 | 55 | static const U32 prime32 = 2654435761U; |
7c673cae FG |
56 | |
57 | ||
58 | /*-************************************ | |
9f95a23c TL |
59 | * Display Macros |
60 | **************************************/ | |
7c673cae | 61 | #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) |
11fdf7f2 TL |
62 | #define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { \ |
63 | DISPLAY(__VA_ARGS__); \ | |
64 | if (g_displayLevel>=4) fflush(stderr); } | |
7c673cae FG |
65 | static U32 g_displayLevel = 2; |
66 | ||
9f95a23c TL |
67 | static const U64 g_refreshRate = SEC_TO_MICRO / 6; |
68 | static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER; | |
69 | ||
7c673cae | 70 | #define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ |
9f95a23c TL |
71 | if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \ |
72 | { g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \ | |
73 | if (g_displayLevel>=4) fflush(stderr); } } | |
7c673cae | 74 | |
9f95a23c | 75 | static U64 g_clockTime = 0; |
7c673cae FG |
76 | |
77 | ||
78 | /*-******************************************************* | |
9f95a23c TL |
79 | * Check macros |
80 | *********************************************************/ | |
81 | #undef MIN | |
82 | #undef MAX | |
83 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
7c673cae | 84 | #define MAX(a,b) ((a)>(b)?(a):(b)) |
7c673cae FG |
85 | /*! FUZ_rand() : |
86 | @return : a 27 bits random value, from a 32-bits `seed`. | |
87 | `seed` is also modified */ | |
88 | #define FUZ_rotl32(x,r) ((x << r) | (x >> (32 - r))) | |
9f95a23c | 89 | static U32 FUZ_rand(U32* seedPtr) |
7c673cae | 90 | { |
11fdf7f2 | 91 | static const U32 prime2 = 2246822519U; |
7c673cae | 92 | U32 rand32 = *seedPtr; |
11fdf7f2 | 93 | rand32 *= prime32; |
7c673cae FG |
94 | rand32 += prime2; |
95 | rand32 = FUZ_rotl32(rand32, 13); | |
96 | *seedPtr = rand32; | |
97 | return rand32 >> 5; | |
98 | } | |
99 | ||
9f95a23c TL |
100 | #define CHECK(cond, ...) { \ |
101 | if (cond) { \ | |
102 | DISPLAY("Error => "); \ | |
103 | DISPLAY(__VA_ARGS__); \ | |
104 | DISPLAY(" (seed %u, test nb %u, line %u) \n", \ | |
105 | (unsigned)seed, testNb, __LINE__); \ | |
106 | goto _output_error; \ | |
107 | } } | |
108 | ||
11fdf7f2 TL |
109 | #define CHECK_Z(f) { \ |
110 | size_t const err = f; \ | |
9f95a23c TL |
111 | CHECK(ZSTD_isError(err), "%s : %s ", \ |
112 | #f, ZSTD_getErrorName(err)); \ | |
113 | } | |
114 | ||
115 | #define CHECK_RET(ret, cond, ...) { \ | |
116 | if (cond) { \ | |
117 | DISPLAY("Error %llu => ", (unsigned long long)ret); \ | |
118 | DISPLAY(__VA_ARGS__); \ | |
119 | DISPLAY(" (line %u)\n", __LINE__); \ | |
120 | return ret; \ | |
11fdf7f2 TL |
121 | } } |
122 | ||
9f95a23c TL |
123 | #define CHECK_RET_Z(f) { \ |
124 | size_t const err = f; \ | |
125 | CHECK_RET(err, ZSTD_isError(err), "%s : %s ", \ | |
126 | #f, ZSTD_getErrorName(err)); \ | |
127 | } | |
128 | ||
11fdf7f2 TL |
129 | |
130 | /*====================================================== | |
9f95a23c TL |
131 | * Basic Unit tests |
132 | *======================================================*/ | |
11fdf7f2 TL |
133 | |
134 | typedef struct { | |
135 | void* start; | |
136 | size_t size; | |
137 | size_t filled; | |
138 | } buffer_t; | |
139 | ||
9f95a23c TL |
140 | static const buffer_t kBuffNull = { NULL, 0 , 0 }; |
141 | ||
142 | static void FUZ_freeDictionary(buffer_t dict) | |
143 | { | |
144 | free(dict.start); | |
145 | } | |
11fdf7f2 TL |
146 | |
147 | static buffer_t FUZ_createDictionary(const void* src, size_t srcSize, size_t blockSize, size_t requestedDictSize) | |
7c673cae | 148 | { |
9f95a23c | 149 | buffer_t dict = kBuffNull; |
11fdf7f2 | 150 | size_t const nbBlocks = (srcSize + (blockSize-1)) / blockSize; |
9f95a23c TL |
151 | size_t* const blockSizes = (size_t*)malloc(nbBlocks * sizeof(size_t)); |
152 | if (!blockSizes) return kBuffNull; | |
11fdf7f2 | 153 | dict.start = malloc(requestedDictSize); |
9f95a23c | 154 | if (!dict.start) { free(blockSizes); return kBuffNull; } |
11fdf7f2 TL |
155 | { size_t nb; |
156 | for (nb=0; nb<nbBlocks-1; nb++) blockSizes[nb] = blockSize; | |
157 | blockSizes[nbBlocks-1] = srcSize - (blockSize * (nbBlocks-1)); | |
158 | } | |
159 | { size_t const dictSize = ZDICT_trainFromBuffer(dict.start, requestedDictSize, src, blockSizes, (unsigned)nbBlocks); | |
160 | free(blockSizes); | |
9f95a23c | 161 | if (ZDICT_isError(dictSize)) { FUZ_freeDictionary(dict); return kBuffNull; } |
11fdf7f2 TL |
162 | dict.size = requestedDictSize; |
163 | dict.filled = dictSize; | |
9f95a23c | 164 | return dict; |
11fdf7f2 | 165 | } |
7c673cae FG |
166 | } |
167 | ||
9f95a23c TL |
168 | /* Round trips data and updates xxh with the decompressed data produced */ |
169 | static size_t SEQ_roundTrip(ZSTD_CCtx* cctx, ZSTD_DCtx* dctx, | |
170 | XXH64_state_t* xxh, void* data, size_t size, | |
171 | ZSTD_EndDirective endOp) | |
7c673cae | 172 | { |
9f95a23c TL |
173 | static BYTE compressed[1024]; |
174 | static BYTE uncompressed[1024]; | |
175 | ||
176 | ZSTD_inBuffer cin = {data, size, 0}; | |
177 | size_t cret; | |
178 | ||
179 | do { | |
180 | ZSTD_outBuffer cout = { compressed, sizeof(compressed), 0 }; | |
181 | ZSTD_inBuffer din = { compressed, 0, 0 }; | |
182 | ZSTD_outBuffer dout = { uncompressed, 0, 0 }; | |
183 | ||
184 | cret = ZSTD_compressStream2(cctx, &cout, &cin, endOp); | |
185 | if (ZSTD_isError(cret)) | |
186 | return cret; | |
187 | ||
188 | din.size = cout.pos; | |
189 | while (din.pos < din.size || (endOp == ZSTD_e_end && cret == 0)) { | |
190 | size_t dret; | |
191 | ||
192 | dout.pos = 0; | |
193 | dout.size = sizeof(uncompressed); | |
194 | dret = ZSTD_decompressStream(dctx, &dout, &din); | |
195 | if (ZSTD_isError(dret)) | |
196 | return dret; | |
197 | XXH64_update(xxh, dout.dst, dout.pos); | |
198 | if (dret == 0) | |
199 | break; | |
200 | } | |
201 | } while (cin.pos < cin.size || (endOp != ZSTD_e_continue && cret != 0)); | |
202 | return 0; | |
203 | } | |
204 | ||
205 | /* Generates some data and round trips it */ | |
206 | static size_t SEQ_generateRoundTrip(ZSTD_CCtx* cctx, ZSTD_DCtx* dctx, | |
207 | XXH64_state_t* xxh, SEQ_stream* seq, | |
208 | SEQ_gen_type type, unsigned value) | |
209 | { | |
210 | static BYTE data[1024]; | |
211 | size_t gen; | |
212 | ||
213 | do { | |
214 | SEQ_outBuffer sout = {data, sizeof(data), 0}; | |
215 | size_t ret; | |
216 | gen = SEQ_gen(seq, type, value, &sout); | |
217 | ||
218 | ret = SEQ_roundTrip(cctx, dctx, xxh, sout.dst, sout.pos, ZSTD_e_continue); | |
219 | if (ZSTD_isError(ret)) | |
220 | return ret; | |
221 | } while (gen != 0); | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
226 | static size_t getCCtxParams(ZSTD_CCtx* zc, ZSTD_parameters* savedParams) | |
227 | { | |
228 | int value; | |
229 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_windowLog, (int*)&savedParams->cParams.windowLog)); | |
230 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_hashLog, (int*)&savedParams->cParams.hashLog)); | |
231 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_chainLog, (int*)&savedParams->cParams.chainLog)); | |
232 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_searchLog, (int*)&savedParams->cParams.searchLog)); | |
233 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_minMatch, (int*)&savedParams->cParams.minMatch)); | |
234 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_targetLength, (int*)&savedParams->cParams.targetLength)); | |
235 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_strategy, &value)); | |
236 | savedParams->cParams.strategy = value; | |
237 | ||
238 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_checksumFlag, &savedParams->fParams.checksumFlag)); | |
239 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_contentSizeFlag, &savedParams->fParams.contentSizeFlag)); | |
240 | CHECK_RET_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_dictIDFlag, &value)); | |
241 | savedParams->fParams.noDictIDFlag = !value; | |
242 | return 0; | |
7c673cae FG |
243 | } |
244 | ||
9f95a23c TL |
245 | static U32 badParameters(ZSTD_CCtx* zc, ZSTD_parameters const savedParams) |
246 | { | |
247 | ZSTD_parameters params; | |
248 | if (ZSTD_isError(getCCtxParams(zc, ¶ms))) return 10; | |
249 | CHECK_RET(1, params.cParams.windowLog != savedParams.cParams.windowLog, "windowLog"); | |
250 | CHECK_RET(2, params.cParams.hashLog != savedParams.cParams.hashLog, "hashLog"); | |
251 | CHECK_RET(3, params.cParams.chainLog != savedParams.cParams.chainLog, "chainLog"); | |
252 | CHECK_RET(4, params.cParams.searchLog != savedParams.cParams.searchLog, "searchLog"); | |
253 | CHECK_RET(5, params.cParams.minMatch != savedParams.cParams.minMatch, "minMatch"); | |
254 | CHECK_RET(6, params.cParams.targetLength != savedParams.cParams.targetLength, "targetLength"); | |
255 | ||
256 | CHECK_RET(7, params.fParams.checksumFlag != savedParams.fParams.checksumFlag, "checksumFlag"); | |
257 | CHECK_RET(8, params.fParams.contentSizeFlag != savedParams.fParams.contentSizeFlag, "contentSizeFlag"); | |
258 | CHECK_RET(9, params.fParams.noDictIDFlag != savedParams.fParams.noDictIDFlag, "noDictIDFlag"); | |
259 | return 0; | |
260 | } | |
7c673cae | 261 | |
9f95a23c | 262 | static int basicUnitTests(U32 seed, double compressibility) |
7c673cae FG |
263 | { |
264 | size_t const CNBufferSize = COMPRESSIBLE_NOISE_LENGTH; | |
265 | void* CNBuffer = malloc(CNBufferSize); | |
9f95a23c | 266 | size_t const skippableFrameSize = 200 KB; |
7c673cae FG |
267 | size_t const compressedBufferSize = (8 + skippableFrameSize) + ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH); |
268 | void* compressedBuffer = malloc(compressedBufferSize); | |
269 | size_t const decodedBufferSize = CNBufferSize; | |
270 | void* decodedBuffer = malloc(decodedBufferSize); | |
271 | size_t cSize; | |
272 | int testResult = 0; | |
9f95a23c TL |
273 | int testNb = 1; |
274 | U32 coreSeed = 0; /* this name to conform with CHECK_Z macro display */ | |
275 | ZSTD_CStream* zc = ZSTD_createCStream(); | |
276 | ZSTD_DStream* zd = ZSTD_createDStream(); | |
11fdf7f2 TL |
277 | ZSTDMT_CCtx* mtctx = ZSTDMT_createCCtx(2); |
278 | ||
7c673cae FG |
279 | ZSTD_inBuffer inBuff, inBuff2; |
280 | ZSTD_outBuffer outBuff; | |
9f95a23c | 281 | buffer_t dictionary = kBuffNull; |
11fdf7f2 TL |
282 | size_t const dictSize = 128 KB; |
283 | unsigned dictID = 0; | |
7c673cae FG |
284 | |
285 | /* Create compressible test buffer */ | |
286 | if (!CNBuffer || !compressedBuffer || !decodedBuffer || !zc || !zd) { | |
11fdf7f2 | 287 | DISPLAY("Not enough memory, aborting \n"); |
7c673cae FG |
288 | goto _output_error; |
289 | } | |
290 | RDG_genBuffer(CNBuffer, CNBufferSize, compressibility, 0., seed); | |
291 | ||
11fdf7f2 TL |
292 | /* Create dictionary */ |
293 | DISPLAYLEVEL(3, "creating dictionary for unit tests \n"); | |
9f95a23c | 294 | dictionary = FUZ_createDictionary(CNBuffer, CNBufferSize / 3, 16 KB, 48 KB); |
11fdf7f2 TL |
295 | if (!dictionary.start) { |
296 | DISPLAY("Error creating dictionary, aborting \n"); | |
297 | goto _output_error; | |
298 | } | |
299 | dictID = ZDICT_getDictID(dictionary.start, dictionary.filled); | |
300 | ||
9f95a23c TL |
301 | /* Basic compression test */ |
302 | DISPLAYLEVEL(3, "test%3i : compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); | |
303 | CHECK_Z( ZSTD_initCStream(zc, 1 /* cLevel */) ); | |
304 | outBuff.dst = (char*)(compressedBuffer); | |
305 | outBuff.size = compressedBufferSize; | |
306 | outBuff.pos = 0; | |
307 | inBuff.src = CNBuffer; | |
308 | inBuff.size = CNBufferSize; | |
309 | inBuff.pos = 0; | |
310 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); | |
311 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ | |
312 | { size_t const r = ZSTD_endStream(zc, &outBuff); | |
313 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ | |
314 | DISPLAYLEVEL(3, "OK (%u bytes)\n", (unsigned)outBuff.pos); | |
315 | ||
7c673cae FG |
316 | /* generate skippable frame */ |
317 | MEM_writeLE32(compressedBuffer, ZSTD_MAGIC_SKIPPABLE_START); | |
318 | MEM_writeLE32(((char*)compressedBuffer)+4, (U32)skippableFrameSize); | |
319 | cSize = skippableFrameSize + 8; | |
320 | ||
9f95a23c TL |
321 | /* Basic compression test using dict */ |
322 | DISPLAYLEVEL(3, "test%3i : skipframe + compress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); | |
323 | CHECK_Z( ZSTD_initCStream_usingDict(zc, CNBuffer, dictSize, 1 /* cLevel */) ); | |
7c673cae | 324 | outBuff.dst = (char*)(compressedBuffer)+cSize; |
9f95a23c TL |
325 | assert(compressedBufferSize > cSize); |
326 | outBuff.size = compressedBufferSize - cSize; | |
7c673cae FG |
327 | outBuff.pos = 0; |
328 | inBuff.src = CNBuffer; | |
329 | inBuff.size = CNBufferSize; | |
330 | inBuff.pos = 0; | |
11fdf7f2 | 331 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
7c673cae FG |
332 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
333 | { size_t const r = ZSTD_endStream(zc, &outBuff); | |
334 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ | |
335 | cSize += outBuff.pos; | |
9f95a23c TL |
336 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", |
337 | (unsigned)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100); | |
11fdf7f2 TL |
338 | |
339 | /* context size functions */ | |
340 | DISPLAYLEVEL(3, "test%3i : estimate CStream size : ", testNb++); | |
341 | { ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBufferSize, dictSize); | |
342 | size_t const cstreamSize = ZSTD_estimateCStreamSize_usingCParams(cParams); | |
343 | size_t const cdictSize = ZSTD_estimateCDictSize_advanced(dictSize, cParams, ZSTD_dlm_byCopy); /* uses ZSTD_initCStream_usingDict() */ | |
344 | if (ZSTD_isError(cstreamSize)) goto _output_error; | |
345 | if (ZSTD_isError(cdictSize)) goto _output_error; | |
9f95a23c TL |
346 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (unsigned)(cstreamSize + cdictSize)); |
347 | } | |
348 | ||
349 | /* context size functions */ | |
350 | DISPLAYLEVEL(3, "test%3i : estimate CStream size using CCtxParams : ", testNb++); | |
351 | { ZSTD_CCtx_params* const params = ZSTD_createCCtxParams(); | |
352 | size_t cstreamSize, cctxSize; | |
353 | CHECK_Z( ZSTD_CCtxParams_setParameter(params, ZSTD_c_compressionLevel, 19) ); | |
354 | cstreamSize = ZSTD_estimateCStreamSize_usingCCtxParams(params); | |
355 | CHECK_Z(cstreamSize); | |
356 | cctxSize = ZSTD_estimateCCtxSize_usingCCtxParams(params); | |
357 | CHECK_Z(cctxSize); | |
358 | if (cstreamSize <= cctxSize + 2 * ZSTD_BLOCKSIZE_MAX) goto _output_error; | |
359 | ZSTD_freeCCtxParams(params); | |
360 | DISPLAYLEVEL(3, "OK \n"); | |
11fdf7f2 | 361 | } |
7c673cae | 362 | |
11fdf7f2 TL |
363 | DISPLAYLEVEL(3, "test%3i : check actual CStream size : ", testNb++); |
364 | { size_t const s = ZSTD_sizeof_CStream(zc); | |
365 | if (ZSTD_isError(s)) goto _output_error; | |
9f95a23c | 366 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (unsigned)s); |
11fdf7f2 TL |
367 | } |
368 | ||
369 | /* Attempt bad compression parameters */ | |
370 | DISPLAYLEVEL(3, "test%3i : use bad compression parameters : ", testNb++); | |
371 | { size_t r; | |
372 | ZSTD_parameters params = ZSTD_getParams(1, 0, 0); | |
9f95a23c | 373 | params.cParams.minMatch = 2; |
11fdf7f2 TL |
374 | r = ZSTD_initCStream_advanced(zc, NULL, 0, params, 0); |
375 | if (!ZSTD_isError(r)) goto _output_error; | |
376 | DISPLAYLEVEL(3, "init error : %s \n", ZSTD_getErrorName(r)); | |
7c673cae FG |
377 | } |
378 | ||
379 | /* skippable frame test */ | |
11fdf7f2 TL |
380 | DISPLAYLEVEL(3, "test%3i : decompress skippable frame : ", testNb++); |
381 | CHECK_Z( ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize) ); | |
7c673cae FG |
382 | inBuff.src = compressedBuffer; |
383 | inBuff.size = cSize; | |
384 | inBuff.pos = 0; | |
385 | outBuff.dst = decodedBuffer; | |
386 | outBuff.size = CNBufferSize; | |
387 | outBuff.pos = 0; | |
11fdf7f2 | 388 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
9f95a23c | 389 | DISPLAYLEVEL(5, " ( ZSTD_decompressStream => %u ) ", (unsigned)r); |
11fdf7f2 TL |
390 | if (r != 0) goto _output_error; |
391 | } | |
392 | if (outBuff.pos != 0) goto _output_error; /* skippable frame output len is 0 */ | |
393 | DISPLAYLEVEL(3, "OK \n"); | |
7c673cae FG |
394 | |
395 | /* Basic decompression test */ | |
396 | inBuff2 = inBuff; | |
11fdf7f2 TL |
397 | DISPLAYLEVEL(3, "test%3i : decompress %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
398 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); | |
9f95a23c | 399 | CHECK_Z( ZSTD_DCtx_setParameter(zd, ZSTD_d_windowLogMax, ZSTD_WINDOWLOG_LIMIT_DEFAULT+1) ); /* large limit */ |
7c673cae FG |
400 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
401 | if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ | |
402 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ | |
403 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ | |
11fdf7f2 | 404 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae FG |
405 | |
406 | /* Re-use without init */ | |
11fdf7f2 | 407 | DISPLAYLEVEL(3, "test%3i : decompress again without init (re-use previous settings): ", testNb++); |
7c673cae FG |
408 | outBuff.pos = 0; |
409 | { size_t const remaining = ZSTD_decompressStream(zd, &outBuff, &inBuff2); | |
410 | if (remaining != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ | |
411 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ | |
412 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ | |
11fdf7f2 | 413 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae FG |
414 | |
415 | /* check regenerated data is byte exact */ | |
11fdf7f2 | 416 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
7c673cae FG |
417 | { size_t i; |
418 | for (i=0; i<CNBufferSize; i++) { | |
419 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error; | |
420 | } } | |
11fdf7f2 TL |
421 | DISPLAYLEVEL(3, "OK \n"); |
422 | ||
423 | /* context size functions */ | |
424 | DISPLAYLEVEL(3, "test%3i : estimate DStream size : ", testNb++); | |
425 | { ZSTD_frameHeader fhi; | |
426 | const void* cStart = (char*)compressedBuffer + (skippableFrameSize + 8); | |
427 | size_t const gfhError = ZSTD_getFrameHeader(&fhi, cStart, cSize); | |
428 | if (gfhError!=0) goto _output_error; | |
9f95a23c | 429 | DISPLAYLEVEL(5, " (windowSize : %u) ", (unsigned)fhi.windowSize); |
11fdf7f2 TL |
430 | { size_t const s = ZSTD_estimateDStreamSize(fhi.windowSize) |
431 | /* uses ZSTD_initDStream_usingDict() */ | |
432 | + ZSTD_estimateDDictSize(dictSize, ZSTD_dlm_byCopy); | |
433 | if (ZSTD_isError(s)) goto _output_error; | |
9f95a23c | 434 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (unsigned)s); |
11fdf7f2 | 435 | } } |
7c673cae | 436 | |
11fdf7f2 | 437 | DISPLAYLEVEL(3, "test%3i : check actual DStream size : ", testNb++); |
7c673cae FG |
438 | { size_t const s = ZSTD_sizeof_DStream(zd); |
439 | if (ZSTD_isError(s)) goto _output_error; | |
9f95a23c | 440 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (unsigned)s); |
7c673cae FG |
441 | } |
442 | ||
9f95a23c | 443 | /* Decompression by small increment */ |
11fdf7f2 | 444 | DISPLAYLEVEL(3, "test%3i : decompress byte-by-byte : ", testNb++); |
7c673cae FG |
445 | { /* skippable frame */ |
446 | size_t r = 1; | |
11fdf7f2 | 447 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
7c673cae FG |
448 | inBuff.src = compressedBuffer; |
449 | outBuff.dst = decodedBuffer; | |
450 | inBuff.pos = 0; | |
451 | outBuff.pos = 0; | |
452 | while (r) { /* skippable frame */ | |
9f95a23c TL |
453 | size_t const inSize = (FUZ_rand(&coreSeed) & 15) + 1; |
454 | size_t const outSize = (FUZ_rand(&coreSeed) & 15) + 1; | |
455 | inBuff.size = inBuff.pos + inSize; | |
456 | outBuff.size = outBuff.pos + outSize; | |
7c673cae | 457 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
9f95a23c | 458 | if (ZSTD_isError(r)) DISPLAYLEVEL(4, "ZSTD_decompressStream on skippable frame error : %s \n", ZSTD_getErrorName(r)); |
7c673cae FG |
459 | if (ZSTD_isError(r)) goto _output_error; |
460 | } | |
461 | /* normal frame */ | |
11fdf7f2 | 462 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); |
7c673cae FG |
463 | r=1; |
464 | while (r) { | |
9f95a23c TL |
465 | size_t const inSize = FUZ_rand(&coreSeed) & 15; |
466 | size_t const outSize = (FUZ_rand(&coreSeed) & 15) + (!inSize); /* avoid having both sizes at 0 => would trigger a no_forward_progress error */ | |
467 | inBuff.size = inBuff.pos + inSize; | |
468 | outBuff.size = outBuff.pos + outSize; | |
7c673cae | 469 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
9f95a23c | 470 | if (ZSTD_isError(r)) DISPLAYLEVEL(4, "ZSTD_decompressStream error : %s \n", ZSTD_getErrorName(r)); |
7c673cae FG |
471 | if (ZSTD_isError(r)) goto _output_error; |
472 | } | |
473 | } | |
9f95a23c | 474 | if (outBuff.pos != CNBufferSize) DISPLAYLEVEL(4, "outBuff.pos != CNBufferSize : should have regenerated same amount ! \n"); |
7c673cae | 475 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ |
9f95a23c | 476 | if (inBuff.pos != cSize) DISPLAYLEVEL(4, "inBuff.pos != cSize : should have real all input ! \n"); |
7c673cae | 477 | if (inBuff.pos != cSize) goto _output_error; /* should have read the entire frame */ |
11fdf7f2 | 478 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae FG |
479 | |
480 | /* check regenerated data is byte exact */ | |
11fdf7f2 | 481 | DISPLAYLEVEL(3, "test%3i : check decompressed result : ", testNb++); |
7c673cae FG |
482 | { size_t i; |
483 | for (i=0; i<CNBufferSize; i++) { | |
484 | if (((BYTE*)decodedBuffer)[i] != ((BYTE*)CNBuffer)[i]) goto _output_error;; | |
485 | } } | |
11fdf7f2 | 486 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae | 487 | |
9f95a23c TL |
488 | /* Decompression forward progress */ |
489 | DISPLAYLEVEL(3, "test%3i : generate error when ZSTD_decompressStream() doesn't progress : ", testNb++); | |
490 | { /* skippable frame */ | |
491 | size_t r = 0; | |
492 | int decNb = 0; | |
493 | int const maxDec = 100; | |
494 | inBuff.src = compressedBuffer; | |
495 | inBuff.size = cSize; | |
496 | inBuff.pos = 0; | |
497 | ||
498 | outBuff.dst = decodedBuffer; | |
499 | outBuff.pos = 0; | |
500 | outBuff.size = CNBufferSize-1; /* 1 byte missing */ | |
501 | ||
502 | for (decNb=0; decNb<maxDec; decNb++) { | |
503 | if (r==0) ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); | |
504 | r = ZSTD_decompressStream(zd, &outBuff, &inBuff); | |
505 | if (ZSTD_isError(r)) break; | |
506 | } | |
507 | if (!ZSTD_isError(r)) DISPLAYLEVEL(4, "ZSTD_decompressStream should have triggered a no_forward_progress error \n"); | |
508 | if (!ZSTD_isError(r)) goto _output_error; /* should have triggered no_forward_progress error */ | |
509 | } | |
510 | DISPLAYLEVEL(3, "OK \n"); | |
511 | ||
7c673cae | 512 | /* _srcSize compression test */ |
11fdf7f2 | 513 | DISPLAYLEVEL(3, "test%3i : compress_srcSize %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); |
9f95a23c | 514 | CHECK_Z( ZSTD_initCStream_srcSize(zc, 1, CNBufferSize) ); |
11fdf7f2 | 515 | outBuff.dst = (char*)(compressedBuffer); |
7c673cae FG |
516 | outBuff.size = compressedBufferSize; |
517 | outBuff.pos = 0; | |
518 | inBuff.src = CNBuffer; | |
519 | inBuff.size = CNBufferSize; | |
520 | inBuff.pos = 0; | |
11fdf7f2 | 521 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
9f95a23c TL |
522 | CHECK(inBuff.pos != inBuff.size, "Entire input should be consumed"); |
523 | { size_t const r = ZSTD_endStream(zc, &outBuff); | |
524 | CHECK(r != 0, "Error or some data not flushed (ret=%zu)", r); | |
525 | } | |
526 | { unsigned long long origSize = ZSTD_findDecompressedSize(outBuff.dst, outBuff.pos); | |
527 | CHECK(origSize == ZSTD_CONTENTSIZE_UNKNOWN, "Unknown!"); | |
528 | CHECK((size_t)origSize != CNBufferSize, "Exact original size must be present (got %llu)", origSize); | |
529 | } | |
530 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/COMPRESSIBLE_NOISE_LENGTH*100); | |
7c673cae FG |
531 | |
532 | /* wrong _srcSize compression test */ | |
9f95a23c TL |
533 | DISPLAYLEVEL(3, "test%3i : too large srcSize : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1); |
534 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize+1); | |
11fdf7f2 | 535 | outBuff.dst = (char*)(compressedBuffer); |
7c673cae FG |
536 | outBuff.size = compressedBufferSize; |
537 | outBuff.pos = 0; | |
538 | inBuff.src = CNBuffer; | |
539 | inBuff.size = CNBufferSize; | |
540 | inBuff.pos = 0; | |
11fdf7f2 | 541 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
7c673cae FG |
542 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
543 | { size_t const r = ZSTD_endStream(zc, &outBuff); | |
544 | if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; /* must fail : wrong srcSize */ | |
11fdf7f2 | 545 | DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); } |
7c673cae | 546 | |
9f95a23c TL |
547 | /* wrong _srcSize compression test */ |
548 | DISPLAYLEVEL(3, "test%3i : too small srcSize : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1); | |
549 | ZSTD_initCStream_srcSize(zc, 1, CNBufferSize-1); | |
550 | outBuff.dst = (char*)(compressedBuffer); | |
551 | outBuff.size = compressedBufferSize; | |
552 | outBuff.pos = 0; | |
553 | inBuff.src = CNBuffer; | |
554 | inBuff.size = CNBufferSize; | |
555 | inBuff.pos = 0; | |
556 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); | |
557 | if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; /* must fail : wrong srcSize */ | |
558 | DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); | |
559 | } | |
560 | ||
561 | DISPLAYLEVEL(3, "test%3i : wrong srcSize !contentSizeFlag : %u bytes : ", testNb++, COMPRESSIBLE_NOISE_LENGTH-1); | |
562 | { ZSTD_parameters params = ZSTD_getParams(1, CNBufferSize, 0); | |
563 | params.fParams.contentSizeFlag = 0; | |
564 | CHECK_Z(ZSTD_initCStream_advanced(zc, NULL, 0, params, CNBufferSize - MIN(CNBufferSize, 200 KB))); | |
565 | outBuff.dst = (char*)compressedBuffer; | |
566 | outBuff.size = compressedBufferSize; | |
567 | outBuff.pos = 0; | |
568 | inBuff.src = CNBuffer; | |
569 | inBuff.size = CNBufferSize; | |
570 | inBuff.pos = 0; | |
571 | { size_t const r = ZSTD_compressStream(zc, &outBuff, &inBuff); | |
572 | if (ZSTD_getErrorCode(r) != ZSTD_error_srcSize_wrong) goto _output_error; /* must fail : wrong srcSize */ | |
573 | DISPLAYLEVEL(3, "OK (error detected : %s) \n", ZSTD_getErrorName(r)); | |
574 | } } | |
575 | ||
7c673cae | 576 | /* Complex context re-use scenario */ |
11fdf7f2 | 577 | DISPLAYLEVEL(3, "test%3i : context re-use : ", testNb++); |
7c673cae | 578 | ZSTD_freeCStream(zc); |
9f95a23c | 579 | zc = ZSTD_createCStream(); |
7c673cae FG |
580 | if (zc==NULL) goto _output_error; /* memory allocation issue */ |
581 | /* use 1 */ | |
582 | { size_t const inSize = 513; | |
11fdf7f2 | 583 | DISPLAYLEVEL(5, "use1 "); |
7c673cae FG |
584 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
585 | inBuff.src = CNBuffer; | |
586 | inBuff.size = inSize; | |
587 | inBuff.pos = 0; | |
588 | outBuff.dst = (char*)(compressedBuffer)+cSize; | |
589 | outBuff.size = ZSTD_compressBound(inSize); | |
590 | outBuff.pos = 0; | |
11fdf7f2 TL |
591 | DISPLAYLEVEL(5, "compress1 "); |
592 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); | |
7c673cae | 593 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
11fdf7f2 | 594 | DISPLAYLEVEL(5, "end1 "); |
7c673cae FG |
595 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
596 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ | |
597 | } | |
598 | /* use 2 */ | |
599 | { size_t const inSize = 1025; /* will not continue, because tables auto-adjust and are therefore different size */ | |
11fdf7f2 | 600 | DISPLAYLEVEL(5, "use2 "); |
7c673cae FG |
601 | ZSTD_initCStream_advanced(zc, NULL, 0, ZSTD_getParams(19, inSize, 0), inSize); /* needs btopt + search3 to trigger hashLog3 */ |
602 | inBuff.src = CNBuffer; | |
603 | inBuff.size = inSize; | |
604 | inBuff.pos = 0; | |
605 | outBuff.dst = (char*)(compressedBuffer)+cSize; | |
606 | outBuff.size = ZSTD_compressBound(inSize); | |
607 | outBuff.pos = 0; | |
11fdf7f2 TL |
608 | DISPLAYLEVEL(5, "compress2 "); |
609 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); | |
7c673cae | 610 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
11fdf7f2 | 611 | DISPLAYLEVEL(5, "end2 "); |
7c673cae FG |
612 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
613 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ | |
614 | } | |
11fdf7f2 | 615 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae FG |
616 | |
617 | /* CDict scenario */ | |
11fdf7f2 TL |
618 | DISPLAYLEVEL(3, "test%3i : digested dictionary : ", testNb++); |
619 | { ZSTD_CDict* const cdict = ZSTD_createCDict(dictionary.start, dictionary.filled, 1 /*byRef*/ ); | |
7c673cae | 620 | size_t const initError = ZSTD_initCStream_usingCDict(zc, cdict); |
9f95a23c | 621 | DISPLAYLEVEL(5, "ZSTD_initCStream_usingCDict result : %u ", (unsigned)initError); |
7c673cae | 622 | if (ZSTD_isError(initError)) goto _output_error; |
7c673cae FG |
623 | outBuff.dst = compressedBuffer; |
624 | outBuff.size = compressedBufferSize; | |
625 | outBuff.pos = 0; | |
626 | inBuff.src = CNBuffer; | |
627 | inBuff.size = CNBufferSize; | |
628 | inBuff.pos = 0; | |
9f95a23c | 629 | DISPLAYLEVEL(5, "- starting ZSTD_compressStream "); |
11fdf7f2 | 630 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
7c673cae | 631 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
9f95a23c TL |
632 | { size_t const r = ZSTD_endStream(zc, &outBuff); |
633 | DISPLAYLEVEL(5, "- ZSTD_endStream result : %u ", (unsigned)r); | |
634 | if (r != 0) goto _output_error; /* error, or some data not flushed */ | |
635 | } | |
7c673cae FG |
636 | cSize = outBuff.pos; |
637 | ZSTD_freeCDict(cdict); | |
9f95a23c | 638 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBufferSize*100); |
7c673cae FG |
639 | } |
640 | ||
11fdf7f2 | 641 | DISPLAYLEVEL(3, "test%3i : check CStream size : ", testNb++); |
7c673cae FG |
642 | { size_t const s = ZSTD_sizeof_CStream(zc); |
643 | if (ZSTD_isError(s)) goto _output_error; | |
9f95a23c | 644 | DISPLAYLEVEL(3, "OK (%u bytes) \n", (unsigned)s); |
11fdf7f2 TL |
645 | } |
646 | ||
647 | DISPLAYLEVEL(4, "test%3i : check Dictionary ID : ", testNb++); | |
648 | { unsigned const dID = ZSTD_getDictID_fromFrame(compressedBuffer, cSize); | |
649 | if (dID != dictID) goto _output_error; | |
650 | DISPLAYLEVEL(4, "OK (%u) \n", dID); | |
7c673cae FG |
651 | } |
652 | ||
653 | /* DDict scenario */ | |
9f95a23c | 654 | DISPLAYLEVEL(3, "test%3i : decompress %u bytes with digested dictionary : ", testNb++, (unsigned)CNBufferSize); |
11fdf7f2 | 655 | { ZSTD_DDict* const ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); |
7c673cae FG |
656 | size_t const initError = ZSTD_initDStream_usingDDict(zd, ddict); |
657 | if (ZSTD_isError(initError)) goto _output_error; | |
7c673cae FG |
658 | outBuff.dst = decodedBuffer; |
659 | outBuff.size = CNBufferSize; | |
660 | outBuff.pos = 0; | |
9f95a23c TL |
661 | inBuff.src = compressedBuffer; |
662 | inBuff.size = cSize; | |
663 | inBuff.pos = 0; | |
7c673cae FG |
664 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
665 | if (r != 0) goto _output_error; } /* should reach end of frame == 0; otherwise, some data left, or an error */ | |
666 | if (outBuff.pos != CNBufferSize) goto _output_error; /* should regenerate the same amount */ | |
667 | if (inBuff.pos != inBuff.size) goto _output_error; /* should have read the entire frame */ | |
668 | ZSTD_freeDDict(ddict); | |
11fdf7f2 | 669 | DISPLAYLEVEL(3, "OK \n"); |
7c673cae FG |
670 | } |
671 | ||
7c673cae | 672 | /* Memory restriction */ |
11fdf7f2 TL |
673 | DISPLAYLEVEL(3, "test%3i : maxWindowSize < frame requirement : ", testNb++); |
674 | ZSTD_initDStream_usingDict(zd, CNBuffer, dictSize); | |
9f95a23c | 675 | CHECK_Z( ZSTD_DCtx_setParameter(zd, ZSTD_d_windowLogMax, 10) ); /* too small limit */ |
7c673cae FG |
676 | outBuff.dst = decodedBuffer; |
677 | outBuff.size = CNBufferSize; | |
678 | outBuff.pos = 0; | |
9f95a23c TL |
679 | inBuff.src = compressedBuffer; |
680 | inBuff.size = cSize; | |
681 | inBuff.pos = 0; | |
7c673cae FG |
682 | { size_t const r = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
683 | if (!ZSTD_isError(r)) goto _output_error; /* must fail : frame requires > 100 bytes */ | |
11fdf7f2 | 684 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); } |
9f95a23c TL |
685 | ZSTD_DCtx_reset(zd, ZSTD_reset_session_and_parameters); /* leave zd in good shape for next tests */ |
686 | ||
687 | DISPLAYLEVEL(3, "test%3i : dictionary source size and level : ", testNb++); | |
688 | { ZSTD_DCtx* const dctx = ZSTD_createDCtx(); | |
689 | int const maxLevel = 16; /* first level with zstd_opt */ | |
690 | int level; | |
691 | assert(maxLevel < ZSTD_maxCLevel()); | |
692 | CHECK_Z( ZSTD_DCtx_loadDictionary_byReference(dctx, dictionary.start, dictionary.filled) ); | |
693 | for (level = 1; level <= maxLevel; ++level) { | |
694 | ZSTD_CDict* const cdict = ZSTD_createCDict(dictionary.start, dictionary.filled, level); | |
695 | size_t const maxSize = MIN(1 MB, CNBufferSize); | |
696 | size_t size; | |
697 | for (size = 512; size <= maxSize; size <<= 1) { | |
698 | U64 const crcOrig = XXH64(CNBuffer, size, 0); | |
699 | ZSTD_CCtx* const cctx = ZSTD_createCCtx(); | |
700 | ZSTD_parameters savedParams; | |
701 | getCCtxParams(cctx, &savedParams); | |
702 | outBuff.dst = compressedBuffer; | |
703 | outBuff.size = compressedBufferSize; | |
704 | outBuff.pos = 0; | |
705 | inBuff.src = CNBuffer; | |
706 | inBuff.size = size; | |
707 | inBuff.pos = 0; | |
708 | CHECK_Z(ZSTD_CCtx_refCDict(cctx, cdict)); | |
709 | CHECK_Z(ZSTD_compressStream2(cctx, &outBuff, &inBuff, ZSTD_e_end)); | |
710 | CHECK(badParameters(cctx, savedParams), "Bad CCtx params"); | |
711 | if (inBuff.pos != inBuff.size) goto _output_error; | |
712 | { ZSTD_outBuffer decOut = {decodedBuffer, size, 0}; | |
713 | ZSTD_inBuffer decIn = {outBuff.dst, outBuff.pos, 0}; | |
714 | CHECK_Z( ZSTD_decompressStream(dctx, &decOut, &decIn) ); | |
715 | if (decIn.pos != decIn.size) goto _output_error; | |
716 | if (decOut.pos != size) goto _output_error; | |
717 | { U64 const crcDec = XXH64(decOut.dst, decOut.pos, 0); | |
718 | if (crcDec != crcOrig) goto _output_error; | |
719 | } } | |
720 | ZSTD_freeCCtx(cctx); | |
721 | } | |
722 | ZSTD_freeCDict(cdict); | |
723 | } | |
724 | ZSTD_freeDCtx(dctx); | |
725 | } | |
726 | DISPLAYLEVEL(3, "OK\n"); | |
727 | ||
728 | ZSTD_CCtx_reset(zc, ZSTD_reset_session_and_parameters); | |
729 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, dictionary.start, dictionary.filled) ); | |
730 | cSize = ZSTD_compress2(zc, compressedBuffer, compressedBufferSize, CNBuffer, MIN(CNBufferSize, 100 KB)); | |
731 | CHECK_Z(cSize); | |
732 | DISPLAYLEVEL(3, "test%3i : ZSTD_decompressStream() with dictionary : ", testNb++); | |
733 | { | |
734 | ZSTD_DCtx* dctx = ZSTD_createDCtx(); | |
735 | /* We should fail to decompress without a dictionary. */ | |
736 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
737 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
738 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
739 | size_t const ret = ZSTD_decompressStream(dctx, &out, &in); | |
740 | if (!ZSTD_isError(ret)) goto _output_error; | |
741 | } | |
742 | /* We should succeed to decompress with the dictionary. */ | |
743 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
744 | CHECK_Z( ZSTD_DCtx_loadDictionary(dctx, dictionary.start, dictionary.filled) ); | |
745 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
746 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
747 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
748 | if (in.pos != in.size) goto _output_error; | |
749 | } | |
750 | /* The dictionary should presist across calls. */ | |
751 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
752 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
753 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
754 | if (in.pos != in.size) goto _output_error; | |
755 | } | |
756 | /* The dictionary should not be cleared by ZSTD_reset_session_only. */ | |
757 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_only); | |
758 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
759 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
760 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
761 | if (in.pos != in.size) goto _output_error; | |
762 | } | |
763 | /* When we reset the context the dictionary is cleared. */ | |
764 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
765 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
766 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
767 | size_t const ret = ZSTD_decompressStream(dctx, &out, &in); | |
768 | if (!ZSTD_isError(ret)) goto _output_error; | |
769 | } | |
770 | ZSTD_freeDCtx(dctx); | |
771 | } | |
772 | DISPLAYLEVEL(3, "OK \n"); | |
773 | ||
774 | DISPLAYLEVEL(3, "test%3i : ZSTD_resetDStream() with dictionary : ", testNb++); | |
775 | { | |
776 | ZSTD_DCtx* dctx = ZSTD_createDCtx(); | |
777 | /* We should succeed to decompress with the dictionary. */ | |
778 | ZSTD_resetDStream(dctx); | |
779 | CHECK_Z( ZSTD_DCtx_loadDictionary(dctx, dictionary.start, dictionary.filled) ); | |
780 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
781 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
782 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
783 | if (in.pos != in.size) goto _output_error; | |
784 | } | |
785 | /* The dictionary should not be cleared by ZSTD_resetDStream(). */ | |
786 | ZSTD_resetDStream(dctx); | |
787 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
788 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
789 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
790 | if (in.pos != in.size) goto _output_error; | |
791 | } | |
792 | /* The dictionary should be cleared by ZSTD_initDStream(). */ | |
793 | CHECK_Z( ZSTD_initDStream(dctx) ); | |
794 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
795 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
796 | size_t const ret = ZSTD_decompressStream(dctx, &out, &in); | |
797 | if (!ZSTD_isError(ret)) goto _output_error; | |
798 | } | |
799 | ZSTD_freeDCtx(dctx); | |
800 | } | |
801 | DISPLAYLEVEL(3, "OK \n"); | |
802 | ||
803 | DISPLAYLEVEL(3, "test%3i : ZSTD_decompressStream() with ddict : ", testNb++); | |
804 | { | |
805 | ZSTD_DCtx* dctx = ZSTD_createDCtx(); | |
806 | ZSTD_DDict* ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); | |
807 | /* We should succeed to decompress with the ddict. */ | |
808 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
809 | CHECK_Z( ZSTD_DCtx_refDDict(dctx, ddict) ); | |
810 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
811 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
812 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
813 | if (in.pos != in.size) goto _output_error; | |
814 | } | |
815 | /* The ddict should presist across calls. */ | |
816 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
817 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
818 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
819 | if (in.pos != in.size) goto _output_error; | |
820 | } | |
821 | /* When we reset the context the ddict is cleared. */ | |
822 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
823 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
824 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
825 | size_t const ret = ZSTD_decompressStream(dctx, &out, &in); | |
826 | if (!ZSTD_isError(ret)) goto _output_error; | |
827 | } | |
828 | ZSTD_freeDCtx(dctx); | |
829 | ZSTD_freeDDict(ddict); | |
830 | } | |
831 | DISPLAYLEVEL(3, "OK \n"); | |
832 | ||
833 | DISPLAYLEVEL(3, "test%3i : ZSTD_decompressDCtx() with prefix : ", testNb++); | |
834 | { | |
835 | ZSTD_DCtx* dctx = ZSTD_createDCtx(); | |
836 | /* We should succeed to decompress with the prefix. */ | |
837 | ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters); | |
838 | CHECK_Z( ZSTD_DCtx_refPrefix_advanced(dctx, dictionary.start, dictionary.filled, ZSTD_dct_auto) ); | |
839 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
840 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
841 | if (ZSTD_decompressStream(dctx, &out, &in) != 0) goto _output_error; | |
842 | if (in.pos != in.size) goto _output_error; | |
843 | } | |
844 | /* The prefix should be cleared after the first compression. */ | |
845 | { ZSTD_outBuffer out = {decodedBuffer, decodedBufferSize, 0}; | |
846 | ZSTD_inBuffer in = {compressedBuffer, cSize, 0}; | |
847 | size_t const ret = ZSTD_decompressStream(dctx, &out, &in); | |
848 | if (!ZSTD_isError(ret)) goto _output_error; | |
849 | } | |
850 | ZSTD_freeDCtx(dctx); | |
851 | } | |
852 | DISPLAYLEVEL(3, "OK \n"); | |
853 | ||
854 | DISPLAYLEVEL(3, "test%3i : ZSTD_initDStream*() with dictionary : ", testNb++); | |
855 | { | |
856 | ZSTD_DCtx* dctx = ZSTD_createDCtx(); | |
857 | ZSTD_DDict* ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); | |
858 | size_t ret; | |
859 | /* We should succeed to decompress with the dictionary. */ | |
860 | CHECK_Z( ZSTD_initDStream_usingDict(dctx, dictionary.start, dictionary.filled) ); | |
861 | CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, decodedBufferSize, compressedBuffer, cSize) ); | |
862 | /* The dictionary should presist across calls. */ | |
863 | CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, decodedBufferSize, compressedBuffer, cSize) ); | |
864 | /* We should succeed to decompress with the ddict. */ | |
865 | CHECK_Z( ZSTD_initDStream_usingDDict(dctx, ddict) ); | |
866 | CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, decodedBufferSize, compressedBuffer, cSize) ); | |
867 | /* The ddict should presist across calls. */ | |
868 | CHECK_Z( ZSTD_decompressDCtx(dctx, decodedBuffer, decodedBufferSize, compressedBuffer, cSize) ); | |
869 | /* When we reset the context the ddict is cleared. */ | |
870 | CHECK_Z( ZSTD_initDStream(dctx) ); | |
871 | ret = ZSTD_decompressDCtx(dctx, decodedBuffer, decodedBufferSize, compressedBuffer, cSize); | |
872 | if (!ZSTD_isError(ret)) goto _output_error; | |
873 | ZSTD_freeDCtx(dctx); | |
874 | ZSTD_freeDDict(ddict); | |
875 | } | |
876 | DISPLAYLEVEL(3, "OK \n"); | |
7c673cae | 877 | |
11fdf7f2 TL |
878 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_usingCDict_advanced with masked dictID : ", testNb++); |
879 | { ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBufferSize, dictionary.filled); | |
880 | ZSTD_frameParameters const fParams = { 1 /* contentSize */, 1 /* checksum */, 1 /* noDictID */}; | |
9f95a23c | 881 | ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictionary.start, dictionary.filled, ZSTD_dlm_byRef, ZSTD_dct_auto, cParams, ZSTD_defaultCMem); |
11fdf7f2 TL |
882 | size_t const initError = ZSTD_initCStream_usingCDict_advanced(zc, cdict, fParams, CNBufferSize); |
883 | if (ZSTD_isError(initError)) goto _output_error; | |
11fdf7f2 TL |
884 | outBuff.dst = compressedBuffer; |
885 | outBuff.size = compressedBufferSize; | |
886 | outBuff.pos = 0; | |
887 | inBuff.src = CNBuffer; | |
888 | inBuff.size = CNBufferSize; | |
889 | inBuff.pos = 0; | |
890 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); | |
891 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ | |
892 | { size_t const r = ZSTD_endStream(zc, &outBuff); | |
893 | if (r != 0) goto _output_error; } /* error, or some data not flushed */ | |
894 | cSize = outBuff.pos; | |
895 | ZSTD_freeCDict(cdict); | |
9f95a23c | 896 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBufferSize*100); |
11fdf7f2 TL |
897 | } |
898 | ||
899 | DISPLAYLEVEL(3, "test%3i : try retrieving dictID from frame : ", testNb++); | |
900 | { U32 const did = ZSTD_getDictID_fromFrame(compressedBuffer, cSize); | |
901 | if (did != 0) goto _output_error; | |
902 | } | |
903 | DISPLAYLEVEL(3, "OK (not detected) \n"); | |
904 | ||
905 | DISPLAYLEVEL(3, "test%3i : decompress without dictionary : ", testNb++); | |
906 | { size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize); | |
907 | if (!ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */ | |
908 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); | |
909 | } | |
910 | ||
911 | DISPLAYLEVEL(3, "test%3i : compress with ZSTD_CCtx_refPrefix : ", testNb++); | |
912 | CHECK_Z( ZSTD_CCtx_refPrefix(zc, dictionary.start, dictionary.filled) ); | |
913 | outBuff.dst = compressedBuffer; | |
914 | outBuff.size = compressedBufferSize; | |
915 | outBuff.pos = 0; | |
916 | inBuff.src = CNBuffer; | |
917 | inBuff.size = CNBufferSize; | |
918 | inBuff.pos = 0; | |
9f95a23c | 919 | CHECK_Z( ZSTD_compressStream2(zc, &outBuff, &inBuff, ZSTD_e_end) ); |
11fdf7f2 TL |
920 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
921 | cSize = outBuff.pos; | |
9f95a23c TL |
922 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBufferSize*100); |
923 | ||
924 | DISPLAYLEVEL(3, "test%3i : decompress with ZSTD_DCtx_refPrefix : ", testNb++); | |
925 | CHECK_Z( ZSTD_DCtx_refPrefix(zd, dictionary.start, dictionary.filled) ); | |
926 | outBuff.dst = decodedBuffer; | |
927 | outBuff.size = CNBufferSize; | |
928 | outBuff.pos = 0; | |
929 | inBuff.src = compressedBuffer; | |
930 | inBuff.size = cSize; | |
931 | inBuff.pos = 0; | |
932 | CHECK_Z( ZSTD_decompressStream(zd, &outBuff, &inBuff) ); | |
933 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ | |
934 | if (outBuff.pos != CNBufferSize) goto _output_error; /* must regenerate whole input */ | |
935 | DISPLAYLEVEL(3, "OK \n"); | |
11fdf7f2 TL |
936 | |
937 | DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should fail): ", testNb++); | |
938 | { size_t const r = ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize); | |
939 | if (!ZSTD_isError(r)) goto _output_error; /* must fail : dictionary not used */ | |
940 | DISPLAYLEVEL(3, "OK (%s)\n", ZSTD_getErrorName(r)); | |
941 | } | |
942 | ||
9f95a23c | 943 | DISPLAYLEVEL(3, "test%3i : compress again with ZSTD_compressStream2 : ", testNb++); |
11fdf7f2 TL |
944 | outBuff.dst = compressedBuffer; |
945 | outBuff.size = compressedBufferSize; | |
946 | outBuff.pos = 0; | |
947 | inBuff.src = CNBuffer; | |
948 | inBuff.size = CNBufferSize; | |
949 | inBuff.pos = 0; | |
9f95a23c | 950 | CHECK_Z( ZSTD_compressStream2(zc, &outBuff, &inBuff, ZSTD_e_end) ); |
11fdf7f2 TL |
951 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
952 | cSize = outBuff.pos; | |
9f95a23c | 953 | DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (unsigned)cSize, (double)cSize/CNBufferSize*100); |
11fdf7f2 TL |
954 | |
955 | DISPLAYLEVEL(3, "test%3i : decompress without dictionary (should work): ", testNb++); | |
956 | CHECK_Z( ZSTD_decompress(decodedBuffer, CNBufferSize, compressedBuffer, cSize) ); | |
957 | DISPLAYLEVEL(3, "OK \n"); | |
958 | ||
959 | /* Empty srcSize */ | |
960 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced with pledgedSrcSize=0 and dict : ", testNb++); | |
961 | { ZSTD_parameters params = ZSTD_getParams(5, 0, 0); | |
962 | params.fParams.contentSizeFlag = 1; | |
9f95a23c | 963 | CHECK_Z( ZSTD_initCStream_advanced(zc, dictionary.start, dictionary.filled, params, 0 /* pledgedSrcSize==0 means "empty" when params.fParams.contentSizeFlag is set */) ); |
11fdf7f2 | 964 | } /* cstream advanced shall write content size = 0 */ |
11fdf7f2 TL |
965 | outBuff.dst = compressedBuffer; |
966 | outBuff.size = compressedBufferSize; | |
967 | outBuff.pos = 0; | |
9f95a23c TL |
968 | inBuff.src = CNBuffer; |
969 | inBuff.size = 0; | |
970 | inBuff.pos = 0; | |
11fdf7f2 TL |
971 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
972 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; | |
973 | cSize = outBuff.pos; | |
974 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != 0) goto _output_error; | |
975 | DISPLAYLEVEL(3, "OK \n"); | |
976 | ||
977 | DISPLAYLEVEL(3, "test%3i : pledgedSrcSize == 0 behaves properly : ", testNb++); | |
978 | { ZSTD_parameters params = ZSTD_getParams(5, 0, 0); | |
979 | params.fParams.contentSizeFlag = 1; | |
980 | CHECK_Z( ZSTD_initCStream_advanced(zc, NULL, 0, params, 0) ); | |
981 | } /* cstream advanced shall write content size = 0 */ | |
982 | inBuff.src = CNBuffer; | |
983 | inBuff.size = 0; | |
984 | inBuff.pos = 0; | |
985 | outBuff.dst = compressedBuffer; | |
986 | outBuff.size = compressedBufferSize; | |
987 | outBuff.pos = 0; | |
988 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); | |
989 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; | |
990 | cSize = outBuff.pos; | |
991 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != 0) goto _output_error; | |
992 | ||
993 | ZSTD_resetCStream(zc, 0); /* resetCStream should treat 0 as unknown */ | |
11fdf7f2 TL |
994 | outBuff.dst = compressedBuffer; |
995 | outBuff.size = compressedBufferSize; | |
996 | outBuff.pos = 0; | |
9f95a23c TL |
997 | inBuff.src = CNBuffer; |
998 | inBuff.size = 0; | |
999 | inBuff.pos = 0; | |
11fdf7f2 TL |
1000 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
1001 | if (ZSTD_endStream(zc, &outBuff) != 0) goto _output_error; | |
1002 | cSize = outBuff.pos; | |
1003 | if (ZSTD_findDecompressedSize(compressedBuffer, cSize) != ZSTD_CONTENTSIZE_UNKNOWN) goto _output_error; | |
1004 | DISPLAYLEVEL(3, "OK \n"); | |
1005 | ||
1006 | /* Basic multithreading compression test */ | |
1007 | DISPLAYLEVEL(3, "test%3i : compress %u bytes with multiple threads : ", testNb++, COMPRESSIBLE_NOISE_LENGTH); | |
1008 | { ZSTD_parameters const params = ZSTD_getParams(1, 0, 0); | |
9f95a23c TL |
1009 | int jobSize; |
1010 | CHECK_Z( ZSTDMT_getMTCtxParameter(mtctx, ZSTDMT_p_jobSize, &jobSize)); | |
1011 | CHECK(jobSize != 0, "job size non-zero"); | |
11fdf7f2 | 1012 | CHECK_Z( ZSTDMT_initCStream_advanced(mtctx, CNBuffer, dictSize, params, CNBufferSize) ); |
9f95a23c TL |
1013 | CHECK_Z( ZSTDMT_getMTCtxParameter(mtctx, ZSTDMT_p_jobSize, &jobSize)); |
1014 | CHECK(jobSize != 0, "job size non-zero"); | |
11fdf7f2 | 1015 | } |
9f95a23c | 1016 | outBuff.dst = compressedBuffer; |
11fdf7f2 TL |
1017 | outBuff.size = compressedBufferSize; |
1018 | outBuff.pos = 0; | |
1019 | inBuff.src = CNBuffer; | |
1020 | inBuff.size = CNBufferSize; | |
1021 | inBuff.pos = 0; | |
9f95a23c TL |
1022 | { size_t const compressResult = ZSTDMT_compressStream_generic(mtctx, &outBuff, &inBuff, ZSTD_e_end); |
1023 | if (compressResult != 0) goto _output_error; /* compression must be completed in a single round */ | |
1024 | } | |
11fdf7f2 | 1025 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ |
9f95a23c TL |
1026 | { size_t const compressedSize = ZSTD_findFrameCompressedSize(compressedBuffer, outBuff.pos); |
1027 | if (compressedSize != outBuff.pos) goto _output_error; /* must be a full valid frame */ | |
1028 | } | |
11fdf7f2 TL |
1029 | DISPLAYLEVEL(3, "OK \n"); |
1030 | ||
9f95a23c TL |
1031 | /* Complex multithreading + dictionary test */ |
1032 | { U32 const nbWorkers = 2; | |
1033 | size_t const jobSize = 4 * 1 MB; | |
1034 | size_t const srcSize = jobSize * nbWorkers; /* we want each job to have predictable size */ | |
1035 | size_t const segLength = 2 KB; | |
1036 | size_t const offset = 600 KB; /* must be larger than window defined in cdict */ | |
1037 | size_t const start = jobSize + (offset-1); | |
1038 | const BYTE* const srcToCopy = (const BYTE*)CNBuffer + start; | |
1039 | BYTE* const dst = (BYTE*)CNBuffer + start - offset; | |
1040 | DISPLAYLEVEL(3, "test%3i : compress %u bytes with multiple threads + dictionary : ", testNb++, (unsigned)srcSize); | |
1041 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_c_compressionLevel, 3) ); | |
1042 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_c_nbWorkers, nbWorkers) ); | |
1043 | CHECK_Z( ZSTD_CCtx_setParameter(zc, ZSTD_c_jobSize, jobSize) ); | |
1044 | assert(start > offset); | |
1045 | assert(start + segLength < COMPRESSIBLE_NOISE_LENGTH); | |
1046 | memcpy(dst, srcToCopy, segLength); /* create a long repetition at long distance for job 2 */ | |
1047 | outBuff.dst = compressedBuffer; | |
1048 | outBuff.size = compressedBufferSize; | |
1049 | outBuff.pos = 0; | |
1050 | inBuff.src = CNBuffer; | |
1051 | inBuff.size = srcSize; assert(srcSize < COMPRESSIBLE_NOISE_LENGTH); | |
1052 | inBuff.pos = 0; | |
1053 | } | |
1054 | { ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, 4 KB, dictionary.filled); /* intentionally lies on estimatedSrcSize, to push cdict into targeting a small window size */ | |
1055 | ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictionary.start, dictionary.filled, ZSTD_dlm_byRef, ZSTD_dct_fullDict, cParams, ZSTD_defaultCMem); | |
1056 | DISPLAYLEVEL(5, "cParams.windowLog = %u : ", cParams.windowLog); | |
1057 | CHECK_Z( ZSTD_CCtx_refCDict(zc, cdict) ); | |
1058 | CHECK_Z( ZSTD_compressStream2(zc, &outBuff, &inBuff, ZSTD_e_end) ); | |
1059 | CHECK_Z( ZSTD_CCtx_refCDict(zc, NULL) ); /* do not keep a reference to cdict, as its lifetime ends */ | |
1060 | ZSTD_freeCDict(cdict); | |
1061 | } | |
1062 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ | |
1063 | cSize = outBuff.pos; | |
1064 | DISPLAYLEVEL(3, "OK \n"); | |
1065 | ||
1066 | DISPLAYLEVEL(3, "test%3i : decompress large frame created from multiple threads + dictionary : ", testNb++); | |
1067 | { ZSTD_DStream* const dstream = ZSTD_createDCtx(); | |
1068 | ZSTD_frameHeader zfh; | |
1069 | ZSTD_getFrameHeader(&zfh, compressedBuffer, cSize); | |
1070 | DISPLAYLEVEL(5, "frame windowsize = %u : ", (unsigned)zfh.windowSize); | |
1071 | outBuff.dst = decodedBuffer; | |
1072 | outBuff.size = CNBufferSize; | |
1073 | outBuff.pos = 0; | |
1074 | inBuff.src = compressedBuffer; | |
1075 | inBuff.pos = 0; | |
1076 | CHECK_Z( ZSTD_initDStream_usingDict(dstream, dictionary.start, dictionary.filled) ); | |
1077 | inBuff.size = 1; /* avoid shortcut to single-pass mode */ | |
1078 | CHECK_Z( ZSTD_decompressStream(dstream, &outBuff, &inBuff) ); | |
1079 | inBuff.size = cSize; | |
1080 | CHECK_Z( ZSTD_decompressStream(dstream, &outBuff, &inBuff) ); | |
1081 | if (inBuff.pos != inBuff.size) goto _output_error; /* entire input should be consumed */ | |
1082 | ZSTD_freeDStream(dstream); | |
1083 | } | |
1084 | DISPLAYLEVEL(3, "OK \n"); | |
1085 | ||
1086 | DISPLAYLEVEL(3, "test%3i : check dictionary FSE tables can represent every code : ", testNb++); | |
1087 | { unsigned const kMaxWindowLog = 24; | |
1088 | unsigned value; | |
1089 | ZSTD_compressionParameters cParams = ZSTD_getCParams(3, 1U << kMaxWindowLog, 1024); | |
1090 | ZSTD_CDict* cdict; | |
1091 | ZSTD_DDict* ddict; | |
1092 | SEQ_stream seq = SEQ_initStream(0x87654321); | |
1093 | SEQ_gen_type type; | |
1094 | XXH64_state_t xxh; | |
1095 | ||
1096 | XXH64_reset(&xxh, 0); | |
1097 | cParams.windowLog = kMaxWindowLog; | |
1098 | cdict = ZSTD_createCDict_advanced(dictionary.start, dictionary.filled, ZSTD_dlm_byRef, ZSTD_dct_fullDict, cParams, ZSTD_defaultCMem); | |
1099 | ddict = ZSTD_createDDict(dictionary.start, dictionary.filled); | |
1100 | ||
1101 | if (!cdict || !ddict) goto _output_error; | |
1102 | ||
1103 | ZSTD_CCtx_reset(zc, ZSTD_reset_session_only); | |
1104 | ZSTD_resetDStream(zd); | |
1105 | CHECK_Z(ZSTD_CCtx_refCDict(zc, cdict)); | |
1106 | CHECK_Z(ZSTD_initDStream_usingDDict(zd, ddict)); | |
1107 | CHECK_Z(ZSTD_DCtx_setParameter(zd, ZSTD_d_windowLogMax, kMaxWindowLog)); | |
1108 | /* Test all values < 300 */ | |
1109 | for (value = 0; value < 300; ++value) { | |
1110 | for (type = (SEQ_gen_type)0; type < SEQ_gen_max; ++type) { | |
1111 | CHECK_Z(SEQ_generateRoundTrip(zc, zd, &xxh, &seq, type, value)); | |
1112 | } | |
1113 | } | |
1114 | /* Test values 2^8 to 2^17 */ | |
1115 | for (value = (1 << 8); value < (1 << 17); value <<= 1) { | |
1116 | for (type = (SEQ_gen_type)0; type < SEQ_gen_max; ++type) { | |
1117 | CHECK_Z(SEQ_generateRoundTrip(zc, zd, &xxh, &seq, type, value)); | |
1118 | CHECK_Z(SEQ_generateRoundTrip(zc, zd, &xxh, &seq, type, value + (value >> 2))); | |
1119 | } | |
1120 | } | |
1121 | /* Test offset values up to the max window log */ | |
1122 | for (value = 8; value <= kMaxWindowLog; ++value) { | |
1123 | CHECK_Z(SEQ_generateRoundTrip(zc, zd, &xxh, &seq, SEQ_gen_of, (1U << value) - 1)); | |
1124 | } | |
1125 | ||
1126 | CHECK_Z(SEQ_roundTrip(zc, zd, &xxh, NULL, 0, ZSTD_e_end)); | |
1127 | CHECK(SEQ_digest(&seq) != XXH64_digest(&xxh), "SEQ XXH64 does not match"); | |
1128 | ||
1129 | ZSTD_freeCDict(cdict); | |
1130 | ZSTD_freeDDict(ddict); | |
1131 | } | |
1132 | DISPLAYLEVEL(3, "OK \n"); | |
1133 | ||
1134 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_srcSize sets requestedParams : ", testNb++); | |
1135 | { int level; | |
1136 | CHECK_Z(ZSTD_initCStream_srcSize(zc, 11, ZSTD_CONTENTSIZE_UNKNOWN)); | |
1137 | CHECK_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_compressionLevel, &level)); | |
1138 | CHECK(level != 11, "Compression level does not match"); | |
1139 | ZSTD_resetCStream(zc, ZSTD_CONTENTSIZE_UNKNOWN); | |
1140 | CHECK_Z(ZSTD_CCtx_getParameter(zc, ZSTD_c_compressionLevel, &level)); | |
1141 | CHECK(level != 11, "Compression level does not match"); | |
1142 | } | |
1143 | DISPLAYLEVEL(3, "OK \n"); | |
1144 | ||
1145 | DISPLAYLEVEL(3, "test%3i : ZSTD_initCStream_advanced sets requestedParams : ", testNb++); | |
1146 | { ZSTD_parameters const params = ZSTD_getParams(9, 0, 0); | |
1147 | CHECK_Z(ZSTD_initCStream_advanced(zc, NULL, 0, params, ZSTD_CONTENTSIZE_UNKNOWN)); | |
1148 | CHECK(badParameters(zc, params), "Compression parameters do not match"); | |
1149 | ZSTD_resetCStream(zc, ZSTD_CONTENTSIZE_UNKNOWN); | |
1150 | CHECK(badParameters(zc, params), "Compression parameters do not match"); | |
1151 | } | |
1152 | DISPLAYLEVEL(3, "OK \n"); | |
11fdf7f2 TL |
1153 | |
1154 | /* Overlen overwriting window data bug */ | |
1155 | DISPLAYLEVEL(3, "test%3i : wildcopy doesn't overwrite potential match data : ", testNb++); | |
1156 | { /* This test has a window size of 1024 bytes and consists of 3 blocks: | |
1157 | 1. 'a' repeated 517 times | |
1158 | 2. 'b' repeated 516 times | |
1159 | 3. a compressed block with no literals and 3 sequence commands: | |
1160 | litlength = 0, offset = 24, match length = 24 | |
1161 | litlength = 0, offset = 24, match length = 3 (this one creates an overlength write of length 2*WILDCOPY_OVERLENGTH - 3) | |
1162 | litlength = 0, offset = 1021, match length = 3 (this one will try to read from overwritten data if the buffer is too small) */ | |
1163 | ||
1164 | const char* testCase = | |
1165 | "\x28\xB5\x2F\xFD\x04\x00\x4C\x00\x00\x10\x61\x61\x01\x00\x00\x2A" | |
1166 | "\x80\x05\x44\x00\x00\x08\x62\x01\x00\x00\x2A\x20\x04\x5D\x00\x00" | |
1167 | "\x00\x03\x40\x00\x00\x64\x60\x27\xB0\xE0\x0C\x67\x62\xCE\xE0"; | |
1168 | ZSTD_DStream* const zds = ZSTD_createDStream(); | |
1169 | if (zds==NULL) goto _output_error; | |
1170 | ||
1171 | CHECK_Z( ZSTD_initDStream(zds) ); | |
1172 | inBuff.src = testCase; | |
1173 | inBuff.size = 47; | |
1174 | inBuff.pos = 0; | |
1175 | outBuff.dst = decodedBuffer; | |
1176 | outBuff.size = CNBufferSize; | |
1177 | outBuff.pos = 0; | |
1178 | ||
1179 | while (inBuff.pos < inBuff.size) { | |
1180 | CHECK_Z( ZSTD_decompressStream(zds, &outBuff, &inBuff) ); | |
1181 | } | |
1182 | ||
1183 | ZSTD_freeDStream(zds); | |
1184 | } | |
1185 | DISPLAYLEVEL(3, "OK \n"); | |
7c673cae | 1186 | |
9f95a23c TL |
1187 | DISPLAYLEVEL(3, "test%3i : dictionary + uncompressible block + reusing tables checks offset table validity: ", testNb++); |
1188 | { ZSTD_CDict* const cdict = ZSTD_createCDict_advanced( | |
1189 | dictionary.start, dictionary.filled, | |
1190 | ZSTD_dlm_byRef, ZSTD_dct_fullDict, | |
1191 | ZSTD_getCParams(3, 0, dictionary.filled), | |
1192 | ZSTD_defaultCMem); | |
1193 | const size_t inbufsize = 2 * 128 * 1024; /* 2 blocks */ | |
1194 | const size_t outbufsize = ZSTD_compressBound(inbufsize); | |
1195 | size_t inbufpos = 0; | |
1196 | size_t cursegmentlen; | |
1197 | BYTE *inbuf = (BYTE *)malloc(inbufsize); | |
1198 | BYTE *outbuf = (BYTE *)malloc(outbufsize); | |
1199 | BYTE *checkbuf = (BYTE *)malloc(inbufsize); | |
1200 | size_t ret; | |
1201 | ||
1202 | CHECK(cdict == NULL, "failed to alloc cdict"); | |
1203 | CHECK(inbuf == NULL, "failed to alloc input buffer"); | |
1204 | ||
1205 | /* first block is uncompressible */ | |
1206 | cursegmentlen = 128 * 1024; | |
1207 | RDG_genBuffer(inbuf + inbufpos, cursegmentlen, 0., 0., seed); | |
1208 | inbufpos += cursegmentlen; | |
1209 | ||
1210 | /* second block is compressible */ | |
1211 | cursegmentlen = 128 * 1024 - 256; | |
1212 | RDG_genBuffer(inbuf + inbufpos, cursegmentlen, 0.05, 0., seed); | |
1213 | inbufpos += cursegmentlen; | |
1214 | ||
1215 | /* and includes a very long backref */ | |
1216 | cursegmentlen = 128; | |
1217 | memcpy(inbuf + inbufpos, dictionary.start + 256, cursegmentlen); | |
1218 | inbufpos += cursegmentlen; | |
1219 | ||
1220 | /* and includes a very long backref */ | |
1221 | cursegmentlen = 128; | |
1222 | memcpy(inbuf + inbufpos, dictionary.start + 128, cursegmentlen); | |
1223 | inbufpos += cursegmentlen; | |
1224 | ||
1225 | ret = ZSTD_compress_usingCDict(zc, outbuf, outbufsize, inbuf, inbufpos, cdict); | |
1226 | CHECK_Z(ret); | |
1227 | ||
1228 | ret = ZSTD_decompress_usingDict(zd, checkbuf, inbufsize, outbuf, ret, dictionary.start, dictionary.filled); | |
1229 | CHECK_Z(ret); | |
1230 | ||
1231 | CHECK(memcmp(inbuf, checkbuf, inbufpos), "start and finish buffers don't match"); | |
1232 | ||
1233 | ZSTD_freeCDict(cdict); | |
1234 | free(inbuf); | |
1235 | free(outbuf); | |
1236 | free(checkbuf); | |
1237 | } | |
1238 | DISPLAYLEVEL(3, "OK \n"); | |
1239 | ||
1240 | DISPLAYLEVEL(3, "test%3i : dictionary + small blocks + reusing tables checks offset table validity: ", testNb++); | |
1241 | { ZSTD_CDict* const cdict = ZSTD_createCDict_advanced( | |
1242 | dictionary.start, dictionary.filled, | |
1243 | ZSTD_dlm_byRef, ZSTD_dct_fullDict, | |
1244 | ZSTD_getCParams(3, 0, dictionary.filled), | |
1245 | ZSTD_defaultCMem); | |
1246 | ZSTD_outBuffer out = {compressedBuffer, compressedBufferSize, 0}; | |
1247 | int remainingInput = 256 * 1024; | |
1248 | int offset; | |
1249 | ||
1250 | CHECK_Z(ZSTD_CCtx_reset(zc, ZSTD_reset_session_and_parameters)); | |
1251 | CHECK_Z(ZSTD_CCtx_refCDict(zc, cdict)); | |
1252 | CHECK_Z(ZSTD_CCtx_setParameter(zc, ZSTD_c_checksumFlag, 1)); | |
1253 | /* Write a bunch of 6 byte blocks */ | |
1254 | while (remainingInput > 0) { | |
1255 | char testBuffer[6] = "\xAA\xAA\xAA\xAA\xAA\xAA"; | |
1256 | const size_t kSmallBlockSize = sizeof(testBuffer); | |
1257 | ZSTD_inBuffer in = {testBuffer, kSmallBlockSize, 0}; | |
1258 | ||
1259 | CHECK_Z(ZSTD_compressStream2(zc, &out, &in, ZSTD_e_flush)); | |
1260 | CHECK(in.pos != in.size, "input not fully consumed"); | |
1261 | remainingInput -= kSmallBlockSize; | |
1262 | } | |
1263 | /* Write several very long offset matches into the dictionary */ | |
1264 | for (offset = 1024; offset >= 0; offset -= 128) { | |
1265 | ZSTD_inBuffer in = {dictionary.start + offset, 128, 0}; | |
1266 | ZSTD_EndDirective flush = offset > 0 ? ZSTD_e_continue : ZSTD_e_end; | |
1267 | CHECK_Z(ZSTD_compressStream2(zc, &out, &in, flush)); | |
1268 | CHECK(in.pos != in.size, "input not fully consumed"); | |
1269 | } | |
1270 | /* Ensure decompression works */ | |
1271 | CHECK_Z(ZSTD_decompress_usingDict(zd, decodedBuffer, CNBufferSize, out.dst, out.pos, dictionary.start, dictionary.filled)); | |
1272 | ||
1273 | ZSTD_freeCDict(cdict); | |
1274 | } | |
1275 | DISPLAYLEVEL(3, "OK \n"); | |
1276 | ||
7c673cae | 1277 | _end: |
11fdf7f2 | 1278 | FUZ_freeDictionary(dictionary); |
7c673cae FG |
1279 | ZSTD_freeCStream(zc); |
1280 | ZSTD_freeDStream(zd); | |
11fdf7f2 | 1281 | ZSTDMT_freeCCtx(mtctx); |
7c673cae FG |
1282 | free(CNBuffer); |
1283 | free(compressedBuffer); | |
1284 | free(decodedBuffer); | |
1285 | return testResult; | |
1286 | ||
1287 | _output_error: | |
1288 | testResult = 1; | |
1289 | DISPLAY("Error detected in Unit tests ! \n"); | |
1290 | goto _end; | |
1291 | } | |
1292 | ||
1293 | ||
1294 | /* ====== Fuzzer tests ====== */ | |
1295 | ||
1296 | static size_t findDiff(const void* buf1, const void* buf2, size_t max) | |
1297 | { | |
1298 | const BYTE* b1 = (const BYTE*)buf1; | |
1299 | const BYTE* b2 = (const BYTE*)buf2; | |
1300 | size_t u; | |
1301 | for (u=0; u<max; u++) { | |
1302 | if (b1[u] != b2[u]) break; | |
1303 | } | |
9f95a23c TL |
1304 | if (u==max) { |
1305 | DISPLAY("=> No difference detected within %u bytes \n", (unsigned)max); | |
1306 | return u; | |
1307 | } | |
1308 | DISPLAY("Error at position %u / %u \n", (unsigned)u, (unsigned)max); | |
1309 | if (u>=3) | |
1310 | DISPLAY(" %02X %02X %02X ", | |
1311 | b1[u-3], b1[u-2], b1[u-1]); | |
1312 | DISPLAY(" :%02X: %02X %02X %02X %02X %02X \n", | |
1313 | b1[u], b1[u+1], b1[u+2], b1[u+3], b1[u+4], b1[u+5]); | |
1314 | if (u>=3) | |
1315 | DISPLAY(" %02X %02X %02X ", | |
1316 | b2[u-3], b2[u-2], b2[u-1]); | |
1317 | DISPLAY(" :%02X: %02X %02X %02X %02X %02X \n", | |
1318 | b2[u], b2[u+1], b2[u+2], b2[u+3], b2[u+4], b2[u+5]); | |
7c673cae FG |
1319 | return u; |
1320 | } | |
1321 | ||
1322 | static size_t FUZ_rLogLength(U32* seed, U32 logLength) | |
1323 | { | |
1324 | size_t const lengthMask = ((size_t)1 << logLength) - 1; | |
1325 | return (lengthMask+1) + (FUZ_rand(seed) & lengthMask); | |
1326 | } | |
1327 | ||
1328 | static size_t FUZ_randomLength(U32* seed, U32 maxLog) | |
1329 | { | |
1330 | U32 const logLength = FUZ_rand(seed) % maxLog; | |
1331 | return FUZ_rLogLength(seed, logLength); | |
1332 | } | |
1333 | ||
11fdf7f2 TL |
1334 | /* Return value in range minVal <= v <= maxVal */ |
1335 | static U32 FUZ_randomClampedLength(U32* seed, U32 minVal, U32 maxVal) | |
1336 | { | |
1337 | U32 const mod = maxVal < minVal ? 1 : (maxVal + 1) - minVal; | |
1338 | return (U32)((FUZ_rand(seed) % mod) + minVal); | |
1339 | } | |
1340 | ||
9f95a23c | 1341 | static int fuzzerTests(U32 seed, unsigned nbTests, unsigned startTest, double compressibility, int bigTests) |
7c673cae | 1342 | { |
11fdf7f2 | 1343 | U32 const maxSrcLog = bigTests ? 24 : 22; |
7c673cae FG |
1344 | static const U32 maxSampleLog = 19; |
1345 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; | |
1346 | BYTE* cNoiseBuffer[5]; | |
11fdf7f2 | 1347 | size_t const copyBufferSize = srcBufferSize + (1<<maxSampleLog); |
7c673cae | 1348 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); |
11fdf7f2 | 1349 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); |
7c673cae FG |
1350 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); |
1351 | size_t const dstBufferSize = srcBufferSize; | |
1352 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); | |
1353 | U32 result = 0; | |
9f95a23c | 1354 | unsigned testNb = 0; |
7c673cae | 1355 | U32 coreSeed = seed; |
11fdf7f2 TL |
1356 | ZSTD_CStream* zc = ZSTD_createCStream(); /* will be re-created sometimes */ |
1357 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be re-created sometimes */ | |
7c673cae | 1358 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); |
9f95a23c | 1359 | UTIL_time_t const startClock = UTIL_getTime(); |
11fdf7f2 | 1360 | const BYTE* dict = NULL; /* can keep same dict on 2 consecutive tests */ |
7c673cae FG |
1361 | size_t dictSize = 0; |
1362 | U32 oldTestLog = 0; | |
11fdf7f2 | 1363 | U32 const cLevelMax = bigTests ? (U32)ZSTD_maxCLevel() : g_cLevelMax_smallTests; |
7c673cae FG |
1364 | |
1365 | /* allocations */ | |
1366 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); | |
1367 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); | |
1368 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); | |
1369 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); | |
1370 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); | |
1371 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || | |
1372 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , | |
1373 | "Not enough memory, fuzzer tests cancelled"); | |
1374 | ||
1375 | /* Create initial samples */ | |
1376 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ | |
1377 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ | |
1378 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); | |
1379 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ | |
1380 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ | |
1381 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ | |
1382 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ | |
1383 | ||
1384 | /* catch up testNb */ | |
1385 | for (testNb=1; testNb < startTest; testNb++) | |
1386 | FUZ_rand(&coreSeed); | |
1387 | ||
1388 | /* test loop */ | |
9f95a23c | 1389 | for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < g_clockTime) ; testNb++ ) { |
7c673cae FG |
1390 | U32 lseed; |
1391 | const BYTE* srcBuffer; | |
1392 | size_t totalTestSize, totalGenSize, cSize; | |
1393 | XXH64_state_t xxhState; | |
1394 | U64 crcOrig; | |
1395 | U32 resetAllowed = 1; | |
1396 | size_t maxTestSize; | |
1397 | ||
1398 | /* init */ | |
7c673cae | 1399 | FUZ_rand(&coreSeed); |
11fdf7f2 | 1400 | lseed = coreSeed ^ prime32; |
9f95a23c TL |
1401 | if (nbTests >= testNb) { |
1402 | DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); | |
1403 | } else { | |
1404 | DISPLAYUPDATE(2, "\r%6u ", testNb); | |
1405 | } | |
7c673cae FG |
1406 | |
1407 | /* states full reset (deliberately not synchronized) */ | |
1408 | /* some issues can only happen when reusing states */ | |
11fdf7f2 TL |
1409 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { |
1410 | ZSTD_freeCStream(zc); | |
1411 | zc = ZSTD_createCStream(); | |
1412 | CHECK(zc==NULL, "ZSTD_createCStream : allocation error"); | |
1413 | resetAllowed=0; | |
1414 | } | |
1415 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { | |
1416 | ZSTD_freeDStream(zd); | |
1417 | zd = ZSTD_createDStream(); | |
1418 | CHECK(zd==NULL, "ZSTD_createDStream : allocation error"); | |
1419 | CHECK_Z( ZSTD_initDStream_usingDict(zd, NULL, 0) ); /* ensure at least one init */ | |
1420 | } | |
7c673cae FG |
1421 | |
1422 | /* srcBuffer selection [0-4] */ | |
1423 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; | |
1424 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ | |
1425 | else { | |
1426 | buffNb >>= 3; | |
1427 | if (buffNb & 7) { | |
1428 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ | |
1429 | buffNb = tnb[buffNb >> 3]; | |
1430 | } else { | |
1431 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ | |
1432 | buffNb = tnb[buffNb >> 3]; | |
1433 | } } | |
1434 | srcBuffer = cNoiseBuffer[buffNb]; | |
1435 | } | |
1436 | ||
1437 | /* compression init */ | |
1438 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ | |
1439 | && oldTestLog /* at least one test happened */ && resetAllowed) { | |
1440 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); | |
11fdf7f2 | 1441 | maxTestSize = MIN(maxTestSize, srcBufferSize-16); |
7c673cae | 1442 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? 0 : maxTestSize; |
11fdf7f2 | 1443 | CHECK_Z( ZSTD_resetCStream(zc, pledgedSrcSize) ); |
7c673cae FG |
1444 | } |
1445 | } else { | |
1446 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; | |
11fdf7f2 TL |
1447 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
1448 | U32 const cLevelCandidate = ( FUZ_rand(&lseed) % | |
1449 | (ZSTD_maxCLevel() - | |
1450 | (MAX(testLog, dictLog) / 3))) | |
1451 | + 1; | |
1452 | U32 const cLevel = MIN(cLevelCandidate, cLevelMax); | |
7c673cae FG |
1453 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
1454 | oldTestLog = testLog; | |
1455 | /* random dictionary selection */ | |
11fdf7f2 | 1456 | dictSize = ((FUZ_rand(&lseed)&7)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; |
7c673cae FG |
1457 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); |
1458 | dict = srcBuffer + dictStart; | |
1459 | } | |
9f95a23c | 1460 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? ZSTD_CONTENTSIZE_UNKNOWN : maxTestSize; |
7c673cae FG |
1461 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); |
1462 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; | |
1463 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; | |
9f95a23c | 1464 | params.fParams.contentSizeFlag = FUZ_rand(&lseed) & 1; |
11fdf7f2 TL |
1465 | CHECK_Z ( ZSTD_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize) ); |
1466 | } } | |
7c673cae FG |
1467 | |
1468 | /* multi-segments compression test */ | |
1469 | XXH64_reset(&xxhState, 0); | |
1470 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; | |
1471 | U32 n; | |
1472 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { | |
1473 | /* compress random chunks into randomly sized dst buffers */ | |
1474 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
9f95a23c | 1475 | size_t const srcSize = MIN(maxTestSize-totalTestSize, randomSrcSize); |
7c673cae FG |
1476 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); |
1477 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1478 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); | |
1479 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; | |
1480 | outBuff.size = outBuff.pos + dstBuffSize; | |
1481 | ||
11fdf7f2 | 1482 | CHECK_Z( ZSTD_compressStream(zc, &outBuff, &inBuff) ); |
7c673cae FG |
1483 | |
1484 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); | |
1485 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); | |
1486 | totalTestSize += inBuff.pos; | |
1487 | } | |
1488 | ||
1489 | /* random flush operation, to mess around */ | |
1490 | if ((FUZ_rand(&lseed) & 15) == 0) { | |
1491 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1492 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); | |
1493 | outBuff.size = outBuff.pos + adjustedDstSize; | |
11fdf7f2 TL |
1494 | CHECK_Z( ZSTD_flushStream(zc, &outBuff) ); |
1495 | } } | |
7c673cae FG |
1496 | |
1497 | /* final frame epilogue */ | |
1498 | { size_t remainingToFlush = (size_t)(-1); | |
1499 | while (remainingToFlush) { | |
1500 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1501 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); | |
7c673cae FG |
1502 | outBuff.size = outBuff.pos + adjustedDstSize; |
1503 | remainingToFlush = ZSTD_endStream(zc, &outBuff); | |
11fdf7f2 | 1504 | CHECK (ZSTD_isError(remainingToFlush), "end error : %s", ZSTD_getErrorName(remainingToFlush)); |
7c673cae FG |
1505 | } } |
1506 | crcOrig = XXH64_digest(&xxhState); | |
1507 | cSize = outBuff.pos; | |
1508 | } | |
1509 | ||
1510 | /* multi - fragments decompression test */ | |
1511 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { | |
11fdf7f2 | 1512 | CHECK_Z ( ZSTD_resetDStream(zd) ); |
7c673cae | 1513 | } else { |
11fdf7f2 | 1514 | CHECK_Z ( ZSTD_initDStream_usingDict(zd, dict, dictSize) ); |
7c673cae FG |
1515 | } |
1516 | { size_t decompressionResult = 1; | |
1517 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; | |
1518 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
1519 | for (totalGenSize = 0 ; decompressionResult ; ) { | |
1520 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1521 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1522 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); | |
1523 | inBuff.size = inBuff.pos + readCSrcSize; | |
11fdf7f2 | 1524 | outBuff.size = outBuff.pos + dstBuffSize; |
7c673cae | 1525 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
11fdf7f2 TL |
1526 | if (ZSTD_getErrorCode(decompressionResult) == ZSTD_error_checksum_wrong) { |
1527 | DISPLAY("checksum error : \n"); | |
1528 | findDiff(copyBuffer, dstBuffer, totalTestSize); | |
1529 | } | |
1530 | CHECK( ZSTD_isError(decompressionResult), "decompression error : %s", | |
1531 | ZSTD_getErrorName(decompressionResult) ); | |
7c673cae FG |
1532 | } |
1533 | CHECK (decompressionResult != 0, "frame not fully decoded"); | |
11fdf7f2 | 1534 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size (%u != %u)", |
9f95a23c | 1535 | (unsigned)outBuff.pos, (unsigned)totalTestSize); |
7c673cae FG |
1536 | CHECK (inBuff.pos != cSize, "compressed data should be fully read") |
1537 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); | |
1538 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); | |
1539 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); | |
1540 | } } | |
1541 | ||
1542 | /*===== noisy/erroneous src decompression test =====*/ | |
1543 | ||
1544 | /* add some noise */ | |
1545 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; | |
1546 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { | |
1547 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1548 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); | |
1549 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); | |
1550 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); | |
1551 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); | |
1552 | } } | |
1553 | ||
1554 | /* try decompression on noisy data */ | |
11fdf7f2 | 1555 | CHECK_Z( ZSTD_initDStream(zd_noise) ); /* note : no dictionary */ |
7c673cae FG |
1556 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; |
1557 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
1558 | while (outBuff.pos < dstBufferSize) { | |
1559 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1560 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1561 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); | |
11fdf7f2 | 1562 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); |
7c673cae | 1563 | outBuff.size = outBuff.pos + adjustedDstSize; |
11fdf7f2 | 1564 | inBuff.size = inBuff.pos + adjustedCSrcSize; |
7c673cae FG |
1565 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
1566 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ | |
11fdf7f2 TL |
1567 | /* No forward progress possible */ |
1568 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; | |
7c673cae FG |
1569 | } } } } |
1570 | DISPLAY("\r%u fuzzer tests completed \n", testNb); | |
1571 | ||
1572 | _cleanup: | |
1573 | ZSTD_freeCStream(zc); | |
1574 | ZSTD_freeDStream(zd); | |
1575 | ZSTD_freeDStream(zd_noise); | |
1576 | free(cNoiseBuffer[0]); | |
1577 | free(cNoiseBuffer[1]); | |
1578 | free(cNoiseBuffer[2]); | |
1579 | free(cNoiseBuffer[3]); | |
1580 | free(cNoiseBuffer[4]); | |
1581 | free(copyBuffer); | |
1582 | free(cBuffer); | |
1583 | free(dstBuffer); | |
1584 | return result; | |
1585 | ||
1586 | _output_error: | |
1587 | result = 1; | |
1588 | goto _cleanup; | |
1589 | } | |
1590 | ||
1591 | ||
9f95a23c TL |
1592 | /* fuzzing ZSTDMT_* interface */ |
1593 | static int fuzzerTests_MT(U32 seed, int nbTests, int startTest, | |
1594 | double compressibility, int bigTests) | |
11fdf7f2 TL |
1595 | { |
1596 | const U32 maxSrcLog = bigTests ? 24 : 22; | |
1597 | static const U32 maxSampleLog = 19; | |
1598 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; | |
1599 | BYTE* cNoiseBuffer[5]; | |
1600 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); | |
1601 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); | |
1602 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); | |
1603 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); | |
1604 | size_t const dstBufferSize = srcBufferSize; | |
1605 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); | |
1606 | U32 result = 0; | |
9f95a23c | 1607 | int testNb = 0; |
11fdf7f2 | 1608 | U32 coreSeed = seed; |
9f95a23c | 1609 | int nbThreads = 2; |
11fdf7f2 TL |
1610 | ZSTDMT_CCtx* zc = ZSTDMT_createCCtx(nbThreads); /* will be reset sometimes */ |
1611 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ | |
1612 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); | |
9f95a23c | 1613 | UTIL_time_t const startClock = UTIL_getTime(); |
11fdf7f2 TL |
1614 | const BYTE* dict=NULL; /* can keep same dict on 2 consecutive tests */ |
1615 | size_t dictSize = 0; | |
11fdf7f2 TL |
1616 | int const cLevelMax = bigTests ? (U32)ZSTD_maxCLevel()-1 : g_cLevelMax_smallTests; |
1617 | U32 const nbThreadsMax = bigTests ? 4 : 2; | |
1618 | ||
1619 | /* allocations */ | |
1620 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); | |
1621 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); | |
1622 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); | |
1623 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); | |
1624 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); | |
1625 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || | |
1626 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , | |
1627 | "Not enough memory, fuzzer tests cancelled"); | |
1628 | ||
1629 | /* Create initial samples */ | |
1630 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ | |
1631 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ | |
1632 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); | |
1633 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ | |
1634 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ | |
1635 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ | |
1636 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ | |
9f95a23c | 1637 | DISPLAYLEVEL(6, "Creating initial context with %i threads \n", nbThreads); |
11fdf7f2 TL |
1638 | |
1639 | /* catch up testNb */ | |
1640 | for (testNb=1; testNb < startTest; testNb++) | |
1641 | FUZ_rand(&coreSeed); | |
1642 | ||
1643 | /* test loop */ | |
9f95a23c | 1644 | for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < g_clockTime) ; testNb++ ) { |
11fdf7f2 TL |
1645 | U32 lseed; |
1646 | const BYTE* srcBuffer; | |
1647 | size_t totalTestSize, totalGenSize, cSize; | |
1648 | XXH64_state_t xxhState; | |
1649 | U64 crcOrig; | |
11fdf7f2 TL |
1650 | size_t maxTestSize; |
1651 | ||
11fdf7f2 | 1652 | FUZ_rand(&coreSeed); |
9f95a23c TL |
1653 | if (nbTests >= testNb) { |
1654 | DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); | |
1655 | } else { | |
1656 | DISPLAYUPDATE(2, "\r%6u ", testNb); | |
1657 | } | |
11fdf7f2 TL |
1658 | lseed = coreSeed ^ prime32; |
1659 | ||
1660 | /* states full reset (deliberately not synchronized) */ | |
1661 | /* some issues can only happen when reusing states */ | |
1662 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { | |
1663 | nbThreads = (FUZ_rand(&lseed) % nbThreadsMax) + 1; | |
1664 | DISPLAYLEVEL(5, "Creating new context with %u threads \n", nbThreads); | |
1665 | ZSTDMT_freeCCtx(zc); | |
1666 | zc = ZSTDMT_createCCtx(nbThreads); | |
1667 | CHECK(zc==NULL, "ZSTDMT_createCCtx allocation error") | |
11fdf7f2 TL |
1668 | } |
1669 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { | |
1670 | ZSTD_freeDStream(zd); | |
1671 | zd = ZSTD_createDStream(); | |
1672 | CHECK(zd==NULL, "ZSTDMT_createCCtx allocation error") | |
1673 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ | |
1674 | } | |
1675 | ||
1676 | /* srcBuffer selection [0-4] */ | |
1677 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; | |
1678 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ | |
1679 | else { | |
1680 | buffNb >>= 3; | |
1681 | if (buffNb & 7) { | |
1682 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ | |
1683 | buffNb = tnb[buffNb >> 3]; | |
1684 | } else { | |
1685 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ | |
1686 | buffNb = tnb[buffNb >> 3]; | |
1687 | } } | |
1688 | srcBuffer = cNoiseBuffer[buffNb]; | |
1689 | } | |
1690 | ||
1691 | /* compression init */ | |
9f95a23c | 1692 | { U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; |
11fdf7f2 TL |
1693 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; |
1694 | int const cLevelCandidate = ( FUZ_rand(&lseed) | |
1695 | % (ZSTD_maxCLevel() - (MAX(testLog, dictLog) / 2)) ) | |
1696 | + 1; | |
1697 | int const cLevelThreadAdjusted = cLevelCandidate - (nbThreads * 2) + 2; /* reduce cLevel when multiple threads to reduce memory consumption */ | |
1698 | int const cLevelMin = MAX(cLevelThreadAdjusted, 1); /* no negative cLevel yet */ | |
1699 | int const cLevel = MIN(cLevelMin, cLevelMax); | |
1700 | maxTestSize = FUZ_rLogLength(&lseed, testLog); | |
9f95a23c TL |
1701 | |
1702 | if (FUZ_rand(&lseed)&1) { /* simple init */ | |
1703 | int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1; | |
1704 | DISPLAYLEVEL(5, "Init with compression level = %i \n", compressionLevel); | |
1705 | CHECK_Z( ZSTDMT_initCStream(zc, compressionLevel) ); | |
1706 | } else { /* advanced init */ | |
1707 | /* random dictionary selection */ | |
1708 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; | |
1709 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); | |
1710 | dict = srcBuffer + dictStart; | |
1711 | } | |
1712 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? ZSTD_CONTENTSIZE_UNKNOWN : maxTestSize; | |
1713 | ZSTD_parameters params = ZSTD_getParams(cLevel, pledgedSrcSize, dictSize); | |
1714 | DISPLAYLEVEL(5, "Init with windowLog = %u, pledgedSrcSize = %u, dictSize = %u \n", | |
1715 | params.cParams.windowLog, (unsigned)pledgedSrcSize, (unsigned)dictSize); | |
1716 | params.fParams.checksumFlag = FUZ_rand(&lseed) & 1; | |
1717 | params.fParams.noDictIDFlag = FUZ_rand(&lseed) & 1; | |
1718 | params.fParams.contentSizeFlag = FUZ_rand(&lseed) & 1; | |
1719 | DISPLAYLEVEL(5, "checksumFlag : %u \n", params.fParams.checksumFlag); | |
1720 | CHECK_Z( ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_overlapLog, FUZ_rand(&lseed) % 12) ); | |
1721 | CHECK_Z( ZSTDMT_setMTCtxParameter(zc, ZSTDMT_p_jobSize, FUZ_rand(&lseed) % (2*maxTestSize+1)) ); /* custom job size */ | |
1722 | CHECK_Z( ZSTDMT_initCStream_advanced(zc, dict, dictSize, params, pledgedSrcSize) ); | |
1723 | } } } | |
11fdf7f2 TL |
1724 | |
1725 | /* multi-segments compression test */ | |
1726 | XXH64_reset(&xxhState, 0); | |
1727 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; | |
1728 | U32 n; | |
1729 | for (n=0, cSize=0, totalTestSize=0 ; totalTestSize < maxTestSize ; n++) { | |
1730 | /* compress random chunks into randomly sized dst buffers */ | |
1731 | { size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1732 | size_t const srcSize = MIN (maxTestSize-totalTestSize, randomSrcSize); | |
1733 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); | |
1734 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1735 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); | |
1736 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; | |
1737 | outBuff.size = outBuff.pos + dstBuffSize; | |
1738 | ||
9f95a23c | 1739 | DISPLAYLEVEL(6, "Sending %u bytes to compress \n", (unsigned)srcSize); |
11fdf7f2 | 1740 | CHECK_Z( ZSTDMT_compressStream(zc, &outBuff, &inBuff) ); |
9f95a23c | 1741 | DISPLAYLEVEL(6, "%u bytes read by ZSTDMT_compressStream \n", (unsigned)inBuff.pos); |
11fdf7f2 TL |
1742 | |
1743 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); | |
1744 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); | |
1745 | totalTestSize += inBuff.pos; | |
1746 | } | |
1747 | ||
1748 | /* random flush operation, to mess around */ | |
1749 | if ((FUZ_rand(&lseed) & 15) == 0) { | |
1750 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1751 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); | |
9f95a23c | 1752 | size_t const previousPos = outBuff.pos; |
11fdf7f2 | 1753 | outBuff.size = outBuff.pos + adjustedDstSize; |
9f95a23c | 1754 | DISPLAYLEVEL(5, "Flushing into dst buffer of size %u \n", (unsigned)adjustedDstSize); |
11fdf7f2 | 1755 | CHECK_Z( ZSTDMT_flushStream(zc, &outBuff) ); |
9f95a23c TL |
1756 | assert(outBuff.pos >= previousPos); |
1757 | DISPLAYLEVEL(6, "%u bytes flushed by ZSTDMT_flushStream \n", (unsigned)(outBuff.pos-previousPos)); | |
11fdf7f2 TL |
1758 | } } |
1759 | ||
1760 | /* final frame epilogue */ | |
1761 | { size_t remainingToFlush = (size_t)(-1); | |
1762 | while (remainingToFlush) { | |
1763 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1764 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); | |
9f95a23c | 1765 | size_t const previousPos = outBuff.pos; |
11fdf7f2 | 1766 | outBuff.size = outBuff.pos + adjustedDstSize; |
9f95a23c | 1767 | DISPLAYLEVEL(5, "Ending into dst buffer of size %u \n", (unsigned)adjustedDstSize); |
11fdf7f2 TL |
1768 | remainingToFlush = ZSTDMT_endStream(zc, &outBuff); |
1769 | CHECK (ZSTD_isError(remainingToFlush), "ZSTDMT_endStream error : %s", ZSTD_getErrorName(remainingToFlush)); | |
9f95a23c TL |
1770 | assert(outBuff.pos >= previousPos); |
1771 | DISPLAYLEVEL(6, "%u bytes flushed by ZSTDMT_endStream \n", (unsigned)(outBuff.pos-previousPos)); | |
1772 | DISPLAYLEVEL(5, "endStream : remainingToFlush : %u \n", (unsigned)remainingToFlush); | |
11fdf7f2 TL |
1773 | } } |
1774 | crcOrig = XXH64_digest(&xxhState); | |
1775 | cSize = outBuff.pos; | |
9f95a23c TL |
1776 | DISPLAYLEVEL(5, "Frame completed : %u bytes compressed into %u bytes \n", |
1777 | (unsigned)totalTestSize, (unsigned)cSize); | |
11fdf7f2 TL |
1778 | } |
1779 | ||
1780 | /* multi - fragments decompression test */ | |
9f95a23c TL |
1781 | assert(totalTestSize < dstBufferSize); |
1782 | memset(dstBuffer, 170, totalTestSize); /* init dest area */ | |
11fdf7f2 TL |
1783 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { |
1784 | CHECK_Z( ZSTD_resetDStream(zd) ); | |
1785 | } else { | |
1786 | CHECK_Z( ZSTD_initDStream_usingDict(zd, dict, dictSize) ); | |
1787 | } | |
1788 | { size_t decompressionResult = 1; | |
1789 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; | |
1790 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
1791 | for (totalGenSize = 0 ; decompressionResult ; ) { | |
1792 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1793 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1794 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); | |
1795 | inBuff.size = inBuff.pos + readCSrcSize; | |
1796 | outBuff.size = outBuff.pos + dstBuffSize; | |
9f95a23c TL |
1797 | DISPLAYLEVEL(6, "ZSTD_decompressStream input %u bytes into outBuff %u bytes \n", |
1798 | (unsigned)readCSrcSize, (unsigned)dstBuffSize); | |
11fdf7f2 | 1799 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
9f95a23c TL |
1800 | if (ZSTD_isError(decompressionResult)) { |
1801 | DISPLAY("ZSTD_decompressStream error : %s \n", ZSTD_getErrorName(decompressionResult)); | |
1802 | findDiff(copyBuffer, dstBuffer, totalTestSize); | |
1803 | } | |
11fdf7f2 | 1804 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
9f95a23c TL |
1805 | DISPLAYLEVEL(6, "total ingested (inBuff.pos) = %u and produced (outBuff.pos) = %u \n", |
1806 | (unsigned)inBuff.pos, (unsigned)outBuff.pos); | |
11fdf7f2 | 1807 | } |
9f95a23c TL |
1808 | CHECK (outBuff.pos != totalTestSize, |
1809 | "decompressed data : wrong size (%u != %u)", | |
1810 | (unsigned)outBuff.pos, (unsigned)totalTestSize ); | |
1811 | CHECK (inBuff.pos != cSize, | |
1812 | "compressed data should be fully read (%u != %u)", | |
1813 | (unsigned)inBuff.pos, (unsigned)cSize ); | |
11fdf7f2 TL |
1814 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
1815 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); | |
1816 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); | |
1817 | } } | |
1818 | ||
1819 | /*===== noisy/erroneous src decompression test =====*/ | |
1820 | ||
1821 | /* add some noise */ | |
1822 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; | |
1823 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { | |
1824 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1825 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); | |
1826 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); | |
1827 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); | |
1828 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); | |
1829 | } } | |
1830 | ||
1831 | /* try decompression on noisy data */ | |
1832 | CHECK_Z( ZSTD_initDStream(zd_noise) ); /* note : no dictionary */ | |
1833 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; | |
1834 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
1835 | while (outBuff.pos < dstBufferSize) { | |
1836 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1837 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
1838 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); | |
1839 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); | |
1840 | outBuff.size = outBuff.pos + adjustedDstSize; | |
1841 | inBuff.size = inBuff.pos + adjustedCSrcSize; | |
1842 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); | |
1843 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ | |
1844 | /* No forward progress possible */ | |
1845 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; | |
1846 | } } } } | |
1847 | DISPLAY("\r%u fuzzer tests completed \n", testNb); | |
1848 | ||
1849 | _cleanup: | |
1850 | ZSTDMT_freeCCtx(zc); | |
1851 | ZSTD_freeDStream(zd); | |
1852 | ZSTD_freeDStream(zd_noise); | |
1853 | free(cNoiseBuffer[0]); | |
1854 | free(cNoiseBuffer[1]); | |
1855 | free(cNoiseBuffer[2]); | |
1856 | free(cNoiseBuffer[3]); | |
1857 | free(cNoiseBuffer[4]); | |
1858 | free(copyBuffer); | |
1859 | free(cBuffer); | |
1860 | free(dstBuffer); | |
1861 | return result; | |
1862 | ||
1863 | _output_error: | |
1864 | result = 1; | |
1865 | goto _cleanup; | |
1866 | } | |
1867 | ||
1868 | /** If useOpaqueAPI, sets param in cctxParams. | |
1869 | * Otherwise, sets the param in zc. */ | |
1870 | static size_t setCCtxParameter(ZSTD_CCtx* zc, ZSTD_CCtx_params* cctxParams, | |
1871 | ZSTD_cParameter param, unsigned value, | |
9f95a23c | 1872 | int useOpaqueAPI) |
11fdf7f2 TL |
1873 | { |
1874 | if (useOpaqueAPI) { | |
9f95a23c | 1875 | return ZSTD_CCtxParams_setParameter(cctxParams, param, value); |
11fdf7f2 TL |
1876 | } else { |
1877 | return ZSTD_CCtx_setParameter(zc, param, value); | |
1878 | } | |
1879 | } | |
1880 | ||
1881 | /* Tests for ZSTD_compress_generic() API */ | |
9f95a23c TL |
1882 | static int fuzzerTests_newAPI(U32 seed, int nbTests, int startTest, |
1883 | double compressibility, int bigTests) | |
11fdf7f2 TL |
1884 | { |
1885 | U32 const maxSrcLog = bigTests ? 24 : 22; | |
1886 | static const U32 maxSampleLog = 19; | |
1887 | size_t const srcBufferSize = (size_t)1<<maxSrcLog; | |
1888 | BYTE* cNoiseBuffer[5]; | |
1889 | size_t const copyBufferSize= srcBufferSize + (1<<maxSampleLog); | |
1890 | BYTE* const copyBuffer = (BYTE*)malloc (copyBufferSize); | |
1891 | size_t const cBufferSize = ZSTD_compressBound(srcBufferSize); | |
1892 | BYTE* const cBuffer = (BYTE*)malloc (cBufferSize); | |
1893 | size_t const dstBufferSize = srcBufferSize; | |
1894 | BYTE* const dstBuffer = (BYTE*)malloc (dstBufferSize); | |
1895 | U32 result = 0; | |
9f95a23c | 1896 | int testNb = 0; |
11fdf7f2 TL |
1897 | U32 coreSeed = seed; |
1898 | ZSTD_CCtx* zc = ZSTD_createCCtx(); /* will be reset sometimes */ | |
1899 | ZSTD_DStream* zd = ZSTD_createDStream(); /* will be reset sometimes */ | |
1900 | ZSTD_DStream* const zd_noise = ZSTD_createDStream(); | |
9f95a23c | 1901 | UTIL_time_t const startClock = UTIL_getTime(); |
11fdf7f2 TL |
1902 | const BYTE* dict = NULL; /* can keep same dict on 2 consecutive tests */ |
1903 | size_t dictSize = 0; | |
1904 | U32 oldTestLog = 0; | |
1905 | U32 windowLogMalus = 0; /* can survive between 2 loops */ | |
1906 | U32 const cLevelMax = bigTests ? (U32)ZSTD_maxCLevel()-1 : g_cLevelMax_smallTests; | |
1907 | U32 const nbThreadsMax = bigTests ? 4 : 2; | |
1908 | ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams(); | |
1909 | ||
1910 | /* allocations */ | |
1911 | cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize); | |
1912 | cNoiseBuffer[1] = (BYTE*)malloc (srcBufferSize); | |
1913 | cNoiseBuffer[2] = (BYTE*)malloc (srcBufferSize); | |
1914 | cNoiseBuffer[3] = (BYTE*)malloc (srcBufferSize); | |
1915 | cNoiseBuffer[4] = (BYTE*)malloc (srcBufferSize); | |
1916 | CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4] || | |
1917 | !copyBuffer || !dstBuffer || !cBuffer || !zc || !zd || !zd_noise , | |
1918 | "Not enough memory, fuzzer tests cancelled"); | |
1919 | ||
1920 | /* Create initial samples */ | |
1921 | RDG_genBuffer(cNoiseBuffer[0], srcBufferSize, 0.00, 0., coreSeed); /* pure noise */ | |
1922 | RDG_genBuffer(cNoiseBuffer[1], srcBufferSize, 0.05, 0., coreSeed); /* barely compressible */ | |
1923 | RDG_genBuffer(cNoiseBuffer[2], srcBufferSize, compressibility, 0., coreSeed); | |
1924 | RDG_genBuffer(cNoiseBuffer[3], srcBufferSize, 0.95, 0., coreSeed); /* highly compressible */ | |
1925 | RDG_genBuffer(cNoiseBuffer[4], srcBufferSize, 1.00, 0., coreSeed); /* sparse content */ | |
1926 | memset(copyBuffer, 0x65, copyBufferSize); /* make copyBuffer considered initialized */ | |
1927 | CHECK_Z( ZSTD_initDStream_usingDict(zd, NULL, 0) ); /* ensure at least one init */ | |
1928 | ||
1929 | /* catch up testNb */ | |
1930 | for (testNb=1; testNb < startTest; testNb++) | |
1931 | FUZ_rand(&coreSeed); | |
1932 | ||
1933 | /* test loop */ | |
9f95a23c | 1934 | for ( ; (testNb <= nbTests) || (UTIL_clockSpanMicro(startClock) < g_clockTime) ; testNb++ ) { |
11fdf7f2 | 1935 | U32 lseed; |
9f95a23c | 1936 | int opaqueAPI; |
11fdf7f2 TL |
1937 | const BYTE* srcBuffer; |
1938 | size_t totalTestSize, totalGenSize, cSize; | |
1939 | XXH64_state_t xxhState; | |
1940 | U64 crcOrig; | |
1941 | U32 resetAllowed = 1; | |
1942 | size_t maxTestSize; | |
9f95a23c | 1943 | ZSTD_parameters savedParams; |
11fdf7f2 TL |
1944 | |
1945 | /* init */ | |
1946 | if (nbTests >= testNb) { DISPLAYUPDATE(2, "\r%6u/%6u ", testNb, nbTests); } | |
1947 | else { DISPLAYUPDATE(2, "\r%6u ", testNb); } | |
1948 | FUZ_rand(&coreSeed); | |
1949 | lseed = coreSeed ^ prime32; | |
1950 | DISPLAYLEVEL(5, " *** Test %u *** \n", testNb); | |
9f95a23c | 1951 | opaqueAPI = FUZ_rand(&lseed) & 1; |
11fdf7f2 TL |
1952 | |
1953 | /* states full reset (deliberately not synchronized) */ | |
1954 | /* some issues can only happen when reusing states */ | |
1955 | if ((FUZ_rand(&lseed) & 0xFF) == 131) { | |
1956 | DISPLAYLEVEL(5, "Creating new context \n"); | |
1957 | ZSTD_freeCCtx(zc); | |
1958 | zc = ZSTD_createCCtx(); | |
9f95a23c TL |
1959 | CHECK(zc == NULL, "ZSTD_createCCtx allocation error"); |
1960 | resetAllowed = 0; | |
11fdf7f2 TL |
1961 | } |
1962 | if ((FUZ_rand(&lseed) & 0xFF) == 132) { | |
1963 | ZSTD_freeDStream(zd); | |
1964 | zd = ZSTD_createDStream(); | |
9f95a23c | 1965 | CHECK(zd == NULL, "ZSTD_createDStream allocation error"); |
11fdf7f2 TL |
1966 | ZSTD_initDStream_usingDict(zd, NULL, 0); /* ensure at least one init */ |
1967 | } | |
1968 | ||
1969 | /* srcBuffer selection [0-4] */ | |
1970 | { U32 buffNb = FUZ_rand(&lseed) & 0x7F; | |
1971 | if (buffNb & 7) buffNb=2; /* most common : compressible (P) */ | |
1972 | else { | |
1973 | buffNb >>= 3; | |
1974 | if (buffNb & 7) { | |
1975 | const U32 tnb[2] = { 1, 3 }; /* barely/highly compressible */ | |
1976 | buffNb = tnb[buffNb >> 3]; | |
1977 | } else { | |
1978 | const U32 tnb[2] = { 0, 4 }; /* not compressible / sparse */ | |
1979 | buffNb = tnb[buffNb >> 3]; | |
1980 | } } | |
1981 | srcBuffer = cNoiseBuffer[buffNb]; | |
1982 | } | |
1983 | ||
1984 | /* compression init */ | |
1985 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, NULL, 0) ); /* cancel previous dict /*/ | |
1986 | if ((FUZ_rand(&lseed)&1) /* at beginning, to keep same nb of rand */ | |
9f95a23c TL |
1987 | && oldTestLog /* at least one test happened */ |
1988 | && resetAllowed) { | |
1989 | /* just set a compression level */ | |
11fdf7f2 TL |
1990 | maxTestSize = FUZ_randomLength(&lseed, oldTestLog+2); |
1991 | if (maxTestSize >= srcBufferSize) maxTestSize = srcBufferSize-1; | |
1992 | { int const compressionLevel = (FUZ_rand(&lseed) % 5) + 1; | |
9f95a23c TL |
1993 | DISPLAYLEVEL(5, "t%u : compression level : %i \n", testNb, compressionLevel); |
1994 | CHECK_Z (setCCtxParameter(zc, cctxParams, ZSTD_c_compressionLevel, compressionLevel, opaqueAPI) ); | |
11fdf7f2 TL |
1995 | } |
1996 | } else { | |
1997 | U32 const testLog = FUZ_rand(&lseed) % maxSrcLog; | |
1998 | U32 const dictLog = FUZ_rand(&lseed) % maxSrcLog; | |
1999 | U32 const cLevelCandidate = (FUZ_rand(&lseed) % | |
2000 | (ZSTD_maxCLevel() - | |
2001 | (MAX(testLog, dictLog) / 2))) + | |
2002 | 1; | |
9f95a23c TL |
2003 | int const cLevel = MIN(cLevelCandidate, cLevelMax); |
2004 | DISPLAYLEVEL(5, "t%i: base cLevel : %u \n", testNb, cLevel); | |
11fdf7f2 | 2005 | maxTestSize = FUZ_rLogLength(&lseed, testLog); |
9f95a23c | 2006 | DISPLAYLEVEL(5, "t%i: maxTestSize : %u \n", testNb, (unsigned)maxTestSize); |
11fdf7f2 TL |
2007 | oldTestLog = testLog; |
2008 | /* random dictionary selection */ | |
2009 | dictSize = ((FUZ_rand(&lseed)&63)==1) ? FUZ_rLogLength(&lseed, dictLog) : 0; | |
2010 | { size_t const dictStart = FUZ_rand(&lseed) % (srcBufferSize - dictSize); | |
2011 | dict = srcBuffer + dictStart; | |
2012 | if (!dictSize) dict=NULL; | |
2013 | } | |
2014 | { U64 const pledgedSrcSize = (FUZ_rand(&lseed) & 3) ? ZSTD_CONTENTSIZE_UNKNOWN : maxTestSize; | |
2015 | ZSTD_compressionParameters cParams = ZSTD_getCParams(cLevel, pledgedSrcSize, dictSize); | |
9f95a23c TL |
2016 | const U32 windowLogMax = bigTests ? 24 : 20; |
2017 | const U32 searchLogMax = bigTests ? 15 : 13; | |
2018 | if (dictSize) | |
2019 | DISPLAYLEVEL(5, "t%u: with dictionary of size : %zu \n", testNb, dictSize); | |
11fdf7f2 TL |
2020 | |
2021 | /* mess with compression parameters */ | |
2022 | cParams.windowLog += (FUZ_rand(&lseed) & 3) - 1; | |
2023 | cParams.windowLog = MIN(windowLogMax, cParams.windowLog); | |
2024 | cParams.hashLog += (FUZ_rand(&lseed) & 3) - 1; | |
2025 | cParams.chainLog += (FUZ_rand(&lseed) & 3) - 1; | |
2026 | cParams.searchLog += (FUZ_rand(&lseed) & 3) - 1; | |
9f95a23c TL |
2027 | cParams.searchLog = MIN(searchLogMax, cParams.searchLog); |
2028 | cParams.minMatch += (FUZ_rand(&lseed) & 3) - 1; | |
11fdf7f2 | 2029 | cParams.targetLength = (U32)((cParams.targetLength + 1 ) * (0.5 + ((double)(FUZ_rand(&lseed) & 127) / 128))); |
9f95a23c | 2030 | cParams = ZSTD_adjustCParams(cParams, pledgedSrcSize, dictSize); |
11fdf7f2 TL |
2031 | |
2032 | if (FUZ_rand(&lseed) & 1) { | |
9f95a23c TL |
2033 | DISPLAYLEVEL(5, "t%u: windowLog : %u \n", testNb, cParams.windowLog); |
2034 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_windowLog, cParams.windowLog, opaqueAPI) ); | |
11fdf7f2 TL |
2035 | assert(cParams.windowLog >= ZSTD_WINDOWLOG_MIN); /* guaranteed by ZSTD_adjustCParams() */ |
2036 | windowLogMalus = (cParams.windowLog - ZSTD_WINDOWLOG_MIN) / 5; | |
11fdf7f2 TL |
2037 | } |
2038 | if (FUZ_rand(&lseed) & 1) { | |
11fdf7f2 | 2039 | DISPLAYLEVEL(5, "t%u: hashLog : %u \n", testNb, cParams.hashLog); |
9f95a23c | 2040 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_hashLog, cParams.hashLog, opaqueAPI) ); |
11fdf7f2 TL |
2041 | } |
2042 | if (FUZ_rand(&lseed) & 1) { | |
11fdf7f2 | 2043 | DISPLAYLEVEL(5, "t%u: chainLog : %u \n", testNb, cParams.chainLog); |
9f95a23c | 2044 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_chainLog, cParams.chainLog, opaqueAPI) ); |
11fdf7f2 | 2045 | } |
9f95a23c TL |
2046 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_searchLog, cParams.searchLog, opaqueAPI) ); |
2047 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_minMatch, cParams.minMatch, opaqueAPI) ); | |
2048 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_targetLength, cParams.targetLength, opaqueAPI) ); | |
11fdf7f2 TL |
2049 | |
2050 | /* mess with long distance matching parameters */ | |
9f95a23c TL |
2051 | if (bigTests) { |
2052 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_enableLongDistanceMatching, FUZ_rand(&lseed) & 63, opaqueAPI) ); | |
2053 | if (FUZ_rand(&lseed) & 3) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_ldmHashLog, FUZ_randomClampedLength(&lseed, ZSTD_HASHLOG_MIN, 23), opaqueAPI) ); | |
2054 | if (FUZ_rand(&lseed) & 3) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_ldmMinMatch, FUZ_randomClampedLength(&lseed, ZSTD_LDM_MINMATCH_MIN, ZSTD_LDM_MINMATCH_MAX), opaqueAPI) ); | |
2055 | if (FUZ_rand(&lseed) & 3) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_ldmBucketSizeLog, FUZ_randomClampedLength(&lseed, ZSTD_LDM_BUCKETSIZELOG_MIN, ZSTD_LDM_BUCKETSIZELOG_MAX), opaqueAPI) ); | |
2056 | if (FUZ_rand(&lseed) & 3) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_ldmHashRateLog, FUZ_randomClampedLength(&lseed, ZSTD_LDM_HASHRATELOG_MIN, ZSTD_LDM_HASHRATELOG_MAX), opaqueAPI) ); | |
2057 | } | |
11fdf7f2 TL |
2058 | |
2059 | /* mess with frame parameters */ | |
9f95a23c TL |
2060 | if (FUZ_rand(&lseed) & 1) { |
2061 | int const checksumFlag = FUZ_rand(&lseed) & 1; | |
2062 | DISPLAYLEVEL(5, "t%u: frame checksum : %u \n", testNb, checksumFlag); | |
2063 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_checksumFlag, checksumFlag, opaqueAPI) ); | |
2064 | } | |
2065 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_dictIDFlag, FUZ_rand(&lseed) & 1, opaqueAPI) ); | |
2066 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_contentSizeFlag, FUZ_rand(&lseed) & 1, opaqueAPI) ); | |
2067 | if (FUZ_rand(&lseed) & 1) { | |
2068 | DISPLAYLEVEL(5, "t%u: pledgedSrcSize : %u \n", testNb, (unsigned)pledgedSrcSize); | |
2069 | CHECK_Z( ZSTD_CCtx_setPledgedSrcSize(zc, pledgedSrcSize) ); | |
2070 | } | |
2071 | ||
2072 | /* multi-threading parameters. Only adjust occasionally for small tests. */ | |
2073 | if (bigTests || (FUZ_rand(&lseed) & 0xF) == 0xF) { | |
2074 | U32 const nbThreadsCandidate = (FUZ_rand(&lseed) & 4) + 1; | |
11fdf7f2 | 2075 | U32 const nbThreadsAdjusted = (windowLogMalus < nbThreadsCandidate) ? nbThreadsCandidate - windowLogMalus : 1; |
9f95a23c TL |
2076 | int const nbThreads = MIN(nbThreadsAdjusted, nbThreadsMax); |
2077 | DISPLAYLEVEL(5, "t%i: nbThreads : %u \n", testNb, nbThreads); | |
2078 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_nbWorkers, nbThreads, opaqueAPI) ); | |
11fdf7f2 TL |
2079 | if (nbThreads > 1) { |
2080 | U32 const jobLog = FUZ_rand(&lseed) % (testLog+1); | |
9f95a23c TL |
2081 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_overlapLog, FUZ_rand(&lseed) % 10, opaqueAPI) ); |
2082 | CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_jobSize, (U32)FUZ_rLogLength(&lseed, jobLog), opaqueAPI) ); | |
11fdf7f2 TL |
2083 | } |
2084 | } | |
9f95a23c TL |
2085 | /* Enable rsyncable mode 1 in 4 times. */ |
2086 | setCCtxParameter(zc, cctxParams, ZSTD_c_rsyncable, (FUZ_rand(&lseed) % 4 == 0), opaqueAPI); | |
11fdf7f2 | 2087 | |
9f95a23c | 2088 | if (FUZ_rand(&lseed) & 1) CHECK_Z( setCCtxParameter(zc, cctxParams, ZSTD_c_forceMaxWindow, FUZ_rand(&lseed) & 1, opaqueAPI) ); |
11fdf7f2 TL |
2089 | |
2090 | /* Apply parameters */ | |
9f95a23c TL |
2091 | if (opaqueAPI) { |
2092 | DISPLAYLEVEL(5, "t%u: applying CCtxParams \n", testNb); | |
11fdf7f2 TL |
2093 | CHECK_Z (ZSTD_CCtx_setParametersUsingCCtxParams(zc, cctxParams) ); |
2094 | } | |
2095 | ||
2096 | if (FUZ_rand(&lseed) & 1) { | |
2097 | if (FUZ_rand(&lseed) & 1) { | |
2098 | CHECK_Z( ZSTD_CCtx_loadDictionary(zc, dict, dictSize) ); | |
2099 | } else { | |
2100 | CHECK_Z( ZSTD_CCtx_loadDictionary_byReference(zc, dict, dictSize) ); | |
2101 | } | |
11fdf7f2 TL |
2102 | } else { |
2103 | CHECK_Z( ZSTD_CCtx_refPrefix(zc, dict, dictSize) ); | |
2104 | } | |
2105 | } } | |
2106 | ||
9f95a23c TL |
2107 | CHECK_Z(getCCtxParams(zc, &savedParams)); |
2108 | ||
11fdf7f2 TL |
2109 | /* multi-segments compression test */ |
2110 | XXH64_reset(&xxhState, 0); | |
2111 | { ZSTD_outBuffer outBuff = { cBuffer, cBufferSize, 0 } ; | |
2112 | for (cSize=0, totalTestSize=0 ; (totalTestSize < maxTestSize) ; ) { | |
2113 | /* compress random chunks into randomly sized dst buffers */ | |
2114 | size_t const randomSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2115 | size_t const srcSize = MIN(maxTestSize-totalTestSize, randomSrcSize); | |
2116 | size_t const srcStart = FUZ_rand(&lseed) % (srcBufferSize - srcSize); | |
2117 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog+1); | |
2118 | size_t const dstBuffSize = MIN(cBufferSize - cSize, randomDstSize); | |
2119 | ZSTD_EndDirective const flush = (FUZ_rand(&lseed) & 15) ? ZSTD_e_continue : ZSTD_e_flush; | |
2120 | ZSTD_inBuffer inBuff = { srcBuffer+srcStart, srcSize, 0 }; | |
2121 | outBuff.size = outBuff.pos + dstBuffSize; | |
2122 | ||
9f95a23c TL |
2123 | CHECK_Z( ZSTD_compressStream2(zc, &outBuff, &inBuff, flush) ); |
2124 | DISPLAYLEVEL(6, "t%u: compress consumed %u bytes (total : %u) ; flush: %u (total : %u) \n", | |
2125 | testNb, (unsigned)inBuff.pos, (unsigned)(totalTestSize + inBuff.pos), (unsigned)flush, (unsigned)outBuff.pos); | |
11fdf7f2 TL |
2126 | |
2127 | XXH64_update(&xxhState, srcBuffer+srcStart, inBuff.pos); | |
2128 | memcpy(copyBuffer+totalTestSize, srcBuffer+srcStart, inBuff.pos); | |
2129 | totalTestSize += inBuff.pos; | |
2130 | } | |
2131 | ||
2132 | /* final frame epilogue */ | |
9f95a23c | 2133 | { size_t remainingToFlush = 1; |
11fdf7f2 TL |
2134 | while (remainingToFlush) { |
2135 | ZSTD_inBuffer inBuff = { NULL, 0, 0 }; | |
2136 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog+1); | |
2137 | size_t const adjustedDstSize = MIN(cBufferSize - cSize, randomDstSize); | |
2138 | outBuff.size = outBuff.pos + adjustedDstSize; | |
9f95a23c TL |
2139 | DISPLAYLEVEL(6, "t%u: End-flush into dst buffer of size %u \n", testNb, (unsigned)adjustedDstSize); |
2140 | remainingToFlush = ZSTD_compressStream2(zc, &outBuff, &inBuff, ZSTD_e_end); | |
2141 | DISPLAYLEVEL(6, "t%u: Total flushed so far : %u bytes \n", testNb, (unsigned)outBuff.pos); | |
11fdf7f2 | 2142 | CHECK( ZSTD_isError(remainingToFlush), |
9f95a23c | 2143 | "ZSTD_compressStream2 w/ ZSTD_e_end error : %s", |
11fdf7f2 TL |
2144 | ZSTD_getErrorName(remainingToFlush) ); |
2145 | } } | |
2146 | crcOrig = XXH64_digest(&xxhState); | |
2147 | cSize = outBuff.pos; | |
9f95a23c | 2148 | DISPLAYLEVEL(5, "Frame completed : %zu bytes \n", cSize); |
11fdf7f2 TL |
2149 | } |
2150 | ||
9f95a23c TL |
2151 | CHECK(badParameters(zc, savedParams), "CCtx params are wrong"); |
2152 | ||
11fdf7f2 TL |
2153 | /* multi - fragments decompression test */ |
2154 | if (!dictSize /* don't reset if dictionary : could be different */ && (FUZ_rand(&lseed) & 1)) { | |
9f95a23c | 2155 | DISPLAYLEVEL(5, "resetting DCtx (dict:%p) \n", dict); |
11fdf7f2 TL |
2156 | CHECK_Z( ZSTD_resetDStream(zd) ); |
2157 | } else { | |
9f95a23c TL |
2158 | if (dictSize) |
2159 | DISPLAYLEVEL(5, "using dictionary of size %zu \n", dictSize); | |
11fdf7f2 TL |
2160 | CHECK_Z( ZSTD_initDStream_usingDict(zd, dict, dictSize) ); |
2161 | } | |
2162 | { size_t decompressionResult = 1; | |
2163 | ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; | |
2164 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
2165 | for (totalGenSize = 0 ; decompressionResult ; ) { | |
2166 | size_t const readCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2167 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2168 | size_t const dstBuffSize = MIN(dstBufferSize - totalGenSize, randomDstSize); | |
2169 | inBuff.size = inBuff.pos + readCSrcSize; | |
2170 | outBuff.size = outBuff.pos + dstBuffSize; | |
9f95a23c TL |
2171 | DISPLAYLEVEL(6, "decompression presented %u new bytes (pos:%u/%u)\n", |
2172 | (unsigned)readCSrcSize, (unsigned)inBuff.pos, (unsigned)cSize); | |
11fdf7f2 | 2173 | decompressionResult = ZSTD_decompressStream(zd, &outBuff, &inBuff); |
9f95a23c TL |
2174 | DISPLAYLEVEL(6, "so far: consumed = %u, produced = %u \n", |
2175 | (unsigned)inBuff.pos, (unsigned)outBuff.pos); | |
2176 | if (ZSTD_isError(decompressionResult)) { | |
2177 | DISPLAY("ZSTD_decompressStream error : %s \n", ZSTD_getErrorName(decompressionResult)); | |
2178 | findDiff(copyBuffer, dstBuffer, totalTestSize); | |
2179 | } | |
11fdf7f2 | 2180 | CHECK (ZSTD_isError(decompressionResult), "decompression error : %s", ZSTD_getErrorName(decompressionResult)); |
9f95a23c | 2181 | CHECK (inBuff.pos > cSize, "ZSTD_decompressStream consumes too much input : %u > %u ", (unsigned)inBuff.pos, (unsigned)cSize); |
11fdf7f2 | 2182 | } |
9f95a23c TL |
2183 | CHECK (inBuff.pos != cSize, "compressed data should be fully read (%u != %u)", (unsigned)inBuff.pos, (unsigned)cSize); |
2184 | CHECK (outBuff.pos != totalTestSize, "decompressed data : wrong size (%u != %u)", (unsigned)outBuff.pos, (unsigned)totalTestSize); | |
11fdf7f2 TL |
2185 | { U64 const crcDest = XXH64(dstBuffer, totalTestSize, 0); |
2186 | if (crcDest!=crcOrig) findDiff(copyBuffer, dstBuffer, totalTestSize); | |
2187 | CHECK (crcDest!=crcOrig, "decompressed data corrupted"); | |
2188 | } } | |
2189 | ||
2190 | /*===== noisy/erroneous src decompression test =====*/ | |
2191 | ||
2192 | /* add some noise */ | |
2193 | { U32 const nbNoiseChunks = (FUZ_rand(&lseed) & 7) + 2; | |
2194 | U32 nn; for (nn=0; nn<nbNoiseChunks; nn++) { | |
2195 | size_t const randomNoiseSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2196 | size_t const noiseSize = MIN((cSize/3) , randomNoiseSize); | |
2197 | size_t const noiseStart = FUZ_rand(&lseed) % (srcBufferSize - noiseSize); | |
2198 | size_t const cStart = FUZ_rand(&lseed) % (cSize - noiseSize); | |
2199 | memcpy(cBuffer+cStart, srcBuffer+noiseStart, noiseSize); | |
2200 | } } | |
2201 | ||
2202 | /* try decompression on noisy data */ | |
2203 | CHECK_Z( ZSTD_initDStream(zd_noise) ); /* note : no dictionary */ | |
2204 | { ZSTD_inBuffer inBuff = { cBuffer, cSize, 0 }; | |
2205 | ZSTD_outBuffer outBuff= { dstBuffer, dstBufferSize, 0 }; | |
2206 | while (outBuff.pos < dstBufferSize) { | |
2207 | size_t const randomCSrcSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2208 | size_t const randomDstSize = FUZ_randomLength(&lseed, maxSampleLog); | |
2209 | size_t const adjustedDstSize = MIN(dstBufferSize - outBuff.pos, randomDstSize); | |
2210 | size_t const adjustedCSrcSize = MIN(cSize - inBuff.pos, randomCSrcSize); | |
2211 | outBuff.size = outBuff.pos + adjustedDstSize; | |
2212 | inBuff.size = inBuff.pos + adjustedCSrcSize; | |
2213 | { size_t const decompressError = ZSTD_decompressStream(zd, &outBuff, &inBuff); | |
2214 | if (ZSTD_isError(decompressError)) break; /* error correctly detected */ | |
2215 | /* Good so far, but no more progress possible */ | |
2216 | if (outBuff.pos < outBuff.size && inBuff.pos == cSize) break; | |
2217 | } } } } | |
2218 | DISPLAY("\r%u fuzzer tests completed \n", testNb-1); | |
2219 | ||
2220 | _cleanup: | |
2221 | ZSTD_freeCCtx(zc); | |
2222 | ZSTD_freeDStream(zd); | |
2223 | ZSTD_freeDStream(zd_noise); | |
2224 | ZSTD_freeCCtxParams(cctxParams); | |
2225 | free(cNoiseBuffer[0]); | |
2226 | free(cNoiseBuffer[1]); | |
2227 | free(cNoiseBuffer[2]); | |
2228 | free(cNoiseBuffer[3]); | |
2229 | free(cNoiseBuffer[4]); | |
2230 | free(copyBuffer); | |
2231 | free(cBuffer); | |
2232 | free(dstBuffer); | |
2233 | return result; | |
2234 | ||
2235 | _output_error: | |
2236 | result = 1; | |
2237 | goto _cleanup; | |
2238 | } | |
2239 | ||
7c673cae FG |
2240 | /*-******************************************************* |
2241 | * Command line | |
2242 | *********************************************************/ | |
9f95a23c | 2243 | static int FUZ_usage(const char* programName) |
7c673cae FG |
2244 | { |
2245 | DISPLAY( "Usage :\n"); | |
2246 | DISPLAY( " %s [args]\n", programName); | |
2247 | DISPLAY( "\n"); | |
2248 | DISPLAY( "Arguments :\n"); | |
2249 | DISPLAY( " -i# : Nb of tests (default:%u) \n", nbTestsDefault); | |
2250 | DISPLAY( " -s# : Select seed (default:prompt user)\n"); | |
2251 | DISPLAY( " -t# : Select starting test number (default:0)\n"); | |
2252 | DISPLAY( " -P# : Select compressibility in %% (default:%i%%)\n", FUZ_COMPRESSIBILITY_DEFAULT); | |
2253 | DISPLAY( " -v : verbose\n"); | |
2254 | DISPLAY( " -p : pause at the end\n"); | |
2255 | DISPLAY( " -h : display help and exit\n"); | |
2256 | return 0; | |
2257 | } | |
2258 | ||
11fdf7f2 | 2259 | typedef enum { simple_api, mt_api, advanced_api } e_api; |
7c673cae FG |
2260 | |
2261 | int main(int argc, const char** argv) | |
2262 | { | |
9f95a23c TL |
2263 | U32 seed = 0; |
2264 | int seedset = 0; | |
7c673cae FG |
2265 | int nbTests = nbTestsDefault; |
2266 | int testNb = 0; | |
2267 | int proba = FUZ_COMPRESSIBILITY_DEFAULT; | |
9f95a23c | 2268 | int result = 0; |
11fdf7f2 TL |
2269 | int mainPause = 0; |
2270 | int bigTests = (sizeof(size_t) == 8); | |
2271 | e_api selected_api = simple_api; | |
2272 | const char* const programName = argv[0]; | |
9f95a23c | 2273 | int argNb; |
7c673cae FG |
2274 | |
2275 | /* Check command line */ | |
2276 | for(argNb=1; argNb<argc; argNb++) { | |
2277 | const char* argument = argv[argNb]; | |
9f95a23c | 2278 | assert(argument != NULL); |
7c673cae FG |
2279 | |
2280 | /* Parsing commands. Aggregated commands are allowed */ | |
2281 | if (argument[0]=='-') { | |
7c673cae | 2282 | |
11fdf7f2 TL |
2283 | if (!strcmp(argument, "--mt")) { selected_api=mt_api; testNb += !testNb; continue; } |
2284 | if (!strcmp(argument, "--newapi")) { selected_api=advanced_api; testNb += !testNb; continue; } | |
11fdf7f2 TL |
2285 | if (!strcmp(argument, "--no-big-tests")) { bigTests=0; continue; } |
2286 | ||
2287 | argument++; | |
7c673cae FG |
2288 | while (*argument!=0) { |
2289 | switch(*argument) | |
2290 | { | |
2291 | case 'h': | |
2292 | return FUZ_usage(programName); | |
11fdf7f2 | 2293 | |
7c673cae FG |
2294 | case 'v': |
2295 | argument++; | |
11fdf7f2 | 2296 | g_displayLevel++; |
7c673cae | 2297 | break; |
11fdf7f2 | 2298 | |
7c673cae FG |
2299 | case 'q': |
2300 | argument++; | |
2301 | g_displayLevel--; | |
2302 | break; | |
11fdf7f2 | 2303 | |
7c673cae FG |
2304 | case 'p': /* pause at the end */ |
2305 | argument++; | |
2306 | mainPause = 1; | |
2307 | break; | |
2308 | ||
11fdf7f2 | 2309 | case 'i': /* limit tests by nb of iterations (default) */ |
7c673cae FG |
2310 | argument++; |
2311 | nbTests=0; g_clockTime=0; | |
2312 | while ((*argument>='0') && (*argument<='9')) { | |
2313 | nbTests *= 10; | |
2314 | nbTests += *argument - '0'; | |
2315 | argument++; | |
2316 | } | |
2317 | break; | |
2318 | ||
11fdf7f2 | 2319 | case 'T': /* limit tests by time */ |
7c673cae FG |
2320 | argument++; |
2321 | nbTests=0; g_clockTime=0; | |
2322 | while ((*argument>='0') && (*argument<='9')) { | |
2323 | g_clockTime *= 10; | |
2324 | g_clockTime += *argument - '0'; | |
2325 | argument++; | |
2326 | } | |
9f95a23c TL |
2327 | if (*argument=='m') { /* -T1m == -T60 */ |
2328 | g_clockTime *=60, argument++; | |
2329 | if (*argument=='n') argument++; /* -T1mn == -T60 */ | |
2330 | } else if (*argument=='s') argument++; /* -T10s == -T10 */ | |
2331 | g_clockTime *= SEC_TO_MICRO; | |
7c673cae FG |
2332 | break; |
2333 | ||
11fdf7f2 | 2334 | case 's': /* manually select seed */ |
7c673cae | 2335 | argument++; |
7c673cae | 2336 | seedset=1; |
9f95a23c | 2337 | seed=0; |
7c673cae FG |
2338 | while ((*argument>='0') && (*argument<='9')) { |
2339 | seed *= 10; | |
2340 | seed += *argument - '0'; | |
2341 | argument++; | |
2342 | } | |
2343 | break; | |
2344 | ||
11fdf7f2 | 2345 | case 't': /* select starting test number */ |
7c673cae FG |
2346 | argument++; |
2347 | testNb=0; | |
2348 | while ((*argument>='0') && (*argument<='9')) { | |
2349 | testNb *= 10; | |
2350 | testNb += *argument - '0'; | |
2351 | argument++; | |
2352 | } | |
2353 | break; | |
2354 | ||
2355 | case 'P': /* compressibility % */ | |
2356 | argument++; | |
2357 | proba=0; | |
2358 | while ((*argument>='0') && (*argument<='9')) { | |
2359 | proba *= 10; | |
2360 | proba += *argument - '0'; | |
2361 | argument++; | |
2362 | } | |
2363 | if (proba<0) proba=0; | |
2364 | if (proba>100) proba=100; | |
2365 | break; | |
2366 | ||
2367 | default: | |
2368 | return FUZ_usage(programName); | |
2369 | } | |
2370 | } } } /* for(argNb=1; argNb<argc; argNb++) */ | |
2371 | ||
2372 | /* Get Seed */ | |
2373 | DISPLAY("Starting zstream tester (%i-bits, %s)\n", (int)(sizeof(size_t)*8), ZSTD_VERSION_STRING); | |
2374 | ||
2375 | if (!seedset) { | |
2376 | time_t const t = time(NULL); | |
2377 | U32 const h = XXH32(&t, sizeof(t), 1); | |
2378 | seed = h % 10000; | |
2379 | } | |
2380 | ||
9f95a23c | 2381 | DISPLAY("Seed = %u\n", (unsigned)seed); |
7c673cae FG |
2382 | if (proba!=FUZ_COMPRESSIBILITY_DEFAULT) DISPLAY("Compressibility : %i%%\n", proba); |
2383 | ||
2384 | if (nbTests<=0) nbTests=1; | |
2385 | ||
2386 | if (testNb==0) { | |
9f95a23c | 2387 | result = basicUnitTests(0, ((double)proba) / 100); /* constant seed for predictability */ |
11fdf7f2 | 2388 | } |
7c673cae | 2389 | |
11fdf7f2 TL |
2390 | if (!result) { |
2391 | switch(selected_api) | |
2392 | { | |
2393 | case simple_api : | |
2394 | result = fuzzerTests(seed, nbTests, testNb, ((double)proba) / 100, bigTests); | |
2395 | break; | |
2396 | case mt_api : | |
2397 | result = fuzzerTests_MT(seed, nbTests, testNb, ((double)proba) / 100, bigTests); | |
2398 | break; | |
2399 | case advanced_api : | |
9f95a23c | 2400 | result = fuzzerTests_newAPI(seed, nbTests, testNb, ((double)proba) / 100, bigTests); |
11fdf7f2 TL |
2401 | break; |
2402 | default : | |
2403 | assert(0); /* impossible */ | |
2404 | } | |
2405 | } | |
7c673cae FG |
2406 | |
2407 | if (mainPause) { | |
2408 | int unused; | |
2409 | DISPLAY("Press Enter \n"); | |
2410 | unused = getchar(); | |
2411 | (void)unused; | |
2412 | } | |
2413 | return result; | |
2414 | } |