[12177] | 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 | // Authors: wan@google.com (Zhanyong Wan) |
---|
| 31 | // |
---|
| 32 | // Low-level types and utilities for porting Google Test to various |
---|
| 33 | // platforms. They are subject to change without notice. DO NOT USE |
---|
| 34 | // THEM IN USER CODE. |
---|
| 35 | |
---|
| 36 | #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |
---|
| 37 | #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |
---|
| 38 | |
---|
| 39 | // The user can define the following macros in the build script to |
---|
| 40 | // control Google Test's behavior. If the user doesn't define a macro |
---|
| 41 | // in this list, Google Test will define it. |
---|
| 42 | // |
---|
| 43 | // GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2) |
---|
| 44 | // is/isn't available. |
---|
| 45 | // GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions |
---|
| 46 | // are enabled. |
---|
| 47 | // GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string |
---|
| 48 | // is/isn't available (some systems define |
---|
| 49 | // ::string, which is different to std::string). |
---|
| 50 | // GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string |
---|
| 51 | // is/isn't available (some systems define |
---|
| 52 | // ::wstring, which is different to std::wstring). |
---|
| 53 | // GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular |
---|
| 54 | // expressions are/aren't available. |
---|
| 55 | // GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> |
---|
| 56 | // is/isn't available. |
---|
| 57 | // GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't |
---|
| 58 | // enabled. |
---|
| 59 | // GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that |
---|
| 60 | // std::wstring does/doesn't work (Google Test can |
---|
| 61 | // be used where std::wstring is unavailable). |
---|
| 62 | // GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple |
---|
| 63 | // is/isn't available. |
---|
| 64 | // GTEST_HAS_SEH - Define it to 1/0 to indicate whether the |
---|
| 65 | // compiler supports Microsoft's "Structured |
---|
| 66 | // Exception Handling". |
---|
| 67 | // GTEST_HAS_STREAM_REDIRECTION |
---|
| 68 | // - Define it to 1/0 to indicate whether the |
---|
| 69 | // platform supports I/O stream redirection using |
---|
| 70 | // dup() and dup2(). |
---|
| 71 | // GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google |
---|
| 72 | // Test's own tr1 tuple implementation should be |
---|
| 73 | // used. Unused when the user sets |
---|
| 74 | // GTEST_HAS_TR1_TUPLE to 0. |
---|
| 75 | // GTEST_LINKED_AS_SHARED_LIBRARY |
---|
| 76 | // - Define to 1 when compiling tests that use |
---|
| 77 | // Google Test as a shared library (known as |
---|
| 78 | // DLL on Windows). |
---|
| 79 | // GTEST_CREATE_SHARED_LIBRARY |
---|
| 80 | // - Define to 1 when compiling Google Test itself |
---|
| 81 | // as a shared library. |
---|
| 82 | |
---|
| 83 | // This header defines the following utilities: |
---|
| 84 | // |
---|
| 85 | // Macros indicating the current platform (defined to 1 if compiled on |
---|
| 86 | // the given platform; otherwise undefined): |
---|
| 87 | // GTEST_OS_AIX - IBM AIX |
---|
| 88 | // GTEST_OS_CYGWIN - Cygwin |
---|
| 89 | // GTEST_OS_HPUX - HP-UX |
---|
| 90 | // GTEST_OS_LINUX - Linux |
---|
| 91 | // GTEST_OS_LINUX_ANDROID - Google Android |
---|
| 92 | // GTEST_OS_MAC - Mac OS X |
---|
| 93 | // GTEST_OS_NACL - Google Native Client (NaCl) |
---|
| 94 | // GTEST_OS_SOLARIS - Sun Solaris |
---|
| 95 | // GTEST_OS_SYMBIAN - Symbian |
---|
| 96 | // GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile) |
---|
| 97 | // GTEST_OS_WINDOWS_DESKTOP - Windows Desktop |
---|
| 98 | // GTEST_OS_WINDOWS_MINGW - MinGW |
---|
| 99 | // GTEST_OS_WINDOWS_MOBILE - Windows Mobile |
---|
| 100 | // GTEST_OS_ZOS - z/OS |
---|
| 101 | // |
---|
| 102 | // Among the platforms, Cygwin, Linux, Max OS X, and Windows have the |
---|
| 103 | // most stable support. Since core members of the Google Test project |
---|
| 104 | // don't have access to other platforms, support for them may be less |
---|
| 105 | // stable. If you notice any problems on your platform, please notify |
---|
| 106 | // googletestframework@googlegroups.com (patches for fixing them are |
---|
| 107 | // even more welcome!). |
---|
| 108 | // |
---|
| 109 | // Note that it is possible that none of the GTEST_OS_* macros are defined. |
---|
| 110 | // |
---|
| 111 | // Macros indicating available Google Test features (defined to 1 if |
---|
| 112 | // the corresponding feature is supported; otherwise undefined): |
---|
| 113 | // GTEST_HAS_COMBINE - the Combine() function (for value-parameterized |
---|
| 114 | // tests) |
---|
| 115 | // GTEST_HAS_DEATH_TEST - death tests |
---|
| 116 | // GTEST_HAS_PARAM_TEST - value-parameterized tests |
---|
| 117 | // GTEST_HAS_TYPED_TEST - typed tests |
---|
| 118 | // GTEST_HAS_TYPED_TEST_P - type-parameterized tests |
---|
| 119 | // GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with |
---|
| 120 | // GTEST_HAS_POSIX_RE (see above) which users can |
---|
| 121 | // define themselves. |
---|
| 122 | // GTEST_USES_SIMPLE_RE - our own simple regex is used; |
---|
| 123 | // the above two are mutually exclusive. |
---|
| 124 | // GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). |
---|
| 125 | // |
---|
| 126 | // Macros for basic C++ coding: |
---|
| 127 | // GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning. |
---|
| 128 | // GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a |
---|
| 129 | // variable don't have to be used. |
---|
| 130 | // GTEST_DISALLOW_ASSIGN_ - disables operator=. |
---|
| 131 | // GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=. |
---|
| 132 | // GTEST_MUST_USE_RESULT_ - declares that a function's result must be used. |
---|
| 133 | // |
---|
| 134 | // Synchronization: |
---|
| 135 | // Mutex, MutexLock, ThreadLocal, GetThreadCount() |
---|
| 136 | // - synchronization primitives. |
---|
| 137 | // GTEST_IS_THREADSAFE - defined to 1 to indicate that the above |
---|
| 138 | // synchronization primitives have real implementations |
---|
| 139 | // and Google Test is thread-safe; or 0 otherwise. |
---|
| 140 | // |
---|
| 141 | // Template meta programming: |
---|
| 142 | // is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. |
---|
| 143 | // IteratorTraits - partial implementation of std::iterator_traits, which |
---|
| 144 | // is not available in libCstd when compiled with Sun C++. |
---|
| 145 | // |
---|
| 146 | // Smart pointers: |
---|
| 147 | // scoped_ptr - as in TR2. |
---|
| 148 | // |
---|
| 149 | // Regular expressions: |
---|
| 150 | // RE - a simple regular expression class using the POSIX |
---|
| 151 | // Extended Regular Expression syntax on UNIX-like |
---|
| 152 | // platforms, or a reduced regular exception syntax on |
---|
| 153 | // other platforms, including Windows. |
---|
| 154 | // |
---|
| 155 | // Logging: |
---|
| 156 | // GTEST_LOG_() - logs messages at the specified severity level. |
---|
| 157 | // LogToStderr() - directs all log messages to stderr. |
---|
| 158 | // FlushInfoLog() - flushes informational log messages. |
---|
| 159 | // |
---|
| 160 | // Stdout and stderr capturing: |
---|
| 161 | // CaptureStdout() - starts capturing stdout. |
---|
| 162 | // GetCapturedStdout() - stops capturing stdout and returns the captured |
---|
| 163 | // string. |
---|
| 164 | // CaptureStderr() - starts capturing stderr. |
---|
| 165 | // GetCapturedStderr() - stops capturing stderr and returns the captured |
---|
| 166 | // string. |
---|
| 167 | // |
---|
| 168 | // Integer types: |
---|
| 169 | // TypeWithSize - maps an integer to a int type. |
---|
| 170 | // Int32, UInt32, Int64, UInt64, TimeInMillis |
---|
| 171 | // - integers of known sizes. |
---|
| 172 | // BiggestInt - the biggest signed integer type. |
---|
| 173 | // |
---|
| 174 | // Command-line utilities: |
---|
| 175 | // GTEST_FLAG() - references a flag. |
---|
| 176 | // GTEST_DECLARE_*() - declares a flag. |
---|
| 177 | // GTEST_DEFINE_*() - defines a flag. |
---|
| 178 | // GetArgvs() - returns the command line as a vector of strings. |
---|
| 179 | // |
---|
| 180 | // Environment variable utilities: |
---|
| 181 | // GetEnv() - gets the value of an environment variable. |
---|
| 182 | // BoolFromGTestEnv() - parses a bool environment variable. |
---|
| 183 | // Int32FromGTestEnv() - parses an Int32 environment variable. |
---|
| 184 | // StringFromGTestEnv() - parses a string environment variable. |
---|
| 185 | |
---|
| 186 | #include <ctype.h> // for isspace, etc |
---|
| 187 | #include <stddef.h> // for ptrdiff_t |
---|
| 188 | #include <stdlib.h> |
---|
| 189 | #include <stdio.h> |
---|
| 190 | #include <string.h> |
---|
| 191 | #ifndef _WIN32_WCE |
---|
| 192 | # include <sys/types.h> |
---|
| 193 | # include <sys/stat.h> |
---|
| 194 | #endif // !_WIN32_WCE |
---|
| 195 | |
---|
| 196 | #include <iostream> // NOLINT |
---|
| 197 | #include <sstream> // NOLINT |
---|
| 198 | #include <string> // NOLINT |
---|
| 199 | |
---|
| 200 | #define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com" |
---|
| 201 | #define GTEST_FLAG_PREFIX_ "gtest_" |
---|
| 202 | #define GTEST_FLAG_PREFIX_DASH_ "gtest-" |
---|
| 203 | #define GTEST_FLAG_PREFIX_UPPER_ "GTEST_" |
---|
| 204 | #define GTEST_NAME_ "Google Test" |
---|
| 205 | #define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/" |
---|
| 206 | |
---|
| 207 | // Determines the version of gcc that is used to compile this. |
---|
| 208 | #ifdef __GNUC__ |
---|
| 209 | // 40302 means version 4.3.2. |
---|
| 210 | # define GTEST_GCC_VER_ \ |
---|
| 211 | (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) |
---|
| 212 | #endif // __GNUC__ |
---|
| 213 | |
---|
| 214 | // Determines the platform on which Google Test is compiled. |
---|
| 215 | #ifdef __CYGWIN__ |
---|
| 216 | # define GTEST_OS_CYGWIN 1 |
---|
| 217 | #elif defined __SYMBIAN32__ |
---|
| 218 | # define GTEST_OS_SYMBIAN 1 |
---|
| 219 | #elif defined _WIN32 |
---|
| 220 | # define GTEST_OS_WINDOWS 1 |
---|
| 221 | # ifdef _WIN32_WCE |
---|
| 222 | # define GTEST_OS_WINDOWS_MOBILE 1 |
---|
| 223 | # elif defined(__MINGW__) || defined(__MINGW32__) |
---|
| 224 | # define GTEST_OS_WINDOWS_MINGW 1 |
---|
| 225 | # else |
---|
| 226 | # define GTEST_OS_WINDOWS_DESKTOP 1 |
---|
| 227 | # endif // _WIN32_WCE |
---|
| 228 | #elif defined __APPLE__ |
---|
| 229 | # define GTEST_OS_MAC 1 |
---|
| 230 | #elif defined __linux__ |
---|
| 231 | # define GTEST_OS_LINUX 1 |
---|
| 232 | # ifdef ANDROID |
---|
| 233 | # define GTEST_OS_LINUX_ANDROID 1 |
---|
| 234 | # endif // ANDROID |
---|
| 235 | #elif defined __MVS__ |
---|
| 236 | # define GTEST_OS_ZOS 1 |
---|
| 237 | #elif defined(__sun) && defined(__SVR4) |
---|
| 238 | # define GTEST_OS_SOLARIS 1 |
---|
| 239 | #elif defined(_AIX) |
---|
| 240 | # define GTEST_OS_AIX 1 |
---|
| 241 | #elif defined(__hpux) |
---|
| 242 | # define GTEST_OS_HPUX 1 |
---|
| 243 | #elif defined __native_client__ |
---|
| 244 | # define GTEST_OS_NACL 1 |
---|
| 245 | #endif // __CYGWIN__ |
---|
| 246 | |
---|
| 247 | // Brings in definitions for functions used in the testing::internal::posix |
---|
| 248 | // namespace (read, write, close, chdir, isatty, stat). We do not currently |
---|
| 249 | // use them on Windows Mobile. |
---|
| 250 | #if !GTEST_OS_WINDOWS |
---|
| 251 | // This assumes that non-Windows OSes provide unistd.h. For OSes where this |
---|
| 252 | // is not the case, we need to include headers that provide the functions |
---|
| 253 | // mentioned above. |
---|
| 254 | # include <unistd.h> |
---|
| 255 | # if !GTEST_OS_NACL |
---|
| 256 | // TODO(vladl@google.com): Remove this condition when Native Client SDK adds |
---|
| 257 | // strings.h (tracked in |
---|
| 258 | // http://code.google.com/p/nativeclient/issues/detail?id=1175). |
---|
| 259 | # include <strings.h> // Native Client doesn't provide strings.h. |
---|
| 260 | # endif |
---|
| 261 | #elif !GTEST_OS_WINDOWS_MOBILE |
---|
| 262 | # include <direct.h> |
---|
| 263 | # include <io.h> |
---|
| 264 | #endif |
---|
| 265 | |
---|
| 266 | // Defines this to true iff Google Test can use POSIX regular expressions. |
---|
| 267 | #ifndef GTEST_HAS_POSIX_RE |
---|
| 268 | # define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS) |
---|
| 269 | #endif |
---|
| 270 | |
---|
| 271 | #if GTEST_HAS_POSIX_RE |
---|
| 272 | |
---|
| 273 | // On some platforms, <regex.h> needs someone to define size_t, and |
---|
| 274 | // won't compile otherwise. We can #include it here as we already |
---|
| 275 | // included <stdlib.h>, which is guaranteed to define size_t through |
---|
| 276 | // <stddef.h>. |
---|
| 277 | # include <regex.h> // NOLINT |
---|
| 278 | |
---|
| 279 | # define GTEST_USES_POSIX_RE 1 |
---|
| 280 | |
---|
| 281 | #elif GTEST_OS_WINDOWS |
---|
| 282 | |
---|
| 283 | // <regex.h> is not available on Windows. Use our own simple regex |
---|
| 284 | // implementation instead. |
---|
| 285 | # define GTEST_USES_SIMPLE_RE 1 |
---|
| 286 | |
---|
| 287 | #else |
---|
| 288 | |
---|
| 289 | // <regex.h> may not be available on this platform. Use our own |
---|
| 290 | // simple regex implementation instead. |
---|
| 291 | # define GTEST_USES_SIMPLE_RE 1 |
---|
| 292 | |
---|
| 293 | #endif // GTEST_HAS_POSIX_RE |
---|
| 294 | |
---|
| 295 | #ifndef GTEST_HAS_EXCEPTIONS |
---|
| 296 | // The user didn't tell us whether exceptions are enabled, so we need |
---|
| 297 | // to figure it out. |
---|
| 298 | # if defined(_MSC_VER) || defined(__BORLANDC__) |
---|
| 299 | // MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS |
---|
| 300 | // macro to enable exceptions, so we'll do the same. |
---|
| 301 | // Assumes that exceptions are enabled by default. |
---|
| 302 | # ifndef _HAS_EXCEPTIONS |
---|
| 303 | # define _HAS_EXCEPTIONS 1 |
---|
| 304 | # endif // _HAS_EXCEPTIONS |
---|
| 305 | # define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS |
---|
| 306 | # elif defined(__GNUC__) && __EXCEPTIONS |
---|
| 307 | // gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. |
---|
| 308 | # define GTEST_HAS_EXCEPTIONS 1 |
---|
| 309 | # elif defined(__SUNPRO_CC) |
---|
| 310 | // Sun Pro CC supports exceptions. However, there is no compile-time way of |
---|
| 311 | // detecting whether they are enabled or not. Therefore, we assume that |
---|
| 312 | // they are enabled unless the user tells us otherwise. |
---|
| 313 | # define GTEST_HAS_EXCEPTIONS 1 |
---|
| 314 | # elif defined(__IBMCPP__) && __EXCEPTIONS |
---|
| 315 | // xlC defines __EXCEPTIONS to 1 iff exceptions are enabled. |
---|
| 316 | # define GTEST_HAS_EXCEPTIONS 1 |
---|
| 317 | # elif defined(__HP_aCC) |
---|
| 318 | // Exception handling is in effect by default in HP aCC compiler. It has to |
---|
| 319 | // be turned of by +noeh compiler option if desired. |
---|
| 320 | # define GTEST_HAS_EXCEPTIONS 1 |
---|
| 321 | # else |
---|
| 322 | // For other compilers, we assume exceptions are disabled to be |
---|
| 323 | // conservative. |
---|
| 324 | # define GTEST_HAS_EXCEPTIONS 0 |
---|
| 325 | # endif // defined(_MSC_VER) || defined(__BORLANDC__) |
---|
| 326 | #endif // GTEST_HAS_EXCEPTIONS |
---|
| 327 | |
---|
| 328 | #if !defined(GTEST_HAS_STD_STRING) |
---|
| 329 | // Even though we don't use this macro any longer, we keep it in case |
---|
| 330 | // some clients still depend on it. |
---|
| 331 | # define GTEST_HAS_STD_STRING 1 |
---|
| 332 | #elif !GTEST_HAS_STD_STRING |
---|
| 333 | // The user told us that ::std::string isn't available. |
---|
| 334 | # error "Google Test cannot be used where ::std::string isn't available." |
---|
| 335 | #endif // !defined(GTEST_HAS_STD_STRING) |
---|
| 336 | |
---|
| 337 | #ifndef GTEST_HAS_GLOBAL_STRING |
---|
| 338 | // The user didn't tell us whether ::string is available, so we need |
---|
| 339 | // to figure it out. |
---|
| 340 | |
---|
| 341 | # define GTEST_HAS_GLOBAL_STRING 0 |
---|
| 342 | |
---|
| 343 | #endif // GTEST_HAS_GLOBAL_STRING |
---|
| 344 | |
---|
| 345 | #ifndef GTEST_HAS_STD_WSTRING |
---|
| 346 | // The user didn't tell us whether ::std::wstring is available, so we need |
---|
| 347 | // to figure it out. |
---|
| 348 | // TODO(wan@google.com): uses autoconf to detect whether ::std::wstring |
---|
| 349 | // is available. |
---|
| 350 | |
---|
| 351 | // Cygwin 1.7 and below doesn't support ::std::wstring. |
---|
| 352 | // Solaris' libc++ doesn't support it either. Android has |
---|
| 353 | // no support for it at least as recent as Froyo (2.2). |
---|
| 354 | # define GTEST_HAS_STD_WSTRING \ |
---|
| 355 | (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) |
---|
| 356 | |
---|
| 357 | #endif // GTEST_HAS_STD_WSTRING |
---|
| 358 | |
---|
| 359 | #ifndef GTEST_HAS_GLOBAL_WSTRING |
---|
| 360 | // The user didn't tell us whether ::wstring is available, so we need |
---|
| 361 | // to figure it out. |
---|
| 362 | # define GTEST_HAS_GLOBAL_WSTRING \ |
---|
| 363 | (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) |
---|
| 364 | #endif // GTEST_HAS_GLOBAL_WSTRING |
---|
| 365 | |
---|
| 366 | // Determines whether RTTI is available. |
---|
| 367 | #ifndef GTEST_HAS_RTTI |
---|
| 368 | // The user didn't tell us whether RTTI is enabled, so we need to |
---|
| 369 | // figure it out. |
---|
| 370 | |
---|
| 371 | # ifdef _MSC_VER |
---|
| 372 | |
---|
| 373 | # ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. |
---|
| 374 | # define GTEST_HAS_RTTI 1 |
---|
| 375 | # else |
---|
| 376 | # define GTEST_HAS_RTTI 0 |
---|
| 377 | # endif |
---|
| 378 | |
---|
| 379 | // Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. |
---|
| 380 | # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) |
---|
| 381 | |
---|
| 382 | # ifdef __GXX_RTTI |
---|
| 383 | # define GTEST_HAS_RTTI 1 |
---|
| 384 | # else |
---|
| 385 | # define GTEST_HAS_RTTI 0 |
---|
| 386 | # endif // __GXX_RTTI |
---|
| 387 | |
---|
| 388 | // Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if |
---|
| 389 | // both the typeid and dynamic_cast features are present. |
---|
| 390 | # elif defined(__IBMCPP__) && (__IBMCPP__ >= 900) |
---|
| 391 | |
---|
| 392 | # ifdef __RTTI_ALL__ |
---|
| 393 | # define GTEST_HAS_RTTI 1 |
---|
| 394 | # else |
---|
| 395 | # define GTEST_HAS_RTTI 0 |
---|
| 396 | # endif |
---|
| 397 | |
---|
| 398 | # else |
---|
| 399 | |
---|
| 400 | // For all other compilers, we assume RTTI is enabled. |
---|
| 401 | # define GTEST_HAS_RTTI 1 |
---|
| 402 | |
---|
| 403 | # endif // _MSC_VER |
---|
| 404 | |
---|
| 405 | #endif // GTEST_HAS_RTTI |
---|
| 406 | |
---|
| 407 | // It's this header's responsibility to #include <typeinfo> when RTTI |
---|
| 408 | // is enabled. |
---|
| 409 | #if GTEST_HAS_RTTI |
---|
| 410 | # include <typeinfo> |
---|
| 411 | #endif |
---|
| 412 | |
---|
| 413 | // Determines whether Google Test can use the pthreads library. |
---|
| 414 | #ifndef GTEST_HAS_PTHREAD |
---|
| 415 | // The user didn't tell us explicitly, so we assume pthreads support is |
---|
| 416 | // available on Linux and Mac. |
---|
| 417 | // |
---|
| 418 | // To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 |
---|
| 419 | // to your compiler flags. |
---|
| 420 | # define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX) |
---|
| 421 | #endif // GTEST_HAS_PTHREAD |
---|
| 422 | |
---|
| 423 | #if GTEST_HAS_PTHREAD |
---|
| 424 | // gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is |
---|
| 425 | // true. |
---|
| 426 | # include <pthread.h> // NOLINT |
---|
| 427 | |
---|
| 428 | // For timespec and nanosleep, used below. |
---|
| 429 | # include <time.h> // NOLINT |
---|
| 430 | #endif |
---|
| 431 | |
---|
| 432 | // Determines whether Google Test can use tr1/tuple. You can define |
---|
| 433 | // this macro to 0 to prevent Google Test from using tuple (any |
---|
| 434 | // feature depending on tuple with be disabled in this mode). |
---|
| 435 | #ifndef GTEST_HAS_TR1_TUPLE |
---|
| 436 | // The user didn't tell us not to do it, so we assume it's OK. |
---|
| 437 | # define GTEST_HAS_TR1_TUPLE 1 |
---|
| 438 | #endif // GTEST_HAS_TR1_TUPLE |
---|
| 439 | |
---|
| 440 | // Determines whether Google Test's own tr1 tuple implementation |
---|
| 441 | // should be used. |
---|
| 442 | #ifndef GTEST_USE_OWN_TR1_TUPLE |
---|
| 443 | // The user didn't tell us, so we need to figure it out. |
---|
| 444 | |
---|
| 445 | // We use our own TR1 tuple if we aren't sure the user has an |
---|
| 446 | // implementation of it already. At this time, GCC 4.0.0+ and MSVC |
---|
| 447 | // 2010 are the only mainstream compilers that come with a TR1 tuple |
---|
| 448 | // implementation. NVIDIA's CUDA NVCC compiler pretends to be GCC by |
---|
| 449 | // defining __GNUC__ and friends, but cannot compile GCC's tuple |
---|
| 450 | // implementation. MSVC 2008 (9.0) provides TR1 tuple in a 323 MB |
---|
| 451 | // Feature Pack download, which we cannot assume the user has. |
---|
| 452 | # if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000)) \ |
---|
| 453 | || _MSC_VER >= 1600 |
---|
| 454 | # define GTEST_USE_OWN_TR1_TUPLE 0 |
---|
| 455 | # else |
---|
| 456 | # define GTEST_USE_OWN_TR1_TUPLE 1 |
---|
| 457 | # endif |
---|
| 458 | |
---|
| 459 | #endif // GTEST_USE_OWN_TR1_TUPLE |
---|
| 460 | |
---|
| 461 | // To avoid conditional compilation everywhere, we make it |
---|
| 462 | // gtest-port.h's responsibility to #include the header implementing |
---|
| 463 | // tr1/tuple. |
---|
| 464 | #if GTEST_HAS_TR1_TUPLE |
---|
| 465 | |
---|
| 466 | # if GTEST_USE_OWN_TR1_TUPLE |
---|
| 467 | # include "gtest/internal/gtest-tuple.h" |
---|
| 468 | # elif GTEST_OS_SYMBIAN |
---|
| 469 | |
---|
| 470 | // On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to |
---|
| 471 | // use STLport's tuple implementation, which unfortunately doesn't |
---|
| 472 | // work as the copy of STLport distributed with Symbian is incomplete. |
---|
| 473 | // By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to |
---|
| 474 | // use its own tuple implementation. |
---|
| 475 | # ifdef BOOST_HAS_TR1_TUPLE |
---|
| 476 | # undef BOOST_HAS_TR1_TUPLE |
---|
| 477 | # endif // BOOST_HAS_TR1_TUPLE |
---|
| 478 | |
---|
| 479 | // This prevents <boost/tr1/detail/config.hpp>, which defines |
---|
| 480 | // BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>. |
---|
| 481 | # define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED |
---|
| 482 | # include <tuple> |
---|
| 483 | |
---|
| 484 | # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) |
---|
| 485 | // GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does |
---|
| 486 | // not conform to the TR1 spec, which requires the header to be <tuple>. |
---|
| 487 | |
---|
| 488 | # if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 |
---|
| 489 | // Until version 4.3.2, gcc has a bug that causes <tr1/functional>, |
---|
| 490 | // which is #included by <tr1/tuple>, to not compile when RTTI is |
---|
| 491 | // disabled. _TR1_FUNCTIONAL is the header guard for |
---|
| 492 | // <tr1/functional>. Hence the following #define is a hack to prevent |
---|
| 493 | // <tr1/functional> from being included. |
---|
| 494 | # define _TR1_FUNCTIONAL 1 |
---|
| 495 | # include <tr1/tuple> |
---|
| 496 | # undef _TR1_FUNCTIONAL // Allows the user to #include |
---|
| 497 | // <tr1/functional> if he chooses to. |
---|
| 498 | # else |
---|
| 499 | # include <tr1/tuple> // NOLINT |
---|
| 500 | # endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 |
---|
| 501 | |
---|
| 502 | # else |
---|
| 503 | // If the compiler is not GCC 4.0+, we assume the user is using a |
---|
| 504 | // spec-conforming TR1 implementation. |
---|
| 505 | # include <tuple> // NOLINT |
---|
| 506 | # endif // GTEST_USE_OWN_TR1_TUPLE |
---|
| 507 | |
---|
| 508 | #endif // GTEST_HAS_TR1_TUPLE |
---|
| 509 | |
---|
| 510 | // Determines whether clone(2) is supported. |
---|
| 511 | // Usually it will only be available on Linux, excluding |
---|
| 512 | // Linux on the Itanium architecture. |
---|
| 513 | // Also see http://linux.die.net/man/2/clone. |
---|
| 514 | #ifndef GTEST_HAS_CLONE |
---|
| 515 | // The user didn't tell us, so we need to figure it out. |
---|
| 516 | |
---|
| 517 | # if GTEST_OS_LINUX && !defined(__ia64__) |
---|
| 518 | # define GTEST_HAS_CLONE 1 |
---|
| 519 | # else |
---|
| 520 | # define GTEST_HAS_CLONE 0 |
---|
| 521 | # endif // GTEST_OS_LINUX && !defined(__ia64__) |
---|
| 522 | |
---|
| 523 | #endif // GTEST_HAS_CLONE |
---|
| 524 | |
---|
| 525 | // Determines whether to support stream redirection. This is used to test |
---|
| 526 | // output correctness and to implement death tests. |
---|
| 527 | #ifndef GTEST_HAS_STREAM_REDIRECTION |
---|
| 528 | // By default, we assume that stream redirection is supported on all |
---|
| 529 | // platforms except known mobile ones. |
---|
| 530 | # if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN |
---|
| 531 | # define GTEST_HAS_STREAM_REDIRECTION 0 |
---|
| 532 | # else |
---|
| 533 | # define GTEST_HAS_STREAM_REDIRECTION 1 |
---|
| 534 | # endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN |
---|
| 535 | #endif // GTEST_HAS_STREAM_REDIRECTION |
---|
| 536 | |
---|
| 537 | // Determines whether to support death tests. |
---|
| 538 | // Google Test does not support death tests for VC 7.1 and earlier as |
---|
| 539 | // abort() in a VC 7.1 application compiled as GUI in debug config |
---|
| 540 | // pops up a dialog window that cannot be suppressed programmatically. |
---|
| 541 | #if (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ |
---|
| 542 | (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ |
---|
| 543 | GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX) |
---|
| 544 | # define GTEST_HAS_DEATH_TEST 1 |
---|
| 545 | # include <vector> // NOLINT |
---|
| 546 | #endif |
---|
| 547 | |
---|
| 548 | // We don't support MSVC 7.1 with exceptions disabled now. Therefore |
---|
| 549 | // all the compilers we care about are adequate for supporting |
---|
| 550 | // value-parameterized tests. |
---|
| 551 | #define GTEST_HAS_PARAM_TEST 1 |
---|
| 552 | |
---|
| 553 | // Determines whether to support type-driven tests. |
---|
| 554 | |
---|
| 555 | // Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, |
---|
| 556 | // Sun Pro CC, IBM Visual Age, and HP aCC support. |
---|
| 557 | #if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ |
---|
| 558 | defined(__IBMCPP__) || defined(__HP_aCC) |
---|
| 559 | # define GTEST_HAS_TYPED_TEST 1 |
---|
| 560 | # define GTEST_HAS_TYPED_TEST_P 1 |
---|
| 561 | #endif |
---|
| 562 | |
---|
| 563 | // Determines whether to support Combine(). This only makes sense when |
---|
| 564 | // value-parameterized tests are enabled. The implementation doesn't |
---|
| 565 | // work on Sun Studio since it doesn't understand templated conversion |
---|
| 566 | // operators. |
---|
| 567 | #if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) |
---|
| 568 | # define GTEST_HAS_COMBINE 1 |
---|
| 569 | #endif |
---|
| 570 | |
---|
| 571 | // Determines whether the system compiler uses UTF-16 for encoding wide strings. |
---|
| 572 | #define GTEST_WIDE_STRING_USES_UTF16_ \ |
---|
| 573 | (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) |
---|
| 574 | |
---|
| 575 | // Determines whether test results can be streamed to a socket. |
---|
| 576 | #if GTEST_OS_LINUX |
---|
| 577 | # define GTEST_CAN_STREAM_RESULTS_ 1 |
---|
| 578 | #endif |
---|
| 579 | |
---|
| 580 | // Defines some utility macros. |
---|
| 581 | |
---|
| 582 | // The GNU compiler emits a warning if nested "if" statements are followed by |
---|
| 583 | // an "else" statement and braces are not used to explicitly disambiguate the |
---|
| 584 | // "else" binding. This leads to problems with code like: |
---|
| 585 | // |
---|
| 586 | // if (gate) |
---|
| 587 | // ASSERT_*(condition) << "Some message"; |
---|
| 588 | // |
---|
| 589 | // The "switch (0) case 0:" idiom is used to suppress this. |
---|
| 590 | #ifdef __INTEL_COMPILER |
---|
| 591 | # define GTEST_AMBIGUOUS_ELSE_BLOCKER_ |
---|
| 592 | #else |
---|
| 593 | # define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT |
---|
| 594 | #endif |
---|
| 595 | |
---|
| 596 | // Use this annotation at the end of a struct/class definition to |
---|
| 597 | // prevent the compiler from optimizing away instances that are never |
---|
| 598 | // used. This is useful when all interesting logic happens inside the |
---|
| 599 | // c'tor and / or d'tor. Example: |
---|
| 600 | // |
---|
| 601 | // struct Foo { |
---|
| 602 | // Foo() { ... } |
---|
| 603 | // } GTEST_ATTRIBUTE_UNUSED_; |
---|
| 604 | // |
---|
| 605 | // Also use it after a variable or parameter declaration to tell the |
---|
| 606 | // compiler the variable/parameter does not have to be used. |
---|
| 607 | #if defined(__GNUC__) && !defined(COMPILER_ICC) |
---|
| 608 | # define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) |
---|
| 609 | #else |
---|
| 610 | # define GTEST_ATTRIBUTE_UNUSED_ |
---|
| 611 | #endif |
---|
| 612 | |
---|
| 613 | // A macro to disallow operator= |
---|
| 614 | // This should be used in the private: declarations for a class. |
---|
| 615 | #define GTEST_DISALLOW_ASSIGN_(type)\ |
---|
| 616 | void operator=(type const &) |
---|
| 617 | |
---|
| 618 | // A macro to disallow copy constructor and operator= |
---|
| 619 | // This should be used in the private: declarations for a class. |
---|
| 620 | #define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ |
---|
| 621 | type(type const &);\ |
---|
| 622 | GTEST_DISALLOW_ASSIGN_(type) |
---|
| 623 | |
---|
| 624 | // Tell the compiler to warn about unused return values for functions declared |
---|
| 625 | // with this macro. The macro should be used on function declarations |
---|
| 626 | // following the argument list: |
---|
| 627 | // |
---|
| 628 | // Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; |
---|
| 629 | #if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) |
---|
| 630 | # define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) |
---|
| 631 | #else |
---|
| 632 | # define GTEST_MUST_USE_RESULT_ |
---|
| 633 | #endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC |
---|
| 634 | |
---|
| 635 | // Determine whether the compiler supports Microsoft's Structured Exception |
---|
| 636 | // Handling. This is supported by several Windows compilers but generally |
---|
| 637 | // does not exist on any other system. |
---|
| 638 | #ifndef GTEST_HAS_SEH |
---|
| 639 | // The user didn't tell us, so we need to figure it out. |
---|
| 640 | |
---|
| 641 | # if defined(_MSC_VER) || defined(__BORLANDC__) |
---|
| 642 | // These two compilers are known to support SEH. |
---|
| 643 | # define GTEST_HAS_SEH 1 |
---|
| 644 | # else |
---|
| 645 | // Assume no SEH. |
---|
| 646 | # define GTEST_HAS_SEH 0 |
---|
| 647 | # endif |
---|
| 648 | |
---|
| 649 | #endif // GTEST_HAS_SEH |
---|
| 650 | |
---|
| 651 | #ifdef _MSC_VER |
---|
| 652 | |
---|
| 653 | # if GTEST_LINKED_AS_SHARED_LIBRARY |
---|
| 654 | # define GTEST_API_ __declspec(dllimport) |
---|
| 655 | # elif GTEST_CREATE_SHARED_LIBRARY |
---|
| 656 | # define GTEST_API_ __declspec(dllexport) |
---|
| 657 | # endif |
---|
| 658 | |
---|
| 659 | #endif // _MSC_VER |
---|
| 660 | |
---|
| 661 | #ifndef GTEST_API_ |
---|
| 662 | # define GTEST_API_ |
---|
| 663 | #endif |
---|
| 664 | |
---|
| 665 | #ifdef __GNUC__ |
---|
| 666 | // Ask the compiler to never inline a given function. |
---|
| 667 | # define GTEST_NO_INLINE_ __attribute__((noinline)) |
---|
| 668 | #else |
---|
| 669 | # define GTEST_NO_INLINE_ |
---|
| 670 | #endif |
---|
| 671 | |
---|
| 672 | namespace testing { |
---|
| 673 | |
---|
| 674 | class Message; |
---|
| 675 | |
---|
| 676 | namespace internal { |
---|
| 677 | |
---|
| 678 | class String; |
---|
| 679 | |
---|
| 680 | // The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time |
---|
| 681 | // expression is true. For example, you could use it to verify the |
---|
| 682 | // size of a static array: |
---|
| 683 | // |
---|
| 684 | // GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES, |
---|
| 685 | // content_type_names_incorrect_size); |
---|
| 686 | // |
---|
| 687 | // or to make sure a struct is smaller than a certain size: |
---|
| 688 | // |
---|
| 689 | // GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); |
---|
| 690 | // |
---|
| 691 | // The second argument to the macro is the name of the variable. If |
---|
| 692 | // the expression is false, most compilers will issue a warning/error |
---|
| 693 | // containing the name of the variable. |
---|
| 694 | |
---|
| 695 | template <bool> |
---|
| 696 | struct CompileAssert { |
---|
| 697 | }; |
---|
| 698 | |
---|
| 699 | #define GTEST_COMPILE_ASSERT_(expr, msg) \ |
---|
| 700 | typedef ::testing::internal::CompileAssert<(bool(expr))> \ |
---|
| 701 | msg[bool(expr) ? 1 : -1] |
---|
| 702 | |
---|
| 703 | // Implementation details of GTEST_COMPILE_ASSERT_: |
---|
| 704 | // |
---|
| 705 | // - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 |
---|
| 706 | // elements (and thus is invalid) when the expression is false. |
---|
| 707 | // |
---|
| 708 | // - The simpler definition |
---|
| 709 | // |
---|
| 710 | // #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] |
---|
| 711 | // |
---|
| 712 | // does not work, as gcc supports variable-length arrays whose sizes |
---|
| 713 | // are determined at run-time (this is gcc's extension and not part |
---|
| 714 | // of the C++ standard). As a result, gcc fails to reject the |
---|
| 715 | // following code with the simple definition: |
---|
| 716 | // |
---|
| 717 | // int foo; |
---|
| 718 | // GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is |
---|
| 719 | // // not a compile-time constant. |
---|
| 720 | // |
---|
| 721 | // - By using the type CompileAssert<(bool(expr))>, we ensures that |
---|
| 722 | // expr is a compile-time constant. (Template arguments must be |
---|
| 723 | // determined at compile-time.) |
---|
| 724 | // |
---|
| 725 | // - The outter parentheses in CompileAssert<(bool(expr))> are necessary |
---|
| 726 | // to work around a bug in gcc 3.4.4 and 4.0.1. If we had written |
---|
| 727 | // |
---|
| 728 | // CompileAssert<bool(expr)> |
---|
| 729 | // |
---|
| 730 | // instead, these compilers will refuse to compile |
---|
| 731 | // |
---|
| 732 | // GTEST_COMPILE_ASSERT_(5 > 0, some_message); |
---|
| 733 | // |
---|
| 734 | // (They seem to think the ">" in "5 > 0" marks the end of the |
---|
| 735 | // template argument list.) |
---|
| 736 | // |
---|
| 737 | // - The array size is (bool(expr) ? 1 : -1), instead of simply |
---|
| 738 | // |
---|
| 739 | // ((expr) ? 1 : -1). |
---|
| 740 | // |
---|
| 741 | // This is to avoid running into a bug in MS VC 7.1, which |
---|
| 742 | // causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. |
---|
| 743 | |
---|
| 744 | // StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. |
---|
| 745 | // |
---|
| 746 | // This template is declared, but intentionally undefined. |
---|
| 747 | template <typename T1, typename T2> |
---|
| 748 | struct StaticAssertTypeEqHelper; |
---|
| 749 | |
---|
| 750 | template <typename T> |
---|
| 751 | struct StaticAssertTypeEqHelper<T, T> {}; |
---|
| 752 | |
---|
| 753 | #if GTEST_HAS_GLOBAL_STRING |
---|
| 754 | typedef ::string string; |
---|
| 755 | #else |
---|
| 756 | typedef ::std::string string; |
---|
| 757 | #endif // GTEST_HAS_GLOBAL_STRING |
---|
| 758 | |
---|
| 759 | #if GTEST_HAS_GLOBAL_WSTRING |
---|
| 760 | typedef ::wstring wstring; |
---|
| 761 | #elif GTEST_HAS_STD_WSTRING |
---|
| 762 | typedef ::std::wstring wstring; |
---|
| 763 | #endif // GTEST_HAS_GLOBAL_WSTRING |
---|
| 764 | |
---|
| 765 | // A helper for suppressing warnings on constant condition. It just |
---|
| 766 | // returns 'condition'. |
---|
| 767 | GTEST_API_ bool IsTrue(bool condition); |
---|
| 768 | |
---|
| 769 | // Defines scoped_ptr. |
---|
| 770 | |
---|
| 771 | // This implementation of scoped_ptr is PARTIAL - it only contains |
---|
| 772 | // enough stuff to satisfy Google Test's need. |
---|
| 773 | template <typename T> |
---|
| 774 | class scoped_ptr { |
---|
| 775 | public: |
---|
| 776 | typedef T element_type; |
---|
| 777 | |
---|
| 778 | explicit scoped_ptr(T* p = NULL) : ptr_(p) {} |
---|
| 779 | ~scoped_ptr() { reset(); } |
---|
| 780 | |
---|
| 781 | T& operator*() const { return *ptr_; } |
---|
| 782 | T* operator->() const { return ptr_; } |
---|
| 783 | T* get() const { return ptr_; } |
---|
| 784 | |
---|
| 785 | T* release() { |
---|
| 786 | T* const ptr = ptr_; |
---|
| 787 | ptr_ = NULL; |
---|
| 788 | return ptr; |
---|
| 789 | } |
---|
| 790 | |
---|
| 791 | void reset(T* p = NULL) { |
---|
| 792 | if (p != ptr_) { |
---|
| 793 | if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. |
---|
| 794 | delete ptr_; |
---|
| 795 | } |
---|
| 796 | ptr_ = p; |
---|
| 797 | } |
---|
| 798 | } |
---|
| 799 | private: |
---|
| 800 | T* ptr_; |
---|
| 801 | |
---|
| 802 | GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); |
---|
| 803 | }; |
---|
| 804 | |
---|
| 805 | // Defines RE. |
---|
| 806 | |
---|
| 807 | // A simple C++ wrapper for <regex.h>. It uses the POSIX Extended |
---|
| 808 | // Regular Expression syntax. |
---|
| 809 | class GTEST_API_ RE { |
---|
| 810 | public: |
---|
| 811 | // A copy constructor is required by the Standard to initialize object |
---|
| 812 | // references from r-values. |
---|
| 813 | RE(const RE& other) { Init(other.pattern()); } |
---|
| 814 | |
---|
| 815 | // Constructs an RE from a string. |
---|
| 816 | RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT |
---|
| 817 | |
---|
| 818 | #if GTEST_HAS_GLOBAL_STRING |
---|
| 819 | |
---|
| 820 | RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT |
---|
| 821 | |
---|
| 822 | #endif // GTEST_HAS_GLOBAL_STRING |
---|
| 823 | |
---|
| 824 | RE(const char* regex) { Init(regex); } // NOLINT |
---|
| 825 | ~RE(); |
---|
| 826 | |
---|
| 827 | // Returns the string representation of the regex. |
---|
| 828 | const char* pattern() const { return pattern_; } |
---|
| 829 | |
---|
| 830 | // FullMatch(str, re) returns true iff regular expression re matches |
---|
| 831 | // the entire str. |
---|
| 832 | // PartialMatch(str, re) returns true iff regular expression re |
---|
| 833 | // matches a substring of str (including str itself). |
---|
| 834 | // |
---|
| 835 | // TODO(wan@google.com): make FullMatch() and PartialMatch() work |
---|
| 836 | // when str contains NUL characters. |
---|
| 837 | static bool FullMatch(const ::std::string& str, const RE& re) { |
---|
| 838 | return FullMatch(str.c_str(), re); |
---|
| 839 | } |
---|
| 840 | static bool PartialMatch(const ::std::string& str, const RE& re) { |
---|
| 841 | return PartialMatch(str.c_str(), re); |
---|
| 842 | } |
---|
| 843 | |
---|
| 844 | #if GTEST_HAS_GLOBAL_STRING |
---|
| 845 | |
---|
| 846 | static bool FullMatch(const ::string& str, const RE& re) { |
---|
| 847 | return FullMatch(str.c_str(), re); |
---|
| 848 | } |
---|
| 849 | static bool PartialMatch(const ::string& str, const RE& re) { |
---|
| 850 | return PartialMatch(str.c_str(), re); |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | #endif // GTEST_HAS_GLOBAL_STRING |
---|
| 854 | |
---|
| 855 | static bool FullMatch(const char* str, const RE& re); |
---|
| 856 | static bool PartialMatch(const char* str, const RE& re); |
---|
| 857 | |
---|
| 858 | private: |
---|
| 859 | void Init(const char* regex); |
---|
| 860 | |
---|
| 861 | // We use a const char* instead of a string, as Google Test may be used |
---|
| 862 | // where string is not available. We also do not use Google Test's own |
---|
| 863 | // String type here, in order to simplify dependencies between the |
---|
| 864 | // files. |
---|
| 865 | const char* pattern_; |
---|
| 866 | bool is_valid_; |
---|
| 867 | |
---|
| 868 | #if GTEST_USES_POSIX_RE |
---|
| 869 | |
---|
| 870 | regex_t full_regex_; // For FullMatch(). |
---|
| 871 | regex_t partial_regex_; // For PartialMatch(). |
---|
| 872 | |
---|
| 873 | #else // GTEST_USES_SIMPLE_RE |
---|
| 874 | |
---|
| 875 | const char* full_pattern_; // For FullMatch(); |
---|
| 876 | |
---|
| 877 | #endif |
---|
| 878 | |
---|
| 879 | GTEST_DISALLOW_ASSIGN_(RE); |
---|
| 880 | }; |
---|
| 881 | |
---|
| 882 | // Formats a source file path and a line number as they would appear |
---|
| 883 | // in an error message from the compiler used to compile this code. |
---|
| 884 | GTEST_API_ ::std::string FormatFileLocation(const char* file, int line); |
---|
| 885 | |
---|
| 886 | // Formats a file location for compiler-independent XML output. |
---|
| 887 | // Although this function is not platform dependent, we put it next to |
---|
| 888 | // FormatFileLocation in order to contrast the two functions. |
---|
| 889 | GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file, |
---|
| 890 | int line); |
---|
| 891 | |
---|
| 892 | // Defines logging utilities: |
---|
| 893 | // GTEST_LOG_(severity) - logs messages at the specified severity level. The |
---|
| 894 | // message itself is streamed into the macro. |
---|
| 895 | // LogToStderr() - directs all log messages to stderr. |
---|
| 896 | // FlushInfoLog() - flushes informational log messages. |
---|
| 897 | |
---|
| 898 | enum GTestLogSeverity { |
---|
| 899 | GTEST_INFO, |
---|
| 900 | GTEST_WARNING, |
---|
| 901 | GTEST_ERROR, |
---|
| 902 | GTEST_FATAL |
---|
| 903 | }; |
---|
| 904 | |
---|
| 905 | // Formats log entry severity, provides a stream object for streaming the |
---|
| 906 | // log message, and terminates the message with a newline when going out of |
---|
| 907 | // scope. |
---|
| 908 | class GTEST_API_ GTestLog { |
---|
| 909 | public: |
---|
| 910 | GTestLog(GTestLogSeverity severity, const char* file, int line); |
---|
| 911 | |
---|
| 912 | // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. |
---|
| 913 | ~GTestLog(); |
---|
| 914 | |
---|
| 915 | ::std::ostream& GetStream() { return ::std::cerr; } |
---|
| 916 | |
---|
| 917 | private: |
---|
| 918 | const GTestLogSeverity severity_; |
---|
| 919 | |
---|
| 920 | GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog); |
---|
| 921 | }; |
---|
| 922 | |
---|
| 923 | #define GTEST_LOG_(severity) \ |
---|
| 924 | ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \ |
---|
| 925 | __FILE__, __LINE__).GetStream() |
---|
| 926 | |
---|
| 927 | inline void LogToStderr() {} |
---|
| 928 | inline void FlushInfoLog() { fflush(NULL); } |
---|
| 929 | |
---|
| 930 | // INTERNAL IMPLEMENTATION - DO NOT USE. |
---|
| 931 | // |
---|
| 932 | // GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition |
---|
| 933 | // is not satisfied. |
---|
| 934 | // Synopsys: |
---|
| 935 | // GTEST_CHECK_(boolean_condition); |
---|
| 936 | // or |
---|
| 937 | // GTEST_CHECK_(boolean_condition) << "Additional message"; |
---|
| 938 | // |
---|
| 939 | // This checks the condition and if the condition is not satisfied |
---|
| 940 | // it prints message about the condition violation, including the |
---|
| 941 | // condition itself, plus additional message streamed into it, if any, |
---|
| 942 | // and then it aborts the program. It aborts the program irrespective of |
---|
| 943 | // whether it is built in the debug mode or not. |
---|
| 944 | #define GTEST_CHECK_(condition) \ |
---|
| 945 | GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ |
---|
| 946 | if (::testing::internal::IsTrue(condition)) \ |
---|
| 947 | ; \ |
---|
| 948 | else \ |
---|
| 949 | GTEST_LOG_(FATAL) << "Condition " #condition " failed. " |
---|
| 950 | |
---|
| 951 | // An all-mode assert to verify that the given POSIX-style function |
---|
| 952 | // call returns 0 (indicating success). Known limitation: this |
---|
| 953 | // doesn't expand to a balanced 'if' statement, so enclose the macro |
---|
| 954 | // in {} if you need to use it as the only statement in an 'if' |
---|
| 955 | // branch. |
---|
| 956 | #define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \ |
---|
| 957 | if (const int gtest_error = (posix_call)) \ |
---|
| 958 | GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ |
---|
| 959 | << gtest_error |
---|
| 960 | |
---|
| 961 | // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. |
---|
| 962 | // |
---|
| 963 | // Use ImplicitCast_ as a safe version of static_cast for upcasting in |
---|
| 964 | // the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a |
---|
| 965 | // const Foo*). When you use ImplicitCast_, the compiler checks that |
---|
| 966 | // the cast is safe. Such explicit ImplicitCast_s are necessary in |
---|
| 967 | // surprisingly many situations where C++ demands an exact type match |
---|
| 968 | // instead of an argument type convertable to a target type. |
---|
| 969 | // |
---|
| 970 | // The syntax for using ImplicitCast_ is the same as for static_cast: |
---|
| 971 | // |
---|
| 972 | // ImplicitCast_<ToType>(expr) |
---|
| 973 | // |
---|
| 974 | // ImplicitCast_ would have been part of the C++ standard library, |
---|
| 975 | // but the proposal was submitted too late. It will probably make |
---|
| 976 | // its way into the language in the future. |
---|
| 977 | // |
---|
| 978 | // This relatively ugly name is intentional. It prevents clashes with |
---|
| 979 | // similar functions users may have (e.g., implicit_cast). The internal |
---|
| 980 | // namespace alone is not enough because the function can be found by ADL. |
---|
| 981 | template<typename To> |
---|
| 982 | inline To ImplicitCast_(To x) { return x; } |
---|
| 983 | |
---|
| 984 | // When you upcast (that is, cast a pointer from type Foo to type |
---|
| 985 | // SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts |
---|
| 986 | // always succeed. When you downcast (that is, cast a pointer from |
---|
| 987 | // type Foo to type SubclassOfFoo), static_cast<> isn't safe, because |
---|
| 988 | // how do you know the pointer is really of type SubclassOfFoo? It |
---|
| 989 | // could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, |
---|
| 990 | // when you downcast, you should use this macro. In debug mode, we |
---|
| 991 | // use dynamic_cast<> to double-check the downcast is legal (we die |
---|
| 992 | // if it's not). In normal mode, we do the efficient static_cast<> |
---|
| 993 | // instead. Thus, it's important to test in debug mode to make sure |
---|
| 994 | // the cast is legal! |
---|
| 995 | // This is the only place in the code we should use dynamic_cast<>. |
---|
| 996 | // In particular, you SHOULDN'T be using dynamic_cast<> in order to |
---|
| 997 | // do RTTI (eg code like this: |
---|
| 998 | // if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); |
---|
| 999 | // if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); |
---|
| 1000 | // You should design the code some other way not to need this. |
---|
| 1001 | // |
---|
| 1002 | // This relatively ugly name is intentional. It prevents clashes with |
---|
| 1003 | // similar functions users may have (e.g., down_cast). The internal |
---|
| 1004 | // namespace alone is not enough because the function can be found by ADL. |
---|
| 1005 | template<typename To, typename From> // use like this: DownCast_<T*>(foo); |
---|
| 1006 | inline To DownCast_(From* f) { // so we only accept pointers |
---|
| 1007 | // Ensures that To is a sub-type of From *. This test is here only |
---|
| 1008 | // for compile-time type checking, and has no overhead in an |
---|
| 1009 | // optimized build at run-time, as it will be optimized away |
---|
| 1010 | // completely. |
---|
| 1011 | if (false) { |
---|
| 1012 | const To to = NULL; |
---|
| 1013 | ::testing::internal::ImplicitCast_<From*>(to); |
---|
| 1014 | } |
---|
| 1015 | |
---|
| 1016 | #if GTEST_HAS_RTTI |
---|
| 1017 | // RTTI: debug mode only! |
---|
| 1018 | GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); |
---|
| 1019 | #endif |
---|
| 1020 | return static_cast<To>(f); |
---|
| 1021 | } |
---|
| 1022 | |
---|
| 1023 | // Downcasts the pointer of type Base to Derived. |
---|
| 1024 | // Derived must be a subclass of Base. The parameter MUST |
---|
| 1025 | // point to a class of type Derived, not any subclass of it. |
---|
| 1026 | // When RTTI is available, the function performs a runtime |
---|
| 1027 | // check to enforce this. |
---|
| 1028 | template <class Derived, class Base> |
---|
| 1029 | Derived* CheckedDowncastToActualType(Base* base) { |
---|
| 1030 | #if GTEST_HAS_RTTI |
---|
| 1031 | GTEST_CHECK_(typeid(*base) == typeid(Derived)); |
---|
| 1032 | return dynamic_cast<Derived*>(base); // NOLINT |
---|
| 1033 | #else |
---|
| 1034 | return static_cast<Derived*>(base); // Poor man's downcast. |
---|
| 1035 | #endif |
---|
| 1036 | } |
---|
| 1037 | |
---|
| 1038 | #if GTEST_HAS_STREAM_REDIRECTION |
---|
| 1039 | |
---|
| 1040 | // Defines the stderr capturer: |
---|
| 1041 | // CaptureStdout - starts capturing stdout. |
---|
| 1042 | // GetCapturedStdout - stops capturing stdout and returns the captured string. |
---|
| 1043 | // CaptureStderr - starts capturing stderr. |
---|
| 1044 | // GetCapturedStderr - stops capturing stderr and returns the captured string. |
---|
| 1045 | // |
---|
| 1046 | GTEST_API_ void CaptureStdout(); |
---|
| 1047 | GTEST_API_ String GetCapturedStdout(); |
---|
| 1048 | GTEST_API_ void CaptureStderr(); |
---|
| 1049 | GTEST_API_ String GetCapturedStderr(); |
---|
| 1050 | |
---|
| 1051 | #endif // GTEST_HAS_STREAM_REDIRECTION |
---|
| 1052 | |
---|
| 1053 | |
---|
| 1054 | #if GTEST_HAS_DEATH_TEST |
---|
| 1055 | |
---|
| 1056 | // A copy of all command line arguments. Set by InitGoogleTest(). |
---|
| 1057 | extern ::std::vector<String> g_argvs; |
---|
| 1058 | |
---|
| 1059 | // GTEST_HAS_DEATH_TEST implies we have ::std::string. |
---|
| 1060 | const ::std::vector<String>& GetArgvs(); |
---|
| 1061 | |
---|
| 1062 | #endif // GTEST_HAS_DEATH_TEST |
---|
| 1063 | |
---|
| 1064 | // Defines synchronization primitives. |
---|
| 1065 | |
---|
| 1066 | #if GTEST_HAS_PTHREAD |
---|
| 1067 | |
---|
| 1068 | // Sleeps for (roughly) n milli-seconds. This function is only for |
---|
| 1069 | // testing Google Test's own constructs. Don't use it in user tests, |
---|
| 1070 | // either directly or indirectly. |
---|
| 1071 | inline void SleepMilliseconds(int n) { |
---|
| 1072 | const timespec time = { |
---|
| 1073 | 0, // 0 seconds. |
---|
| 1074 | n * 1000L * 1000L, // And n ms. |
---|
| 1075 | }; |
---|
| 1076 | nanosleep(&time, NULL); |
---|
| 1077 | } |
---|
| 1078 | |
---|
| 1079 | // Allows a controller thread to pause execution of newly created |
---|
| 1080 | // threads until notified. Instances of this class must be created |
---|
| 1081 | // and destroyed in the controller thread. |
---|
| 1082 | // |
---|
| 1083 | // This class is only for testing Google Test's own constructs. Do not |
---|
| 1084 | // use it in user tests, either directly or indirectly. |
---|
| 1085 | class Notification { |
---|
| 1086 | public: |
---|
| 1087 | Notification() : notified_(false) {} |
---|
| 1088 | |
---|
| 1089 | // Notifies all threads created with this notification to start. Must |
---|
| 1090 | // be called from the controller thread. |
---|
| 1091 | void Notify() { notified_ = true; } |
---|
| 1092 | |
---|
| 1093 | // Blocks until the controller thread notifies. Must be called from a test |
---|
| 1094 | // thread. |
---|
| 1095 | void WaitForNotification() { |
---|
| 1096 | while(!notified_) { |
---|
| 1097 | SleepMilliseconds(10); |
---|
| 1098 | } |
---|
| 1099 | } |
---|
| 1100 | |
---|
| 1101 | private: |
---|
| 1102 | volatile bool notified_; |
---|
| 1103 | |
---|
| 1104 | GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); |
---|
| 1105 | }; |
---|
| 1106 | |
---|
| 1107 | // As a C-function, ThreadFuncWithCLinkage cannot be templated itself. |
---|
| 1108 | // Consequently, it cannot select a correct instantiation of ThreadWithParam |
---|
| 1109 | // in order to call its Run(). Introducing ThreadWithParamBase as a |
---|
| 1110 | // non-templated base class for ThreadWithParam allows us to bypass this |
---|
| 1111 | // problem. |
---|
| 1112 | class ThreadWithParamBase { |
---|
| 1113 | public: |
---|
| 1114 | virtual ~ThreadWithParamBase() {} |
---|
| 1115 | virtual void Run() = 0; |
---|
| 1116 | }; |
---|
| 1117 | |
---|
| 1118 | // pthread_create() accepts a pointer to a function type with the C linkage. |
---|
| 1119 | // According to the Standard (7.5/1), function types with different linkages |
---|
| 1120 | // are different even if they are otherwise identical. Some compilers (for |
---|
| 1121 | // example, SunStudio) treat them as different types. Since class methods |
---|
| 1122 | // cannot be defined with C-linkage we need to define a free C-function to |
---|
| 1123 | // pass into pthread_create(). |
---|
| 1124 | extern "C" inline void* ThreadFuncWithCLinkage(void* thread) { |
---|
| 1125 | static_cast<ThreadWithParamBase*>(thread)->Run(); |
---|
| 1126 | return NULL; |
---|
| 1127 | } |
---|
| 1128 | |
---|
| 1129 | // Helper class for testing Google Test's multi-threading constructs. |
---|
| 1130 | // To use it, write: |
---|
| 1131 | // |
---|
| 1132 | // void ThreadFunc(int param) { /* Do things with param */ } |
---|
| 1133 | // Notification thread_can_start; |
---|
| 1134 | // ... |
---|
| 1135 | // // The thread_can_start parameter is optional; you can supply NULL. |
---|
| 1136 | // ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start); |
---|
| 1137 | // thread_can_start.Notify(); |
---|
| 1138 | // |
---|
| 1139 | // These classes are only for testing Google Test's own constructs. Do |
---|
| 1140 | // not use them in user tests, either directly or indirectly. |
---|
| 1141 | template <typename T> |
---|
| 1142 | class ThreadWithParam : public ThreadWithParamBase { |
---|
| 1143 | public: |
---|
| 1144 | typedef void (*UserThreadFunc)(T); |
---|
| 1145 | |
---|
| 1146 | ThreadWithParam( |
---|
| 1147 | UserThreadFunc func, T param, Notification* thread_can_start) |
---|
| 1148 | : func_(func), |
---|
| 1149 | param_(param), |
---|
| 1150 | thread_can_start_(thread_can_start), |
---|
| 1151 | finished_(false) { |
---|
| 1152 | ThreadWithParamBase* const base = this; |
---|
| 1153 | // The thread can be created only after all fields except thread_ |
---|
| 1154 | // have been initialized. |
---|
| 1155 | GTEST_CHECK_POSIX_SUCCESS_( |
---|
| 1156 | pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); |
---|
| 1157 | } |
---|
| 1158 | ~ThreadWithParam() { Join(); } |
---|
| 1159 | |
---|
| 1160 | void Join() { |
---|
| 1161 | if (!finished_) { |
---|
| 1162 | GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); |
---|
| 1163 | finished_ = true; |
---|
| 1164 | } |
---|
| 1165 | } |
---|
| 1166 | |
---|
| 1167 | virtual void Run() { |
---|
| 1168 | if (thread_can_start_ != NULL) |
---|
| 1169 | thread_can_start_->WaitForNotification(); |
---|
| 1170 | func_(param_); |
---|
| 1171 | } |
---|
| 1172 | |
---|
| 1173 | private: |
---|
| 1174 | const UserThreadFunc func_; // User-supplied thread function. |
---|
| 1175 | const T param_; // User-supplied parameter to the thread function. |
---|
| 1176 | // When non-NULL, used to block execution until the controller thread |
---|
| 1177 | // notifies. |
---|
| 1178 | Notification* const thread_can_start_; |
---|
| 1179 | bool finished_; // true iff we know that the thread function has finished. |
---|
| 1180 | pthread_t thread_; // The native thread object. |
---|
| 1181 | |
---|
| 1182 | GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); |
---|
| 1183 | }; |
---|
| 1184 | |
---|
| 1185 | // MutexBase and Mutex implement mutex on pthreads-based platforms. They |
---|
| 1186 | // are used in conjunction with class MutexLock: |
---|
| 1187 | // |
---|
| 1188 | // Mutex mutex; |
---|
| 1189 | // ... |
---|
| 1190 | // MutexLock lock(&mutex); // Acquires the mutex and releases it at the end |
---|
| 1191 | // // of the current scope. |
---|
| 1192 | // |
---|
| 1193 | // MutexBase implements behavior for both statically and dynamically |
---|
| 1194 | // allocated mutexes. Do not use MutexBase directly. Instead, write |
---|
| 1195 | // the following to define a static mutex: |
---|
| 1196 | // |
---|
| 1197 | // GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex); |
---|
| 1198 | // |
---|
| 1199 | // You can forward declare a static mutex like this: |
---|
| 1200 | // |
---|
| 1201 | // GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex); |
---|
| 1202 | // |
---|
| 1203 | // To create a dynamic mutex, just define an object of type Mutex. |
---|
| 1204 | class MutexBase { |
---|
| 1205 | public: |
---|
| 1206 | // Acquires this mutex. |
---|
| 1207 | void Lock() { |
---|
| 1208 | GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_)); |
---|
| 1209 | owner_ = pthread_self(); |
---|
| 1210 | } |
---|
| 1211 | |
---|
| 1212 | // Releases this mutex. |
---|
| 1213 | void Unlock() { |
---|
| 1214 | // We don't protect writing to owner_ here, as it's the caller's |
---|
| 1215 | // responsibility to ensure that the current thread holds the |
---|
| 1216 | // mutex when this is called. |
---|
| 1217 | owner_ = 0; |
---|
| 1218 | GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_)); |
---|
| 1219 | } |
---|
| 1220 | |
---|
| 1221 | // Does nothing if the current thread holds the mutex. Otherwise, crashes |
---|
| 1222 | // with high probability. |
---|
| 1223 | void AssertHeld() const { |
---|
| 1224 | GTEST_CHECK_(owner_ == pthread_self()) |
---|
| 1225 | << "The current thread is not holding the mutex @" << this; |
---|
| 1226 | } |
---|
| 1227 | |
---|
| 1228 | // A static mutex may be used before main() is entered. It may even |
---|
| 1229 | // be used before the dynamic initialization stage. Therefore we |
---|
| 1230 | // must be able to initialize a static mutex object at link time. |
---|
| 1231 | // This means MutexBase has to be a POD and its member variables |
---|
| 1232 | // have to be public. |
---|
| 1233 | public: |
---|
| 1234 | pthread_mutex_t mutex_; // The underlying pthread mutex. |
---|
| 1235 | pthread_t owner_; // The thread holding the mutex; 0 means no one holds it. |
---|
| 1236 | }; |
---|
| 1237 | |
---|
| 1238 | // Forward-declares a static mutex. |
---|
| 1239 | # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ |
---|
| 1240 | extern ::testing::internal::MutexBase mutex |
---|
| 1241 | |
---|
| 1242 | // Defines and statically (i.e. at link time) initializes a static mutex. |
---|
| 1243 | # define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ |
---|
| 1244 | ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, 0 } |
---|
| 1245 | |
---|
| 1246 | // The Mutex class can only be used for mutexes created at runtime. It |
---|
| 1247 | // shares its API with MutexBase otherwise. |
---|
| 1248 | class Mutex : public MutexBase { |
---|
| 1249 | public: |
---|
| 1250 | Mutex() { |
---|
| 1251 | GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); |
---|
| 1252 | owner_ = 0; |
---|
| 1253 | } |
---|
| 1254 | ~Mutex() { |
---|
| 1255 | GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_)); |
---|
| 1256 | } |
---|
| 1257 | |
---|
| 1258 | private: |
---|
| 1259 | GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); |
---|
| 1260 | }; |
---|
| 1261 | |
---|
| 1262 | // We cannot name this class MutexLock as the ctor declaration would |
---|
| 1263 | // conflict with a macro named MutexLock, which is defined on some |
---|
| 1264 | // platforms. Hence the typedef trick below. |
---|
| 1265 | class GTestMutexLock { |
---|
| 1266 | public: |
---|
| 1267 | explicit GTestMutexLock(MutexBase* mutex) |
---|
| 1268 | : mutex_(mutex) { mutex_->Lock(); } |
---|
| 1269 | |
---|
| 1270 | ~GTestMutexLock() { mutex_->Unlock(); } |
---|
| 1271 | |
---|
| 1272 | private: |
---|
| 1273 | MutexBase* const mutex_; |
---|
| 1274 | |
---|
| 1275 | GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); |
---|
| 1276 | }; |
---|
| 1277 | |
---|
| 1278 | typedef GTestMutexLock MutexLock; |
---|
| 1279 | |
---|
| 1280 | // Helpers for ThreadLocal. |
---|
| 1281 | |
---|
| 1282 | // pthread_key_create() requires DeleteThreadLocalValue() to have |
---|
| 1283 | // C-linkage. Therefore it cannot be templatized to access |
---|
| 1284 | // ThreadLocal<T>. Hence the need for class |
---|
| 1285 | // ThreadLocalValueHolderBase. |
---|
| 1286 | class ThreadLocalValueHolderBase { |
---|
| 1287 | public: |
---|
| 1288 | virtual ~ThreadLocalValueHolderBase() {} |
---|
| 1289 | }; |
---|
| 1290 | |
---|
| 1291 | // Called by pthread to delete thread-local data stored by |
---|
| 1292 | // pthread_setspecific(). |
---|
| 1293 | extern "C" inline void DeleteThreadLocalValue(void* value_holder) { |
---|
| 1294 | delete static_cast<ThreadLocalValueHolderBase*>(value_holder); |
---|
| 1295 | } |
---|
| 1296 | |
---|
| 1297 | // Implements thread-local storage on pthreads-based systems. |
---|
| 1298 | // |
---|
| 1299 | // // Thread 1 |
---|
| 1300 | // ThreadLocal<int> tl(100); // 100 is the default value for each thread. |
---|
| 1301 | // |
---|
| 1302 | // // Thread 2 |
---|
| 1303 | // tl.set(150); // Changes the value for thread 2 only. |
---|
| 1304 | // EXPECT_EQ(150, tl.get()); |
---|
| 1305 | // |
---|
| 1306 | // // Thread 1 |
---|
| 1307 | // EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value. |
---|
| 1308 | // tl.set(200); |
---|
| 1309 | // EXPECT_EQ(200, tl.get()); |
---|
| 1310 | // |
---|
| 1311 | // The template type argument T must have a public copy constructor. |
---|
| 1312 | // In addition, the default ThreadLocal constructor requires T to have |
---|
| 1313 | // a public default constructor. |
---|
| 1314 | // |
---|
| 1315 | // An object managed for a thread by a ThreadLocal instance is deleted |
---|
| 1316 | // when the thread exits. Or, if the ThreadLocal instance dies in |
---|
| 1317 | // that thread, when the ThreadLocal dies. It's the user's |
---|
| 1318 | // responsibility to ensure that all other threads using a ThreadLocal |
---|
| 1319 | // have exited when it dies, or the per-thread objects for those |
---|
| 1320 | // threads will not be deleted. |
---|
| 1321 | // |
---|
| 1322 | // Google Test only uses global ThreadLocal objects. That means they |
---|
| 1323 | // will die after main() has returned. Therefore, no per-thread |
---|
| 1324 | // object managed by Google Test will be leaked as long as all threads |
---|
| 1325 | // using Google Test have exited when main() returns. |
---|
| 1326 | template <typename T> |
---|
| 1327 | class ThreadLocal { |
---|
| 1328 | public: |
---|
| 1329 | ThreadLocal() : key_(CreateKey()), |
---|
| 1330 | default_() {} |
---|
| 1331 | explicit ThreadLocal(const T& value) : key_(CreateKey()), |
---|
| 1332 | default_(value) {} |
---|
| 1333 | |
---|
| 1334 | ~ThreadLocal() { |
---|
| 1335 | // Destroys the managed object for the current thread, if any. |
---|
| 1336 | DeleteThreadLocalValue(pthread_getspecific(key_)); |
---|
| 1337 | |
---|
| 1338 | // Releases resources associated with the key. This will *not* |
---|
| 1339 | // delete managed objects for other threads. |
---|
| 1340 | GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_)); |
---|
| 1341 | } |
---|
| 1342 | |
---|
| 1343 | T* pointer() { return GetOrCreateValue(); } |
---|
| 1344 | const T* pointer() const { return GetOrCreateValue(); } |
---|
| 1345 | const T& get() const { return *pointer(); } |
---|
| 1346 | void set(const T& value) { *pointer() = value; } |
---|
| 1347 | |
---|
| 1348 | private: |
---|
| 1349 | // Holds a value of type T. |
---|
| 1350 | class ValueHolder : public ThreadLocalValueHolderBase { |
---|
| 1351 | public: |
---|
| 1352 | explicit ValueHolder(const T& value) : value_(value) {} |
---|
| 1353 | |
---|
| 1354 | T* pointer() { return &value_; } |
---|
| 1355 | |
---|
| 1356 | private: |
---|
| 1357 | T value_; |
---|
| 1358 | GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); |
---|
| 1359 | }; |
---|
| 1360 | |
---|
| 1361 | static pthread_key_t CreateKey() { |
---|
| 1362 | pthread_key_t key; |
---|
| 1363 | // When a thread exits, DeleteThreadLocalValue() will be called on |
---|
| 1364 | // the object managed for that thread. |
---|
| 1365 | GTEST_CHECK_POSIX_SUCCESS_( |
---|
| 1366 | pthread_key_create(&key, &DeleteThreadLocalValue)); |
---|
| 1367 | return key; |
---|
| 1368 | } |
---|
| 1369 | |
---|
| 1370 | T* GetOrCreateValue() const { |
---|
| 1371 | ThreadLocalValueHolderBase* const holder = |
---|
| 1372 | static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); |
---|
| 1373 | if (holder != NULL) { |
---|
| 1374 | return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); |
---|
| 1375 | } |
---|
| 1376 | |
---|
| 1377 | ValueHolder* const new_holder = new ValueHolder(default_); |
---|
| 1378 | ThreadLocalValueHolderBase* const holder_base = new_holder; |
---|
| 1379 | GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base)); |
---|
| 1380 | return new_holder->pointer(); |
---|
| 1381 | } |
---|
| 1382 | |
---|
| 1383 | // A key pthreads uses for looking up per-thread values. |
---|
| 1384 | const pthread_key_t key_; |
---|
| 1385 | const T default_; // The default value for each thread. |
---|
| 1386 | |
---|
| 1387 | GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); |
---|
| 1388 | }; |
---|
| 1389 | |
---|
| 1390 | # define GTEST_IS_THREADSAFE 1 |
---|
| 1391 | |
---|
| 1392 | #else // GTEST_HAS_PTHREAD |
---|
| 1393 | |
---|
| 1394 | // A dummy implementation of synchronization primitives (mutex, lock, |
---|
| 1395 | // and thread-local variable). Necessary for compiling Google Test where |
---|
| 1396 | // mutex is not supported - using Google Test in multiple threads is not |
---|
| 1397 | // supported on such platforms. |
---|
| 1398 | |
---|
| 1399 | class Mutex { |
---|
| 1400 | public: |
---|
| 1401 | Mutex() {} |
---|
| 1402 | void AssertHeld() const {} |
---|
| 1403 | }; |
---|
| 1404 | |
---|
| 1405 | # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ |
---|
| 1406 | extern ::testing::internal::Mutex mutex |
---|
| 1407 | |
---|
| 1408 | # define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex |
---|
| 1409 | |
---|
| 1410 | class GTestMutexLock { |
---|
| 1411 | public: |
---|
| 1412 | explicit GTestMutexLock(Mutex*) {} // NOLINT |
---|
| 1413 | }; |
---|
| 1414 | |
---|
| 1415 | typedef GTestMutexLock MutexLock; |
---|
| 1416 | |
---|
| 1417 | template <typename T> |
---|
| 1418 | class ThreadLocal { |
---|
| 1419 | public: |
---|
| 1420 | ThreadLocal() : value_() {} |
---|
| 1421 | explicit ThreadLocal(const T& value) : value_(value) {} |
---|
| 1422 | T* pointer() { return &value_; } |
---|
| 1423 | const T* pointer() const { return &value_; } |
---|
| 1424 | const T& get() const { return value_; } |
---|
| 1425 | void set(const T& value) { value_ = value; } |
---|
| 1426 | private: |
---|
| 1427 | T value_; |
---|
| 1428 | }; |
---|
| 1429 | |
---|
| 1430 | // The above synchronization primitives have dummy implementations. |
---|
| 1431 | // Therefore Google Test is not thread-safe. |
---|
| 1432 | # define GTEST_IS_THREADSAFE 0 |
---|
| 1433 | |
---|
| 1434 | #endif // GTEST_HAS_PTHREAD |
---|
| 1435 | |
---|
| 1436 | // Returns the number of threads running in the process, or 0 to indicate that |
---|
| 1437 | // we cannot detect it. |
---|
| 1438 | GTEST_API_ size_t GetThreadCount(); |
---|
| 1439 | |
---|
| 1440 | // Passing non-POD classes through ellipsis (...) crashes the ARM |
---|
| 1441 | // compiler and generates a warning in Sun Studio. The Nokia Symbian |
---|
| 1442 | // and the IBM XL C/C++ compiler try to instantiate a copy constructor |
---|
| 1443 | // for objects passed through ellipsis (...), failing for uncopyable |
---|
| 1444 | // objects. We define this to ensure that only POD is passed through |
---|
| 1445 | // ellipsis on these systems. |
---|
| 1446 | #if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) |
---|
| 1447 | // We lose support for NULL detection where the compiler doesn't like |
---|
| 1448 | // passing non-POD classes through ellipsis (...). |
---|
| 1449 | # define GTEST_ELLIPSIS_NEEDS_POD_ 1 |
---|
| 1450 | #else |
---|
| 1451 | # define GTEST_CAN_COMPARE_NULL 1 |
---|
| 1452 | #endif |
---|
| 1453 | |
---|
| 1454 | // The Nokia Symbian and IBM XL C/C++ compilers cannot decide between |
---|
| 1455 | // const T& and const T* in a function template. These compilers |
---|
| 1456 | // _can_ decide between class template specializations for T and T*, |
---|
| 1457 | // so a tr1::type_traits-like is_pointer works. |
---|
| 1458 | #if defined(__SYMBIAN32__) || defined(__IBMCPP__) |
---|
| 1459 | # define GTEST_NEEDS_IS_POINTER_ 1 |
---|
| 1460 | #endif |
---|
| 1461 | |
---|
| 1462 | template <bool bool_value> |
---|
| 1463 | struct bool_constant { |
---|
| 1464 | typedef bool_constant<bool_value> type; |
---|
| 1465 | static const bool value = bool_value; |
---|
| 1466 | }; |
---|
| 1467 | template <bool bool_value> const bool bool_constant<bool_value>::value; |
---|
| 1468 | |
---|
| 1469 | typedef bool_constant<false> false_type; |
---|
| 1470 | typedef bool_constant<true> true_type; |
---|
| 1471 | |
---|
| 1472 | template <typename T> |
---|
| 1473 | struct is_pointer : public false_type {}; |
---|
| 1474 | |
---|
| 1475 | template <typename T> |
---|
| 1476 | struct is_pointer<T*> : public true_type {}; |
---|
| 1477 | |
---|
| 1478 | template <typename Iterator> |
---|
| 1479 | struct IteratorTraits { |
---|
| 1480 | typedef typename Iterator::value_type value_type; |
---|
| 1481 | }; |
---|
| 1482 | |
---|
| 1483 | template <typename T> |
---|
| 1484 | struct IteratorTraits<T*> { |
---|
| 1485 | typedef T value_type; |
---|
| 1486 | }; |
---|
| 1487 | |
---|
| 1488 | template <typename T> |
---|
| 1489 | struct IteratorTraits<const T*> { |
---|
| 1490 | typedef T value_type; |
---|
| 1491 | }; |
---|
| 1492 | |
---|
| 1493 | #if GTEST_OS_WINDOWS |
---|
| 1494 | # define GTEST_PATH_SEP_ "\\" |
---|
| 1495 | # define GTEST_HAS_ALT_PATH_SEP_ 1 |
---|
| 1496 | // The biggest signed integer type the compiler supports. |
---|
| 1497 | typedef __int64 BiggestInt; |
---|
| 1498 | #else |
---|
| 1499 | # define GTEST_PATH_SEP_ "/" |
---|
| 1500 | # define GTEST_HAS_ALT_PATH_SEP_ 0 |
---|
| 1501 | typedef long long BiggestInt; // NOLINT |
---|
| 1502 | #endif // GTEST_OS_WINDOWS |
---|
| 1503 | |
---|
| 1504 | // Utilities for char. |
---|
| 1505 | |
---|
| 1506 | // isspace(int ch) and friends accept an unsigned char or EOF. char |
---|
| 1507 | // may be signed, depending on the compiler (or compiler flags). |
---|
| 1508 | // Therefore we need to cast a char to unsigned char before calling |
---|
| 1509 | // isspace(), etc. |
---|
| 1510 | |
---|
| 1511 | inline bool IsAlpha(char ch) { |
---|
| 1512 | return isalpha(static_cast<unsigned char>(ch)) != 0; |
---|
| 1513 | } |
---|
| 1514 | inline bool IsAlNum(char ch) { |
---|
| 1515 | return isalnum(static_cast<unsigned char>(ch)) != 0; |
---|
| 1516 | } |
---|
| 1517 | inline bool IsDigit(char ch) { |
---|
| 1518 | return isdigit(static_cast<unsigned char>(ch)) != 0; |
---|
| 1519 | } |
---|
| 1520 | inline bool IsLower(char ch) { |
---|
| 1521 | return islower(static_cast<unsigned char>(ch)) != 0; |
---|
| 1522 | } |
---|
| 1523 | inline bool IsSpace(char ch) { |
---|
| 1524 | return isspace(static_cast<unsigned char>(ch)) != 0; |
---|
| 1525 | } |
---|
| 1526 | inline bool IsUpper(char ch) { |
---|
| 1527 | return isupper(static_cast<unsigned char>(ch)) != 0; |
---|
| 1528 | } |
---|
| 1529 | inline bool IsXDigit(char ch) { |
---|
| 1530 | return isxdigit(static_cast<unsigned char>(ch)) != 0; |
---|
| 1531 | } |
---|
| 1532 | |
---|
| 1533 | inline char ToLower(char ch) { |
---|
| 1534 | return static_cast<char>(tolower(static_cast<unsigned char>(ch))); |
---|
| 1535 | } |
---|
| 1536 | inline char ToUpper(char ch) { |
---|
| 1537 | return static_cast<char>(toupper(static_cast<unsigned char>(ch))); |
---|
| 1538 | } |
---|
| 1539 | |
---|
| 1540 | // The testing::internal::posix namespace holds wrappers for common |
---|
| 1541 | // POSIX functions. These wrappers hide the differences between |
---|
| 1542 | // Windows/MSVC and POSIX systems. Since some compilers define these |
---|
| 1543 | // standard functions as macros, the wrapper cannot have the same name |
---|
| 1544 | // as the wrapped function. |
---|
| 1545 | |
---|
| 1546 | namespace posix { |
---|
| 1547 | |
---|
| 1548 | // Functions with a different name on Windows. |
---|
| 1549 | |
---|
| 1550 | #if GTEST_OS_WINDOWS |
---|
| 1551 | |
---|
| 1552 | typedef struct _stat StatStruct; |
---|
| 1553 | |
---|
| 1554 | # ifdef __BORLANDC__ |
---|
| 1555 | inline int IsATTY(int fd) { return isatty(fd); } |
---|
| 1556 | inline int StrCaseCmp(const char* s1, const char* s2) { |
---|
| 1557 | return stricmp(s1, s2); |
---|
| 1558 | } |
---|
| 1559 | inline char* StrDup(const char* src) { return strdup(src); } |
---|
| 1560 | # else // !__BORLANDC__ |
---|
| 1561 | # if GTEST_OS_WINDOWS_MOBILE |
---|
| 1562 | inline int IsATTY(int /* fd */) { return 0; } |
---|
| 1563 | # else |
---|
| 1564 | inline int IsATTY(int fd) { return _isatty(fd); } |
---|
| 1565 | # endif // GTEST_OS_WINDOWS_MOBILE |
---|
| 1566 | inline int StrCaseCmp(const char* s1, const char* s2) { |
---|
| 1567 | return _stricmp(s1, s2); |
---|
| 1568 | } |
---|
| 1569 | inline char* StrDup(const char* src) { return _strdup(src); } |
---|
| 1570 | # endif // __BORLANDC__ |
---|
| 1571 | |
---|
| 1572 | # if GTEST_OS_WINDOWS_MOBILE |
---|
| 1573 | inline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); } |
---|
| 1574 | // Stat(), RmDir(), and IsDir() are not needed on Windows CE at this |
---|
| 1575 | // time and thus not defined there. |
---|
| 1576 | # else |
---|
| 1577 | inline int FileNo(FILE* file) { return _fileno(file); } |
---|
| 1578 | inline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); } |
---|
| 1579 | inline int RmDir(const char* dir) { return _rmdir(dir); } |
---|
| 1580 | inline bool IsDir(const StatStruct& st) { |
---|
| 1581 | return (_S_IFDIR & st.st_mode) != 0; |
---|
| 1582 | } |
---|
| 1583 | # endif // GTEST_OS_WINDOWS_MOBILE |
---|
| 1584 | |
---|
| 1585 | #else |
---|
| 1586 | |
---|
| 1587 | typedef struct stat StatStruct; |
---|
| 1588 | |
---|
| 1589 | inline int FileNo(FILE* file) { return fileno(file); } |
---|
| 1590 | inline int IsATTY(int fd) { return isatty(fd); } |
---|
| 1591 | inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } |
---|
| 1592 | inline int StrCaseCmp(const char* s1, const char* s2) { |
---|
| 1593 | return strcasecmp(s1, s2); |
---|
| 1594 | } |
---|
| 1595 | inline char* StrDup(const char* src) { return strdup(src); } |
---|
| 1596 | inline int RmDir(const char* dir) { return rmdir(dir); } |
---|
| 1597 | inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } |
---|
| 1598 | |
---|
| 1599 | #endif // GTEST_OS_WINDOWS |
---|
| 1600 | |
---|
| 1601 | // Functions deprecated by MSVC 8.0. |
---|
| 1602 | |
---|
| 1603 | #ifdef _MSC_VER |
---|
| 1604 | // Temporarily disable warning 4996 (deprecated function). |
---|
| 1605 | # pragma warning(push) |
---|
| 1606 | # pragma warning(disable:4996) |
---|
| 1607 | #endif |
---|
| 1608 | |
---|
| 1609 | inline const char* StrNCpy(char* dest, const char* src, size_t n) { |
---|
| 1610 | return strncpy(dest, src, n); |
---|
| 1611 | } |
---|
| 1612 | |
---|
| 1613 | // ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and |
---|
| 1614 | // StrError() aren't needed on Windows CE at this time and thus not |
---|
| 1615 | // defined there. |
---|
| 1616 | |
---|
| 1617 | #if !GTEST_OS_WINDOWS_MOBILE |
---|
| 1618 | inline int ChDir(const char* dir) { return chdir(dir); } |
---|
| 1619 | #endif |
---|
| 1620 | inline FILE* FOpen(const char* path, const char* mode) { |
---|
| 1621 | return fopen(path, mode); |
---|
| 1622 | } |
---|
| 1623 | #if !GTEST_OS_WINDOWS_MOBILE |
---|
| 1624 | inline FILE *FReopen(const char* path, const char* mode, FILE* stream) { |
---|
| 1625 | return freopen(path, mode, stream); |
---|
| 1626 | } |
---|
| 1627 | inline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); } |
---|
| 1628 | #endif |
---|
| 1629 | inline int FClose(FILE* fp) { return fclose(fp); } |
---|
| 1630 | #if !GTEST_OS_WINDOWS_MOBILE |
---|
| 1631 | inline int Read(int fd, void* buf, unsigned int count) { |
---|
| 1632 | return static_cast<int>(read(fd, buf, count)); |
---|
| 1633 | } |
---|
| 1634 | inline int Write(int fd, const void* buf, unsigned int count) { |
---|
| 1635 | return static_cast<int>(write(fd, buf, count)); |
---|
| 1636 | } |
---|
| 1637 | inline int Close(int fd) { return close(fd); } |
---|
| 1638 | inline const char* StrError(int errnum) { return strerror(errnum); } |
---|
| 1639 | #endif |
---|
| 1640 | inline const char* GetEnv(const char* name) { |
---|
| 1641 | #if GTEST_OS_WINDOWS_MOBILE |
---|
| 1642 | // We are on Windows CE, which has no environment variables. |
---|
| 1643 | return NULL; |
---|
| 1644 | #elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9) |
---|
| 1645 | // Environment variables which we programmatically clear will be set to the |
---|
| 1646 | // empty string rather than unset (NULL). Handle that case. |
---|
| 1647 | const char* const env = getenv(name); |
---|
| 1648 | return (env != NULL && env[0] != '\0') ? env : NULL; |
---|
| 1649 | #else |
---|
| 1650 | return getenv(name); |
---|
| 1651 | #endif |
---|
| 1652 | } |
---|
| 1653 | |
---|
| 1654 | #ifdef _MSC_VER |
---|
| 1655 | # pragma warning(pop) // Restores the warning state. |
---|
| 1656 | #endif |
---|
| 1657 | |
---|
| 1658 | #if GTEST_OS_WINDOWS_MOBILE |
---|
| 1659 | // Windows CE has no C library. The abort() function is used in |
---|
| 1660 | // several places in Google Test. This implementation provides a reasonable |
---|
| 1661 | // imitation of standard behaviour. |
---|
| 1662 | void Abort(); |
---|
| 1663 | #else |
---|
| 1664 | inline void Abort() { abort(); } |
---|
| 1665 | #endif // GTEST_OS_WINDOWS_MOBILE |
---|
| 1666 | |
---|
| 1667 | } // namespace posix |
---|
| 1668 | |
---|
| 1669 | // The maximum number a BiggestInt can represent. This definition |
---|
| 1670 | // works no matter BiggestInt is represented in one's complement or |
---|
| 1671 | // two's complement. |
---|
| 1672 | // |
---|
| 1673 | // We cannot rely on numeric_limits in STL, as __int64 and long long |
---|
| 1674 | // are not part of standard C++ and numeric_limits doesn't need to be |
---|
| 1675 | // defined for them. |
---|
| 1676 | const BiggestInt kMaxBiggestInt = |
---|
| 1677 | ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); |
---|
| 1678 | |
---|
| 1679 | // This template class serves as a compile-time function from size to |
---|
| 1680 | // type. It maps a size in bytes to a primitive type with that |
---|
| 1681 | // size. e.g. |
---|
| 1682 | // |
---|
| 1683 | // TypeWithSize<4>::UInt |
---|
| 1684 | // |
---|
| 1685 | // is typedef-ed to be unsigned int (unsigned integer made up of 4 |
---|
| 1686 | // bytes). |
---|
| 1687 | // |
---|
| 1688 | // Such functionality should belong to STL, but I cannot find it |
---|
| 1689 | // there. |
---|
| 1690 | // |
---|
| 1691 | // Google Test uses this class in the implementation of floating-point |
---|
| 1692 | // comparison. |
---|
| 1693 | // |
---|
| 1694 | // For now it only handles UInt (unsigned int) as that's all Google Test |
---|
| 1695 | // needs. Other types can be easily added in the future if need |
---|
| 1696 | // arises. |
---|
| 1697 | template <size_t size> |
---|
| 1698 | class TypeWithSize { |
---|
| 1699 | public: |
---|
| 1700 | // This prevents the user from using TypeWithSize<N> with incorrect |
---|
| 1701 | // values of N. |
---|
| 1702 | typedef void UInt; |
---|
| 1703 | }; |
---|
| 1704 | |
---|
| 1705 | // The specialization for size 4. |
---|
| 1706 | template <> |
---|
| 1707 | class TypeWithSize<4> { |
---|
| 1708 | public: |
---|
| 1709 | // unsigned int has size 4 in both gcc and MSVC. |
---|
| 1710 | // |
---|
| 1711 | // As base/basictypes.h doesn't compile on Windows, we cannot use |
---|
| 1712 | // uint32, uint64, and etc here. |
---|
| 1713 | typedef int Int; |
---|
| 1714 | typedef unsigned int UInt; |
---|
| 1715 | }; |
---|
| 1716 | |
---|
| 1717 | // The specialization for size 8. |
---|
| 1718 | template <> |
---|
| 1719 | class TypeWithSize<8> { |
---|
| 1720 | public: |
---|
| 1721 | |
---|
| 1722 | #if GTEST_OS_WINDOWS |
---|
| 1723 | typedef __int64 Int; |
---|
| 1724 | typedef unsigned __int64 UInt; |
---|
| 1725 | #else |
---|
| 1726 | typedef long long Int; // NOLINT |
---|
| 1727 | typedef unsigned long long UInt; // NOLINT |
---|
| 1728 | #endif // GTEST_OS_WINDOWS |
---|
| 1729 | }; |
---|
| 1730 | |
---|
| 1731 | // Integer types of known sizes. |
---|
| 1732 | typedef TypeWithSize<4>::Int Int32; |
---|
| 1733 | typedef TypeWithSize<4>::UInt UInt32; |
---|
| 1734 | typedef TypeWithSize<8>::Int Int64; |
---|
| 1735 | typedef TypeWithSize<8>::UInt UInt64; |
---|
| 1736 | typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. |
---|
| 1737 | |
---|
| 1738 | // Utilities for command line flags and environment variables. |
---|
| 1739 | |
---|
| 1740 | // Macro for referencing flags. |
---|
| 1741 | #define GTEST_FLAG(name) FLAGS_gtest_##name |
---|
| 1742 | |
---|
| 1743 | // Macros for declaring flags. |
---|
| 1744 | #define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) |
---|
| 1745 | #define GTEST_DECLARE_int32_(name) \ |
---|
| 1746 | GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) |
---|
| 1747 | #define GTEST_DECLARE_string_(name) \ |
---|
| 1748 | GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name) |
---|
| 1749 | |
---|
| 1750 | // Macros for defining flags. |
---|
| 1751 | #define GTEST_DEFINE_bool_(name, default_val, doc) \ |
---|
| 1752 | GTEST_API_ bool GTEST_FLAG(name) = (default_val) |
---|
| 1753 | #define GTEST_DEFINE_int32_(name, default_val, doc) \ |
---|
| 1754 | GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) |
---|
| 1755 | #define GTEST_DEFINE_string_(name, default_val, doc) \ |
---|
| 1756 | GTEST_API_ ::testing::internal::String GTEST_FLAG(name) = (default_val) |
---|
| 1757 | |
---|
| 1758 | // Parses 'str' for a 32-bit signed integer. If successful, writes the result |
---|
| 1759 | // to *value and returns true; otherwise leaves *value unchanged and returns |
---|
| 1760 | // false. |
---|
| 1761 | // TODO(chandlerc): Find a better way to refactor flag and environment parsing |
---|
| 1762 | // out of both gtest-port.cc and gtest.cc to avoid exporting this utility |
---|
| 1763 | // function. |
---|
| 1764 | bool ParseInt32(const Message& src_text, const char* str, Int32* value); |
---|
| 1765 | |
---|
| 1766 | // Parses a bool/Int32/string from the environment variable |
---|
| 1767 | // corresponding to the given Google Test flag. |
---|
| 1768 | bool BoolFromGTestEnv(const char* flag, bool default_val); |
---|
| 1769 | GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); |
---|
| 1770 | const char* StringFromGTestEnv(const char* flag, const char* default_val); |
---|
| 1771 | |
---|
| 1772 | } // namespace internal |
---|
| 1773 | } // namespace testing |
---|
| 1774 | |
---|
| 1775 | #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |
---|