Qucs-core
0.0.19
|
00001 // Copyright 2005, Google Inc. 00002 // All rights reserved. 00003 // 00004 // Redistribution and use in source and binary forms, with or without 00005 // modification, are permitted provided that the following conditions are 00006 // met: 00007 // 00008 // * Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // * Redistributions in binary form must reproduce the above 00011 // copyright notice, this list of conditions and the following disclaimer 00012 // in the documentation and/or other materials provided with the 00013 // distribution. 00014 // * Neither the name of Google Inc. nor the names of its 00015 // contributors may be used to endorse or promote products derived from 00016 // this software without specific prior written permission. 00017 // 00018 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00019 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00020 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00021 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00022 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00024 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00025 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00026 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00028 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 // 00030 // Authors: wan@google.com (Zhanyong Wan) 00031 // 00032 // Low-level types and utilities for porting Google Test to various 00033 // platforms. They are subject to change without notice. DO NOT USE 00034 // THEM IN USER CODE. 00035 // 00036 // This file is fundamental to Google Test. All other Google Test source 00037 // files are expected to #include this. Therefore, it cannot #include 00038 // any other Google Test header. 00039 00040 #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 00041 #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 00042 00043 // The user can define the following macros in the build script to 00044 // control Google Test's behavior. If the user doesn't define a macro 00045 // in this list, Google Test will define it. 00046 // 00047 // GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2) 00048 // is/isn't available. 00049 // GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions 00050 // are enabled. 00051 // GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string 00052 // is/isn't available (some systems define 00053 // ::string, which is different to std::string). 00054 // GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string 00055 // is/isn't available (some systems define 00056 // ::wstring, which is different to std::wstring). 00057 // GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular 00058 // expressions are/aren't available. 00059 // GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> 00060 // is/isn't available. 00061 // GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't 00062 // enabled. 00063 // GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that 00064 // std::wstring does/doesn't work (Google Test can 00065 // be used where std::wstring is unavailable). 00066 // GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple 00067 // is/isn't available. 00068 // GTEST_HAS_SEH - Define it to 1/0 to indicate whether the 00069 // compiler supports Microsoft's "Structured 00070 // Exception Handling". 00071 // GTEST_HAS_STREAM_REDIRECTION 00072 // - Define it to 1/0 to indicate whether the 00073 // platform supports I/O stream redirection using 00074 // dup() and dup2(). 00075 // GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google 00076 // Test's own tr1 tuple implementation should be 00077 // used. Unused when the user sets 00078 // GTEST_HAS_TR1_TUPLE to 0. 00079 // GTEST_LANG_CXX11 - Define it to 1/0 to indicate that Google Test 00080 // is building in C++11/C++98 mode. 00081 // GTEST_LINKED_AS_SHARED_LIBRARY 00082 // - Define to 1 when compiling tests that use 00083 // Google Test as a shared library (known as 00084 // DLL on Windows). 00085 // GTEST_CREATE_SHARED_LIBRARY 00086 // - Define to 1 when compiling Google Test itself 00087 // as a shared library. 00088 00089 // This header defines the following utilities: 00090 // 00091 // Macros indicating the current platform (defined to 1 if compiled on 00092 // the given platform; otherwise undefined): 00093 // GTEST_OS_AIX - IBM AIX 00094 // GTEST_OS_CYGWIN - Cygwin 00095 // GTEST_OS_HPUX - HP-UX 00096 // GTEST_OS_LINUX - Linux 00097 // GTEST_OS_LINUX_ANDROID - Google Android 00098 // GTEST_OS_MAC - Mac OS X 00099 // GTEST_OS_IOS - iOS 00100 // GTEST_OS_IOS_SIMULATOR - iOS simulator 00101 // GTEST_OS_NACL - Google Native Client (NaCl) 00102 // GTEST_OS_OPENBSD - OpenBSD 00103 // GTEST_OS_QNX - QNX 00104 // GTEST_OS_SOLARIS - Sun Solaris 00105 // GTEST_OS_SYMBIAN - Symbian 00106 // GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile) 00107 // GTEST_OS_WINDOWS_DESKTOP - Windows Desktop 00108 // GTEST_OS_WINDOWS_MINGW - MinGW 00109 // GTEST_OS_WINDOWS_MOBILE - Windows Mobile 00110 // GTEST_OS_ZOS - z/OS 00111 // 00112 // Among the platforms, Cygwin, Linux, Max OS X, and Windows have the 00113 // most stable support. Since core members of the Google Test project 00114 // don't have access to other platforms, support for them may be less 00115 // stable. If you notice any problems on your platform, please notify 00116 // googletestframework@googlegroups.com (patches for fixing them are 00117 // even more welcome!). 00118 // 00119 // Note that it is possible that none of the GTEST_OS_* macros are defined. 00120 // 00121 // Macros indicating available Google Test features (defined to 1 if 00122 // the corresponding feature is supported; otherwise undefined): 00123 // GTEST_HAS_COMBINE - the Combine() function (for value-parameterized 00124 // tests) 00125 // GTEST_HAS_DEATH_TEST - death tests 00126 // GTEST_HAS_PARAM_TEST - value-parameterized tests 00127 // GTEST_HAS_TYPED_TEST - typed tests 00128 // GTEST_HAS_TYPED_TEST_P - type-parameterized tests 00129 // GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with 00130 // GTEST_HAS_POSIX_RE (see above) which users can 00131 // define themselves. 00132 // GTEST_USES_SIMPLE_RE - our own simple regex is used; 00133 // the above two are mutually exclusive. 00134 // GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). 00135 // 00136 // Macros for basic C++ coding: 00137 // GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning. 00138 // GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a 00139 // variable don't have to be used. 00140 // GTEST_DISALLOW_ASSIGN_ - disables operator=. 00141 // GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=. 00142 // GTEST_MUST_USE_RESULT_ - declares that a function's result must be used. 00143 // 00144 // Synchronization: 00145 // Mutex, MutexLock, ThreadLocal, GetThreadCount() 00146 // - synchronization primitives. 00147 // GTEST_IS_THREADSAFE - defined to 1 to indicate that the above 00148 // synchronization primitives have real implementations 00149 // and Google Test is thread-safe; or 0 otherwise. 00150 // 00151 // Template meta programming: 00152 // is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. 00153 // IteratorTraits - partial implementation of std::iterator_traits, which 00154 // is not available in libCstd when compiled with Sun C++. 00155 // 00156 // Smart pointers: 00157 // scoped_ptr - as in TR2. 00158 // 00159 // Regular expressions: 00160 // RE - a simple regular expression class using the POSIX 00161 // Extended Regular Expression syntax on UNIX-like 00162 // platforms, or a reduced regular exception syntax on 00163 // other platforms, including Windows. 00164 // 00165 // Logging: 00166 // GTEST_LOG_() - logs messages at the specified severity level. 00167 // LogToStderr() - directs all log messages to stderr. 00168 // FlushInfoLog() - flushes informational log messages. 00169 // 00170 // Stdout and stderr capturing: 00171 // CaptureStdout() - starts capturing stdout. 00172 // GetCapturedStdout() - stops capturing stdout and returns the captured 00173 // string. 00174 // CaptureStderr() - starts capturing stderr. 00175 // GetCapturedStderr() - stops capturing stderr and returns the captured 00176 // string. 00177 // 00178 // Integer types: 00179 // TypeWithSize - maps an integer to a int type. 00180 // Int32, UInt32, Int64, UInt64, TimeInMillis 00181 // - integers of known sizes. 00182 // BiggestInt - the biggest signed integer type. 00183 // 00184 // Command-line utilities: 00185 // GTEST_FLAG() - references a flag. 00186 // GTEST_DECLARE_*() - declares a flag. 00187 // GTEST_DEFINE_*() - defines a flag. 00188 // GetInjectableArgvs() - returns the command line as a vector of strings. 00189 // 00190 // Environment variable utilities: 00191 // GetEnv() - gets the value of an environment variable. 00192 // BoolFromGTestEnv() - parses a bool environment variable. 00193 // Int32FromGTestEnv() - parses an Int32 environment variable. 00194 // StringFromGTestEnv() - parses a string environment variable. 00195 00196 #include <ctype.h> // for isspace, etc 00197 #include <stddef.h> // for ptrdiff_t 00198 #include <stdlib.h> 00199 #include <stdio.h> 00200 #include <string.h> 00201 #ifndef _WIN32_WCE 00202 # include <sys/types.h> 00203 # include <sys/stat.h> 00204 #endif // !_WIN32_WCE 00205 00206 #if defined __APPLE__ 00207 # include <AvailabilityMacros.h> 00208 # include <TargetConditionals.h> 00209 #endif 00210 00211 #include <iostream> // NOLINT 00212 #include <sstream> // NOLINT 00213 #include <string> // NOLINT 00214 00215 #define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com" 00216 #define GTEST_FLAG_PREFIX_ "gtest_" 00217 #define GTEST_FLAG_PREFIX_DASH_ "gtest-" 00218 #define GTEST_FLAG_PREFIX_UPPER_ "GTEST_" 00219 #define GTEST_NAME_ "Google Test" 00220 #define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/" 00221 00222 // Determines the version of gcc that is used to compile this. 00223 #ifdef __GNUC__ 00224 // 40302 means version 4.3.2. 00225 # define GTEST_GCC_VER_ \ 00226 (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) 00227 #endif // __GNUC__ 00228 00229 // Determines the platform on which Google Test is compiled. 00230 #ifdef __CYGWIN__ 00231 # define GTEST_OS_CYGWIN 1 00232 #elif defined __SYMBIAN32__ 00233 # define GTEST_OS_SYMBIAN 1 00234 #elif defined _WIN32 00235 # define GTEST_OS_WINDOWS 1 00236 # ifdef _WIN32_WCE 00237 # define GTEST_OS_WINDOWS_MOBILE 1 00238 # elif defined(__MINGW__) || defined(__MINGW32__) 00239 # define GTEST_OS_WINDOWS_MINGW 1 00240 # else 00241 # define GTEST_OS_WINDOWS_DESKTOP 1 00242 # endif // _WIN32_WCE 00243 #elif defined __APPLE__ 00244 # define GTEST_OS_MAC 1 00245 # if TARGET_OS_IPHONE 00246 # define GTEST_OS_IOS 1 00247 # if TARGET_IPHONE_SIMULATOR 00248 # define GTEST_OS_IOS_SIMULATOR 1 00249 # endif 00250 # endif 00251 #elif defined __linux__ 00252 # define GTEST_OS_LINUX 1 00253 # if defined __ANDROID__ 00254 # define GTEST_OS_LINUX_ANDROID 1 00255 # endif 00256 #elif defined __MVS__ 00257 # define GTEST_OS_ZOS 1 00258 #elif defined(__sun) && defined(__SVR4) 00259 # define GTEST_OS_SOLARIS 1 00260 #elif defined(_AIX) 00261 # define GTEST_OS_AIX 1 00262 #elif defined(__hpux) 00263 # define GTEST_OS_HPUX 1 00264 #elif defined __native_client__ 00265 # define GTEST_OS_NACL 1 00266 #elif defined __OpenBSD__ 00267 # define GTEST_OS_OPENBSD 1 00268 #elif defined __QNX__ 00269 # define GTEST_OS_QNX 1 00270 #endif // __CYGWIN__ 00271 00272 #ifndef GTEST_LANG_CXX11 00273 // gcc and clang define __GXX_EXPERIMENTAL_CXX0X__ when 00274 // -std={c,gnu}++{0x,11} is passed. The C++11 standard specifies a 00275 // value for __cplusplus, and recent versions of clang, gcc, and 00276 // probably other compilers set that too in C++11 mode. 00277 # if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus >= 201103L 00278 // Compiling in at least C++11 mode. 00279 # define GTEST_LANG_CXX11 1 00280 # else 00281 # define GTEST_LANG_CXX11 0 00282 # endif 00283 #endif 00284 00285 // Brings in definitions for functions used in the testing::internal::posix 00286 // namespace (read, write, close, chdir, isatty, stat). We do not currently 00287 // use them on Windows Mobile. 00288 #if !GTEST_OS_WINDOWS 00289 // This assumes that non-Windows OSes provide unistd.h. For OSes where this 00290 // is not the case, we need to include headers that provide the functions 00291 // mentioned above. 00292 # include <unistd.h> 00293 # include <strings.h> 00294 #elif !GTEST_OS_WINDOWS_MOBILE 00295 # include <direct.h> 00296 # include <io.h> 00297 #endif 00298 00299 #if GTEST_OS_LINUX_ANDROID 00300 // Used to define __ANDROID_API__ matching the target NDK API level. 00301 # include <android/api-level.h> // NOLINT 00302 #endif 00303 00304 // Defines this to true iff Google Test can use POSIX regular expressions. 00305 #ifndef GTEST_HAS_POSIX_RE 00306 # if GTEST_OS_LINUX_ANDROID 00307 // On Android, <regex.h> is only available starting with Gingerbread. 00308 # define GTEST_HAS_POSIX_RE (__ANDROID_API__ >= 9) 00309 # else 00310 # define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS) 00311 # endif 00312 #endif 00313 00314 #if GTEST_HAS_POSIX_RE 00315 00316 // On some platforms, <regex.h> needs someone to define size_t, and 00317 // won't compile otherwise. We can #include it here as we already 00318 // included <stdlib.h>, which is guaranteed to define size_t through 00319 // <stddef.h>. 00320 # include <regex.h> // NOLINT 00321 00322 # define GTEST_USES_POSIX_RE 1 00323 00324 #elif GTEST_OS_WINDOWS 00325 00326 // <regex.h> is not available on Windows. Use our own simple regex 00327 // implementation instead. 00328 # define GTEST_USES_SIMPLE_RE 1 00329 00330 #else 00331 00332 // <regex.h> may not be available on this platform. Use our own 00333 // simple regex implementation instead. 00334 # define GTEST_USES_SIMPLE_RE 1 00335 00336 #endif // GTEST_HAS_POSIX_RE 00337 00338 #ifndef GTEST_HAS_EXCEPTIONS 00339 // The user didn't tell us whether exceptions are enabled, so we need 00340 // to figure it out. 00341 # if defined(_MSC_VER) || defined(__BORLANDC__) 00342 // MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS 00343 // macro to enable exceptions, so we'll do the same. 00344 // Assumes that exceptions are enabled by default. 00345 # ifndef _HAS_EXCEPTIONS 00346 # define _HAS_EXCEPTIONS 1 00347 # endif // _HAS_EXCEPTIONS 00348 # define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS 00349 # elif defined(__GNUC__) && __EXCEPTIONS 00350 // gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. 00351 # define GTEST_HAS_EXCEPTIONS 1 00352 # elif defined(__SUNPRO_CC) 00353 // Sun Pro CC supports exceptions. However, there is no compile-time way of 00354 // detecting whether they are enabled or not. Therefore, we assume that 00355 // they are enabled unless the user tells us otherwise. 00356 # define GTEST_HAS_EXCEPTIONS 1 00357 # elif defined(__IBMCPP__) && __EXCEPTIONS 00358 // xlC defines __EXCEPTIONS to 1 iff exceptions are enabled. 00359 # define GTEST_HAS_EXCEPTIONS 1 00360 # elif defined(__HP_aCC) 00361 // Exception handling is in effect by default in HP aCC compiler. It has to 00362 // be turned of by +noeh compiler option if desired. 00363 # define GTEST_HAS_EXCEPTIONS 1 00364 # else 00365 // For other compilers, we assume exceptions are disabled to be 00366 // conservative. 00367 # define GTEST_HAS_EXCEPTIONS 0 00368 # endif // defined(_MSC_VER) || defined(__BORLANDC__) 00369 #endif // GTEST_HAS_EXCEPTIONS 00370 00371 #if !defined(GTEST_HAS_STD_STRING) 00372 // Even though we don't use this macro any longer, we keep it in case 00373 // some clients still depend on it. 00374 # define GTEST_HAS_STD_STRING 1 00375 #elif !GTEST_HAS_STD_STRING 00376 // The user told us that ::std::string isn't available. 00377 # error "Google Test cannot be used where ::std::string isn't available." 00378 #endif // !defined(GTEST_HAS_STD_STRING) 00379 00380 #ifndef GTEST_HAS_GLOBAL_STRING 00381 // The user didn't tell us whether ::string is available, so we need 00382 // to figure it out. 00383 00384 # define GTEST_HAS_GLOBAL_STRING 0 00385 00386 #endif // GTEST_HAS_GLOBAL_STRING 00387 00388 #ifndef GTEST_HAS_STD_WSTRING 00389 // The user didn't tell us whether ::std::wstring is available, so we need 00390 // to figure it out. 00391 // TODO(wan@google.com): uses autoconf to detect whether ::std::wstring 00392 // is available. 00393 00394 // Cygwin 1.7 and below doesn't support ::std::wstring. 00395 // Solaris' libc++ doesn't support it either. Android has 00396 // no support for it at least as recent as Froyo (2.2). 00397 # define GTEST_HAS_STD_WSTRING \ 00398 (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) 00399 00400 #endif // GTEST_HAS_STD_WSTRING 00401 00402 #ifndef GTEST_HAS_GLOBAL_WSTRING 00403 // The user didn't tell us whether ::wstring is available, so we need 00404 // to figure it out. 00405 # define GTEST_HAS_GLOBAL_WSTRING \ 00406 (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) 00407 #endif // GTEST_HAS_GLOBAL_WSTRING 00408 00409 // Determines whether RTTI is available. 00410 #ifndef GTEST_HAS_RTTI 00411 // The user didn't tell us whether RTTI is enabled, so we need to 00412 // figure it out. 00413 00414 # ifdef _MSC_VER 00415 00416 # ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. 00417 # define GTEST_HAS_RTTI 1 00418 # else 00419 # define GTEST_HAS_RTTI 0 00420 # endif 00421 00422 // Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. 00423 # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) 00424 00425 # ifdef __GXX_RTTI 00426 // When building against STLport with the Android NDK and with 00427 // -frtti -fno-exceptions, the build fails at link time with undefined 00428 // references to __cxa_bad_typeid. Note sure if STL or toolchain bug, 00429 // so disable RTTI when detected. 00430 # if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) && \ 00431 !defined(__EXCEPTIONS) 00432 # define GTEST_HAS_RTTI 0 00433 # else 00434 # define GTEST_HAS_RTTI 1 00435 # endif // GTEST_OS_LINUX_ANDROID && __STLPORT_MAJOR && !__EXCEPTIONS 00436 # else 00437 # define GTEST_HAS_RTTI 0 00438 # endif // __GXX_RTTI 00439 00440 // Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends 00441 // using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the 00442 // first version with C++ support. 00443 # elif defined(__clang__) 00444 00445 # define GTEST_HAS_RTTI __has_feature(cxx_rtti) 00446 00447 // Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if 00448 // both the typeid and dynamic_cast features are present. 00449 # elif defined(__IBMCPP__) && (__IBMCPP__ >= 900) 00450 00451 # ifdef __RTTI_ALL__ 00452 # define GTEST_HAS_RTTI 1 00453 # else 00454 # define GTEST_HAS_RTTI 0 00455 # endif 00456 00457 # else 00458 00459 // For all other compilers, we assume RTTI is enabled. 00460 # define GTEST_HAS_RTTI 1 00461 00462 # endif // _MSC_VER 00463 00464 #endif // GTEST_HAS_RTTI 00465 00466 // It's this header's responsibility to #include <typeinfo> when RTTI 00467 // is enabled. 00468 #if GTEST_HAS_RTTI 00469 # include <typeinfo> 00470 #endif 00471 00472 // Determines whether Google Test can use the pthreads library. 00473 #ifndef GTEST_HAS_PTHREAD 00474 // The user didn't tell us explicitly, so we assume pthreads support is 00475 // available on Linux and Mac. 00476 // 00477 // To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 00478 // to your compiler flags. 00479 # define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX \ 00480 || GTEST_OS_QNX) 00481 #endif // GTEST_HAS_PTHREAD 00482 00483 #if GTEST_HAS_PTHREAD 00484 // gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is 00485 // true. 00486 # include <pthread.h> // NOLINT 00487 00488 // For timespec and nanosleep, used below. 00489 # include <time.h> // NOLINT 00490 #endif 00491 00492 // Determines whether Google Test can use tr1/tuple. You can define 00493 // this macro to 0 to prevent Google Test from using tuple (any 00494 // feature depending on tuple with be disabled in this mode). 00495 #ifndef GTEST_HAS_TR1_TUPLE 00496 # if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) 00497 // STLport, provided with the Android NDK, has neither <tr1/tuple> or <tuple>. 00498 # define GTEST_HAS_TR1_TUPLE 0 00499 # else 00500 // The user didn't tell us not to do it, so we assume it's OK. 00501 # define GTEST_HAS_TR1_TUPLE 1 00502 # endif 00503 #endif // GTEST_HAS_TR1_TUPLE 00504 00505 // Determines whether Google Test's own tr1 tuple implementation 00506 // should be used. 00507 #ifndef GTEST_USE_OWN_TR1_TUPLE 00508 // The user didn't tell us, so we need to figure it out. 00509 00510 // We use our own TR1 tuple if we aren't sure the user has an 00511 // implementation of it already. At this time, libstdc++ 4.0.0+ and 00512 // MSVC 2010 are the only mainstream standard libraries that come 00513 // with a TR1 tuple implementation. NVIDIA's CUDA NVCC compiler 00514 // pretends to be GCC by defining __GNUC__ and friends, but cannot 00515 // compile GCC's tuple implementation. MSVC 2008 (9.0) provides TR1 00516 // tuple in a 323 MB Feature Pack download, which we cannot assume the 00517 // user has. QNX's QCC compiler is a modified GCC but it doesn't 00518 // support TR1 tuple. libc++ only provides std::tuple, in C++11 mode, 00519 // and it can be used with some compilers that define __GNUC__. 00520 # if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000) \ 00521 && !GTEST_OS_QNX && !defined(_LIBCPP_VERSION)) || _MSC_VER >= 1600 00522 # define GTEST_ENV_HAS_TR1_TUPLE_ 1 00523 # endif 00524 00525 // C++11 specifies that <tuple> provides std::tuple. Use that if gtest is used 00526 // in C++11 mode and libstdc++ isn't very old (binaries targeting OS X 10.6 00527 // can build with clang but need to use gcc4.2's libstdc++). 00528 # if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325) 00529 # define GTEST_ENV_HAS_STD_TUPLE_ 1 00530 # endif 00531 00532 # if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_ 00533 # define GTEST_USE_OWN_TR1_TUPLE 0 00534 # else 00535 # define GTEST_USE_OWN_TR1_TUPLE 1 00536 # endif 00537 00538 #endif // GTEST_USE_OWN_TR1_TUPLE 00539 00540 // To avoid conditional compilation everywhere, we make it 00541 // gtest-port.h's responsibility to #include the header implementing 00542 // tr1/tuple. 00543 #if GTEST_HAS_TR1_TUPLE 00544 00545 # if GTEST_USE_OWN_TR1_TUPLE 00546 # include "gtest/internal/gtest-tuple.h" 00547 # elif GTEST_ENV_HAS_STD_TUPLE_ 00548 # include <tuple> 00549 // C++11 puts its tuple into the ::std namespace rather than 00550 // ::std::tr1. gtest expects tuple to live in ::std::tr1, so put it there. 00551 // This causes undefined behavior, but supported compilers react in 00552 // the way we intend. 00553 namespace std { 00554 namespace tr1 { 00555 using ::std::get; 00556 using ::std::make_tuple; 00557 using ::std::tuple; 00558 using ::std::tuple_element; 00559 using ::std::tuple_size; 00560 } 00561 } 00562 00563 # elif GTEST_OS_SYMBIAN 00564 00565 // On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to 00566 // use STLport's tuple implementation, which unfortunately doesn't 00567 // work as the copy of STLport distributed with Symbian is incomplete. 00568 // By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to 00569 // use its own tuple implementation. 00570 # ifdef BOOST_HAS_TR1_TUPLE 00571 # undef BOOST_HAS_TR1_TUPLE 00572 # endif // BOOST_HAS_TR1_TUPLE 00573 00574 // This prevents <boost/tr1/detail/config.hpp>, which defines 00575 // BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>. 00576 # define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED 00577 # include <tuple> 00578 00579 # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) 00580 // GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does 00581 // not conform to the TR1 spec, which requires the header to be <tuple>. 00582 00583 # if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 00584 // Until version 4.3.2, gcc has a bug that causes <tr1/functional>, 00585 // which is #included by <tr1/tuple>, to not compile when RTTI is 00586 // disabled. _TR1_FUNCTIONAL is the header guard for 00587 // <tr1/functional>. Hence the following #define is a hack to prevent 00588 // <tr1/functional> from being included. 00589 # define _TR1_FUNCTIONAL 1 00590 # include <tr1/tuple> 00591 # undef _TR1_FUNCTIONAL // Allows the user to #include 00592 // <tr1/functional> if he chooses to. 00593 # else 00594 # include <tr1/tuple> // NOLINT 00595 # endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 00596 00597 # else 00598 // If the compiler is not GCC 4.0+, we assume the user is using a 00599 // spec-conforming TR1 implementation. 00600 # include <tuple> // NOLINT 00601 # endif // GTEST_USE_OWN_TR1_TUPLE 00602 00603 #endif // GTEST_HAS_TR1_TUPLE 00604 00605 // Determines whether clone(2) is supported. 00606 // Usually it will only be available on Linux, excluding 00607 // Linux on the Itanium architecture. 00608 // Also see http://linux.die.net/man/2/clone. 00609 #ifndef GTEST_HAS_CLONE 00610 // The user didn't tell us, so we need to figure it out. 00611 00612 # if GTEST_OS_LINUX && !defined(__ia64__) 00613 # if GTEST_OS_LINUX_ANDROID 00614 // On Android, clone() is only available on ARM starting with Gingerbread. 00615 # if defined(__arm__) && __ANDROID_API__ >= 9 00616 # define GTEST_HAS_CLONE 1 00617 # else 00618 # define GTEST_HAS_CLONE 0 00619 # endif 00620 # else 00621 # define GTEST_HAS_CLONE 1 00622 # endif 00623 # else 00624 # define GTEST_HAS_CLONE 0 00625 # endif // GTEST_OS_LINUX && !defined(__ia64__) 00626 00627 #endif // GTEST_HAS_CLONE 00628 00629 // Determines whether to support stream redirection. This is used to test 00630 // output correctness and to implement death tests. 00631 #ifndef GTEST_HAS_STREAM_REDIRECTION 00632 // By default, we assume that stream redirection is supported on all 00633 // platforms except known mobile ones. 00634 # if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN 00635 # define GTEST_HAS_STREAM_REDIRECTION 0 00636 # else 00637 # define GTEST_HAS_STREAM_REDIRECTION 1 00638 # endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN 00639 #endif // GTEST_HAS_STREAM_REDIRECTION 00640 00641 // Determines whether to support death tests. 00642 // Google Test does not support death tests for VC 7.1 and earlier as 00643 // abort() in a VC 7.1 application compiled as GUI in debug config 00644 // pops up a dialog window that cannot be suppressed programmatically. 00645 #if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ 00646 (GTEST_OS_MAC && !GTEST_OS_IOS) || GTEST_OS_IOS_SIMULATOR || \ 00647 (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ 00648 GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \ 00649 GTEST_OS_OPENBSD || GTEST_OS_QNX) 00650 # define GTEST_HAS_DEATH_TEST 1 00651 # include <vector> // NOLINT 00652 #endif 00653 00654 // We don't support MSVC 7.1 with exceptions disabled now. Therefore 00655 // all the compilers we care about are adequate for supporting 00656 // value-parameterized tests. 00657 #define GTEST_HAS_PARAM_TEST 1 00658 00659 // Determines whether to support type-driven tests. 00660 00661 // Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, 00662 // Sun Pro CC, IBM Visual Age, and HP aCC support. 00663 #if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ 00664 defined(__IBMCPP__) || defined(__HP_aCC) 00665 # define GTEST_HAS_TYPED_TEST 1 00666 # define GTEST_HAS_TYPED_TEST_P 1 00667 #endif 00668 00669 // Determines whether to support Combine(). This only makes sense when 00670 // value-parameterized tests are enabled. The implementation doesn't 00671 // work on Sun Studio since it doesn't understand templated conversion 00672 // operators. 00673 #if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) 00674 # define GTEST_HAS_COMBINE 1 00675 #endif 00676 00677 // Determines whether the system compiler uses UTF-16 for encoding wide strings. 00678 #define GTEST_WIDE_STRING_USES_UTF16_ \ 00679 (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) 00680 00681 // Determines whether test results can be streamed to a socket. 00682 #if GTEST_OS_LINUX 00683 # define GTEST_CAN_STREAM_RESULTS_ 1 00684 #endif 00685 00686 // Defines some utility macros. 00687 00688 // The GNU compiler emits a warning if nested "if" statements are followed by 00689 // an "else" statement and braces are not used to explicitly disambiguate the 00690 // "else" binding. This leads to problems with code like: 00691 // 00692 // if (gate) 00693 // ASSERT_*(condition) << "Some message"; 00694 // 00695 // The "switch (0) case 0:" idiom is used to suppress this. 00696 #ifdef __INTEL_COMPILER 00697 # define GTEST_AMBIGUOUS_ELSE_BLOCKER_ 00698 #else 00699 # define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT 00700 #endif 00701 00702 // Use this annotation at the end of a struct/class definition to 00703 // prevent the compiler from optimizing away instances that are never 00704 // used. This is useful when all interesting logic happens inside the 00705 // c'tor and / or d'tor. Example: 00706 // 00707 // struct Foo { 00708 // Foo() { ... } 00709 // } GTEST_ATTRIBUTE_UNUSED_; 00710 // 00711 // Also use it after a variable or parameter declaration to tell the 00712 // compiler the variable/parameter does not have to be used. 00713 #if defined(__GNUC__) && !defined(COMPILER_ICC) 00714 # define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) 00715 #else 00716 # define GTEST_ATTRIBUTE_UNUSED_ 00717 #endif 00718 00719 // A macro to disallow operator= 00720 // This should be used in the private: declarations for a class. 00721 #define GTEST_DISALLOW_ASSIGN_(type)\ 00722 void operator=(type const &) 00723 00724 // A macro to disallow copy constructor and operator= 00725 // This should be used in the private: declarations for a class. 00726 #define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ 00727 type(type const &);\ 00728 GTEST_DISALLOW_ASSIGN_(type) 00729 00730 // Tell the compiler to warn about unused return values for functions declared 00731 // with this macro. The macro should be used on function declarations 00732 // following the argument list: 00733 // 00734 // Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; 00735 #if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) 00736 # define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) 00737 #else 00738 # define GTEST_MUST_USE_RESULT_ 00739 #endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC 00740 00741 // Determine whether the compiler supports Microsoft's Structured Exception 00742 // Handling. This is supported by several Windows compilers but generally 00743 // does not exist on any other system. 00744 #ifndef GTEST_HAS_SEH 00745 // The user didn't tell us, so we need to figure it out. 00746 00747 # if defined(_MSC_VER) || defined(__BORLANDC__) 00748 // These two compilers are known to support SEH. 00749 # define GTEST_HAS_SEH 1 00750 # else 00751 // Assume no SEH. 00752 # define GTEST_HAS_SEH 0 00753 # endif 00754 00755 #endif // GTEST_HAS_SEH 00756 00757 #ifdef _MSC_VER 00758 00759 # if GTEST_LINKED_AS_SHARED_LIBRARY 00760 # define GTEST_API_ __declspec(dllimport) 00761 # elif GTEST_CREATE_SHARED_LIBRARY 00762 # define GTEST_API_ __declspec(dllexport) 00763 # endif 00764 00765 #endif // _MSC_VER 00766 00767 #ifndef GTEST_API_ 00768 # define GTEST_API_ 00769 #endif 00770 00771 #ifdef __GNUC__ 00772 // Ask the compiler to never inline a given function. 00773 # define GTEST_NO_INLINE_ __attribute__((noinline)) 00774 #else 00775 # define GTEST_NO_INLINE_ 00776 #endif 00777 00778 // _LIBCPP_VERSION is defined by the libc++ library from the LLVM project. 00779 #if defined(__GLIBCXX__) || defined(_LIBCPP_VERSION) 00780 # define GTEST_HAS_CXXABI_H_ 1 00781 #else 00782 # define GTEST_HAS_CXXABI_H_ 0 00783 #endif 00784 00785 namespace testing { 00786 00787 class Message; 00788 00789 namespace internal { 00790 00791 // A secret type that Google Test users don't know about. It has no 00792 // definition on purpose. Therefore it's impossible to create a 00793 // Secret object, which is what we want. 00794 class Secret; 00795 00796 // The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time 00797 // expression is true. For example, you could use it to verify the 00798 // size of a static array: 00799 // 00800 // GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES, 00801 // content_type_names_incorrect_size); 00802 // 00803 // or to make sure a struct is smaller than a certain size: 00804 // 00805 // GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); 00806 // 00807 // The second argument to the macro is the name of the variable. If 00808 // the expression is false, most compilers will issue a warning/error 00809 // containing the name of the variable. 00810 00811 template <bool> 00812 struct CompileAssert { 00813 }; 00814 00815 #define GTEST_COMPILE_ASSERT_(expr, msg) \ 00816 typedef ::testing::internal::CompileAssert<(static_cast<bool>(expr))> \ 00817 msg[static_cast<bool>(expr) ? 1 : -1] GTEST_ATTRIBUTE_UNUSED_ 00818 00819 // Implementation details of GTEST_COMPILE_ASSERT_: 00820 // 00821 // - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 00822 // elements (and thus is invalid) when the expression is false. 00823 // 00824 // - The simpler definition 00825 // 00826 // #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] 00827 // 00828 // does not work, as gcc supports variable-length arrays whose sizes 00829 // are determined at run-time (this is gcc's extension and not part 00830 // of the C++ standard). As a result, gcc fails to reject the 00831 // following code with the simple definition: 00832 // 00833 // int foo; 00834 // GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is 00835 // // not a compile-time constant. 00836 // 00837 // - By using the type CompileAssert<(bool(expr))>, we ensures that 00838 // expr is a compile-time constant. (Template arguments must be 00839 // determined at compile-time.) 00840 // 00841 // - The outter parentheses in CompileAssert<(bool(expr))> are necessary 00842 // to work around a bug in gcc 3.4.4 and 4.0.1. If we had written 00843 // 00844 // CompileAssert<bool(expr)> 00845 // 00846 // instead, these compilers will refuse to compile 00847 // 00848 // GTEST_COMPILE_ASSERT_(5 > 0, some_message); 00849 // 00850 // (They seem to think the ">" in "5 > 0" marks the end of the 00851 // template argument list.) 00852 // 00853 // - The array size is (bool(expr) ? 1 : -1), instead of simply 00854 // 00855 // ((expr) ? 1 : -1). 00856 // 00857 // This is to avoid running into a bug in MS VC 7.1, which 00858 // causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. 00859 00860 // StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. 00861 // 00862 // This template is declared, but intentionally undefined. 00863 template <typename T1, typename T2> 00864 struct StaticAssertTypeEqHelper; 00865 00866 template <typename T> 00867 struct StaticAssertTypeEqHelper<T, T> {}; 00868 00869 #if GTEST_HAS_GLOBAL_STRING 00870 typedef ::string string; 00871 #else 00872 typedef ::std::string string; 00873 #endif // GTEST_HAS_GLOBAL_STRING 00874 00875 #if GTEST_HAS_GLOBAL_WSTRING 00876 typedef ::wstring wstring; 00877 #elif GTEST_HAS_STD_WSTRING 00878 typedef ::std::wstring wstring; 00879 #endif // GTEST_HAS_GLOBAL_WSTRING 00880 00881 // A helper for suppressing warnings on constant condition. It just 00882 // returns 'condition'. 00883 GTEST_API_ bool IsTrue(bool condition); 00884 00885 // Defines scoped_ptr. 00886 00887 // This implementation of scoped_ptr is PARTIAL - it only contains 00888 // enough stuff to satisfy Google Test's need. 00889 template <typename T> 00890 class scoped_ptr { 00891 public: 00892 typedef T element_type; 00893 00894 explicit scoped_ptr(T* p = NULL) : ptr_(p) {} 00895 ~scoped_ptr() { reset(); } 00896 00897 T& operator*() const { return *ptr_; } 00898 T* operator->() const { return ptr_; } 00899 T* get() const { return ptr_; } 00900 00901 T* release() { 00902 T* const ptr = ptr_; 00903 ptr_ = NULL; 00904 return ptr; 00905 } 00906 00907 void reset(T* p = NULL) { 00908 if (p != ptr_) { 00909 if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. 00910 delete ptr_; 00911 } 00912 ptr_ = p; 00913 } 00914 } 00915 00916 private: 00917 T* ptr_; 00918 00919 GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); 00920 }; 00921 00922 // Defines RE. 00923 00924 // A simple C++ wrapper for <regex.h>. It uses the POSIX Extended 00925 // Regular Expression syntax. 00926 class GTEST_API_ RE { 00927 public: 00928 // A copy constructor is required by the Standard to initialize object 00929 // references from r-values. 00930 RE(const RE& other) { Init(other.pattern()); } 00931 00932 // Constructs an RE from a string. 00933 RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT 00934 00935 #if GTEST_HAS_GLOBAL_STRING 00936 00937 RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT 00938 00939 #endif // GTEST_HAS_GLOBAL_STRING 00940 00941 RE(const char* regex) { Init(regex); } // NOLINT 00942 ~RE(); 00943 00944 // Returns the string representation of the regex. 00945 const char* pattern() const { return pattern_; } 00946 00947 // FullMatch(str, re) returns true iff regular expression re matches 00948 // the entire str. 00949 // PartialMatch(str, re) returns true iff regular expression re 00950 // matches a substring of str (including str itself). 00951 // 00952 // TODO(wan@google.com): make FullMatch() and PartialMatch() work 00953 // when str contains NUL characters. 00954 static bool FullMatch(const ::std::string& str, const RE& re) { 00955 return FullMatch(str.c_str(), re); 00956 } 00957 static bool PartialMatch(const ::std::string& str, const RE& re) { 00958 return PartialMatch(str.c_str(), re); 00959 } 00960 00961 #if GTEST_HAS_GLOBAL_STRING 00962 00963 static bool FullMatch(const ::string& str, const RE& re) { 00964 return FullMatch(str.c_str(), re); 00965 } 00966 static bool PartialMatch(const ::string& str, const RE& re) { 00967 return PartialMatch(str.c_str(), re); 00968 } 00969 00970 #endif // GTEST_HAS_GLOBAL_STRING 00971 00972 static bool FullMatch(const char* str, const RE& re); 00973 static bool PartialMatch(const char* str, const RE& re); 00974 00975 private: 00976 void Init(const char* regex); 00977 00978 // We use a const char* instead of an std::string, as Google Test used to be 00979 // used where std::string is not available. TODO(wan@google.com): change to 00980 // std::string. 00981 const char* pattern_; 00982 bool is_valid_; 00983 00984 #if GTEST_USES_POSIX_RE 00985 00986 regex_t full_regex_; // For FullMatch(). 00987 regex_t partial_regex_; // For PartialMatch(). 00988 00989 #else // GTEST_USES_SIMPLE_RE 00990 00991 const char* full_pattern_; // For FullMatch(); 00992 00993 #endif 00994 00995 GTEST_DISALLOW_ASSIGN_(RE); 00996 }; 00997 00998 // Formats a source file path and a line number as they would appear 00999 // in an error message from the compiler used to compile this code. 01000 GTEST_API_ ::std::string FormatFileLocation(const char* file, int line); 01001 01002 // Formats a file location for compiler-independent XML output. 01003 // Although this function is not platform dependent, we put it next to 01004 // FormatFileLocation in order to contrast the two functions. 01005 GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file, 01006 int line); 01007 01008 // Defines logging utilities: 01009 // GTEST_LOG_(severity) - logs messages at the specified severity level. The 01010 // message itself is streamed into the macro. 01011 // LogToStderr() - directs all log messages to stderr. 01012 // FlushInfoLog() - flushes informational log messages. 01013 01014 enum GTestLogSeverity { 01015 GTEST_INFO, 01016 GTEST_WARNING, 01017 GTEST_ERROR, 01018 GTEST_FATAL 01019 }; 01020 01021 // Formats log entry severity, provides a stream object for streaming the 01022 // log message, and terminates the message with a newline when going out of 01023 // scope. 01024 class GTEST_API_ GTestLog { 01025 public: 01026 GTestLog(GTestLogSeverity severity, const char* file, int line); 01027 01028 // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. 01029 ~GTestLog(); 01030 01031 ::std::ostream& GetStream() { return ::std::cerr; } 01032 01033 private: 01034 const GTestLogSeverity severity_; 01035 01036 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog); 01037 }; 01038 01039 #define GTEST_LOG_(severity) \ 01040 ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \ 01041 __FILE__, __LINE__).GetStream() 01042 01043 inline void LogToStderr() {} 01044 inline void FlushInfoLog() { fflush(NULL); } 01045 01046 // INTERNAL IMPLEMENTATION - DO NOT USE. 01047 // 01048 // GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition 01049 // is not satisfied. 01050 // Synopsys: 01051 // GTEST_CHECK_(boolean_condition); 01052 // or 01053 // GTEST_CHECK_(boolean_condition) << "Additional message"; 01054 // 01055 // This checks the condition and if the condition is not satisfied 01056 // it prints message about the condition violation, including the 01057 // condition itself, plus additional message streamed into it, if any, 01058 // and then it aborts the program. It aborts the program irrespective of 01059 // whether it is built in the debug mode or not. 01060 #define GTEST_CHECK_(condition) \ 01061 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 01062 if (::testing::internal::IsTrue(condition)) \ 01063 ; \ 01064 else \ 01065 GTEST_LOG_(FATAL) << "Condition " #condition " failed. " 01066 01067 // An all-mode assert to verify that the given POSIX-style function 01068 // call returns 0 (indicating success). Known limitation: this 01069 // doesn't expand to a balanced 'if' statement, so enclose the macro 01070 // in {} if you need to use it as the only statement in an 'if' 01071 // branch. 01072 #define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \ 01073 if (const int gtest_error = (posix_call)) \ 01074 GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ 01075 << gtest_error 01076 01077 // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. 01078 // 01079 // Use ImplicitCast_ as a safe version of static_cast for upcasting in 01080 // the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a 01081 // const Foo*). When you use ImplicitCast_, the compiler checks that 01082 // the cast is safe. Such explicit ImplicitCast_s are necessary in 01083 // surprisingly many situations where C++ demands an exact type match 01084 // instead of an argument type convertable to a target type. 01085 // 01086 // The syntax for using ImplicitCast_ is the same as for static_cast: 01087 // 01088 // ImplicitCast_<ToType>(expr) 01089 // 01090 // ImplicitCast_ would have been part of the C++ standard library, 01091 // but the proposal was submitted too late. It will probably make 01092 // its way into the language in the future. 01093 // 01094 // This relatively ugly name is intentional. It prevents clashes with 01095 // similar functions users may have (e.g., implicit_cast). The internal 01096 // namespace alone is not enough because the function can be found by ADL. 01097 template<typename To> 01098 inline To ImplicitCast_(To x) { return x; } 01099 01100 // When you upcast (that is, cast a pointer from type Foo to type 01101 // SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts 01102 // always succeed. When you downcast (that is, cast a pointer from 01103 // type Foo to type SubclassOfFoo), static_cast<> isn't safe, because 01104 // how do you know the pointer is really of type SubclassOfFoo? It 01105 // could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, 01106 // when you downcast, you should use this macro. In debug mode, we 01107 // use dynamic_cast<> to double-check the downcast is legal (we die 01108 // if it's not). In normal mode, we do the efficient static_cast<> 01109 // instead. Thus, it's important to test in debug mode to make sure 01110 // the cast is legal! 01111 // This is the only place in the code we should use dynamic_cast<>. 01112 // In particular, you SHOULDN'T be using dynamic_cast<> in order to 01113 // do RTTI (eg code like this: 01114 // if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); 01115 // if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); 01116 // You should design the code some other way not to need this. 01117 // 01118 // This relatively ugly name is intentional. It prevents clashes with 01119 // similar functions users may have (e.g., down_cast). The internal 01120 // namespace alone is not enough because the function can be found by ADL. 01121 template<typename To, typename From> // use like this: DownCast_<T*>(foo); 01122 inline To DownCast_(From* f) { // so we only accept pointers 01123 // Ensures that To is a sub-type of From *. This test is here only 01124 // for compile-time type checking, and has no overhead in an 01125 // optimized build at run-time, as it will be optimized away 01126 // completely. 01127 if (false) { 01128 const To to = NULL; 01129 ::testing::internal::ImplicitCast_<From*>(to); 01130 } 01131 01132 #if GTEST_HAS_RTTI 01133 // RTTI: debug mode only! 01134 GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); 01135 #endif 01136 return static_cast<To>(f); 01137 } 01138 01139 // Downcasts the pointer of type Base to Derived. 01140 // Derived must be a subclass of Base. The parameter MUST 01141 // point to a class of type Derived, not any subclass of it. 01142 // When RTTI is available, the function performs a runtime 01143 // check to enforce this. 01144 template <class Derived, class Base> 01145 Derived* CheckedDowncastToActualType(Base* base) { 01146 #if GTEST_HAS_RTTI 01147 GTEST_CHECK_(typeid(*base) == typeid(Derived)); 01148 return dynamic_cast<Derived*>(base); // NOLINT 01149 #else 01150 return static_cast<Derived*>(base); // Poor man's downcast. 01151 #endif 01152 } 01153 01154 #if GTEST_HAS_STREAM_REDIRECTION 01155 01156 // Defines the stderr capturer: 01157 // CaptureStdout - starts capturing stdout. 01158 // GetCapturedStdout - stops capturing stdout and returns the captured string. 01159 // CaptureStderr - starts capturing stderr. 01160 // GetCapturedStderr - stops capturing stderr and returns the captured string. 01161 // 01162 GTEST_API_ void CaptureStdout(); 01163 GTEST_API_ std::string GetCapturedStdout(); 01164 GTEST_API_ void CaptureStderr(); 01165 GTEST_API_ std::string GetCapturedStderr(); 01166 01167 #endif // GTEST_HAS_STREAM_REDIRECTION 01168 01169 01170 #if GTEST_HAS_DEATH_TEST 01171 01172 const ::std::vector<testing::internal::string>& GetInjectableArgvs(); 01173 void SetInjectableArgvs(const ::std::vector<testing::internal::string>* 01174 new_argvs); 01175 01176 // A copy of all command line arguments. Set by InitGoogleTest(). 01177 extern ::std::vector<testing::internal::string> g_argvs; 01178 01179 #endif // GTEST_HAS_DEATH_TEST 01180 01181 // Defines synchronization primitives. 01182 01183 #if GTEST_HAS_PTHREAD 01184 01185 // Sleeps for (roughly) n milli-seconds. This function is only for 01186 // testing Google Test's own constructs. Don't use it in user tests, 01187 // either directly or indirectly. 01188 inline void SleepMilliseconds(int n) { 01189 const timespec time = { 01190 0, // 0 seconds. 01191 n * 1000L * 1000L, // And n ms. 01192 }; 01193 nanosleep(&time, NULL); 01194 } 01195 01196 // Allows a controller thread to pause execution of newly created 01197 // threads until notified. Instances of this class must be created 01198 // and destroyed in the controller thread. 01199 // 01200 // This class is only for testing Google Test's own constructs. Do not 01201 // use it in user tests, either directly or indirectly. 01202 class Notification { 01203 public: 01204 Notification() : notified_(false) { 01205 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); 01206 } 01207 ~Notification() { 01208 pthread_mutex_destroy(&mutex_); 01209 } 01210 01211 // Notifies all threads created with this notification to start. Must 01212 // be called from the controller thread. 01213 void Notify() { 01214 pthread_mutex_lock(&mutex_); 01215 notified_ = true; 01216 pthread_mutex_unlock(&mutex_); 01217 } 01218 01219 // Blocks until the controller thread notifies. Must be called from a test 01220 // thread. 01221 void WaitForNotification() { 01222 for (;;) { 01223 pthread_mutex_lock(&mutex_); 01224 const bool notified = notified_; 01225 pthread_mutex_unlock(&mutex_); 01226 if (notified) 01227 break; 01228 SleepMilliseconds(10); 01229 } 01230 } 01231 01232 private: 01233 pthread_mutex_t mutex_; 01234 bool notified_; 01235 01236 GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); 01237 }; 01238 01239 // As a C-function, ThreadFuncWithCLinkage cannot be templated itself. 01240 // Consequently, it cannot select a correct instantiation of ThreadWithParam 01241 // in order to call its Run(). Introducing ThreadWithParamBase as a 01242 // non-templated base class for ThreadWithParam allows us to bypass this 01243 // problem. 01244 class ThreadWithParamBase { 01245 public: 01246 virtual ~ThreadWithParamBase() {} 01247 virtual void Run() = 0; 01248 }; 01249 01250 // pthread_create() accepts a pointer to a function type with the C linkage. 01251 // According to the Standard (7.5/1), function types with different linkages 01252 // are different even if they are otherwise identical. Some compilers (for 01253 // example, SunStudio) treat them as different types. Since class methods 01254 // cannot be defined with C-linkage we need to define a free C-function to 01255 // pass into pthread_create(). 01256 extern "C" inline void* ThreadFuncWithCLinkage(void* thread) { 01257 static_cast<ThreadWithParamBase*>(thread)->Run(); 01258 return NULL; 01259 } 01260 01261 // Helper class for testing Google Test's multi-threading constructs. 01262 // To use it, write: 01263 // 01264 // void ThreadFunc(int param) { /* Do things with param */ } 01265 // Notification thread_can_start; 01266 // ... 01267 // // The thread_can_start parameter is optional; you can supply NULL. 01268 // ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start); 01269 // thread_can_start.Notify(); 01270 // 01271 // These classes are only for testing Google Test's own constructs. Do 01272 // not use them in user tests, either directly or indirectly. 01273 template <typename T> 01274 class ThreadWithParam : public ThreadWithParamBase { 01275 public: 01276 typedef void (*UserThreadFunc)(T); 01277 01278 ThreadWithParam( 01279 UserThreadFunc func, T param, Notification* thread_can_start) 01280 : func_(func), 01281 param_(param), 01282 thread_can_start_(thread_can_start), 01283 finished_(false) { 01284 ThreadWithParamBase* const base = this; 01285 // The thread can be created only after all fields except thread_ 01286 // have been initialized. 01287 GTEST_CHECK_POSIX_SUCCESS_( 01288 pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); 01289 } 01290 ~ThreadWithParam() { Join(); } 01291 01292 void Join() { 01293 if (!finished_) { 01294 GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); 01295 finished_ = true; 01296 } 01297 } 01298 01299 virtual void Run() { 01300 if (thread_can_start_ != NULL) 01301 thread_can_start_->WaitForNotification(); 01302 func_(param_); 01303 } 01304 01305 private: 01306 const UserThreadFunc func_; // User-supplied thread function. 01307 const T param_; // User-supplied parameter to the thread function. 01308 // When non-NULL, used to block execution until the controller thread 01309 // notifies. 01310 Notification* const thread_can_start_; 01311 bool finished_; // true iff we know that the thread function has finished. 01312 pthread_t thread_; // The native thread object. 01313 01314 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); 01315 }; 01316 01317 // MutexBase and Mutex implement mutex on pthreads-based platforms. They 01318 // are used in conjunction with class MutexLock: 01319 // 01320 // Mutex mutex; 01321 // ... 01322 // MutexLock lock(&mutex); // Acquires the mutex and releases it at the end 01323 // // of the current scope. 01324 // 01325 // MutexBase implements behavior for both statically and dynamically 01326 // allocated mutexes. Do not use MutexBase directly. Instead, write 01327 // the following to define a static mutex: 01328 // 01329 // GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex); 01330 // 01331 // You can forward declare a static mutex like this: 01332 // 01333 // GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex); 01334 // 01335 // To create a dynamic mutex, just define an object of type Mutex. 01336 class MutexBase { 01337 public: 01338 // Acquires this mutex. 01339 void Lock() { 01340 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_)); 01341 owner_ = pthread_self(); 01342 has_owner_ = true; 01343 } 01344 01345 // Releases this mutex. 01346 void Unlock() { 01347 // Since the lock is being released the owner_ field should no longer be 01348 // considered valid. We don't protect writing to has_owner_ here, as it's 01349 // the caller's responsibility to ensure that the current thread holds the 01350 // mutex when this is called. 01351 has_owner_ = false; 01352 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_)); 01353 } 01354 01355 // Does nothing if the current thread holds the mutex. Otherwise, crashes 01356 // with high probability. 01357 void AssertHeld() const { 01358 GTEST_CHECK_(has_owner_ && pthread_equal(owner_, pthread_self())) 01359 << "The current thread is not holding the mutex @" << this; 01360 } 01361 01362 // A static mutex may be used before main() is entered. It may even 01363 // be used before the dynamic initialization stage. Therefore we 01364 // must be able to initialize a static mutex object at link time. 01365 // This means MutexBase has to be a POD and its member variables 01366 // have to be public. 01367 public: 01368 pthread_mutex_t mutex_; // The underlying pthread mutex. 01369 // has_owner_ indicates whether the owner_ field below contains a valid thread 01370 // ID and is therefore safe to inspect (e.g., to use in pthread_equal()). All 01371 // accesses to the owner_ field should be protected by a check of this field. 01372 // An alternative might be to memset() owner_ to all zeros, but there's no 01373 // guarantee that a zero'd pthread_t is necessarily invalid or even different 01374 // from pthread_self(). 01375 bool has_owner_; 01376 pthread_t owner_; // The thread holding the mutex. 01377 }; 01378 01379 // Forward-declares a static mutex. 01380 # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 01381 extern ::testing::internal::MutexBase mutex 01382 01383 // Defines and statically (i.e. at link time) initializes a static mutex. 01384 // The initialization list here does not explicitly initialize each field, 01385 // instead relying on default initialization for the unspecified fields. In 01386 // particular, the owner_ field (a pthread_t) is not explicitly initialized. 01387 // This allows initialization to work whether pthread_t is a scalar or struct. 01388 // The flag -Wmissing-field-initializers must not be specified for this to work. 01389 # define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ 01390 ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, false } 01391 01392 // The Mutex class can only be used for mutexes created at runtime. It 01393 // shares its API with MutexBase otherwise. 01394 class Mutex : public MutexBase { 01395 public: 01396 Mutex() { 01397 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); 01398 has_owner_ = false; 01399 } 01400 ~Mutex() { 01401 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_)); 01402 } 01403 01404 private: 01405 GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); 01406 }; 01407 01408 // We cannot name this class MutexLock as the ctor declaration would 01409 // conflict with a macro named MutexLock, which is defined on some 01410 // platforms. Hence the typedef trick below. 01411 class GTestMutexLock { 01412 public: 01413 explicit GTestMutexLock(MutexBase* mutex) 01414 : mutex_(mutex) { mutex_->Lock(); } 01415 01416 ~GTestMutexLock() { mutex_->Unlock(); } 01417 01418 private: 01419 MutexBase* const mutex_; 01420 01421 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); 01422 }; 01423 01424 typedef GTestMutexLock MutexLock; 01425 01426 // Helpers for ThreadLocal. 01427 01428 // pthread_key_create() requires DeleteThreadLocalValue() to have 01429 // C-linkage. Therefore it cannot be templatized to access 01430 // ThreadLocal<T>. Hence the need for class 01431 // ThreadLocalValueHolderBase. 01432 class ThreadLocalValueHolderBase { 01433 public: 01434 virtual ~ThreadLocalValueHolderBase() {} 01435 }; 01436 01437 // Called by pthread to delete thread-local data stored by 01438 // pthread_setspecific(). 01439 extern "C" inline void DeleteThreadLocalValue(void* value_holder) { 01440 delete static_cast<ThreadLocalValueHolderBase*>(value_holder); 01441 } 01442 01443 // Implements thread-local storage on pthreads-based systems. 01444 // 01445 // // Thread 1 01446 // ThreadLocal<int> tl(100); // 100 is the default value for each thread. 01447 // 01448 // // Thread 2 01449 // tl.set(150); // Changes the value for thread 2 only. 01450 // EXPECT_EQ(150, tl.get()); 01451 // 01452 // // Thread 1 01453 // EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value. 01454 // tl.set(200); 01455 // EXPECT_EQ(200, tl.get()); 01456 // 01457 // The template type argument T must have a public copy constructor. 01458 // In addition, the default ThreadLocal constructor requires T to have 01459 // a public default constructor. 01460 // 01461 // An object managed for a thread by a ThreadLocal instance is deleted 01462 // when the thread exits. Or, if the ThreadLocal instance dies in 01463 // that thread, when the ThreadLocal dies. It's the user's 01464 // responsibility to ensure that all other threads using a ThreadLocal 01465 // have exited when it dies, or the per-thread objects for those 01466 // threads will not be deleted. 01467 // 01468 // Google Test only uses global ThreadLocal objects. That means they 01469 // will die after main() has returned. Therefore, no per-thread 01470 // object managed by Google Test will be leaked as long as all threads 01471 // using Google Test have exited when main() returns. 01472 template <typename T> 01473 class ThreadLocal { 01474 public: 01475 ThreadLocal() : key_(CreateKey()), 01476 default_() {} 01477 explicit ThreadLocal(const T& value) : key_(CreateKey()), 01478 default_(value) {} 01479 01480 ~ThreadLocal() { 01481 // Destroys the managed object for the current thread, if any. 01482 DeleteThreadLocalValue(pthread_getspecific(key_)); 01483 01484 // Releases resources associated with the key. This will *not* 01485 // delete managed objects for other threads. 01486 GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_)); 01487 } 01488 01489 T* pointer() { return GetOrCreateValue(); } 01490 const T* pointer() const { return GetOrCreateValue(); } 01491 const T& get() const { return *pointer(); } 01492 void set(const T& value) { *pointer() = value; } 01493 01494 private: 01495 // Holds a value of type T. 01496 class ValueHolder : public ThreadLocalValueHolderBase { 01497 public: 01498 explicit ValueHolder(const T& value) : value_(value) {} 01499 01500 T* pointer() { return &value_; } 01501 01502 private: 01503 T value_; 01504 GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); 01505 }; 01506 01507 static pthread_key_t CreateKey() { 01508 pthread_key_t key; 01509 // When a thread exits, DeleteThreadLocalValue() will be called on 01510 // the object managed for that thread. 01511 GTEST_CHECK_POSIX_SUCCESS_( 01512 pthread_key_create(&key, &DeleteThreadLocalValue)); 01513 return key; 01514 } 01515 01516 T* GetOrCreateValue() const { 01517 ThreadLocalValueHolderBase* const holder = 01518 static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); 01519 if (holder != NULL) { 01520 return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); 01521 } 01522 01523 ValueHolder* const new_holder = new ValueHolder(default_); 01524 ThreadLocalValueHolderBase* const holder_base = new_holder; 01525 GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base)); 01526 return new_holder->pointer(); 01527 } 01528 01529 // A key pthreads uses for looking up per-thread values. 01530 const pthread_key_t key_; 01531 const T default_; // The default value for each thread. 01532 01533 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); 01534 }; 01535 01536 # define GTEST_IS_THREADSAFE 1 01537 01538 #else // GTEST_HAS_PTHREAD 01539 01540 // A dummy implementation of synchronization primitives (mutex, lock, 01541 // and thread-local variable). Necessary for compiling Google Test where 01542 // mutex is not supported - using Google Test in multiple threads is not 01543 // supported on such platforms. 01544 01545 class Mutex { 01546 public: 01547 Mutex() {} 01548 void Lock() {} 01549 void Unlock() {} 01550 void AssertHeld() const {} 01551 }; 01552 01553 # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 01554 extern ::testing::internal::Mutex mutex 01555 01556 # define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex 01557 01558 class GTestMutexLock { 01559 public: 01560 explicit GTestMutexLock(Mutex*) {} // NOLINT 01561 }; 01562 01563 typedef GTestMutexLock MutexLock; 01564 01565 template <typename T> 01566 class ThreadLocal { 01567 public: 01568 ThreadLocal() : value_() {} 01569 explicit ThreadLocal(const T& value) : value_(value) {} 01570 T* pointer() { return &value_; } 01571 const T* pointer() const { return &value_; } 01572 const T& get() const { return value_; } 01573 void set(const T& value) { value_ = value; } 01574 private: 01575 T value_; 01576 }; 01577 01578 // The above synchronization primitives have dummy implementations. 01579 // Therefore Google Test is not thread-safe. 01580 # define GTEST_IS_THREADSAFE 0 01581 01582 #endif // GTEST_HAS_PTHREAD 01583 01584 // Returns the number of threads running in the process, or 0 to indicate that 01585 // we cannot detect it. 01586 GTEST_API_ size_t GetThreadCount(); 01587 01588 // Passing non-POD classes through ellipsis (...) crashes the ARM 01589 // compiler and generates a warning in Sun Studio. The Nokia Symbian 01590 // and the IBM XL C/C++ compiler try to instantiate a copy constructor 01591 // for objects passed through ellipsis (...), failing for uncopyable 01592 // objects. We define this to ensure that only POD is passed through 01593 // ellipsis on these systems. 01594 #if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) 01595 // We lose support for NULL detection where the compiler doesn't like 01596 // passing non-POD classes through ellipsis (...). 01597 # define GTEST_ELLIPSIS_NEEDS_POD_ 1 01598 #else 01599 # define GTEST_CAN_COMPARE_NULL 1 01600 #endif 01601 01602 // The Nokia Symbian and IBM XL C/C++ compilers cannot decide between 01603 // const T& and const T* in a function template. These compilers 01604 // _can_ decide between class template specializations for T and T*, 01605 // so a tr1::type_traits-like is_pointer works. 01606 #if defined(__SYMBIAN32__) || defined(__IBMCPP__) 01607 # define GTEST_NEEDS_IS_POINTER_ 1 01608 #endif 01609 01610 template <bool bool_value> 01611 struct bool_constant { 01612 typedef bool_constant<bool_value> type; 01613 static const bool value = bool_value; 01614 }; 01615 template <bool bool_value> const bool bool_constant<bool_value>::value; 01616 01617 typedef bool_constant<false> false_type; 01618 typedef bool_constant<true> true_type; 01619 01620 template <typename T> 01621 struct is_pointer : public false_type {}; 01622 01623 template <typename T> 01624 struct is_pointer<T*> : public true_type {}; 01625 01626 template <typename Iterator> 01627 struct IteratorTraits { 01628 typedef typename Iterator::value_type value_type; 01629 }; 01630 01631 template <typename T> 01632 struct IteratorTraits<T*> { 01633 typedef T value_type; 01634 }; 01635 01636 template <typename T> 01637 struct IteratorTraits<const T*> { 01638 typedef T value_type; 01639 }; 01640 01641 #if GTEST_OS_WINDOWS 01642 # define GTEST_PATH_SEP_ "\\" 01643 # define GTEST_HAS_ALT_PATH_SEP_ 1 01644 // The biggest signed integer type the compiler supports. 01645 typedef __int64 BiggestInt; 01646 #else 01647 # define GTEST_PATH_SEP_ "/" 01648 # define GTEST_HAS_ALT_PATH_SEP_ 0 01649 typedef long long BiggestInt; // NOLINT 01650 #endif // GTEST_OS_WINDOWS 01651 01652 // Utilities for char. 01653 01654 // isspace(int ch) and friends accept an unsigned char or EOF. char 01655 // may be signed, depending on the compiler (or compiler flags). 01656 // Therefore we need to cast a char to unsigned char before calling 01657 // isspace(), etc. 01658 01659 inline bool IsAlpha(char ch) { 01660 return isalpha(static_cast<unsigned char>(ch)) != 0; 01661 } 01662 inline bool IsAlNum(char ch) { 01663 return isalnum(static_cast<unsigned char>(ch)) != 0; 01664 } 01665 inline bool IsDigit(char ch) { 01666 return isdigit(static_cast<unsigned char>(ch)) != 0; 01667 } 01668 inline bool IsLower(char ch) { 01669 return islower(static_cast<unsigned char>(ch)) != 0; 01670 } 01671 inline bool IsSpace(char ch) { 01672 return isspace(static_cast<unsigned char>(ch)) != 0; 01673 } 01674 inline bool IsUpper(char ch) { 01675 return isupper(static_cast<unsigned char>(ch)) != 0; 01676 } 01677 inline bool IsXDigit(char ch) { 01678 return isxdigit(static_cast<unsigned char>(ch)) != 0; 01679 } 01680 inline bool IsXDigit(wchar_t ch) { 01681 const unsigned char low_byte = static_cast<unsigned char>(ch); 01682 return ch == low_byte && isxdigit(low_byte) != 0; 01683 } 01684 01685 inline char ToLower(char ch) { 01686 return static_cast<char>(tolower(static_cast<unsigned char>(ch))); 01687 } 01688 inline char ToUpper(char ch) { 01689 return static_cast<char>(toupper(static_cast<unsigned char>(ch))); 01690 } 01691 01692 // The testing::internal::posix namespace holds wrappers for common 01693 // POSIX functions. These wrappers hide the differences between 01694 // Windows/MSVC and POSIX systems. Since some compilers define these 01695 // standard functions as macros, the wrapper cannot have the same name 01696 // as the wrapped function. 01697 01698 namespace posix { 01699 01700 // Functions with a different name on Windows. 01701 01702 #if GTEST_OS_WINDOWS 01703 01704 typedef struct _stat StatStruct; 01705 01706 # ifdef __BORLANDC__ 01707 inline int IsATTY(int fd) { return isatty(fd); } 01708 inline int StrCaseCmp(const char* s1, const char* s2) { 01709 return stricmp(s1, s2); 01710 } 01711 inline char* StrDup(const char* src) { return strdup(src); } 01712 # else // !__BORLANDC__ 01713 # if GTEST_OS_WINDOWS_MOBILE 01714 inline int IsATTY(int /* fd */) { return 0; } 01715 # else 01716 inline int IsATTY(int fd) { return _isatty(fd); } 01717 # endif // GTEST_OS_WINDOWS_MOBILE 01718 inline int StrCaseCmp(const char* s1, const char* s2) { 01719 return _stricmp(s1, s2); 01720 } 01721 inline char* StrDup(const char* src) { return _strdup(src); } 01722 # endif // __BORLANDC__ 01723 01724 # if GTEST_OS_WINDOWS_MOBILE 01725 inline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); } 01726 // Stat(), RmDir(), and IsDir() are not needed on Windows CE at this 01727 // time and thus not defined there. 01728 # else 01729 inline int FileNo(FILE* file) { return _fileno(file); } 01730 inline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); } 01731 inline int RmDir(const char* dir) { return _rmdir(dir); } 01732 inline bool IsDir(const StatStruct& st) { 01733 return (_S_IFDIR & st.st_mode) != 0; 01734 } 01735 # endif // GTEST_OS_WINDOWS_MOBILE 01736 01737 #else 01738 01739 typedef struct stat StatStruct; 01740 01741 inline int FileNo(FILE* file) { return fileno(file); } 01742 inline int IsATTY(int fd) { return isatty(fd); } 01743 inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } 01744 inline int StrCaseCmp(const char* s1, const char* s2) { 01745 return strcasecmp(s1, s2); 01746 } 01747 inline char* StrDup(const char* src) { return strdup(src); } 01748 inline int RmDir(const char* dir) { return rmdir(dir); } 01749 inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } 01750 01751 #endif // GTEST_OS_WINDOWS 01752 01753 // Functions deprecated by MSVC 8.0. 01754 01755 #ifdef _MSC_VER 01756 // Temporarily disable warning 4996 (deprecated function). 01757 # pragma warning(push) 01758 # pragma warning(disable:4996) 01759 #endif 01760 01761 inline const char* StrNCpy(char* dest, const char* src, size_t n) { 01762 return strncpy(dest, src, n); 01763 } 01764 01765 // ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and 01766 // StrError() aren't needed on Windows CE at this time and thus not 01767 // defined there. 01768 01769 #if !GTEST_OS_WINDOWS_MOBILE 01770 inline int ChDir(const char* dir) { return chdir(dir); } 01771 #endif 01772 inline FILE* FOpen(const char* path, const char* mode) { 01773 return fopen(path, mode); 01774 } 01775 #if !GTEST_OS_WINDOWS_MOBILE 01776 inline FILE *FReopen(const char* path, const char* mode, FILE* stream) { 01777 return freopen(path, mode, stream); 01778 } 01779 inline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); } 01780 #endif 01781 inline int FClose(FILE* fp) { return fclose(fp); } 01782 #if !GTEST_OS_WINDOWS_MOBILE 01783 inline int Read(int fd, void* buf, unsigned int count) { 01784 return static_cast<int>(read(fd, buf, count)); 01785 } 01786 inline int Write(int fd, const void* buf, unsigned int count) { 01787 return static_cast<int>(write(fd, buf, count)); 01788 } 01789 inline int Close(int fd) { return close(fd); } 01790 inline const char* StrError(int errnum) { return strerror(errnum); } 01791 #endif 01792 inline const char* GetEnv(const char* name) { 01793 #if GTEST_OS_WINDOWS_MOBILE 01794 // We are on Windows CE, which has no environment variables. 01795 return NULL; 01796 #elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9) 01797 // Environment variables which we programmatically clear will be set to the 01798 // empty string rather than unset (NULL). Handle that case. 01799 const char* const env = getenv(name); 01800 return (env != NULL && env[0] != '\0') ? env : NULL; 01801 #else 01802 return getenv(name); 01803 #endif 01804 } 01805 01806 #ifdef _MSC_VER 01807 # pragma warning(pop) // Restores the warning state. 01808 #endif 01809 01810 #if GTEST_OS_WINDOWS_MOBILE 01811 // Windows CE has no C library. The abort() function is used in 01812 // several places in Google Test. This implementation provides a reasonable 01813 // imitation of standard behaviour. 01814 void Abort(); 01815 #else 01816 inline void Abort() { abort(); } 01817 #endif // GTEST_OS_WINDOWS_MOBILE 01818 01819 } // namespace posix 01820 01821 // MSVC "deprecates" snprintf and issues warnings wherever it is used. In 01822 // order to avoid these warnings, we need to use _snprintf or _snprintf_s on 01823 // MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate 01824 // function in order to achieve that. We use macro definition here because 01825 // snprintf is a variadic function. 01826 #if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE 01827 // MSVC 2005 and above support variadic macros. 01828 # define GTEST_SNPRINTF_(buffer, size, format, ...) \ 01829 _snprintf_s(buffer, size, size, format, __VA_ARGS__) 01830 #elif defined(_MSC_VER) 01831 // Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't 01832 // complain about _snprintf. 01833 # define GTEST_SNPRINTF_ _snprintf 01834 #else 01835 # define GTEST_SNPRINTF_ snprintf 01836 #endif 01837 01838 // The maximum number a BiggestInt can represent. This definition 01839 // works no matter BiggestInt is represented in one's complement or 01840 // two's complement. 01841 // 01842 // We cannot rely on numeric_limits in STL, as __int64 and long long 01843 // are not part of standard C++ and numeric_limits doesn't need to be 01844 // defined for them. 01845 const BiggestInt kMaxBiggestInt = 01846 ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); 01847 01848 // This template class serves as a compile-time function from size to 01849 // type. It maps a size in bytes to a primitive type with that 01850 // size. e.g. 01851 // 01852 // TypeWithSize<4>::UInt 01853 // 01854 // is typedef-ed to be unsigned int (unsigned integer made up of 4 01855 // bytes). 01856 // 01857 // Such functionality should belong to STL, but I cannot find it 01858 // there. 01859 // 01860 // Google Test uses this class in the implementation of floating-point 01861 // comparison. 01862 // 01863 // For now it only handles UInt (unsigned int) as that's all Google Test 01864 // needs. Other types can be easily added in the future if need 01865 // arises. 01866 template <size_t size> 01867 class TypeWithSize { 01868 public: 01869 // This prevents the user from using TypeWithSize<N> with incorrect 01870 // values of N. 01871 typedef void UInt; 01872 }; 01873 01874 // The specialization for size 4. 01875 template <> 01876 class TypeWithSize<4> { 01877 public: 01878 // unsigned int has size 4 in both gcc and MSVC. 01879 // 01880 // As base/basictypes.h doesn't compile on Windows, we cannot use 01881 // uint32, uint64, and etc here. 01882 typedef int Int; 01883 typedef unsigned int UInt; 01884 }; 01885 01886 // The specialization for size 8. 01887 template <> 01888 class TypeWithSize<8> { 01889 public: 01890 #if GTEST_OS_WINDOWS 01891 typedef __int64 Int; 01892 typedef unsigned __int64 UInt; 01893 #else 01894 typedef long long Int; // NOLINT 01895 typedef unsigned long long UInt; // NOLINT 01896 #endif // GTEST_OS_WINDOWS 01897 }; 01898 01899 // Integer types of known sizes. 01900 typedef TypeWithSize<4>::Int Int32; 01901 typedef TypeWithSize<4>::UInt UInt32; 01902 typedef TypeWithSize<8>::Int Int64; 01903 typedef TypeWithSize<8>::UInt UInt64; 01904 typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. 01905 01906 // Utilities for command line flags and environment variables. 01907 01908 // Macro for referencing flags. 01909 #define GTEST_FLAG(name) FLAGS_gtest_##name 01910 01911 // Macros for declaring flags. 01912 #define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) 01913 #define GTEST_DECLARE_int32_(name) \ 01914 GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) 01915 #define GTEST_DECLARE_string_(name) \ 01916 GTEST_API_ extern ::std::string GTEST_FLAG(name) 01917 01918 // Macros for defining flags. 01919 #define GTEST_DEFINE_bool_(name, default_val, doc) \ 01920 GTEST_API_ bool GTEST_FLAG(name) = (default_val) 01921 #define GTEST_DEFINE_int32_(name, default_val, doc) \ 01922 GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) 01923 #define GTEST_DEFINE_string_(name, default_val, doc) \ 01924 GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val) 01925 01926 // Thread annotations 01927 #define GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks) 01928 #define GTEST_LOCK_EXCLUDED_(locks) 01929 01930 // Parses 'str' for a 32-bit signed integer. If successful, writes the result 01931 // to *value and returns true; otherwise leaves *value unchanged and returns 01932 // false. 01933 // TODO(chandlerc): Find a better way to refactor flag and environment parsing 01934 // out of both gtest-port.cc and gtest.cc to avoid exporting this utility 01935 // function. 01936 bool ParseInt32(const Message& src_text, const char* str, Int32* value); 01937 01938 // Parses a bool/Int32/string from the environment variable 01939 // corresponding to the given Google Test flag. 01940 bool BoolFromGTestEnv(const char* flag, bool default_val); 01941 GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); 01942 const char* StringFromGTestEnv(const char* flag, const char* default_val); 01943 01944 } // namespace internal 01945 } // namespace testing 01946 01947 #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_