1 // Copyright 2005, Google Inc.
2 // All rights reserved.
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
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
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.
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.
30 // Authors: wan@google.com (Zhanyong Wan)
32 // Low-level types and utilities for porting Google Test to various
33 // platforms. They are subject to change without notice. DO NOT USE
36 // This file is fundamental to Google Test. All other Google Test source
37 // files are expected to #include this. Therefore, it cannot #include
38 // any other Google Test header.
40 #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
41 #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
43 // The user can define the following macros in the build script to
44 // control Google Test's behavior. If the user doesn't define a macro
45 // in this list, Google Test will define it.
47 // GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2)
48 // is/isn't available.
49 // GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions
51 // GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string
52 // is/isn't available (some systems define
53 // ::string, which is different to std::string).
54 // GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string
55 // is/isn't available (some systems define
56 // ::wstring, which is different to std::wstring).
57 // GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular
58 // expressions are/aren't available.
59 // GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h>
60 // is/isn't available.
61 // GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't
63 // GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that
64 // std::wstring does/doesn't work (Google Test can
65 // be used where std::wstring is unavailable).
66 // GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple
67 // is/isn't available.
68 // GTEST_HAS_SEH - Define it to 1/0 to indicate whether the
69 // compiler supports Microsoft's "Structured
70 // Exception Handling".
71 // GTEST_HAS_STREAM_REDIRECTION
72 // - Define it to 1/0 to indicate whether the
73 // platform supports I/O stream redirection using
75 // GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google
76 // Test's own tr1 tuple implementation should be
77 // used. Unused when the user sets
78 // GTEST_HAS_TR1_TUPLE to 0.
79 // GTEST_LANG_CXX11 - Define it to 1/0 to indicate that Google Test
80 // is building in C++11/C++98 mode.
81 // GTEST_LINKED_AS_SHARED_LIBRARY
82 // - Define to 1 when compiling tests that use
83 // Google Test as a shared library (known as
85 // GTEST_CREATE_SHARED_LIBRARY
86 // - Define to 1 when compiling Google Test itself
87 // as a shared library.
89 // This header defines the following utilities:
91 // Macros indicating the current platform (defined to 1 if compiled on
92 // the given platform; otherwise undefined):
93 // GTEST_OS_AIX - IBM AIX
94 // GTEST_OS_CYGWIN - Cygwin
95 // GTEST_OS_HPUX - HP-UX
96 // GTEST_OS_LINUX - Linux
97 // GTEST_OS_LINUX_ANDROID - Google Android
98 // GTEST_OS_MAC - Mac OS X
100 // GTEST_OS_IOS_SIMULATOR - iOS simulator
101 // GTEST_OS_NACL - Google Native Client (NaCl)
102 // GTEST_OS_OPENBSD - OpenBSD
103 // GTEST_OS_QNX - QNX
104 // GTEST_OS_SOLARIS - Sun Solaris
105 // GTEST_OS_SYMBIAN - Symbian
106 // GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile)
107 // GTEST_OS_WINDOWS_DESKTOP - Windows Desktop
108 // GTEST_OS_WINDOWS_MINGW - MinGW
109 // GTEST_OS_WINDOWS_MOBILE - Windows Mobile
110 // GTEST_OS_ZOS - z/OS
112 // Among the platforms, Cygwin, Linux, Max OS X, and Windows have the
113 // most stable support. Since core members of the Google Test project
114 // don't have access to other platforms, support for them may be less
115 // stable. If you notice any problems on your platform, please notify
116 // googletestframework@googlegroups.com (patches for fixing them are
117 // even more welcome!).
119 // Note that it is possible that none of the GTEST_OS_* macros are defined.
121 // Macros indicating available Google Test features (defined to 1 if
122 // the corresponding feature is supported; otherwise undefined):
123 // GTEST_HAS_COMBINE - the Combine() function (for value-parameterized
125 // GTEST_HAS_DEATH_TEST - death tests
126 // GTEST_HAS_PARAM_TEST - value-parameterized tests
127 // GTEST_HAS_TYPED_TEST - typed tests
128 // GTEST_HAS_TYPED_TEST_P - type-parameterized tests
129 // GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with
130 // GTEST_HAS_POSIX_RE (see above) which users can
131 // define themselves.
132 // GTEST_USES_SIMPLE_RE - our own simple regex is used;
133 // the above two are mutually exclusive.
134 // GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ().
136 // Macros for basic C++ coding:
137 // GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning.
138 // GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a
139 // variable don't have to be used.
140 // GTEST_DISALLOW_ASSIGN_ - disables operator=.
141 // GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=.
142 // GTEST_MUST_USE_RESULT_ - declares that a function's result must be used.
145 // Mutex, MutexLock, ThreadLocal, GetThreadCount()
146 // - synchronization primitives.
147 // GTEST_IS_THREADSAFE - defined to 1 to indicate that the above
148 // synchronization primitives have real implementations
149 // and Google Test is thread-safe; or 0 otherwise.
151 // Template meta programming:
152 // is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only.
153 // IteratorTraits - partial implementation of std::iterator_traits, which
154 // is not available in libCstd when compiled with Sun C++.
157 // scoped_ptr - as in TR2.
159 // Regular expressions:
160 // RE - a simple regular expression class using the POSIX
161 // Extended Regular Expression syntax on UNIX-like
162 // platforms, or a reduced regular exception syntax on
163 // other platforms, including Windows.
166 // GTEST_LOG_() - logs messages at the specified severity level.
167 // LogToStderr() - directs all log messages to stderr.
168 // FlushInfoLog() - flushes informational log messages.
170 // Stdout and stderr capturing:
171 // CaptureStdout() - starts capturing stdout.
172 // GetCapturedStdout() - stops capturing stdout and returns the captured
174 // CaptureStderr() - starts capturing stderr.
175 // GetCapturedStderr() - stops capturing stderr and returns the captured
179 // TypeWithSize - maps an integer to an int type.
180 // Int32, UInt32, Int64, UInt64, TimeInMillis
181 // - integers of known sizes.
182 // BiggestInt - the biggest signed integer type.
184 // Command-line utilities:
185 // GTEST_FLAG() - references a flag.
186 // GTEST_DECLARE_*() - declares a flag.
187 // GTEST_DEFINE_*() - defines a flag.
188 // GetInjectableArgvs() - returns the command line as a vector of strings.
190 // Environment variable utilities:
191 // GetEnv() - gets the value of an environment variable.
192 // BoolFromGTestEnv() - parses a bool environment variable.
193 // Int32FromGTestEnv() - parses an Int32 environment variable.
194 // StringFromGTestEnv() - parses a string environment variable.
196 #include <ctype.h> // for isspace, etc
197 #include <stddef.h> // for ptrdiff_t
202 # include <sys/types.h>
203 # include <sys/stat.h>
204 #endif // !_WIN32_WCE
206 #if defined __APPLE__
207 # include <AvailabilityMacros.h>
208 # include <TargetConditionals.h>
211 #include <iostream> // NOLINT
212 #include <sstream> // NOLINT
213 #include <string> // NOLINT
215 #define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com"
216 #define GTEST_FLAG_PREFIX_ "gtest_"
217 #define GTEST_FLAG_PREFIX_DASH_ "gtest-"
218 #define GTEST_FLAG_PREFIX_UPPER_ "GTEST_"
219 #define GTEST_NAME_ "Google Test"
220 #define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/"
222 // Determines the version of gcc that is used to compile this.
224 // 40302 means version 4.3.2.
225 # define GTEST_GCC_VER_ \
226 (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__)
229 // Determines the platform on which Google Test is compiled.
231 # define GTEST_OS_CYGWIN 1
232 #elif defined __SYMBIAN32__
233 # define GTEST_OS_SYMBIAN 1
235 # define GTEST_OS_WINDOWS 1
237 # define GTEST_OS_WINDOWS_MOBILE 1
238 # elif defined(__MINGW__) || defined(__MINGW32__)
239 # define GTEST_OS_WINDOWS_MINGW 1
241 # define GTEST_OS_WINDOWS_DESKTOP 1
242 # endif // _WIN32_WCE
243 #elif defined __APPLE__
244 # define GTEST_OS_MAC 1
245 # if TARGET_OS_IPHONE
246 # define GTEST_OS_IOS 1
247 # if TARGET_IPHONE_SIMULATOR
248 # define GTEST_OS_IOS_SIMULATOR 1
251 #elif defined __linux__
252 # define GTEST_OS_LINUX 1
253 # if defined __ANDROID__
254 # define GTEST_OS_LINUX_ANDROID 1
256 #elif defined __MVS__
257 # define GTEST_OS_ZOS 1
258 #elif defined(__sun) && defined(__SVR4)
259 # define GTEST_OS_SOLARIS 1
261 # define GTEST_OS_AIX 1
262 #elif defined(__hpux)
263 # define GTEST_OS_HPUX 1
264 #elif defined __native_client__
265 # define GTEST_OS_NACL 1
266 #elif defined __OpenBSD__
267 # define GTEST_OS_OPENBSD 1
268 #elif defined __QNX__
269 # define GTEST_OS_QNX 1
272 #ifndef GTEST_LANG_CXX11
273 // gcc and clang define __GXX_EXPERIMENTAL_CXX0X__ when
274 // -std={c,gnu}++{0x,11} is passed. The C++11 standard specifies a
275 // value for __cplusplus, and recent versions of clang, gcc, and
276 // probably other compilers set that too in C++11 mode.
277 # if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus >= 201103L
278 // Compiling in at least C++11 mode.
279 # define GTEST_LANG_CXX11 1
281 # define GTEST_LANG_CXX11 0
285 // Brings in definitions for functions used in the testing::internal::posix
286 // namespace (read, write, close, chdir, isatty, stat). We do not currently
287 // use them on Windows Mobile.
288 #if !GTEST_OS_WINDOWS
289 // This assumes that non-Windows OSes provide unistd.h. For OSes where this
290 // is not the case, we need to include headers that provide the functions
293 # include <strings.h>
294 #elif !GTEST_OS_WINDOWS_MOBILE
299 #if GTEST_OS_LINUX_ANDROID
300 // Used to define __ANDROID_API__ matching the target NDK API level.
301 # include <android/api-level.h> // NOLINT
304 // Defines this to true iff Google Test can use POSIX regular expressions.
305 #ifndef GTEST_HAS_POSIX_RE
306 # if GTEST_OS_LINUX_ANDROID
307 // On Android, <regex.h> is only available starting with Gingerbread.
308 # define GTEST_HAS_POSIX_RE (__ANDROID_API__ >= 9)
310 # define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS)
314 #if GTEST_HAS_POSIX_RE
316 // On some platforms, <regex.h> needs someone to define size_t, and
317 // won't compile otherwise. We can #include it here as we already
318 // included <stdlib.h>, which is guaranteed to define size_t through
320 # include <regex.h> // NOLINT
322 # define GTEST_USES_POSIX_RE 1
324 #elif GTEST_OS_WINDOWS
326 // <regex.h> is not available on Windows. Use our own simple regex
327 // implementation instead.
328 # define GTEST_USES_SIMPLE_RE 1
332 // <regex.h> may not be available on this platform. Use our own
333 // simple regex implementation instead.
334 # define GTEST_USES_SIMPLE_RE 1
336 #endif // GTEST_HAS_POSIX_RE
338 #ifndef GTEST_HAS_EXCEPTIONS
339 // The user didn't tell us whether exceptions are enabled, so we need
341 # if defined(_MSC_VER) || defined(__BORLANDC__)
342 // MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS
343 // macro to enable exceptions, so we'll do the same.
344 // Assumes that exceptions are enabled by default.
345 # ifndef _HAS_EXCEPTIONS
346 # define _HAS_EXCEPTIONS 1
347 # endif // _HAS_EXCEPTIONS
348 # define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
349 # elif defined(__GNUC__) && __EXCEPTIONS
350 // gcc defines __EXCEPTIONS to 1 iff exceptions are enabled.
351 # define GTEST_HAS_EXCEPTIONS 1
352 # elif defined(__SUNPRO_CC)
353 // Sun Pro CC supports exceptions. However, there is no compile-time way of
354 // detecting whether they are enabled or not. Therefore, we assume that
355 // they are enabled unless the user tells us otherwise.
356 # define GTEST_HAS_EXCEPTIONS 1
357 # elif defined(__IBMCPP__) && __EXCEPTIONS
358 // xlC defines __EXCEPTIONS to 1 iff exceptions are enabled.
359 # define GTEST_HAS_EXCEPTIONS 1
360 # elif defined(__HP_aCC)
361 // Exception handling is in effect by default in HP aCC compiler. It has to
362 // be turned of by +noeh compiler option if desired.
363 # define GTEST_HAS_EXCEPTIONS 1
365 // For other compilers, we assume exceptions are disabled to be
367 # define GTEST_HAS_EXCEPTIONS 0
368 # endif // defined(_MSC_VER) || defined(__BORLANDC__)
369 #endif // GTEST_HAS_EXCEPTIONS
371 #if !defined(GTEST_HAS_STD_STRING)
372 // Even though we don't use this macro any longer, we keep it in case
373 // some clients still depend on it.
374 # define GTEST_HAS_STD_STRING 1
375 #elif !GTEST_HAS_STD_STRING
376 // The user told us that ::std::string isn't available.
377 # error "Google Test cannot be used where ::std::string isn't available."
378 #endif // !defined(GTEST_HAS_STD_STRING)
380 #ifndef GTEST_HAS_GLOBAL_STRING
381 // The user didn't tell us whether ::string is available, so we need
384 # define GTEST_HAS_GLOBAL_STRING 0
386 #endif // GTEST_HAS_GLOBAL_STRING
388 #ifndef GTEST_HAS_STD_WSTRING
389 // The user didn't tell us whether ::std::wstring is available, so we need
391 // TODO(wan@google.com): uses autoconf to detect whether ::std::wstring
394 // Cygwin 1.7 and below doesn't support ::std::wstring.
395 // Solaris' libc++ doesn't support it either. Android has
396 // no support for it at least as recent as Froyo (2.2).
397 # define GTEST_HAS_STD_WSTRING \
398 (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS))
400 #endif // GTEST_HAS_STD_WSTRING
402 #ifndef GTEST_HAS_GLOBAL_WSTRING
403 // The user didn't tell us whether ::wstring is available, so we need
405 # define GTEST_HAS_GLOBAL_WSTRING \
406 (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING)
407 #endif // GTEST_HAS_GLOBAL_WSTRING
409 // Determines whether RTTI is available.
410 #ifndef GTEST_HAS_RTTI
411 // The user didn't tell us whether RTTI is enabled, so we need to
416 # ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled.
417 # define GTEST_HAS_RTTI 1
419 # define GTEST_HAS_RTTI 0
422 // Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled.
423 # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302)
426 // When building against STLport with the Android NDK and with
427 // -frtti -fno-exceptions, the build fails at link time with undefined
428 // references to __cxa_bad_typeid. Note sure if STL or toolchain bug,
429 // so disable RTTI when detected.
430 # if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) && \
431 !defined(__EXCEPTIONS)
432 # define GTEST_HAS_RTTI 0
434 # define GTEST_HAS_RTTI 1
435 # endif // GTEST_OS_LINUX_ANDROID && __STLPORT_MAJOR && !__EXCEPTIONS
437 # define GTEST_HAS_RTTI 0
438 # endif // __GXX_RTTI
440 // Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends
441 // using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the
442 // first version with C++ support.
443 # elif defined(__clang__)
445 # define GTEST_HAS_RTTI __has_feature(cxx_rtti)
447 // Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if
448 // both the typeid and dynamic_cast features are present.
449 # elif defined(__IBMCPP__) && (__IBMCPP__ >= 900)
452 # define GTEST_HAS_RTTI 1
454 # define GTEST_HAS_RTTI 0
459 // For all other compilers, we assume RTTI is enabled.
460 # define GTEST_HAS_RTTI 1
464 #endif // GTEST_HAS_RTTI
466 // It's this header's responsibility to #include <typeinfo> when RTTI
472 // Determines whether Google Test can use the pthreads library.
473 #ifndef GTEST_HAS_PTHREAD
474 // The user didn't tell us explicitly, so we assume pthreads support is
475 // available on Linux and Mac.
477 // To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0
478 // to your compiler flags.
479 # define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX \
481 #endif // GTEST_HAS_PTHREAD
483 #if GTEST_HAS_PTHREAD
484 // gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is
486 # include <pthread.h> // NOLINT
488 // For timespec and nanosleep, used below.
489 # include <time.h> // NOLINT
492 // Determines whether Google Test can use tr1/tuple. You can define
493 // this macro to 0 to prevent Google Test from using tuple (any
494 // feature depending on tuple with be disabled in this mode).
495 #ifndef GTEST_HAS_TR1_TUPLE
496 # if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR)
497 // STLport, provided with the Android NDK, has neither <tr1/tuple> or <tuple>.
498 # define GTEST_HAS_TR1_TUPLE 0
500 // The user didn't tell us not to do it, so we assume it's OK.
501 # define GTEST_HAS_TR1_TUPLE 1
503 #endif // GTEST_HAS_TR1_TUPLE
505 // Determines whether Google Test's own tr1 tuple implementation
507 #ifndef GTEST_USE_OWN_TR1_TUPLE
508 // The user didn't tell us, so we need to figure it out.
510 // We use our own TR1 tuple if we aren't sure the user has an
511 // implementation of it already. At this time, libstdc++ 4.0.0+ and
512 // MSVC 2010 are the only mainstream standard libraries that come
513 // with a TR1 tuple implementation. NVIDIA's CUDA NVCC compiler
514 // pretends to be GCC by defining __GNUC__ and friends, but cannot
515 // compile GCC's tuple implementation. MSVC 2008 (9.0) provides TR1
516 // tuple in a 323 MB Feature Pack download, which we cannot assume the
517 // user has. QNX's QCC compiler is a modified GCC but it doesn't
518 // support TR1 tuple. libc++ only provides std::tuple, in C++11 mode,
519 // and it can be used with some compilers that define __GNUC__.
520 # if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000) \
521 && !GTEST_OS_QNX && !defined(_LIBCPP_VERSION)) || _MSC_VER >= 1600
522 # define GTEST_ENV_HAS_TR1_TUPLE_ 1
525 // C++11 specifies that <tuple> provides std::tuple. Use that if gtest is used
526 // in C++11 mode and libstdc++ isn't very old (binaries targeting OS X 10.6
527 // can build with clang but need to use gcc4.2's libstdc++).
528 # if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325)
529 # define GTEST_ENV_HAS_STD_TUPLE_ 1
532 # if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_
533 # define GTEST_USE_OWN_TR1_TUPLE 0
535 # define GTEST_USE_OWN_TR1_TUPLE 1
538 #endif // GTEST_USE_OWN_TR1_TUPLE
540 // To avoid conditional compilation everywhere, we make it
541 // gtest-port.h's responsibility to #include the header implementing
543 #if GTEST_HAS_TR1_TUPLE
545 # if GTEST_USE_OWN_TR1_TUPLE
546 # include "gtest/internal/gtest-tuple.h"
547 # elif GTEST_ENV_HAS_STD_TUPLE_
549 // C++11 puts its tuple into the ::std namespace rather than
550 // ::std::tr1. gtest expects tuple to live in ::std::tr1, so put it there.
551 // This causes undefined behavior, but supported compilers react in
552 // the way we intend.
556 using ::std::make_tuple
;
558 using ::std::tuple_element
;
559 using ::std::tuple_size
;
563 # elif GTEST_OS_SYMBIAN
565 // On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to
566 // use STLport's tuple implementation, which unfortunately doesn't
567 // work as the copy of STLport distributed with Symbian is incomplete.
568 // By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to
569 // use its own tuple implementation.
570 # ifdef BOOST_HAS_TR1_TUPLE
571 # undef BOOST_HAS_TR1_TUPLE
572 # endif // BOOST_HAS_TR1_TUPLE
574 // This prevents <boost/tr1/detail/config.hpp>, which defines
575 // BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>.
576 # define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED
579 # elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000)
580 // GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does
581 // not conform to the TR1 spec, which requires the header to be <tuple>.
583 # if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302
584 // Until version 4.3.2, gcc has a bug that causes <tr1/functional>,
585 // which is #included by <tr1/tuple>, to not compile when RTTI is
586 // disabled. _TR1_FUNCTIONAL is the header guard for
587 // <tr1/functional>. Hence the following #define is a hack to prevent
588 // <tr1/functional> from being included.
589 # define _TR1_FUNCTIONAL 1
590 # include <tr1/tuple>
591 # undef _TR1_FUNCTIONAL // Allows the user to #include
592 // <tr1/functional> if he chooses to.
594 # include <tr1/tuple> // NOLINT
595 # endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302
598 // If the compiler is not GCC 4.0+, we assume the user is using a
599 // spec-conforming TR1 implementation.
600 # include <tuple> // NOLINT
601 # endif // GTEST_USE_OWN_TR1_TUPLE
603 #endif // GTEST_HAS_TR1_TUPLE
605 // Determines whether clone(2) is supported.
606 // Usually it will only be available on Linux, excluding
607 // Linux on the Itanium architecture.
608 // Also see http://linux.die.net/man/2/clone.
609 #ifndef GTEST_HAS_CLONE
610 // The user didn't tell us, so we need to figure it out.
612 # if GTEST_OS_LINUX && !defined(__ia64__)
613 # if GTEST_OS_LINUX_ANDROID
614 // On Android, clone() is only available on ARM starting with Gingerbread.
615 # if defined(__arm__) && __ANDROID_API__ >= 9
616 # define GTEST_HAS_CLONE 1
618 # define GTEST_HAS_CLONE 0
621 # define GTEST_HAS_CLONE 1
624 # define GTEST_HAS_CLONE 0
625 # endif // GTEST_OS_LINUX && !defined(__ia64__)
627 #endif // GTEST_HAS_CLONE
629 // Determines whether to support stream redirection. This is used to test
630 // output correctness and to implement death tests.
631 #ifndef GTEST_HAS_STREAM_REDIRECTION
632 // By default, we assume that stream redirection is supported on all
633 // platforms except known mobile ones.
634 # if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN
635 # define GTEST_HAS_STREAM_REDIRECTION 0
637 # define GTEST_HAS_STREAM_REDIRECTION 1
638 # endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN
639 #endif // GTEST_HAS_STREAM_REDIRECTION
641 // Determines whether to support death tests.
642 // Google Test does not support death tests for VC 7.1 and earlier as
643 // abort() in a VC 7.1 application compiled as GUI in debug config
644 // pops up a dialog window that cannot be suppressed programmatically.
645 #if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
646 (GTEST_OS_MAC && !GTEST_OS_IOS) || GTEST_OS_IOS_SIMULATOR || \
647 (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \
648 GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \
649 GTEST_OS_OPENBSD || GTEST_OS_QNX)
650 # define GTEST_HAS_DEATH_TEST 1
651 # include <vector> // NOLINT
654 // We don't support MSVC 7.1 with exceptions disabled now. Therefore
655 // all the compilers we care about are adequate for supporting
656 // value-parameterized tests.
657 #define GTEST_HAS_PARAM_TEST 1
659 // Determines whether to support type-driven tests.
661 // Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0,
662 // Sun Pro CC, IBM Visual Age, and HP aCC support.
663 #if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \
664 defined(__IBMCPP__) || defined(__HP_aCC)
665 # define GTEST_HAS_TYPED_TEST 1
666 # define GTEST_HAS_TYPED_TEST_P 1
669 // Determines whether to support Combine(). This only makes sense when
670 // value-parameterized tests are enabled. The implementation doesn't
671 // work on Sun Studio since it doesn't understand templated conversion
673 #if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC)
674 # define GTEST_HAS_COMBINE 1
677 // Determines whether the system compiler uses UTF-16 for encoding wide strings.
678 #define GTEST_WIDE_STRING_USES_UTF16_ \
679 (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX)
681 // Determines whether test results can be streamed to a socket.
683 # define GTEST_CAN_STREAM_RESULTS_ 1
686 // Defines some utility macros.
688 // The GNU compiler emits a warning if nested "if" statements are followed by
689 // an "else" statement and braces are not used to explicitly disambiguate the
690 // "else" binding. This leads to problems with code like:
693 // ASSERT_*(condition) << "Some message";
695 // The "switch (0) case 0:" idiom is used to suppress this.
696 #ifdef __INTEL_COMPILER
697 # define GTEST_AMBIGUOUS_ELSE_BLOCKER_
699 # define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT
702 // Use this annotation at the end of a struct/class definition to
703 // prevent the compiler from optimizing away instances that are never
704 // used. This is useful when all interesting logic happens inside the
705 // c'tor and / or d'tor. Example:
709 // } GTEST_ATTRIBUTE_UNUSED_;
711 // Also use it after a variable or parameter declaration to tell the
712 // compiler the variable/parameter does not have to be used.
713 #if defined(__GNUC__) && !defined(COMPILER_ICC)
714 # define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused))
716 # define GTEST_ATTRIBUTE_UNUSED_
719 // A macro to disallow operator=
720 // This should be used in the private: declarations for a class.
721 #define GTEST_DISALLOW_ASSIGN_(type)\
722 void operator=(type const &)
724 // A macro to disallow copy constructor and operator=
725 // This should be used in the private: declarations for a class.
726 #define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\
728 GTEST_DISALLOW_ASSIGN_(type)
730 // Tell the compiler to warn about unused return values for functions declared
731 // with this macro. The macro should be used on function declarations
732 // following the argument list:
734 // Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_;
735 #if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC)
736 # define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result))
738 # define GTEST_MUST_USE_RESULT_
739 #endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC
741 // Determine whether the compiler supports Microsoft's Structured Exception
742 // Handling. This is supported by several Windows compilers but generally
743 // does not exist on any other system.
744 #ifndef GTEST_HAS_SEH
745 // The user didn't tell us, so we need to figure it out.
747 # if defined(_MSC_VER) || defined(__BORLANDC__)
748 // These two compilers are known to support SEH.
749 # define GTEST_HAS_SEH 1
752 # define GTEST_HAS_SEH 0
755 #endif // GTEST_HAS_SEH
759 # if GTEST_LINKED_AS_SHARED_LIBRARY
760 # define GTEST_API_ __declspec(dllimport)
761 # elif GTEST_CREATE_SHARED_LIBRARY
762 # define GTEST_API_ __declspec(dllexport)
772 // Ask the compiler to never inline a given function.
773 # define GTEST_NO_INLINE_ __attribute__((noinline))
775 # define GTEST_NO_INLINE_
778 // _LIBCPP_VERSION is defined by the libc++ library from the LLVM project.
779 #if defined(__GLIBCXX__) || defined(_LIBCPP_VERSION)
780 # define GTEST_HAS_CXXABI_H_ 1
782 # define GTEST_HAS_CXXABI_H_ 0
791 // A secret type that Google Test users don't know about. It has no
792 // definition on purpose. Therefore it's impossible to create a
793 // Secret object, which is what we want.
796 // The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time
797 // expression is true. For example, you could use it to verify the
798 // size of a static array:
800 // GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES,
801 // content_type_names_incorrect_size);
803 // or to make sure a struct is smaller than a certain size:
805 // GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large);
807 // The second argument to the macro is the name of the variable. If
808 // the expression is false, most compilers will issue a warning/error
809 // containing the name of the variable.
812 struct CompileAssert
{
815 #define GTEST_COMPILE_ASSERT_(expr, msg) \
816 typedef ::testing::internal::CompileAssert<(static_cast<bool>(expr))> \
817 msg[static_cast<bool>(expr) ? 1 : -1] GTEST_ATTRIBUTE_UNUSED_
819 // Implementation details of GTEST_COMPILE_ASSERT_:
821 // - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1
822 // elements (and thus is invalid) when the expression is false.
824 // - The simpler definition
826 // #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1]
828 // does not work, as gcc supports variable-length arrays whose sizes
829 // are determined at run-time (this is gcc's extension and not part
830 // of the C++ standard). As a result, gcc fails to reject the
831 // following code with the simple definition:
834 // GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is
835 // // not a compile-time constant.
837 // - By using the type CompileAssert<(bool(expr))>, we ensures that
838 // expr is a compile-time constant. (Template arguments must be
839 // determined at compile-time.)
841 // - The outter parentheses in CompileAssert<(bool(expr))> are necessary
842 // to work around a bug in gcc 3.4.4 and 4.0.1. If we had written
844 // CompileAssert<bool(expr)>
846 // instead, these compilers will refuse to compile
848 // GTEST_COMPILE_ASSERT_(5 > 0, some_message);
850 // (They seem to think the ">" in "5 > 0" marks the end of the
851 // template argument list.)
853 // - The array size is (bool(expr) ? 1 : -1), instead of simply
855 // ((expr) ? 1 : -1).
857 // This is to avoid running into a bug in MS VC 7.1, which
858 // causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1.
860 // StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h.
862 // This template is declared, but intentionally undefined.
863 template <typename T1
, typename T2
>
864 struct StaticAssertTypeEqHelper
;
866 template <typename T
>
867 struct StaticAssertTypeEqHelper
<T
, T
> {};
869 #if GTEST_HAS_GLOBAL_STRING
870 typedef ::string string
;
872 typedef ::std::string string
;
873 #endif // GTEST_HAS_GLOBAL_STRING
875 #if GTEST_HAS_GLOBAL_WSTRING
876 typedef ::wstring wstring
;
877 #elif GTEST_HAS_STD_WSTRING
878 typedef ::std::wstring wstring
;
879 #endif // GTEST_HAS_GLOBAL_WSTRING
881 // A helper for suppressing warnings on constant condition. It just
882 // returns 'condition'.
883 GTEST_API_
bool IsTrue(bool condition
);
885 // Defines scoped_ptr.
887 // This implementation of scoped_ptr is PARTIAL - it only contains
888 // enough stuff to satisfy Google Test's need.
889 template <typename T
>
892 typedef T element_type
;
894 explicit scoped_ptr(T
* p
= NULL
) : ptr_(p
) {}
895 ~scoped_ptr() { reset(); }
897 T
& operator*() const { return *ptr_
; }
898 T
* operator->() const { return ptr_
; }
899 T
* get() const { return ptr_
; }
907 void reset(T
* p
= NULL
) {
909 if (IsTrue(sizeof(T
) > 0)) { // Makes sure T is a complete type.
919 GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr
);
924 // A simple C++ wrapper for <regex.h>. It uses the POSIX Extended
925 // Regular Expression syntax.
926 class GTEST_API_ RE
{
928 // A copy constructor is required by the Standard to initialize object
929 // references from r-values.
930 RE(const RE
& other
) { Init(other
.pattern()); }
932 // Constructs an RE from a string.
933 RE(const ::std::string
& regex
) { Init(regex
.c_str()); } // NOLINT
935 #if GTEST_HAS_GLOBAL_STRING
937 RE(const ::string
& regex
) { Init(regex
.c_str()); } // NOLINT
939 #endif // GTEST_HAS_GLOBAL_STRING
941 RE(const char* regex
) { Init(regex
); } // NOLINT
944 // Returns the string representation of the regex.
945 const char* pattern() const { return pattern_
; }
947 // FullMatch(str, re) returns true iff regular expression re matches
949 // PartialMatch(str, re) returns true iff regular expression re
950 // matches a substring of str (including str itself).
952 // TODO(wan@google.com): make FullMatch() and PartialMatch() work
953 // when str contains NUL characters.
954 static bool FullMatch(const ::std::string
& str
, const RE
& re
) {
955 return FullMatch(str
.c_str(), re
);
957 static bool PartialMatch(const ::std::string
& str
, const RE
& re
) {
958 return PartialMatch(str
.c_str(), re
);
961 #if GTEST_HAS_GLOBAL_STRING
963 static bool FullMatch(const ::string
& str
, const RE
& re
) {
964 return FullMatch(str
.c_str(), re
);
966 static bool PartialMatch(const ::string
& str
, const RE
& re
) {
967 return PartialMatch(str
.c_str(), re
);
970 #endif // GTEST_HAS_GLOBAL_STRING
972 static bool FullMatch(const char* str
, const RE
& re
);
973 static bool PartialMatch(const char* str
, const RE
& re
);
976 void Init(const char* regex
);
978 // We use a const char* instead of an std::string, as Google Test used to be
979 // used where std::string is not available. TODO(wan@google.com): change to
981 const char* pattern_
;
984 #if GTEST_USES_POSIX_RE
986 regex_t full_regex_
; // For FullMatch().
987 regex_t partial_regex_
; // For PartialMatch().
989 #else // GTEST_USES_SIMPLE_RE
991 const char* full_pattern_
; // For FullMatch();
995 GTEST_DISALLOW_ASSIGN_(RE
);
998 // Formats a source file path and a line number as they would appear
999 // in an error message from the compiler used to compile this code.
1000 GTEST_API_ ::std::string
FormatFileLocation(const char* file
, int line
);
1002 // Formats a file location for compiler-independent XML output.
1003 // Although this function is not platform dependent, we put it next to
1004 // FormatFileLocation in order to contrast the two functions.
1005 GTEST_API_ ::std::string
FormatCompilerIndependentFileLocation(const char* file
,
1008 // Defines logging utilities:
1009 // GTEST_LOG_(severity) - logs messages at the specified severity level. The
1010 // message itself is streamed into the macro.
1011 // LogToStderr() - directs all log messages to stderr.
1012 // FlushInfoLog() - flushes informational log messages.
1014 enum GTestLogSeverity
{
1021 // Formats log entry severity, provides a stream object for streaming the
1022 // log message, and terminates the message with a newline when going out of
1024 class GTEST_API_ GTestLog
{
1026 GTestLog(GTestLogSeverity severity
, const char* file
, int line
);
1028 // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program.
1031 ::std::ostream
& GetStream() { return ::std::cerr
; }
1034 const GTestLogSeverity severity_
;
1036 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog
);
1039 #define GTEST_LOG_(severity) \
1040 ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \
1041 __FILE__, __LINE__).GetStream()
1043 inline void LogToStderr() {}
1044 inline void FlushInfoLog() { fflush(NULL
); }
1046 // INTERNAL IMPLEMENTATION - DO NOT USE.
1048 // GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition
1049 // is not satisfied.
1051 // GTEST_CHECK_(boolean_condition);
1053 // GTEST_CHECK_(boolean_condition) << "Additional message";
1055 // This checks the condition and if the condition is not satisfied
1056 // it prints message about the condition violation, including the
1057 // condition itself, plus additional message streamed into it, if any,
1058 // and then it aborts the program. It aborts the program irrespective of
1059 // whether it is built in the debug mode or not.
1060 #define GTEST_CHECK_(condition) \
1061 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
1062 if (::testing::internal::IsTrue(condition)) \
1065 GTEST_LOG_(FATAL) << "Condition " #condition " failed. "
1067 // An all-mode assert to verify that the given POSIX-style function
1068 // call returns 0 (indicating success). Known limitation: this
1069 // doesn't expand to a balanced 'if' statement, so enclose the macro
1070 // in {} if you need to use it as the only statement in an 'if'
1072 #define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \
1073 if (const int gtest_error = (posix_call)) \
1074 GTEST_LOG_(FATAL) << #posix_call << "failed with error " \
1077 // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
1079 // Use ImplicitCast_ as a safe version of static_cast for upcasting in
1080 // the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a
1081 // const Foo*). When you use ImplicitCast_, the compiler checks that
1082 // the cast is safe. Such explicit ImplicitCast_s are necessary in
1083 // surprisingly many situations where C++ demands an exact type match
1084 // instead of an argument type convertable to a target type.
1086 // The syntax for using ImplicitCast_ is the same as for static_cast:
1088 // ImplicitCast_<ToType>(expr)
1090 // ImplicitCast_ would have been part of the C++ standard library,
1091 // but the proposal was submitted too late. It will probably make
1092 // its way into the language in the future.
1094 // This relatively ugly name is intentional. It prevents clashes with
1095 // similar functions users may have (e.g., implicit_cast). The internal
1096 // namespace alone is not enough because the function can be found by ADL.
1097 template<typename To
>
1098 inline To
ImplicitCast_(To x
) { return x
; }
1100 // When you upcast (that is, cast a pointer from type Foo to type
1101 // SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts
1102 // always succeed. When you downcast (that is, cast a pointer from
1103 // type Foo to type SubclassOfFoo), static_cast<> isn't safe, because
1104 // how do you know the pointer is really of type SubclassOfFoo? It
1105 // could be a bare Foo, or of type DifferentSubclassOfFoo. Thus,
1106 // when you downcast, you should use this macro. In debug mode, we
1107 // use dynamic_cast<> to double-check the downcast is legal (we die
1108 // if it's not). In normal mode, we do the efficient static_cast<>
1109 // instead. Thus, it's important to test in debug mode to make sure
1110 // the cast is legal!
1111 // This is the only place in the code we should use dynamic_cast<>.
1112 // In particular, you SHOULDN'T be using dynamic_cast<> in order to
1113 // do RTTI (eg code like this:
1114 // if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo);
1115 // if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo);
1116 // You should design the code some other way not to need this.
1118 // This relatively ugly name is intentional. It prevents clashes with
1119 // similar functions users may have (e.g., down_cast). The internal
1120 // namespace alone is not enough because the function can be found by ADL.
1121 template<typename To
, typename From
> // use like this: DownCast_<T*>(foo);
1122 inline To
DownCast_(From
* f
) { // so we only accept pointers
1123 // Ensures that To is a sub-type of From *. This test is here only
1124 // for compile-time type checking, and has no overhead in an
1125 // optimized build at run-time, as it will be optimized away
1129 ::testing::internal::ImplicitCast_
<From
*>(to
);
1133 // RTTI: debug mode only!
1134 GTEST_CHECK_(f
== NULL
|| dynamic_cast<To
>(f
) != NULL
);
1136 return static_cast<To
>(f
);
1139 // Downcasts the pointer of type Base to Derived.
1140 // Derived must be a subclass of Base. The parameter MUST
1141 // point to a class of type Derived, not any subclass of it.
1142 // When RTTI is available, the function performs a runtime
1143 // check to enforce this.
1144 template <class Derived
, class Base
>
1145 Derived
* CheckedDowncastToActualType(Base
* base
) {
1147 GTEST_CHECK_(typeid(*base
) == typeid(Derived
));
1148 return dynamic_cast<Derived
*>(base
); // NOLINT
1150 return static_cast<Derived
*>(base
); // Poor man's downcast.
1154 #if GTEST_HAS_STREAM_REDIRECTION
1156 // Defines the stderr capturer:
1157 // CaptureStdout - starts capturing stdout.
1158 // GetCapturedStdout - stops capturing stdout and returns the captured string.
1159 // CaptureStderr - starts capturing stderr.
1160 // GetCapturedStderr - stops capturing stderr and returns the captured string.
1162 GTEST_API_
void CaptureStdout();
1163 GTEST_API_
std::string
GetCapturedStdout();
1164 GTEST_API_
void CaptureStderr();
1165 GTEST_API_
std::string
GetCapturedStderr();
1167 #endif // GTEST_HAS_STREAM_REDIRECTION
1170 #if GTEST_HAS_DEATH_TEST
1172 const ::std::vector
<testing::internal::string
>& GetInjectableArgvs();
1173 void SetInjectableArgvs(const ::std::vector
<testing::internal::string
>*
1176 // A copy of all command line arguments. Set by InitGoogleTest().
1177 extern ::std::vector
<testing::internal::string
> g_argvs
;
1179 #endif // GTEST_HAS_DEATH_TEST
1181 // Defines synchronization primitives.
1183 #if GTEST_HAS_PTHREAD
1185 // Sleeps for (roughly) n milli-seconds. This function is only for
1186 // testing Google Test's own constructs. Don't use it in user tests,
1187 // either directly or indirectly.
1188 inline void SleepMilliseconds(int n
) {
1189 const timespec time
= {
1191 n
* 1000L * 1000L, // And n ms.
1193 nanosleep(&time
, NULL
);
1196 // Allows a controller thread to pause execution of newly created
1197 // threads until notified. Instances of this class must be created
1198 // and destroyed in the controller thread.
1200 // This class is only for testing Google Test's own constructs. Do not
1201 // use it in user tests, either directly or indirectly.
1202 class Notification
{
1204 Notification() : notified_(false) {
1205 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_
, NULL
));
1208 pthread_mutex_destroy(&mutex_
);
1211 // Notifies all threads created with this notification to start. Must
1212 // be called from the controller thread.
1214 pthread_mutex_lock(&mutex_
);
1216 pthread_mutex_unlock(&mutex_
);
1219 // Blocks until the controller thread notifies. Must be called from a test
1221 void WaitForNotification() {
1223 pthread_mutex_lock(&mutex_
);
1224 const bool notified
= notified_
;
1225 pthread_mutex_unlock(&mutex_
);
1228 SleepMilliseconds(10);
1233 pthread_mutex_t mutex_
;
1236 GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification
);
1239 // As a C-function, ThreadFuncWithCLinkage cannot be templated itself.
1240 // Consequently, it cannot select a correct instantiation of ThreadWithParam
1241 // in order to call its Run(). Introducing ThreadWithParamBase as a
1242 // non-templated base class for ThreadWithParam allows us to bypass this
1244 class ThreadWithParamBase
{
1246 virtual ~ThreadWithParamBase() {}
1247 virtual void Run() = 0;
1250 // pthread_create() accepts a pointer to a function type with the C linkage.
1251 // According to the Standard (7.5/1), function types with different linkages
1252 // are different even if they are otherwise identical. Some compilers (for
1253 // example, SunStudio) treat them as different types. Since class methods
1254 // cannot be defined with C-linkage we need to define a free C-function to
1255 // pass into pthread_create().
1256 extern "C" inline void* ThreadFuncWithCLinkage(void* thread
) {
1257 static_cast<ThreadWithParamBase
*>(thread
)->Run();
1261 // Helper class for testing Google Test's multi-threading constructs.
1262 // To use it, write:
1264 // void ThreadFunc(int param) { /* Do things with param */ }
1265 // Notification thread_can_start;
1267 // // The thread_can_start parameter is optional; you can supply NULL.
1268 // ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start);
1269 // thread_can_start.Notify();
1271 // These classes are only for testing Google Test's own constructs. Do
1272 // not use them in user tests, either directly or indirectly.
1273 template <typename T
>
1274 class ThreadWithParam
: public ThreadWithParamBase
{
1276 typedef void (*UserThreadFunc
)(T
);
1279 UserThreadFunc func
, T param
, Notification
* thread_can_start
)
1282 thread_can_start_(thread_can_start
),
1284 ThreadWithParamBase
* const base
= this;
1285 // The thread can be created only after all fields except thread_
1286 // have been initialized.
1287 GTEST_CHECK_POSIX_SUCCESS_(
1288 pthread_create(&thread_
, 0, &ThreadFuncWithCLinkage
, base
));
1290 ~ThreadWithParam() { Join(); }
1294 GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_
, 0));
1299 virtual void Run() {
1300 if (thread_can_start_
!= NULL
)
1301 thread_can_start_
->WaitForNotification();
1306 const UserThreadFunc func_
; // User-supplied thread function.
1307 const T param_
; // User-supplied parameter to the thread function.
1308 // When non-NULL, used to block execution until the controller thread
1310 Notification
* const thread_can_start_
;
1311 bool finished_
; // true iff we know that the thread function has finished.
1312 pthread_t thread_
; // The native thread object.
1314 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam
);
1317 // MutexBase and Mutex implement mutex on pthreads-based platforms. They
1318 // are used in conjunction with class MutexLock:
1322 // MutexLock lock(&mutex); // Acquires the mutex and releases it at the end
1323 // // of the current scope.
1325 // MutexBase implements behavior for both statically and dynamically
1326 // allocated mutexes. Do not use MutexBase directly. Instead, write
1327 // the following to define a static mutex:
1329 // GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex);
1331 // You can forward declare a static mutex like this:
1333 // GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex);
1335 // To create a dynamic mutex, just define an object of type Mutex.
1338 // Acquires this mutex.
1340 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_
));
1341 owner_
= pthread_self();
1345 // Releases this mutex.
1347 // Since the lock is being released the owner_ field should no longer be
1348 // considered valid. We don't protect writing to has_owner_ here, as it's
1349 // the caller's responsibility to ensure that the current thread holds the
1350 // mutex when this is called.
1352 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_
));
1355 // Does nothing if the current thread holds the mutex. Otherwise, crashes
1356 // with high probability.
1357 void AssertHeld() const {
1358 GTEST_CHECK_(has_owner_
&& pthread_equal(owner_
, pthread_self()))
1359 << "The current thread is not holding the mutex @" << this;
1362 // A static mutex may be used before main() is entered. It may even
1363 // be used before the dynamic initialization stage. Therefore we
1364 // must be able to initialize a static mutex object at link time.
1365 // This means MutexBase has to be a POD and its member variables
1366 // have to be public.
1368 pthread_mutex_t mutex_
; // The underlying pthread mutex.
1369 // has_owner_ indicates whether the owner_ field below contains a valid thread
1370 // ID and is therefore safe to inspect (e.g., to use in pthread_equal()). All
1371 // accesses to the owner_ field should be protected by a check of this field.
1372 // An alternative might be to memset() owner_ to all zeros, but there's no
1373 // guarantee that a zero'd pthread_t is necessarily invalid or even different
1374 // from pthread_self().
1376 pthread_t owner_
; // The thread holding the mutex.
1379 // Forward-declares a static mutex.
1380 # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \
1381 extern ::testing::internal::MutexBase mutex
1383 // Defines and statically (i.e. at link time) initializes a static mutex.
1384 // The initialization list here does not explicitly initialize each field,
1385 // instead relying on default initialization for the unspecified fields. In
1386 // particular, the owner_ field (a pthread_t) is not explicitly initialized.
1387 // This allows initialization to work whether pthread_t is a scalar or struct.
1388 // The flag -Wmissing-field-initializers must not be specified for this to work.
1389 # define GTEST_DEFINE_STATIC_MUTEX_(mutex) \
1390 ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, false }
1392 // The Mutex class can only be used for mutexes created at runtime. It
1393 // shares its API with MutexBase otherwise.
1394 class Mutex
: public MutexBase
{
1397 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_
, NULL
));
1401 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_
));
1405 GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex
);
1408 // We cannot name this class MutexLock as the ctor declaration would
1409 // conflict with a macro named MutexLock, which is defined on some
1410 // platforms. Hence the typedef trick below.
1411 class GTestMutexLock
{
1413 explicit GTestMutexLock(MutexBase
* mutex
)
1414 : mutex_(mutex
) { mutex_
->Lock(); }
1416 ~GTestMutexLock() { mutex_
->Unlock(); }
1419 MutexBase
* const mutex_
;
1421 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock
);
1424 typedef GTestMutexLock MutexLock
;
1426 // Helpers for ThreadLocal.
1428 // pthread_key_create() requires DeleteThreadLocalValue() to have
1429 // C-linkage. Therefore it cannot be templatized to access
1430 // ThreadLocal<T>. Hence the need for class
1431 // ThreadLocalValueHolderBase.
1432 class ThreadLocalValueHolderBase
{
1434 virtual ~ThreadLocalValueHolderBase() {}
1437 // Called by pthread to delete thread-local data stored by
1438 // pthread_setspecific().
1439 extern "C" inline void DeleteThreadLocalValue(void* value_holder
) {
1440 delete static_cast<ThreadLocalValueHolderBase
*>(value_holder
);
1443 // Implements thread-local storage on pthreads-based systems.
1446 // ThreadLocal<int> tl(100); // 100 is the default value for each thread.
1449 // tl.set(150); // Changes the value for thread 2 only.
1450 // EXPECT_EQ(150, tl.get());
1453 // EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value.
1455 // EXPECT_EQ(200, tl.get());
1457 // The template type argument T must have a public copy constructor.
1458 // In addition, the default ThreadLocal constructor requires T to have
1459 // a public default constructor.
1461 // An object managed for a thread by a ThreadLocal instance is deleted
1462 // when the thread exits. Or, if the ThreadLocal instance dies in
1463 // that thread, when the ThreadLocal dies. It's the user's
1464 // responsibility to ensure that all other threads using a ThreadLocal
1465 // have exited when it dies, or the per-thread objects for those
1466 // threads will not be deleted.
1468 // Google Test only uses global ThreadLocal objects. That means they
1469 // will die after main() has returned. Therefore, no per-thread
1470 // object managed by Google Test will be leaked as long as all threads
1471 // using Google Test have exited when main() returns.
1472 template <typename T
>
1475 ThreadLocal() : key_(CreateKey()),
1477 explicit ThreadLocal(const T
& value
) : key_(CreateKey()),
1481 // Destroys the managed object for the current thread, if any.
1482 DeleteThreadLocalValue(pthread_getspecific(key_
));
1484 // Releases resources associated with the key. This will *not*
1485 // delete managed objects for other threads.
1486 GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_
));
1489 T
* pointer() { return GetOrCreateValue(); }
1490 const T
* pointer() const { return GetOrCreateValue(); }
1491 const T
& get() const { return *pointer(); }
1492 void set(const T
& value
) { *pointer() = value
; }
1495 // Holds a value of type T.
1496 class ValueHolder
: public ThreadLocalValueHolderBase
{
1498 explicit ValueHolder(const T
& value
) : value_(value
) {}
1500 T
* pointer() { return &value_
; }
1504 GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder
);
1507 static pthread_key_t
CreateKey() {
1509 // When a thread exits, DeleteThreadLocalValue() will be called on
1510 // the object managed for that thread.
1511 GTEST_CHECK_POSIX_SUCCESS_(
1512 pthread_key_create(&key
, &DeleteThreadLocalValue
));
1516 T
* GetOrCreateValue() const {
1517 ThreadLocalValueHolderBase
* const holder
=
1518 static_cast<ThreadLocalValueHolderBase
*>(pthread_getspecific(key_
));
1519 if (holder
!= NULL
) {
1520 return CheckedDowncastToActualType
<ValueHolder
>(holder
)->pointer();
1523 ValueHolder
* const new_holder
= new ValueHolder(default_
);
1524 ThreadLocalValueHolderBase
* const holder_base
= new_holder
;
1525 GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_
, holder_base
));
1526 return new_holder
->pointer();
1529 // A key pthreads uses for looking up per-thread values.
1530 const pthread_key_t key_
;
1531 const T default_
; // The default value for each thread.
1533 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal
);
1536 # define GTEST_IS_THREADSAFE 1
1538 #else // GTEST_HAS_PTHREAD
1540 // A dummy implementation of synchronization primitives (mutex, lock,
1541 // and thread-local variable). Necessary for compiling Google Test where
1542 // mutex is not supported - using Google Test in multiple threads is not
1543 // supported on such platforms.
1550 void AssertHeld() const {}
1553 # define GTEST_DECLARE_STATIC_MUTEX_(mutex) \
1554 extern ::testing::internal::Mutex mutex
1556 # define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex
1558 class GTestMutexLock
{
1560 explicit GTestMutexLock(Mutex
*) {} // NOLINT
1563 typedef GTestMutexLock MutexLock
;
1565 template <typename T
>
1568 ThreadLocal() : value_() {}
1569 explicit ThreadLocal(const T
& value
) : value_(value
) {}
1570 T
* pointer() { return &value_
; }
1571 const T
* pointer() const { return &value_
; }
1572 const T
& get() const { return value_
; }
1573 void set(const T
& value
) { value_
= value
; }
1578 // The above synchronization primitives have dummy implementations.
1579 // Therefore Google Test is not thread-safe.
1580 # define GTEST_IS_THREADSAFE 0
1582 #endif // GTEST_HAS_PTHREAD
1584 // Returns the number of threads running in the process, or 0 to indicate that
1585 // we cannot detect it.
1586 GTEST_API_
size_t GetThreadCount();
1588 // Passing non-POD classes through ellipsis (...) crashes the ARM
1589 // compiler and generates a warning in Sun Studio. The Nokia Symbian
1590 // and the IBM XL C/C++ compiler try to instantiate a copy constructor
1591 // for objects passed through ellipsis (...), failing for uncopyable
1592 // objects. We define this to ensure that only POD is passed through
1593 // ellipsis on these systems.
1594 #if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC)
1595 // We lose support for NULL detection where the compiler doesn't like
1596 // passing non-POD classes through ellipsis (...).
1597 # define GTEST_ELLIPSIS_NEEDS_POD_ 1
1599 # define GTEST_CAN_COMPARE_NULL 1
1602 // The Nokia Symbian and IBM XL C/C++ compilers cannot decide between
1603 // const T& and const T* in a function template. These compilers
1604 // _can_ decide between class template specializations for T and T*,
1605 // so a tr1::type_traits-like is_pointer works.
1606 #if defined(__SYMBIAN32__) || defined(__IBMCPP__)
1607 # define GTEST_NEEDS_IS_POINTER_ 1
1610 template <bool bool_value
>
1611 struct bool_constant
{
1612 typedef bool_constant
<bool_value
> type
;
1613 static const bool value
= bool_value
;
1615 template <bool bool_value
> const bool bool_constant
<bool_value
>::value
;
1617 typedef bool_constant
<false> false_type
;
1618 typedef bool_constant
<true> true_type
;
1620 template <typename T
>
1621 struct is_pointer
: public false_type
{};
1623 template <typename T
>
1624 struct is_pointer
<T
*> : public true_type
{};
1626 template <typename Iterator
>
1627 struct IteratorTraits
{
1628 typedef typename
Iterator::value_type value_type
;
1631 template <typename T
>
1632 struct IteratorTraits
<T
*> {
1633 typedef T value_type
;
1636 template <typename T
>
1637 struct IteratorTraits
<const T
*> {
1638 typedef T value_type
;
1641 #if GTEST_OS_WINDOWS
1642 # define GTEST_PATH_SEP_ "\\"
1643 # define GTEST_HAS_ALT_PATH_SEP_ 1
1644 // The biggest signed integer type the compiler supports.
1645 typedef __int64 BiggestInt
;
1647 # define GTEST_PATH_SEP_ "/"
1648 # define GTEST_HAS_ALT_PATH_SEP_ 0
1649 typedef long long BiggestInt
; // NOLINT
1650 #endif // GTEST_OS_WINDOWS
1652 // Utilities for char.
1654 // isspace(int ch) and friends accept an unsigned char or EOF. char
1655 // may be signed, depending on the compiler (or compiler flags).
1656 // Therefore we need to cast a char to unsigned char before calling
1659 inline bool IsAlpha(char ch
) {
1660 return isalpha(static_cast<unsigned char>(ch
)) != 0;
1662 inline bool IsAlNum(char ch
) {
1663 return isalnum(static_cast<unsigned char>(ch
)) != 0;
1665 inline bool IsDigit(char ch
) {
1666 return isdigit(static_cast<unsigned char>(ch
)) != 0;
1668 inline bool IsLower(char ch
) {
1669 return islower(static_cast<unsigned char>(ch
)) != 0;
1671 inline bool IsSpace(char ch
) {
1672 return isspace(static_cast<unsigned char>(ch
)) != 0;
1674 inline bool IsUpper(char ch
) {
1675 return isupper(static_cast<unsigned char>(ch
)) != 0;
1677 inline bool IsXDigit(char ch
) {
1678 return isxdigit(static_cast<unsigned char>(ch
)) != 0;
1680 inline bool IsXDigit(wchar_t ch
) {
1681 const unsigned char low_byte
= static_cast<unsigned char>(ch
);
1682 return ch
== low_byte
&& isxdigit(low_byte
) != 0;
1685 inline char ToLower(char ch
) {
1686 return static_cast<char>(tolower(static_cast<unsigned char>(ch
)));
1688 inline char ToUpper(char ch
) {
1689 return static_cast<char>(toupper(static_cast<unsigned char>(ch
)));
1692 // The testing::internal::posix namespace holds wrappers for common
1693 // POSIX functions. These wrappers hide the differences between
1694 // Windows/MSVC and POSIX systems. Since some compilers define these
1695 // standard functions as macros, the wrapper cannot have the same name
1696 // as the wrapped function.
1700 // Functions with a different name on Windows.
1702 #if GTEST_OS_WINDOWS
1704 typedef struct _stat StatStruct
;
1706 # ifdef __BORLANDC__
1707 inline int IsATTY(int fd
) { return isatty(fd
); }
1708 inline int StrCaseCmp(const char* s1
, const char* s2
) {
1709 return stricmp(s1
, s2
);
1711 inline char* StrDup(const char* src
) { return strdup(src
); }
1712 # else // !__BORLANDC__
1713 # if GTEST_OS_WINDOWS_MOBILE
1714 inline int IsATTY(int /* fd */) { return 0; }
1716 inline int IsATTY(int fd
) { return _isatty(fd
); }
1717 # endif // GTEST_OS_WINDOWS_MOBILE
1718 inline int StrCaseCmp(const char* s1
, const char* s2
) {
1719 return _stricmp(s1
, s2
);
1721 inline char* StrDup(const char* src
) { return _strdup(src
); }
1722 # endif // __BORLANDC__
1724 # if GTEST_OS_WINDOWS_MOBILE
1725 inline int FileNo(FILE* file
) { return reinterpret_cast<int>(_fileno(file
)); }
1726 // Stat(), RmDir(), and IsDir() are not needed on Windows CE at this
1727 // time and thus not defined there.
1729 inline int FileNo(FILE* file
) { return _fileno(file
); }
1730 inline int Stat(const char* path
, StatStruct
* buf
) { return _stat(path
, buf
); }
1731 inline int RmDir(const char* dir
) { return _rmdir(dir
); }
1732 inline bool IsDir(const StatStruct
& st
) {
1733 return (_S_IFDIR
& st
.st_mode
) != 0;
1735 # endif // GTEST_OS_WINDOWS_MOBILE
1739 typedef struct stat StatStruct
;
1741 inline int FileNo(FILE* file
) { return fileno(file
); }
1742 inline int IsATTY(int fd
) { return isatty(fd
); }
1743 inline int Stat(const char* path
, StatStruct
* buf
) { return stat(path
, buf
); }
1744 inline int StrCaseCmp(const char* s1
, const char* s2
) {
1745 return strcasecmp(s1
, s2
);
1747 inline char* StrDup(const char* src
) { return strdup(src
); }
1748 inline int RmDir(const char* dir
) { return rmdir(dir
); }
1749 inline bool IsDir(const StatStruct
& st
) { return S_ISDIR(st
.st_mode
); }
1751 #endif // GTEST_OS_WINDOWS
1753 // Functions deprecated by MSVC 8.0.
1756 // Temporarily disable warning 4996 (deprecated function).
1757 # pragma warning(push)
1758 # pragma warning(disable:4996)
1761 inline const char* StrNCpy(char* dest
, const char* src
, size_t n
) {
1762 return strncpy(dest
, src
, n
);
1765 // ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and
1766 // StrError() aren't needed on Windows CE at this time and thus not
1769 #if !GTEST_OS_WINDOWS_MOBILE
1770 inline int ChDir(const char* dir
) { return chdir(dir
); }
1772 inline FILE* FOpen(const char* path
, const char* mode
) {
1773 return fopen(path
, mode
);
1775 #if !GTEST_OS_WINDOWS_MOBILE
1776 inline FILE *FReopen(const char* path
, const char* mode
, FILE* stream
) {
1777 return freopen(path
, mode
, stream
);
1779 inline FILE* FDOpen(int fd
, const char* mode
) { return fdopen(fd
, mode
); }
1781 inline int FClose(FILE* fp
) { return fclose(fp
); }
1782 #if !GTEST_OS_WINDOWS_MOBILE
1783 inline int Read(int fd
, void* buf
, unsigned int count
) {
1784 return static_cast<int>(read(fd
, buf
, count
));
1786 inline int Write(int fd
, const void* buf
, unsigned int count
) {
1787 return static_cast<int>(write(fd
, buf
, count
));
1789 inline int Close(int fd
) { return close(fd
); }
1790 inline const char* StrError(int errnum
) { return strerror(errnum
); }
1792 inline const char* GetEnv(const char* name
) {
1793 #if GTEST_OS_WINDOWS_MOBILE
1794 // We are on Windows CE, which has no environment variables.
1796 #elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9)
1797 // Environment variables which we programmatically clear will be set to the
1798 // empty string rather than unset (NULL). Handle that case.
1799 const char* const env
= getenv(name
);
1800 return (env
!= NULL
&& env
[0] != '\0') ? env
: NULL
;
1802 return getenv(name
);
1807 # pragma warning(pop) // Restores the warning state.
1810 #if GTEST_OS_WINDOWS_MOBILE
1811 // Windows CE has no C library. The abort() function is used in
1812 // several places in Google Test. This implementation provides a reasonable
1813 // imitation of standard behaviour.
1816 inline void Abort() { abort(); }
1817 #endif // GTEST_OS_WINDOWS_MOBILE
1819 } // namespace posix
1821 // MSVC "deprecates" snprintf and issues warnings wherever it is used. In
1822 // order to avoid these warnings, we need to use _snprintf or _snprintf_s on
1823 // MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate
1824 // function in order to achieve that. We use macro definition here because
1825 // snprintf is a variadic function.
1826 #if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
1827 // MSVC 2005 and above support variadic macros.
1828 # define GTEST_SNPRINTF_(buffer, size, format, ...) \
1829 _snprintf_s(buffer, size, size, format, __VA_ARGS__)
1830 #elif defined(_MSC_VER)
1831 // Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't
1832 // complain about _snprintf.
1833 # define GTEST_SNPRINTF_ _snprintf
1835 # define GTEST_SNPRINTF_ snprintf
1838 // The maximum number a BiggestInt can represent. This definition
1839 // works no matter BiggestInt is represented in one's complement or
1840 // two's complement.
1842 // We cannot rely on numeric_limits in STL, as __int64 and long long
1843 // are not part of standard C++ and numeric_limits doesn't need to be
1844 // defined for them.
1845 const BiggestInt kMaxBiggestInt
=
1846 ~(static_cast<BiggestInt
>(1) << (8*sizeof(BiggestInt
) - 1));
1848 // This template class serves as a compile-time function from size to
1849 // type. It maps a size in bytes to a primitive type with that
1852 // TypeWithSize<4>::UInt
1854 // is typedef-ed to be unsigned int (unsigned integer made up of 4
1857 // Such functionality should belong to STL, but I cannot find it
1860 // Google Test uses this class in the implementation of floating-point
1863 // For now it only handles UInt (unsigned int) as that's all Google Test
1864 // needs. Other types can be easily added in the future if need
1866 template <size_t size
>
1867 class TypeWithSize
{
1869 // This prevents the user from using TypeWithSize<N> with incorrect
1874 // The specialization for size 4.
1876 class TypeWithSize
<4> {
1878 // unsigned int has size 4 in both gcc and MSVC.
1880 // As base/basictypes.h doesn't compile on Windows, we cannot use
1881 // uint32, uint64, and etc here.
1883 typedef unsigned int UInt
;
1886 // The specialization for size 8.
1888 class TypeWithSize
<8> {
1890 #if GTEST_OS_WINDOWS
1891 typedef __int64 Int
;
1892 typedef unsigned __int64 UInt
;
1894 typedef long long Int
; // NOLINT
1895 typedef unsigned long long UInt
; // NOLINT
1896 #endif // GTEST_OS_WINDOWS
1899 // Integer types of known sizes.
1900 typedef TypeWithSize
<4>::Int Int32
;
1901 typedef TypeWithSize
<4>::UInt UInt32
;
1902 typedef TypeWithSize
<8>::Int Int64
;
1903 typedef TypeWithSize
<8>::UInt UInt64
;
1904 typedef TypeWithSize
<8>::Int TimeInMillis
; // Represents time in milliseconds.
1906 // Utilities for command line flags and environment variables.
1908 // Macro for referencing flags.
1909 #define GTEST_FLAG(name) FLAGS_gtest_##name
1911 // Macros for declaring flags.
1912 #define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name)
1913 #define GTEST_DECLARE_int32_(name) \
1914 GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name)
1915 #define GTEST_DECLARE_string_(name) \
1916 GTEST_API_ extern ::std::string GTEST_FLAG(name)
1918 // Macros for defining flags.
1919 #define GTEST_DEFINE_bool_(name, default_val, doc) \
1920 GTEST_API_ bool GTEST_FLAG(name) = (default_val)
1921 #define GTEST_DEFINE_int32_(name, default_val, doc) \
1922 GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val)
1923 #define GTEST_DEFINE_string_(name, default_val, doc) \
1924 GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val)
1926 // Thread annotations
1927 #define GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks)
1928 #define GTEST_LOCK_EXCLUDED_(locks)
1930 // Parses 'str' for a 32-bit signed integer. If successful, writes the result
1931 // to *value and returns true; otherwise leaves *value unchanged and returns
1933 // TODO(chandlerc): Find a better way to refactor flag and environment parsing
1934 // out of both gtest-port.cc and gtest.cc to avoid exporting this utility
1936 bool ParseInt32(const Message
& src_text
, const char* str
, Int32
* value
);
1938 // Parses a bool/Int32/string from the environment variable
1939 // corresponding to the given Google Test flag.
1940 bool BoolFromGTestEnv(const char* flag
, bool default_val
);
1941 GTEST_API_ Int32
Int32FromGTestEnv(const char* flag
, Int32 default_val
);
1942 const char* StringFromGTestEnv(const char* flag
, const char* default_val
);
1944 } // namespace internal
1945 } // namespace testing
1947 #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_