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| 1 // Copyright 2005, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 // Utility functions and classes used by the Google C++ testing framework. | |
| 31 // | |
| 32 // Author: wan@google.com (Zhanyong Wan) | |
| 33 // | |
| 34 // This file contains purely Google Test's internal implementation. Please | |
| 35 // DO NOT #INCLUDE IT IN A USER PROGRAM. | |
| 36 | |
| 37 #ifndef GTEST_SRC_GTEST_INTERNAL_INL_H_ | |
| 38 #define GTEST_SRC_GTEST_INTERNAL_INL_H_ | |
| 39 | |
| 40 // GTEST_IMPLEMENTATION_ is defined to 1 iff the current translation unit is | |
| 41 // part of Google Test's implementation; otherwise it's undefined. | |
| 42 #if !GTEST_IMPLEMENTATION_ | |
| 43 // A user is trying to include this from his code - just say no. | |
| 44 #error "gtest-internal-inl.h is part of Google Test's internal implementation." | |
| 45 #error "It must not be included except by Google Test itself." | |
| 46 #endif // GTEST_IMPLEMENTATION_ | |
| 47 | |
| 48 #ifndef _WIN32_WCE | |
| 49 #include <errno.h> | |
| 50 #endif // !_WIN32_WCE | |
| 51 #include <stddef.h> | |
| 52 #include <stdlib.h> // For strtoll/_strtoul64/malloc/free. | |
| 53 #include <string.h> // For memmove. | |
| 54 | |
| 55 #include <string> | |
| 56 | |
| 57 #include <gtest/internal/gtest-port.h> | |
| 58 | |
| 59 #if GTEST_OS_WINDOWS | |
| 60 #include <windows.h> // For DWORD. | |
| 61 #endif // GTEST_OS_WINDOWS | |
| 62 | |
| 63 #include <gtest/gtest.h> | |
| 64 #include <gtest/gtest-spi.h> | |
| 65 | |
| 66 namespace testing { | |
| 67 | |
| 68 // Declares the flags. | |
| 69 // | |
| 70 // We don't want the users to modify this flag in the code, but want | |
| 71 // Google Test's own unit tests to be able to access it. Therefore we | |
| 72 // declare it here as opposed to in gtest.h. | |
| 73 GTEST_DECLARE_bool_(death_test_use_fork); | |
| 74 | |
| 75 namespace internal { | |
| 76 | |
| 77 // The value of GetTestTypeId() as seen from within the Google Test | |
| 78 // library. This is solely for testing GetTestTypeId(). | |
| 79 extern const TypeId kTestTypeIdInGoogleTest; | |
| 80 | |
| 81 // Names of the flags (needed for parsing Google Test flags). | |
| 82 const char kAlsoRunDisabledTestsFlag[] = "also_run_disabled_tests"; | |
| 83 const char kBreakOnFailureFlag[] = "break_on_failure"; | |
| 84 const char kCatchExceptionsFlag[] = "catch_exceptions"; | |
| 85 const char kColorFlag[] = "color"; | |
| 86 const char kFilterFlag[] = "filter"; | |
| 87 const char kListTestsFlag[] = "list_tests"; | |
| 88 const char kOutputFlag[] = "output"; | |
| 89 const char kPrintTimeFlag[] = "print_time"; | |
| 90 const char kRandomSeedFlag[] = "random_seed"; | |
| 91 const char kRepeatFlag[] = "repeat"; | |
| 92 const char kShuffleFlag[] = "shuffle"; | |
| 93 const char kStackTraceDepthFlag[] = "stack_trace_depth"; | |
| 94 const char kThrowOnFailureFlag[] = "throw_on_failure"; | |
| 95 | |
| 96 // A valid random seed must be in [1, kMaxRandomSeed]. | |
| 97 const int kMaxRandomSeed = 99999; | |
| 98 | |
| 99 // Returns the current time in milliseconds. | |
| 100 TimeInMillis GetTimeInMillis(); | |
| 101 | |
| 102 // Returns a random seed in range [1, kMaxRandomSeed] based on the | |
| 103 // given --gtest_random_seed flag value. | |
| 104 inline int GetRandomSeedFromFlag(Int32 random_seed_flag) { | |
| 105 const unsigned int raw_seed = (random_seed_flag == 0) ? | |
| 106 static_cast<unsigned int>(GetTimeInMillis()) : | |
| 107 static_cast<unsigned int>(random_seed_flag); | |
| 108 | |
| 109 // Normalizes the actual seed to range [1, kMaxRandomSeed] such that | |
| 110 // it's easy to type. | |
| 111 const int normalized_seed = | |
| 112 static_cast<int>((raw_seed - 1U) % | |
| 113 static_cast<unsigned int>(kMaxRandomSeed)) + 1; | |
| 114 return normalized_seed; | |
| 115 } | |
| 116 | |
| 117 // Returns the first valid random seed after 'seed'. The behavior is | |
| 118 // undefined if 'seed' is invalid. The seed after kMaxRandomSeed is | |
| 119 // considered to be 1. | |
| 120 inline int GetNextRandomSeed(int seed) { | |
| 121 GTEST_CHECK_(1 <= seed && seed <= kMaxRandomSeed) | |
| 122 << "Invalid random seed " << seed << " - must be in [1, " | |
| 123 << kMaxRandomSeed << "]."; | |
| 124 const int next_seed = seed + 1; | |
| 125 return (next_seed > kMaxRandomSeed) ? 1 : next_seed; | |
| 126 } | |
| 127 | |
| 128 // This class saves the values of all Google Test flags in its c'tor, and | |
| 129 // restores them in its d'tor. | |
| 130 class GTestFlagSaver { | |
| 131 public: | |
| 132 // The c'tor. | |
| 133 GTestFlagSaver() { | |
| 134 also_run_disabled_tests_ = GTEST_FLAG(also_run_disabled_tests); | |
| 135 break_on_failure_ = GTEST_FLAG(break_on_failure); | |
| 136 catch_exceptions_ = GTEST_FLAG(catch_exceptions); | |
| 137 color_ = GTEST_FLAG(color); | |
| 138 death_test_style_ = GTEST_FLAG(death_test_style); | |
| 139 death_test_use_fork_ = GTEST_FLAG(death_test_use_fork); | |
| 140 filter_ = GTEST_FLAG(filter); | |
| 141 internal_run_death_test_ = GTEST_FLAG(internal_run_death_test); | |
| 142 list_tests_ = GTEST_FLAG(list_tests); | |
| 143 output_ = GTEST_FLAG(output); | |
| 144 print_time_ = GTEST_FLAG(print_time); | |
| 145 random_seed_ = GTEST_FLAG(random_seed); | |
| 146 repeat_ = GTEST_FLAG(repeat); | |
| 147 shuffle_ = GTEST_FLAG(shuffle); | |
| 148 stack_trace_depth_ = GTEST_FLAG(stack_trace_depth); | |
| 149 throw_on_failure_ = GTEST_FLAG(throw_on_failure); | |
| 150 } | |
| 151 | |
| 152 // The d'tor is not virtual. DO NOT INHERIT FROM THIS CLASS. | |
| 153 ~GTestFlagSaver() { | |
| 154 GTEST_FLAG(also_run_disabled_tests) = also_run_disabled_tests_; | |
| 155 GTEST_FLAG(break_on_failure) = break_on_failure_; | |
| 156 GTEST_FLAG(catch_exceptions) = catch_exceptions_; | |
| 157 GTEST_FLAG(color) = color_; | |
| 158 GTEST_FLAG(death_test_style) = death_test_style_; | |
| 159 GTEST_FLAG(death_test_use_fork) = death_test_use_fork_; | |
| 160 GTEST_FLAG(filter) = filter_; | |
| 161 GTEST_FLAG(internal_run_death_test) = internal_run_death_test_; | |
| 162 GTEST_FLAG(list_tests) = list_tests_; | |
| 163 GTEST_FLAG(output) = output_; | |
| 164 GTEST_FLAG(print_time) = print_time_; | |
| 165 GTEST_FLAG(random_seed) = random_seed_; | |
| 166 GTEST_FLAG(repeat) = repeat_; | |
| 167 GTEST_FLAG(shuffle) = shuffle_; | |
| 168 GTEST_FLAG(stack_trace_depth) = stack_trace_depth_; | |
| 169 GTEST_FLAG(throw_on_failure) = throw_on_failure_; | |
| 170 } | |
| 171 private: | |
| 172 // Fields for saving the original values of flags. | |
| 173 bool also_run_disabled_tests_; | |
| 174 bool break_on_failure_; | |
| 175 bool catch_exceptions_; | |
| 176 String color_; | |
| 177 String death_test_style_; | |
| 178 bool death_test_use_fork_; | |
| 179 String filter_; | |
| 180 String internal_run_death_test_; | |
| 181 bool list_tests_; | |
| 182 String output_; | |
| 183 bool print_time_; | |
| 184 bool pretty_; | |
| 185 internal::Int32 random_seed_; | |
| 186 internal::Int32 repeat_; | |
| 187 bool shuffle_; | |
| 188 internal::Int32 stack_trace_depth_; | |
| 189 bool throw_on_failure_; | |
| 190 } GTEST_ATTRIBUTE_UNUSED_; | |
| 191 | |
| 192 // Converts a Unicode code point to a narrow string in UTF-8 encoding. | |
| 193 // code_point parameter is of type UInt32 because wchar_t may not be | |
| 194 // wide enough to contain a code point. | |
| 195 // The output buffer str must containt at least 32 characters. | |
| 196 // The function returns the address of the output buffer. | |
| 197 // If the code_point is not a valid Unicode code point | |
| 198 // (i.e. outside of Unicode range U+0 to U+10FFFF) it will be output | |
| 199 // as '(Invalid Unicode 0xXXXXXXXX)'. | |
| 200 char* CodePointToUtf8(UInt32 code_point, char* str); | |
| 201 | |
| 202 // Converts a wide string to a narrow string in UTF-8 encoding. | |
| 203 // The wide string is assumed to have the following encoding: | |
| 204 // UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS) | |
| 205 // UTF-32 if sizeof(wchar_t) == 4 (on Linux) | |
| 206 // Parameter str points to a null-terminated wide string. | |
| 207 // Parameter num_chars may additionally limit the number | |
| 208 // of wchar_t characters processed. -1 is used when the entire string | |
| 209 // should be processed. | |
| 210 // If the string contains code points that are not valid Unicode code points | |
| 211 // (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output | |
| 212 // as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding | |
| 213 // and contains invalid UTF-16 surrogate pairs, values in those pairs | |
| 214 // will be encoded as individual Unicode characters from Basic Normal Plane. | |
| 215 String WideStringToUtf8(const wchar_t* str, int num_chars); | |
| 216 | |
| 217 // Returns the number of active threads, or 0 when there is an error. | |
| 218 size_t GetThreadCount(); | |
| 219 | |
| 220 // Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file | |
| 221 // if the variable is present. If a file already exists at this location, this | |
| 222 // function will write over it. If the variable is present, but the file cannot | |
| 223 // be created, prints an error and exits. | |
| 224 void WriteToShardStatusFileIfNeeded(); | |
| 225 | |
| 226 // Checks whether sharding is enabled by examining the relevant | |
| 227 // environment variable values. If the variables are present, | |
| 228 // but inconsistent (e.g., shard_index >= total_shards), prints | |
| 229 // an error and exits. If in_subprocess_for_death_test, sharding is | |
| 230 // disabled because it must only be applied to the original test | |
| 231 // process. Otherwise, we could filter out death tests we intended to execute. | |
| 232 bool ShouldShard(const char* total_shards_str, const char* shard_index_str, | |
| 233 bool in_subprocess_for_death_test); | |
| 234 | |
| 235 // Parses the environment variable var as an Int32. If it is unset, | |
| 236 // returns default_val. If it is not an Int32, prints an error and | |
| 237 // and aborts. | |
| 238 Int32 Int32FromEnvOrDie(const char* env_var, Int32 default_val); | |
| 239 | |
| 240 // Given the total number of shards, the shard index, and the test id, | |
| 241 // returns true iff the test should be run on this shard. The test id is | |
| 242 // some arbitrary but unique non-negative integer assigned to each test | |
| 243 // method. Assumes that 0 <= shard_index < total_shards. | |
| 244 bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id); | |
| 245 | |
| 246 // Vector is an ordered container that supports random access to the | |
| 247 // elements. | |
| 248 // | |
| 249 // We cannot use std::vector, as Visual C++ 7.1's implementation of | |
| 250 // STL has problems compiling when exceptions are disabled. There is | |
| 251 // a hack to work around the problems, but we've seen cases where the | |
| 252 // hack fails to work. | |
| 253 // | |
| 254 // The element type must support copy constructor and operator=. | |
| 255 template <typename E> // E is the element type. | |
| 256 class Vector { | |
| 257 public: | |
| 258 // Creates an empty Vector. | |
| 259 Vector() : elements_(NULL), capacity_(0), size_(0) {} | |
| 260 | |
| 261 // D'tor. | |
| 262 virtual ~Vector() { Clear(); } | |
| 263 | |
| 264 // Clears the Vector. | |
| 265 void Clear() { | |
| 266 if (elements_ != NULL) { | |
| 267 for (int i = 0; i < size_; i++) { | |
| 268 delete elements_[i]; | |
| 269 } | |
| 270 | |
| 271 free(elements_); | |
| 272 elements_ = NULL; | |
| 273 capacity_ = size_ = 0; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 // Gets the number of elements. | |
| 278 int size() const { return size_; } | |
| 279 | |
| 280 // Adds an element to the end of the Vector. A copy of the element | |
| 281 // is created using the copy constructor, and then stored in the | |
| 282 // Vector. Changes made to the element in the Vector doesn't affect | |
| 283 // the source object, and vice versa. | |
| 284 void PushBack(const E& element) { Insert(element, size_); } | |
| 285 | |
| 286 // Adds an element to the beginning of this Vector. | |
| 287 void PushFront(const E& element) { Insert(element, 0); } | |
| 288 | |
| 289 // Removes an element from the beginning of this Vector. If the | |
| 290 // result argument is not NULL, the removed element is stored in the | |
| 291 // memory it points to. Otherwise the element is thrown away. | |
| 292 // Returns true iff the vector wasn't empty before the operation. | |
| 293 bool PopFront(E* result) { | |
| 294 if (size_ == 0) | |
| 295 return false; | |
| 296 | |
| 297 if (result != NULL) | |
| 298 *result = GetElement(0); | |
| 299 | |
| 300 Erase(0); | |
| 301 return true; | |
| 302 } | |
| 303 | |
| 304 // Inserts an element at the given index. It's the caller's | |
| 305 // responsibility to ensure that the given index is in the range [0, | |
| 306 // size()]. | |
| 307 void Insert(const E& element, int index) { | |
| 308 GrowIfNeeded(); | |
| 309 MoveElements(index, size_ - index, index + 1); | |
| 310 elements_[index] = new E(element); | |
| 311 size_++; | |
| 312 } | |
| 313 | |
| 314 // Erases the element at the specified index, or aborts the program if the | |
| 315 // index is not in range [0, size()). | |
| 316 void Erase(int index) { | |
| 317 GTEST_CHECK_(0 <= index && index < size_) | |
| 318 << "Invalid Vector index " << index << ": must be in range [0, " | |
| 319 << (size_ - 1) << "]."; | |
| 320 | |
| 321 delete elements_[index]; | |
| 322 MoveElements(index + 1, size_ - index - 1, index); | |
| 323 size_--; | |
| 324 } | |
| 325 | |
| 326 // Returns the number of elements that satisfy a given predicate. | |
| 327 // The parameter 'predicate' is a Boolean function or functor that | |
| 328 // accepts a 'const E &', where E is the element type. | |
| 329 template <typename P> // P is the type of the predicate function/functor | |
| 330 int CountIf(P predicate) const { | |
| 331 int count = 0; | |
| 332 for (int i = 0; i < size_; i++) { | |
| 333 if (predicate(*(elements_[i]))) { | |
| 334 count++; | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 return count; | |
| 339 } | |
| 340 | |
| 341 // Applies a function/functor to each element in the Vector. The | |
| 342 // parameter 'functor' is a function/functor that accepts a 'const | |
| 343 // E &', where E is the element type. This method does not change | |
| 344 // the elements. | |
| 345 template <typename F> // F is the type of the function/functor | |
| 346 void ForEach(F functor) const { | |
| 347 for (int i = 0; i < size_; i++) { | |
| 348 functor(*(elements_[i])); | |
| 349 } | |
| 350 } | |
| 351 | |
| 352 // Returns the first node whose element satisfies a given predicate, | |
| 353 // or NULL if none is found. The parameter 'predicate' is a | |
| 354 // function/functor that accepts a 'const E &', where E is the | |
| 355 // element type. This method does not change the elements. | |
| 356 template <typename P> // P is the type of the predicate function/functor. | |
| 357 const E* FindIf(P predicate) const { | |
| 358 for (int i = 0; i < size_; i++) { | |
| 359 if (predicate(*elements_[i])) { | |
| 360 return elements_[i]; | |
| 361 } | |
| 362 } | |
| 363 return NULL; | |
| 364 } | |
| 365 | |
| 366 template <typename P> | |
| 367 E* FindIf(P predicate) { | |
| 368 for (int i = 0; i < size_; i++) { | |
| 369 if (predicate(*elements_[i])) { | |
| 370 return elements_[i]; | |
| 371 } | |
| 372 } | |
| 373 return NULL; | |
| 374 } | |
| 375 | |
| 376 // Returns the i-th element of the Vector, or aborts the program if i | |
| 377 // is not in range [0, size()). | |
| 378 const E& GetElement(int i) const { | |
| 379 GTEST_CHECK_(0 <= i && i < size_) | |
| 380 << "Invalid Vector index " << i << ": must be in range [0, " | |
| 381 << (size_ - 1) << "]."; | |
| 382 | |
| 383 return *(elements_[i]); | |
| 384 } | |
| 385 | |
| 386 // Returns a mutable reference to the i-th element of the Vector, or | |
| 387 // aborts the program if i is not in range [0, size()). | |
| 388 E& GetMutableElement(int i) { | |
| 389 GTEST_CHECK_(0 <= i && i < size_) | |
| 390 << "Invalid Vector index " << i << ": must be in range [0, " | |
| 391 << (size_ - 1) << "]."; | |
| 392 | |
| 393 return *(elements_[i]); | |
| 394 } | |
| 395 | |
| 396 // Returns the i-th element of the Vector, or default_value if i is not | |
| 397 // in range [0, size()). | |
| 398 E GetElementOr(int i, E default_value) const { | |
| 399 return (i < 0 || i >= size_) ? default_value : *(elements_[i]); | |
| 400 } | |
| 401 | |
| 402 // Swaps the i-th and j-th elements of the Vector. Crashes if i or | |
| 403 // j is invalid. | |
| 404 void Swap(int i, int j) { | |
| 405 GTEST_CHECK_(0 <= i && i < size_) | |
| 406 << "Invalid first swap element " << i << ": must be in range [0, " | |
| 407 << (size_ - 1) << "]."; | |
| 408 GTEST_CHECK_(0 <= j && j < size_) | |
| 409 << "Invalid second swap element " << j << ": must be in range [0, " | |
| 410 << (size_ - 1) << "]."; | |
| 411 | |
| 412 E* const temp = elements_[i]; | |
| 413 elements_[i] = elements_[j]; | |
| 414 elements_[j] = temp; | |
| 415 } | |
| 416 | |
| 417 // Performs an in-place shuffle of a range of this Vector's nodes. | |
| 418 // 'begin' and 'end' are element indices as an STL-style range; | |
| 419 // i.e. [begin, end) are shuffled, where 'end' == size() means to | |
| 420 // shuffle to the end of the Vector. | |
| 421 void ShuffleRange(internal::Random* random, int begin, int end) { | |
| 422 GTEST_CHECK_(0 <= begin && begin <= size_) | |
| 423 << "Invalid shuffle range start " << begin << ": must be in range [0, " | |
| 424 << size_ << "]."; | |
| 425 GTEST_CHECK_(begin <= end && end <= size_) | |
| 426 << "Invalid shuffle range finish " << end << ": must be in range [" | |
| 427 << begin << ", " << size_ << "]."; | |
| 428 | |
| 429 // Fisher-Yates shuffle, from | |
| 430 // http://en.wikipedia.org/wiki/Fisher-Yates_shuffle | |
| 431 for (int range_width = end - begin; range_width >= 2; range_width--) { | |
| 432 const int last_in_range = begin + range_width - 1; | |
| 433 const int selected = begin + random->Generate(range_width); | |
| 434 Swap(selected, last_in_range); | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 // Performs an in-place shuffle of this Vector's nodes. | |
| 439 void Shuffle(internal::Random* random) { | |
| 440 ShuffleRange(random, 0, size()); | |
| 441 } | |
| 442 | |
| 443 // Returns a copy of this Vector. | |
| 444 Vector* Clone() const { | |
| 445 Vector* const clone = new Vector; | |
| 446 clone->Reserve(size_); | |
| 447 for (int i = 0; i < size_; i++) { | |
| 448 clone->PushBack(GetElement(i)); | |
| 449 } | |
| 450 return clone; | |
| 451 } | |
| 452 | |
| 453 private: | |
| 454 // Makes sure this Vector's capacity is at least the given value. | |
| 455 void Reserve(int new_capacity) { | |
| 456 if (new_capacity <= capacity_) | |
| 457 return; | |
| 458 | |
| 459 capacity_ = new_capacity; | |
| 460 elements_ = static_cast<E**>( | |
| 461 realloc(elements_, capacity_*sizeof(elements_[0]))); | |
| 462 } | |
| 463 | |
| 464 // Grows the buffer if it is not big enough to hold one more element. | |
| 465 void GrowIfNeeded() { | |
| 466 if (size_ < capacity_) | |
| 467 return; | |
| 468 | |
| 469 // Exponential bump-up is necessary to ensure that inserting N | |
| 470 // elements is O(N) instead of O(N^2). The factor 3/2 means that | |
| 471 // no more than 1/3 of the slots are wasted. | |
| 472 const int new_capacity = 3*(capacity_/2 + 1); | |
| 473 GTEST_CHECK_(new_capacity > capacity_) // Does the new capacity overflow? | |
| 474 << "Cannot grow a Vector with " << capacity_ << " elements already."; | |
| 475 Reserve(new_capacity); | |
| 476 } | |
| 477 | |
| 478 // Moves the give consecutive elements to a new index in the Vector. | |
| 479 void MoveElements(int source, int count, int dest) { | |
| 480 memmove(elements_ + dest, elements_ + source, count*sizeof(elements_[0])); | |
| 481 } | |
| 482 | |
| 483 E** elements_; | |
| 484 int capacity_; // The number of elements allocated for elements_. | |
| 485 int size_; // The number of elements; in the range [0, capacity_]. | |
| 486 | |
| 487 // We disallow copying Vector. | |
| 488 GTEST_DISALLOW_COPY_AND_ASSIGN_(Vector); | |
| 489 }; // class Vector | |
| 490 | |
| 491 // A function for deleting an object. Handy for being used as a | |
| 492 // functor. | |
| 493 template <typename T> | |
| 494 static void Delete(T * x) { | |
| 495 delete x; | |
| 496 } | |
| 497 | |
| 498 // A predicate that checks the key of a TestProperty against a known key. | |
| 499 // | |
| 500 // TestPropertyKeyIs is copyable. | |
| 501 class TestPropertyKeyIs { | |
| 502 public: | |
| 503 // Constructor. | |
| 504 // | |
| 505 // TestPropertyKeyIs has NO default constructor. | |
| 506 explicit TestPropertyKeyIs(const char* key) | |
| 507 : key_(key) {} | |
| 508 | |
| 509 // Returns true iff the test name of test property matches on key_. | |
| 510 bool operator()(const TestProperty& test_property) const { | |
| 511 return String(test_property.key()).Compare(key_) == 0; | |
| 512 } | |
| 513 | |
| 514 private: | |
| 515 String key_; | |
| 516 }; | |
| 517 | |
| 518 class TestInfoImpl { | |
| 519 public: | |
| 520 TestInfoImpl(TestInfo* parent, const char* test_case_name, | |
| 521 const char* name, const char* test_case_comment, | |
| 522 const char* comment, TypeId fixture_class_id, | |
| 523 internal::TestFactoryBase* factory); | |
| 524 ~TestInfoImpl(); | |
| 525 | |
| 526 // Returns true if this test should run. | |
| 527 bool should_run() const { return should_run_; } | |
| 528 | |
| 529 // Sets the should_run member. | |
| 530 void set_should_run(bool should) { should_run_ = should; } | |
| 531 | |
| 532 // Returns true if this test is disabled. Disabled tests are not run. | |
| 533 bool is_disabled() const { return is_disabled_; } | |
| 534 | |
| 535 // Sets the is_disabled member. | |
| 536 void set_is_disabled(bool is) { is_disabled_ = is; } | |
| 537 | |
| 538 // Returns true if this test matches the filter specified by the user. | |
| 539 bool matches_filter() const { return matches_filter_; } | |
| 540 | |
| 541 // Sets the matches_filter member. | |
| 542 void set_matches_filter(bool matches) { matches_filter_ = matches; } | |
| 543 | |
| 544 // Returns the test case name. | |
| 545 const char* test_case_name() const { return test_case_name_.c_str(); } | |
| 546 | |
| 547 // Returns the test name. | |
| 548 const char* name() const { return name_.c_str(); } | |
| 549 | |
| 550 // Returns the test case comment. | |
| 551 const char* test_case_comment() const { return test_case_comment_.c_str(); } | |
| 552 | |
| 553 // Returns the test comment. | |
| 554 const char* comment() const { return comment_.c_str(); } | |
| 555 | |
| 556 // Returns the ID of the test fixture class. | |
| 557 TypeId fixture_class_id() const { return fixture_class_id_; } | |
| 558 | |
| 559 // Returns the test result. | |
| 560 TestResult* result() { return &result_; } | |
| 561 const TestResult* result() const { return &result_; } | |
| 562 | |
| 563 // Creates the test object, runs it, records its result, and then | |
| 564 // deletes it. | |
| 565 void Run(); | |
| 566 | |
| 567 // Clears the test result. | |
| 568 void ClearResult() { result_.Clear(); } | |
| 569 | |
| 570 // Clears the test result in the given TestInfo object. | |
| 571 static void ClearTestResult(TestInfo * test_info) { | |
| 572 test_info->impl()->ClearResult(); | |
| 573 } | |
| 574 | |
| 575 private: | |
| 576 // These fields are immutable properties of the test. | |
| 577 TestInfo* const parent_; // The owner of this object | |
| 578 const String test_case_name_; // Test case name | |
| 579 const String name_; // Test name | |
| 580 const String test_case_comment_; // Test case comment | |
| 581 const String comment_; // Test comment | |
| 582 const TypeId fixture_class_id_; // ID of the test fixture class | |
| 583 bool should_run_; // True iff this test should run | |
| 584 bool is_disabled_; // True iff this test is disabled | |
| 585 bool matches_filter_; // True if this test matches the | |
| 586 // user-specified filter. | |
| 587 internal::TestFactoryBase* const factory_; // The factory that creates | |
| 588 // the test object | |
| 589 | |
| 590 // This field is mutable and needs to be reset before running the | |
| 591 // test for the second time. | |
| 592 TestResult result_; | |
| 593 | |
| 594 GTEST_DISALLOW_COPY_AND_ASSIGN_(TestInfoImpl); | |
| 595 }; | |
| 596 | |
| 597 // Class UnitTestOptions. | |
| 598 // | |
| 599 // This class contains functions for processing options the user | |
| 600 // specifies when running the tests. It has only static members. | |
| 601 // | |
| 602 // In most cases, the user can specify an option using either an | |
| 603 // environment variable or a command line flag. E.g. you can set the | |
| 604 // test filter using either GTEST_FILTER or --gtest_filter. If both | |
| 605 // the variable and the flag are present, the latter overrides the | |
| 606 // former. | |
| 607 class UnitTestOptions { | |
| 608 public: | |
| 609 // Functions for processing the gtest_output flag. | |
| 610 | |
| 611 // Returns the output format, or "" for normal printed output. | |
| 612 static String GetOutputFormat(); | |
| 613 | |
| 614 // Returns the absolute path of the requested output file, or the | |
| 615 // default (test_detail.xml in the original working directory) if | |
| 616 // none was explicitly specified. | |
| 617 static String GetAbsolutePathToOutputFile(); | |
| 618 | |
| 619 // Functions for processing the gtest_filter flag. | |
| 620 | |
| 621 // Returns true iff the wildcard pattern matches the string. The | |
| 622 // first ':' or '\0' character in pattern marks the end of it. | |
| 623 // | |
| 624 // This recursive algorithm isn't very efficient, but is clear and | |
| 625 // works well enough for matching test names, which are short. | |
| 626 static bool PatternMatchesString(const char *pattern, const char *str); | |
| 627 | |
| 628 // Returns true iff the user-specified filter matches the test case | |
| 629 // name and the test name. | |
| 630 static bool FilterMatchesTest(const String &test_case_name, | |
| 631 const String &test_name); | |
| 632 | |
| 633 #if GTEST_OS_WINDOWS | |
| 634 // Function for supporting the gtest_catch_exception flag. | |
| 635 | |
| 636 // Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the | |
| 637 // given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise. | |
| 638 // This function is useful as an __except condition. | |
| 639 static int GTestShouldProcessSEH(DWORD exception_code); | |
| 640 #endif // GTEST_OS_WINDOWS | |
| 641 | |
| 642 // Returns true if "name" matches the ':' separated list of glob-style | |
| 643 // filters in "filter". | |
| 644 static bool MatchesFilter(const String& name, const char* filter); | |
| 645 }; | |
| 646 | |
| 647 // Returns the current application's name, removing directory path if that | |
| 648 // is present. Used by UnitTestOptions::GetOutputFile. | |
| 649 FilePath GetCurrentExecutableName(); | |
| 650 | |
| 651 // The role interface for getting the OS stack trace as a string. | |
| 652 class OsStackTraceGetterInterface { | |
| 653 public: | |
| 654 OsStackTraceGetterInterface() {} | |
| 655 virtual ~OsStackTraceGetterInterface() {} | |
| 656 | |
| 657 // Returns the current OS stack trace as a String. Parameters: | |
| 658 // | |
| 659 // max_depth - the maximum number of stack frames to be included | |
| 660 // in the trace. | |
| 661 // skip_count - the number of top frames to be skipped; doesn't count | |
| 662 // against max_depth. | |
| 663 virtual String CurrentStackTrace(int max_depth, int skip_count) = 0; | |
| 664 | |
| 665 // UponLeavingGTest() should be called immediately before Google Test calls | |
| 666 // user code. It saves some information about the current stack that | |
| 667 // CurrentStackTrace() will use to find and hide Google Test stack frames. | |
| 668 virtual void UponLeavingGTest() = 0; | |
| 669 | |
| 670 private: | |
| 671 GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetterInterface); | |
| 672 }; | |
| 673 | |
| 674 // A working implementation of the OsStackTraceGetterInterface interface. | |
| 675 class OsStackTraceGetter : public OsStackTraceGetterInterface { | |
| 676 public: | |
| 677 OsStackTraceGetter() : caller_frame_(NULL) {} | |
| 678 virtual String CurrentStackTrace(int max_depth, int skip_count); | |
| 679 virtual void UponLeavingGTest(); | |
| 680 | |
| 681 // This string is inserted in place of stack frames that are part of | |
| 682 // Google Test's implementation. | |
| 683 static const char* const kElidedFramesMarker; | |
| 684 | |
| 685 private: | |
| 686 Mutex mutex_; // protects all internal state | |
| 687 | |
| 688 // We save the stack frame below the frame that calls user code. | |
| 689 // We do this because the address of the frame immediately below | |
| 690 // the user code changes between the call to UponLeavingGTest() | |
| 691 // and any calls to CurrentStackTrace() from within the user code. | |
| 692 void* caller_frame_; | |
| 693 | |
| 694 GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetter); | |
| 695 }; | |
| 696 | |
| 697 // Information about a Google Test trace point. | |
| 698 struct TraceInfo { | |
| 699 const char* file; | |
| 700 int line; | |
| 701 String message; | |
| 702 }; | |
| 703 | |
| 704 // This is the default global test part result reporter used in UnitTestImpl. | |
| 705 // This class should only be used by UnitTestImpl. | |
| 706 class DefaultGlobalTestPartResultReporter | |
| 707 : public TestPartResultReporterInterface { | |
| 708 public: | |
| 709 explicit DefaultGlobalTestPartResultReporter(UnitTestImpl* unit_test); | |
| 710 // Implements the TestPartResultReporterInterface. Reports the test part | |
| 711 // result in the current test. | |
| 712 virtual void ReportTestPartResult(const TestPartResult& result); | |
| 713 | |
| 714 private: | |
| 715 UnitTestImpl* const unit_test_; | |
| 716 | |
| 717 GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultGlobalTestPartResultReporter); | |
| 718 }; | |
| 719 | |
| 720 // This is the default per thread test part result reporter used in | |
| 721 // UnitTestImpl. This class should only be used by UnitTestImpl. | |
| 722 class DefaultPerThreadTestPartResultReporter | |
| 723 : public TestPartResultReporterInterface { | |
| 724 public: | |
| 725 explicit DefaultPerThreadTestPartResultReporter(UnitTestImpl* unit_test); | |
| 726 // Implements the TestPartResultReporterInterface. The implementation just | |
| 727 // delegates to the current global test part result reporter of *unit_test_. | |
| 728 virtual void ReportTestPartResult(const TestPartResult& result); | |
| 729 | |
| 730 private: | |
| 731 UnitTestImpl* const unit_test_; | |
| 732 | |
| 733 GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultPerThreadTestPartResultReporter); | |
| 734 }; | |
| 735 | |
| 736 // The private implementation of the UnitTest class. We don't protect | |
| 737 // the methods under a mutex, as this class is not accessible by a | |
| 738 // user and the UnitTest class that delegates work to this class does | |
| 739 // proper locking. | |
| 740 class UnitTestImpl { | |
| 741 public: | |
| 742 explicit UnitTestImpl(UnitTest* parent); | |
| 743 virtual ~UnitTestImpl(); | |
| 744 | |
| 745 // There are two different ways to register your own TestPartResultReporter. | |
| 746 // You can register your own repoter to listen either only for test results | |
| 747 // from the current thread or for results from all threads. | |
| 748 // By default, each per-thread test result repoter just passes a new | |
| 749 // TestPartResult to the global test result reporter, which registers the | |
| 750 // test part result for the currently running test. | |
| 751 | |
| 752 // Returns the global test part result reporter. | |
| 753 TestPartResultReporterInterface* GetGlobalTestPartResultReporter(); | |
| 754 | |
| 755 // Sets the global test part result reporter. | |
| 756 void SetGlobalTestPartResultReporter( | |
| 757 TestPartResultReporterInterface* reporter); | |
| 758 | |
| 759 // Returns the test part result reporter for the current thread. | |
| 760 TestPartResultReporterInterface* GetTestPartResultReporterForCurrentThread(); | |
| 761 | |
| 762 // Sets the test part result reporter for the current thread. | |
| 763 void SetTestPartResultReporterForCurrentThread( | |
| 764 TestPartResultReporterInterface* reporter); | |
| 765 | |
| 766 // Gets the number of successful test cases. | |
| 767 int successful_test_case_count() const; | |
| 768 | |
| 769 // Gets the number of failed test cases. | |
| 770 int failed_test_case_count() const; | |
| 771 | |
| 772 // Gets the number of all test cases. | |
| 773 int total_test_case_count() const; | |
| 774 | |
| 775 // Gets the number of all test cases that contain at least one test | |
| 776 // that should run. | |
| 777 int test_case_to_run_count() const; | |
| 778 | |
| 779 // Gets the number of successful tests. | |
| 780 int successful_test_count() const; | |
| 781 | |
| 782 // Gets the number of failed tests. | |
| 783 int failed_test_count() const; | |
| 784 | |
| 785 // Gets the number of disabled tests. | |
| 786 int disabled_test_count() const; | |
| 787 | |
| 788 // Gets the number of all tests. | |
| 789 int total_test_count() const; | |
| 790 | |
| 791 // Gets the number of tests that should run. | |
| 792 int test_to_run_count() const; | |
| 793 | |
| 794 // Gets the elapsed time, in milliseconds. | |
| 795 TimeInMillis elapsed_time() const { return elapsed_time_; } | |
| 796 | |
| 797 // Returns true iff the unit test passed (i.e. all test cases passed). | |
| 798 bool Passed() const { return !Failed(); } | |
| 799 | |
| 800 // Returns true iff the unit test failed (i.e. some test case failed | |
| 801 // or something outside of all tests failed). | |
| 802 bool Failed() const { | |
| 803 return failed_test_case_count() > 0 || ad_hoc_test_result()->Failed(); | |
| 804 } | |
| 805 | |
| 806 // Gets the i-th test case among all the test cases. i can range from 0 to | |
| 807 // total_test_case_count() - 1. If i is not in that range, returns NULL. | |
| 808 const TestCase* GetTestCase(int i) const { | |
| 809 const int index = test_case_indices_.GetElementOr(i, -1); | |
| 810 return index < 0 ? NULL : test_cases_.GetElement(i); | |
| 811 } | |
| 812 | |
| 813 // Gets the i-th test case among all the test cases. i can range from 0 to | |
| 814 // total_test_case_count() - 1. If i is not in that range, returns NULL. | |
| 815 TestCase* GetMutableTestCase(int i) { | |
| 816 const int index = test_case_indices_.GetElementOr(i, -1); | |
| 817 return index < 0 ? NULL : test_cases_.GetElement(index); | |
| 818 } | |
| 819 | |
| 820 // Provides access to the event listener list. | |
| 821 TestEventListeners* listeners() { return &listeners_; } | |
| 822 | |
| 823 // Returns the TestResult for the test that's currently running, or | |
| 824 // the TestResult for the ad hoc test if no test is running. | |
| 825 TestResult* current_test_result(); | |
| 826 | |
| 827 // Returns the TestResult for the ad hoc test. | |
| 828 const TestResult* ad_hoc_test_result() const { return &ad_hoc_test_result_; } | |
| 829 | |
| 830 // Sets the OS stack trace getter. | |
| 831 // | |
| 832 // Does nothing if the input and the current OS stack trace getter | |
| 833 // are the same; otherwise, deletes the old getter and makes the | |
| 834 // input the current getter. | |
| 835 void set_os_stack_trace_getter(OsStackTraceGetterInterface* getter); | |
| 836 | |
| 837 // Returns the current OS stack trace getter if it is not NULL; | |
| 838 // otherwise, creates an OsStackTraceGetter, makes it the current | |
| 839 // getter, and returns it. | |
| 840 OsStackTraceGetterInterface* os_stack_trace_getter(); | |
| 841 | |
| 842 // Returns the current OS stack trace as a String. | |
| 843 // | |
| 844 // The maximum number of stack frames to be included is specified by | |
| 845 // the gtest_stack_trace_depth flag. The skip_count parameter | |
| 846 // specifies the number of top frames to be skipped, which doesn't | |
| 847 // count against the number of frames to be included. | |
| 848 // | |
| 849 // For example, if Foo() calls Bar(), which in turn calls | |
| 850 // CurrentOsStackTraceExceptTop(1), Foo() will be included in the | |
| 851 // trace but Bar() and CurrentOsStackTraceExceptTop() won't. | |
| 852 String CurrentOsStackTraceExceptTop(int skip_count); | |
| 853 | |
| 854 // Finds and returns a TestCase with the given name. If one doesn't | |
| 855 // exist, creates one and returns it. | |
| 856 // | |
| 857 // Arguments: | |
| 858 // | |
| 859 // test_case_name: name of the test case | |
| 860 // set_up_tc: pointer to the function that sets up the test case | |
| 861 // tear_down_tc: pointer to the function that tears down the test case | |
| 862 TestCase* GetTestCase(const char* test_case_name, | |
| 863 const char* comment, | |
| 864 Test::SetUpTestCaseFunc set_up_tc, | |
| 865 Test::TearDownTestCaseFunc tear_down_tc); | |
| 866 | |
| 867 // Adds a TestInfo to the unit test. | |
| 868 // | |
| 869 // Arguments: | |
| 870 // | |
| 871 // set_up_tc: pointer to the function that sets up the test case | |
| 872 // tear_down_tc: pointer to the function that tears down the test case | |
| 873 // test_info: the TestInfo object | |
| 874 void AddTestInfo(Test::SetUpTestCaseFunc set_up_tc, | |
| 875 Test::TearDownTestCaseFunc tear_down_tc, | |
| 876 TestInfo * test_info) { | |
| 877 // In order to support thread-safe death tests, we need to | |
| 878 // remember the original working directory when the test program | |
| 879 // was first invoked. We cannot do this in RUN_ALL_TESTS(), as | |
| 880 // the user may have changed the current directory before calling | |
| 881 // RUN_ALL_TESTS(). Therefore we capture the current directory in | |
| 882 // AddTestInfo(), which is called to register a TEST or TEST_F | |
| 883 // before main() is reached. | |
| 884 if (original_working_dir_.IsEmpty()) { | |
| 885 original_working_dir_.Set(FilePath::GetCurrentDir()); | |
| 886 GTEST_CHECK_(!original_working_dir_.IsEmpty()) | |
| 887 << "Failed to get the current working directory."; | |
| 888 } | |
| 889 | |
| 890 GetTestCase(test_info->test_case_name(), | |
| 891 test_info->test_case_comment(), | |
| 892 set_up_tc, | |
| 893 tear_down_tc)->AddTestInfo(test_info); | |
| 894 } | |
| 895 | |
| 896 #if GTEST_HAS_PARAM_TEST | |
| 897 // Returns ParameterizedTestCaseRegistry object used to keep track of | |
| 898 // value-parameterized tests and instantiate and register them. | |
| 899 internal::ParameterizedTestCaseRegistry& parameterized_test_registry() { | |
| 900 return parameterized_test_registry_; | |
| 901 } | |
| 902 #endif // GTEST_HAS_PARAM_TEST | |
| 903 | |
| 904 // Sets the TestCase object for the test that's currently running. | |
| 905 void set_current_test_case(TestCase* current_test_case) { | |
| 906 current_test_case_ = current_test_case; | |
| 907 } | |
| 908 | |
| 909 // Sets the TestInfo object for the test that's currently running. If | |
| 910 // current_test_info is NULL, the assertion results will be stored in | |
| 911 // ad_hoc_test_result_. | |
| 912 void set_current_test_info(TestInfo* current_test_info) { | |
| 913 current_test_info_ = current_test_info; | |
| 914 } | |
| 915 | |
| 916 // Registers all parameterized tests defined using TEST_P and | |
| 917 // INSTANTIATE_TEST_P, creating regular tests for each test/parameter | |
| 918 // combination. This method can be called more then once; it has | |
| 919 // guards protecting from registering the tests more then once. | |
| 920 // If value-parameterized tests are disabled, RegisterParameterizedTests | |
| 921 // is present but does nothing. | |
| 922 void RegisterParameterizedTests(); | |
| 923 | |
| 924 // Runs all tests in this UnitTest object, prints the result, and | |
| 925 // returns 0 if all tests are successful, or 1 otherwise. If any | |
| 926 // exception is thrown during a test on Windows, this test is | |
| 927 // considered to be failed, but the rest of the tests will still be | |
| 928 // run. (We disable exceptions on Linux and Mac OS X, so the issue | |
| 929 // doesn't apply there.) | |
| 930 int RunAllTests(); | |
| 931 | |
| 932 // Clears the results of all tests, including the ad hoc test. | |
| 933 void ClearResult() { | |
| 934 test_cases_.ForEach(TestCase::ClearTestCaseResult); | |
| 935 ad_hoc_test_result_.Clear(); | |
| 936 } | |
| 937 | |
| 938 enum ReactionToSharding { | |
| 939 HONOR_SHARDING_PROTOCOL, | |
| 940 IGNORE_SHARDING_PROTOCOL | |
| 941 }; | |
| 942 | |
| 943 // Matches the full name of each test against the user-specified | |
| 944 // filter to decide whether the test should run, then records the | |
| 945 // result in each TestCase and TestInfo object. | |
| 946 // If shard_tests == HONOR_SHARDING_PROTOCOL, further filters tests | |
| 947 // based on sharding variables in the environment. | |
| 948 // Returns the number of tests that should run. | |
| 949 int FilterTests(ReactionToSharding shard_tests); | |
| 950 | |
| 951 // Prints the names of the tests matching the user-specified filter flag. | |
| 952 void ListTestsMatchingFilter(); | |
| 953 | |
| 954 const TestCase* current_test_case() const { return current_test_case_; } | |
| 955 TestInfo* current_test_info() { return current_test_info_; } | |
| 956 const TestInfo* current_test_info() const { return current_test_info_; } | |
| 957 | |
| 958 // Returns the vector of environments that need to be set-up/torn-down | |
| 959 // before/after the tests are run. | |
| 960 internal::Vector<Environment*>* environments() { return &environments_; } | |
| 961 internal::Vector<Environment*>* environments_in_reverse_order() { | |
| 962 return &environments_in_reverse_order_; | |
| 963 } | |
| 964 | |
| 965 // Getters for the per-thread Google Test trace stack. | |
| 966 internal::Vector<TraceInfo>* gtest_trace_stack() { | |
| 967 return gtest_trace_stack_.pointer(); | |
| 968 } | |
| 969 const internal::Vector<TraceInfo>* gtest_trace_stack() const { | |
| 970 return gtest_trace_stack_.pointer(); | |
| 971 } | |
| 972 | |
| 973 #if GTEST_HAS_DEATH_TEST | |
| 974 void InitDeathTestSubprocessControlInfo() { | |
| 975 internal_run_death_test_flag_.reset(ParseInternalRunDeathTestFlag()); | |
| 976 } | |
| 977 // Returns a pointer to the parsed --gtest_internal_run_death_test | |
| 978 // flag, or NULL if that flag was not specified. | |
| 979 // This information is useful only in a death test child process. | |
| 980 // Must not be called before a call to InitGoogleTest. | |
| 981 const InternalRunDeathTestFlag* internal_run_death_test_flag() const { | |
| 982 return internal_run_death_test_flag_.get(); | |
| 983 } | |
| 984 | |
| 985 // Returns a pointer to the current death test factory. | |
| 986 internal::DeathTestFactory* death_test_factory() { | |
| 987 return death_test_factory_.get(); | |
| 988 } | |
| 989 | |
| 990 void SuppressTestEventsIfInSubprocess(); | |
| 991 | |
| 992 friend class ReplaceDeathTestFactory; | |
| 993 #endif // GTEST_HAS_DEATH_TEST | |
| 994 | |
| 995 // Initializes the event listener performing XML output as specified by | |
| 996 // UnitTestOptions. Must not be called before InitGoogleTest. | |
| 997 void ConfigureXmlOutput(); | |
| 998 | |
| 999 // Performs initialization dependent upon flag values obtained in | |
| 1000 // ParseGoogleTestFlagsOnly. Is called from InitGoogleTest after the call to | |
| 1001 // ParseGoogleTestFlagsOnly. In case a user neglects to call InitGoogleTest | |
| 1002 // this function is also called from RunAllTests. Since this function can be | |
| 1003 // called more than once, it has to be idempotent. | |
| 1004 void PostFlagParsingInit(); | |
| 1005 | |
| 1006 // Gets the random seed used at the start of the current test iteration. | |
| 1007 int random_seed() const { return random_seed_; } | |
| 1008 | |
| 1009 // Gets the random number generator. | |
| 1010 internal::Random* random() { return &random_; } | |
| 1011 | |
| 1012 // Shuffles all test cases, and the tests within each test case, | |
| 1013 // making sure that death tests are still run first. | |
| 1014 void ShuffleTests(); | |
| 1015 | |
| 1016 // Restores the test cases and tests to their order before the first shuffle. | |
| 1017 void UnshuffleTests(); | |
| 1018 | |
| 1019 private: | |
| 1020 friend class ::testing::UnitTest; | |
| 1021 | |
| 1022 // The UnitTest object that owns this implementation object. | |
| 1023 UnitTest* const parent_; | |
| 1024 | |
| 1025 // The working directory when the first TEST() or TEST_F() was | |
| 1026 // executed. | |
| 1027 internal::FilePath original_working_dir_; | |
| 1028 | |
| 1029 // The default test part result reporters. | |
| 1030 DefaultGlobalTestPartResultReporter default_global_test_part_result_reporter_; | |
| 1031 DefaultPerThreadTestPartResultReporter | |
| 1032 default_per_thread_test_part_result_reporter_; | |
| 1033 | |
| 1034 // Points to (but doesn't own) the global test part result reporter. | |
| 1035 TestPartResultReporterInterface* global_test_part_result_repoter_; | |
| 1036 | |
| 1037 // Protects read and write access to global_test_part_result_reporter_. | |
| 1038 internal::Mutex global_test_part_result_reporter_mutex_; | |
| 1039 | |
| 1040 // Points to (but doesn't own) the per-thread test part result reporter. | |
| 1041 internal::ThreadLocal<TestPartResultReporterInterface*> | |
| 1042 per_thread_test_part_result_reporter_; | |
| 1043 | |
| 1044 // The vector of environments that need to be set-up/torn-down | |
| 1045 // before/after the tests are run. environments_in_reverse_order_ | |
| 1046 // simply mirrors environments_ in reverse order. | |
| 1047 internal::Vector<Environment*> environments_; | |
| 1048 internal::Vector<Environment*> environments_in_reverse_order_; | |
| 1049 | |
| 1050 // The vector of TestCases in their original order. It owns the | |
| 1051 // elements in the vector. | |
| 1052 internal::Vector<TestCase*> test_cases_; | |
| 1053 | |
| 1054 // Provides a level of indirection for the test case list to allow | |
| 1055 // easy shuffling and restoring the test case order. The i-th | |
| 1056 // element of this vector is the index of the i-th test case in the | |
| 1057 // shuffled order. | |
| 1058 internal::Vector<int> test_case_indices_; | |
| 1059 | |
| 1060 #if GTEST_HAS_PARAM_TEST | |
| 1061 // ParameterizedTestRegistry object used to register value-parameterized | |
| 1062 // tests. | |
| 1063 internal::ParameterizedTestCaseRegistry parameterized_test_registry_; | |
| 1064 | |
| 1065 // Indicates whether RegisterParameterizedTests() has been called already. | |
| 1066 bool parameterized_tests_registered_; | |
| 1067 #endif // GTEST_HAS_PARAM_TEST | |
| 1068 | |
| 1069 // Index of the last death test case registered. Initially -1. | |
| 1070 int last_death_test_case_; | |
| 1071 | |
| 1072 // This points to the TestCase for the currently running test. It | |
| 1073 // changes as Google Test goes through one test case after another. | |
| 1074 // When no test is running, this is set to NULL and Google Test | |
| 1075 // stores assertion results in ad_hoc_test_result_. Initially NULL. | |
| 1076 TestCase* current_test_case_; | |
| 1077 | |
| 1078 // This points to the TestInfo for the currently running test. It | |
| 1079 // changes as Google Test goes through one test after another. When | |
| 1080 // no test is running, this is set to NULL and Google Test stores | |
| 1081 // assertion results in ad_hoc_test_result_. Initially NULL. | |
| 1082 TestInfo* current_test_info_; | |
| 1083 | |
| 1084 // Normally, a user only writes assertions inside a TEST or TEST_F, | |
| 1085 // or inside a function called by a TEST or TEST_F. Since Google | |
| 1086 // Test keeps track of which test is current running, it can | |
| 1087 // associate such an assertion with the test it belongs to. | |
| 1088 // | |
| 1089 // If an assertion is encountered when no TEST or TEST_F is running, | |
| 1090 // Google Test attributes the assertion result to an imaginary "ad hoc" | |
| 1091 // test, and records the result in ad_hoc_test_result_. | |
| 1092 TestResult ad_hoc_test_result_; | |
| 1093 | |
| 1094 // The list of event listeners that can be used to track events inside | |
| 1095 // Google Test. | |
| 1096 TestEventListeners listeners_; | |
| 1097 | |
| 1098 // The OS stack trace getter. Will be deleted when the UnitTest | |
| 1099 // object is destructed. By default, an OsStackTraceGetter is used, | |
| 1100 // but the user can set this field to use a custom getter if that is | |
| 1101 // desired. | |
| 1102 OsStackTraceGetterInterface* os_stack_trace_getter_; | |
| 1103 | |
| 1104 // True iff PostFlagParsingInit() has been called. | |
| 1105 bool post_flag_parse_init_performed_; | |
| 1106 | |
| 1107 // The random number seed used at the beginning of the test run. | |
| 1108 int random_seed_; | |
| 1109 | |
| 1110 // Our random number generator. | |
| 1111 internal::Random random_; | |
| 1112 | |
| 1113 // How long the test took to run, in milliseconds. | |
| 1114 TimeInMillis elapsed_time_; | |
| 1115 | |
| 1116 #if GTEST_HAS_DEATH_TEST | |
| 1117 // The decomposed components of the gtest_internal_run_death_test flag, | |
| 1118 // parsed when RUN_ALL_TESTS is called. | |
| 1119 internal::scoped_ptr<InternalRunDeathTestFlag> internal_run_death_test_flag_; | |
| 1120 internal::scoped_ptr<internal::DeathTestFactory> death_test_factory_; | |
| 1121 #endif // GTEST_HAS_DEATH_TEST | |
| 1122 | |
| 1123 // A per-thread stack of traces created by the SCOPED_TRACE() macro. | |
| 1124 internal::ThreadLocal<internal::Vector<TraceInfo> > gtest_trace_stack_; | |
| 1125 | |
| 1126 GTEST_DISALLOW_COPY_AND_ASSIGN_(UnitTestImpl); | |
| 1127 }; // class UnitTestImpl | |
| 1128 | |
| 1129 // Convenience function for accessing the global UnitTest | |
| 1130 // implementation object. | |
| 1131 inline UnitTestImpl* GetUnitTestImpl() { | |
| 1132 return UnitTest::GetInstance()->impl(); | |
| 1133 } | |
| 1134 | |
| 1135 // Internal helper functions for implementing the simple regular | |
| 1136 // expression matcher. | |
| 1137 bool IsInSet(char ch, const char* str); | |
| 1138 bool IsDigit(char ch); | |
| 1139 bool IsPunct(char ch); | |
| 1140 bool IsRepeat(char ch); | |
| 1141 bool IsWhiteSpace(char ch); | |
| 1142 bool IsWordChar(char ch); | |
| 1143 bool IsValidEscape(char ch); | |
| 1144 bool AtomMatchesChar(bool escaped, char pattern, char ch); | |
| 1145 bool ValidateRegex(const char* regex); | |
| 1146 bool MatchRegexAtHead(const char* regex, const char* str); | |
| 1147 bool MatchRepetitionAndRegexAtHead( | |
| 1148 bool escaped, char ch, char repeat, const char* regex, const char* str); | |
| 1149 bool MatchRegexAnywhere(const char* regex, const char* str); | |
| 1150 | |
| 1151 // Parses the command line for Google Test flags, without initializing | |
| 1152 // other parts of Google Test. | |
| 1153 void ParseGoogleTestFlagsOnly(int* argc, char** argv); | |
| 1154 void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv); | |
| 1155 | |
| 1156 #if GTEST_HAS_DEATH_TEST | |
| 1157 | |
| 1158 // Returns the message describing the last system error, regardless of the | |
| 1159 // platform. | |
| 1160 String GetLastErrnoDescription(); | |
| 1161 | |
| 1162 #if GTEST_OS_WINDOWS | |
| 1163 // Provides leak-safe Windows kernel handle ownership. | |
| 1164 class AutoHandle { | |
| 1165 public: | |
| 1166 AutoHandle() : handle_(INVALID_HANDLE_VALUE) {} | |
| 1167 explicit AutoHandle(HANDLE handle) : handle_(handle) {} | |
| 1168 | |
| 1169 ~AutoHandle() { Reset(); } | |
| 1170 | |
| 1171 HANDLE Get() const { return handle_; } | |
| 1172 void Reset() { Reset(INVALID_HANDLE_VALUE); } | |
| 1173 void Reset(HANDLE handle) { | |
| 1174 if (handle != handle_) { | |
| 1175 if (handle_ != INVALID_HANDLE_VALUE) | |
| 1176 ::CloseHandle(handle_); | |
| 1177 handle_ = handle; | |
| 1178 } | |
| 1179 } | |
| 1180 | |
| 1181 private: | |
| 1182 HANDLE handle_; | |
| 1183 | |
| 1184 GTEST_DISALLOW_COPY_AND_ASSIGN_(AutoHandle); | |
| 1185 }; | |
| 1186 #endif // GTEST_OS_WINDOWS | |
| 1187 | |
| 1188 // Attempts to parse a string into a positive integer pointed to by the | |
| 1189 // number parameter. Returns true if that is possible. | |
| 1190 // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can use | |
| 1191 // it here. | |
| 1192 template <typename Integer> | |
| 1193 bool ParseNaturalNumber(const ::std::string& str, Integer* number) { | |
| 1194 // Fail fast if the given string does not begin with a digit; | |
| 1195 // this bypasses strtoXXX's "optional leading whitespace and plus | |
| 1196 // or minus sign" semantics, which are undesirable here. | |
| 1197 if (str.empty() || !isdigit(str[0])) { | |
| 1198 return false; | |
| 1199 } | |
| 1200 errno = 0; | |
| 1201 | |
| 1202 char* end; | |
| 1203 // BiggestConvertible is the largest integer type that system-provided | |
| 1204 // string-to-number conversion routines can return. | |
| 1205 #if GTEST_OS_WINDOWS && !defined(__GNUC__) | |
| 1206 // MSVC and C++ Builder define __int64 instead of the standard long long. | |
| 1207 typedef unsigned __int64 BiggestConvertible; | |
| 1208 const BiggestConvertible parsed = _strtoui64(str.c_str(), &end, 10); | |
| 1209 #else | |
| 1210 typedef unsigned long long BiggestConvertible; // NOLINT | |
| 1211 const BiggestConvertible parsed = strtoull(str.c_str(), &end, 10); | |
| 1212 #endif // GTEST_OS_WINDOWS && !defined(__GNUC__) | |
| 1213 const bool parse_success = *end == '\0' && errno == 0; | |
| 1214 | |
| 1215 // TODO(vladl@google.com): Convert this to compile time assertion when it is | |
| 1216 // available. | |
| 1217 GTEST_CHECK_(sizeof(Integer) <= sizeof(parsed)); | |
| 1218 | |
| 1219 const Integer result = static_cast<Integer>(parsed); | |
| 1220 if (parse_success && static_cast<BiggestConvertible>(result) == parsed) { | |
| 1221 *number = result; | |
| 1222 return true; | |
| 1223 } | |
| 1224 return false; | |
| 1225 } | |
| 1226 #endif // GTEST_HAS_DEATH_TEST | |
| 1227 | |
| 1228 // TestResult contains some private methods that should be hidden from | |
| 1229 // Google Test user but are required for testing. This class allow our tests | |
| 1230 // to access them. | |
| 1231 class TestResultAccessor { | |
| 1232 public: | |
| 1233 static void RecordProperty(TestResult* test_result, | |
| 1234 const TestProperty& property) { | |
| 1235 test_result->RecordProperty(property); | |
| 1236 } | |
| 1237 | |
| 1238 static void ClearTestPartResults(TestResult* test_result) { | |
| 1239 test_result->ClearTestPartResults(); | |
| 1240 } | |
| 1241 | |
| 1242 static const Vector<testing::TestPartResult>& test_part_results( | |
| 1243 const TestResult& test_result) { | |
| 1244 return test_result.test_part_results(); | |
| 1245 } | |
| 1246 }; | |
| 1247 | |
| 1248 } // namespace internal | |
| 1249 } // namespace testing | |
| 1250 | |
| 1251 #endif // GTEST_SRC_GTEST_INTERNAL_INL_H_ | |
| OLD | NEW |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master