1d201456903f3ecae1f7794edfab0d5678e64226shiqian// Copyright 2005, Google Inc. 2d201456903f3ecae1f7794edfab0d5678e64226shiqian// All rights reserved. 3d201456903f3ecae1f7794edfab0d5678e64226shiqian// 4d201456903f3ecae1f7794edfab0d5678e64226shiqian// Redistribution and use in source and binary forms, with or without 5d201456903f3ecae1f7794edfab0d5678e64226shiqian// modification, are permitted provided that the following conditions are 6d201456903f3ecae1f7794edfab0d5678e64226shiqian// met: 7d201456903f3ecae1f7794edfab0d5678e64226shiqian// 8d201456903f3ecae1f7794edfab0d5678e64226shiqian// * Redistributions of source code must retain the above copyright 9d201456903f3ecae1f7794edfab0d5678e64226shiqian// notice, this list of conditions and the following disclaimer. 10d201456903f3ecae1f7794edfab0d5678e64226shiqian// * Redistributions in binary form must reproduce the above 11d201456903f3ecae1f7794edfab0d5678e64226shiqian// copyright notice, this list of conditions and the following disclaimer 12d201456903f3ecae1f7794edfab0d5678e64226shiqian// in the documentation and/or other materials provided with the 13d201456903f3ecae1f7794edfab0d5678e64226shiqian// distribution. 14d201456903f3ecae1f7794edfab0d5678e64226shiqian// * Neither the name of Google Inc. nor the names of its 15d201456903f3ecae1f7794edfab0d5678e64226shiqian// contributors may be used to endorse or promote products derived from 16d201456903f3ecae1f7794edfab0d5678e64226shiqian// this software without specific prior written permission. 17d201456903f3ecae1f7794edfab0d5678e64226shiqian// 18d201456903f3ecae1f7794edfab0d5678e64226shiqian// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19d201456903f3ecae1f7794edfab0d5678e64226shiqian// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20d201456903f3ecae1f7794edfab0d5678e64226shiqian// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21d201456903f3ecae1f7794edfab0d5678e64226shiqian// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22d201456903f3ecae1f7794edfab0d5678e64226shiqian// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23d201456903f3ecae1f7794edfab0d5678e64226shiqian// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24d201456903f3ecae1f7794edfab0d5678e64226shiqian// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25d201456903f3ecae1f7794edfab0d5678e64226shiqian// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26d201456903f3ecae1f7794edfab0d5678e64226shiqian// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27d201456903f3ecae1f7794edfab0d5678e64226shiqian// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28d201456903f3ecae1f7794edfab0d5678e64226shiqian// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29d201456903f3ecae1f7794edfab0d5678e64226shiqian// 30d201456903f3ecae1f7794edfab0d5678e64226shiqian// Authors: wan@google.com (Zhanyong Wan) 31d201456903f3ecae1f7794edfab0d5678e64226shiqian// 32d201456903f3ecae1f7794edfab0d5678e64226shiqian// Low-level types and utilities for porting Google Test to various 33d3eb97f32192acf79995983e32a20d8b3afd5872kosak// platforms. All macros ending with _ and symbols defined in an 34d3eb97f32192acf79995983e32a20d8b3afd5872kosak// internal namespace are subject to change without notice. Code 35d3eb97f32192acf79995983e32a20d8b3afd5872kosak// outside Google Test MUST NOT USE THEM DIRECTLY. Macros that don't 36d3eb97f32192acf79995983e32a20d8b3afd5872kosak// end with _ are part of Google Test's public API and can be used by 37d3eb97f32192acf79995983e32a20d8b3afd5872kosak// code outside Google Test. 386a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// 396a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// This file is fundamental to Google Test. All other Google Test source 406a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// files are expected to #include this. Therefore, it cannot #include 416a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// any other Google Test header. 42d201456903f3ecae1f7794edfab0d5678e64226shiqian 43d201456903f3ecae1f7794edfab0d5678e64226shiqian#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 44d201456903f3ecae1f7794edfab0d5678e64226shiqian#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 45d201456903f3ecae1f7794edfab0d5678e64226shiqian 46d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Environment-describing macros 47d3eb97f32192acf79995983e32a20d8b3afd5872kosak// ----------------------------- 48d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 49d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Google Test can be used in many different environments. Macros in 50d3eb97f32192acf79995983e32a20d8b3afd5872kosak// this section tell Google Test what kind of environment it is being 51d3eb97f32192acf79995983e32a20d8b3afd5872kosak// used in, such that Google Test can provide environment-specific 52d3eb97f32192acf79995983e32a20d8b3afd5872kosak// features and implementations. 53d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 54d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Google Test tries to automatically detect the properties of its 55d3eb97f32192acf79995983e32a20d8b3afd5872kosak// environment, so users usually don't need to worry about these 56d3eb97f32192acf79995983e32a20d8b3afd5872kosak// macros. However, the automatic detection is not perfect. 57d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Sometimes it's necessary for a user to define some of the following 58d3eb97f32192acf79995983e32a20d8b3afd5872kosak// macros in the build script to override Google Test's decisions. 59d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 60d3eb97f32192acf79995983e32a20d8b3afd5872kosak// If the user doesn't define a macro in the list, Google Test will 61d3eb97f32192acf79995983e32a20d8b3afd5872kosak// provide a default definition. After this header is #included, all 62d3eb97f32192acf79995983e32a20d8b3afd5872kosak// macros in this list will be defined to either 1 or 0. 63d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 64d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Notes to maintainers: 65d3eb97f32192acf79995983e32a20d8b3afd5872kosak// - Each macro here is a user-tweakable knob; do not grow the list 66d3eb97f32192acf79995983e32a20d8b3afd5872kosak// lightly. 67d3eb97f32192acf79995983e32a20d8b3afd5872kosak// - Use #if to key off these macros. Don't use #ifdef or "#if 68d3eb97f32192acf79995983e32a20d8b3afd5872kosak// defined(...)", which will not work as these macros are ALWAYS 69d3eb97f32192acf79995983e32a20d8b3afd5872kosak// defined. 70d201456903f3ecae1f7794edfab0d5678e64226shiqian// 7104f025dd5746fca83c6c32f1729b3449721dd60eshiqian// GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2) 7204f025dd5746fca83c6c32f1729b3449721dd60eshiqian// is/isn't available. 73cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions 74cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// are enabled. 75d201456903f3ecae1f7794edfab0d5678e64226shiqian// GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string 76d201456903f3ecae1f7794edfab0d5678e64226shiqian// is/isn't available (some systems define 77d201456903f3ecae1f7794edfab0d5678e64226shiqian// ::string, which is different to std::string). 78d201456903f3ecae1f7794edfab0d5678e64226shiqian// GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string 79d201456903f3ecae1f7794edfab0d5678e64226shiqian// is/isn't available (some systems define 80d201456903f3ecae1f7794edfab0d5678e64226shiqian// ::wstring, which is different to std::wstring). 81e96d247b20116646f343b6e2ec37af154f655977vladlosev// GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular 82e96d247b20116646f343b6e2ec37af154f655977vladlosev// expressions are/aren't available. 83e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> 84e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// is/isn't available. 8504f025dd5746fca83c6c32f1729b3449721dd60eshiqian// GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't 8604f025dd5746fca83c6c32f1729b3449721dd60eshiqian// enabled. 8704f025dd5746fca83c6c32f1729b3449721dd60eshiqian// GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that 8804f025dd5746fca83c6c32f1729b3449721dd60eshiqian// std::wstring does/doesn't work (Google Test can 8904f025dd5746fca83c6c32f1729b3449721dd60eshiqian// be used where std::wstring is unavailable). 90532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple 913d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev// is/isn't available. 92f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// GTEST_HAS_SEH - Define it to 1/0 to indicate whether the 93f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// compiler supports Microsoft's "Structured 94f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// Exception Handling". 9535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// GTEST_HAS_STREAM_REDIRECTION 9635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// - Define it to 1/0 to indicate whether the 9735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// platform supports I/O stream redirection using 9835c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// dup() and dup2(). 99532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google 100532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// Test's own tr1 tuple implementation should be 101532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// used. Unused when the user sets 102532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// GTEST_HAS_TR1_TUPLE to 0. 1032147489625ea8071ca560462f19b1ceb8940a229vladlosev// GTEST_LANG_CXX11 - Define it to 1/0 to indicate that Google Test 1042147489625ea8071ca560462f19b1ceb8940a229vladlosev// is building in C++11/C++98 mode. 10583589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// GTEST_LINKED_AS_SHARED_LIBRARY 10683589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// - Define to 1 when compiling tests that use 10783589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// Google Test as a shared library (known as 10883589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// DLL on Windows). 10983589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// GTEST_CREATE_SHARED_LIBRARY 11083589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// - Define to 1 when compiling Google Test itself 11183589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan// as a shared library. 112d201456903f3ecae1f7794edfab0d5678e64226shiqian 113d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Platform-indicating macros 114d3eb97f32192acf79995983e32a20d8b3afd5872kosak// -------------------------- 115d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 116d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Macros indicating the platform on which Google Test is being used 117d3eb97f32192acf79995983e32a20d8b3afd5872kosak// (a macro is defined to 1 if compiled on the given platform; 118d3eb97f32192acf79995983e32a20d8b3afd5872kosak// otherwise UNDEFINED -- it's never defined to 0.). Google Test 119d3eb97f32192acf79995983e32a20d8b3afd5872kosak// defines these macros automatically. Code outside Google Test MUST 120d3eb97f32192acf79995983e32a20d8b3afd5872kosak// NOT define them. 121d201456903f3ecae1f7794edfab0d5678e64226shiqian// 12206d04c0945bf47bae90532552e6e8294802fc9aavladlosev// GTEST_OS_AIX - IBM AIX 1230af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_CYGWIN - Cygwin 124b215e30cadd11db7c9f378b57ffecce92aacce37kosak// GTEST_OS_FREEBSD - FreeBSD 125741d6c0d475664fc48790917cefed455a4307227zhanyong.wan// GTEST_OS_HPUX - HP-UX 1260af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_LINUX - Linux 1275017fe0090e8902d028ba38753c00d73f16d83f0zhanyong.wan// GTEST_OS_LINUX_ANDROID - Google Android 1280af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_MAC - Mac OS X 129a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm// GTEST_OS_IOS - iOS 13042bf979ce7c107bfc214758e4a511232dd9b2e0avladlosev// GTEST_OS_NACL - Google Native Client (NaCl) 131814a5e9310bbc8aeb0b985c1dcb66496835bf73avladlosev// GTEST_OS_OPENBSD - OpenBSD 132386da2037dc7b1d063ac43bf146889b1edcafe7evladlosev// GTEST_OS_QNX - QNX 1330af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_SOLARIS - Sun Solaris 1340af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_SYMBIAN - Symbian 135b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan// GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile) 136b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan// GTEST_OS_WINDOWS_DESKTOP - Windows Desktop 137b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan// GTEST_OS_WINDOWS_MINGW - MinGW 13881e1cc73c83265e54b2ec7edc17e77f4d1b89e86zhanyong.wan// GTEST_OS_WINDOWS_MOBILE - Windows Mobile 1398120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_OS_WINDOWS_PHONE - Windows Phone 1408120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_OS_WINDOWS_RT - Windows Store App/WinRT 1410af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_OS_ZOS - z/OS 142d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// 143b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the 144b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// most stable support. Since core members of the Google Test project 145b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// don't have access to other platforms, support for them may be less 146b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// stable. If you notice any problems on your platform, please notify 147b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// googletestframework@googlegroups.com (patches for fixing them are 148b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// even more welcome!). 149b6a296d0f7caff7140f422e49f5398c9ef17504dshiqian// 150d3eb97f32192acf79995983e32a20d8b3afd5872kosak// It is possible that none of the GTEST_OS_* macros are defined. 151d3eb97f32192acf79995983e32a20d8b3afd5872kosak 152d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Feature-indicating macros 153d3eb97f32192acf79995983e32a20d8b3afd5872kosak// ------------------------- 154d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 155d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Macros indicating which Google Test features are available (a macro 156d3eb97f32192acf79995983e32a20d8b3afd5872kosak// is defined to 1 if the corresponding feature is supported; 157d3eb97f32192acf79995983e32a20d8b3afd5872kosak// otherwise UNDEFINED -- it's never defined to 0.). Google Test 158d3eb97f32192acf79995983e32a20d8b3afd5872kosak// defines these macros automatically. Code outside Google Test MUST 159d3eb97f32192acf79995983e32a20d8b3afd5872kosak// NOT define them. 160d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 161d3eb97f32192acf79995983e32a20d8b3afd5872kosak// These macros are public so that portable tests can be written. 162d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Such tests typically surround code using a feature with an #if 163d3eb97f32192acf79995983e32a20d8b3afd5872kosak// which controls that code. For example: 164d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 165d3eb97f32192acf79995983e32a20d8b3afd5872kosak// #if GTEST_HAS_DEATH_TEST 166d3eb97f32192acf79995983e32a20d8b3afd5872kosak// EXPECT_DEATH(DoSomethingDeadly()); 167d3eb97f32192acf79995983e32a20d8b3afd5872kosak// #endif 168d201456903f3ecae1f7794edfab0d5678e64226shiqian// 1690af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_HAS_COMBINE - the Combine() function (for value-parameterized 1700af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// tests) 1710af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_HAS_DEATH_TEST - death tests 1720af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_HAS_PARAM_TEST - value-parameterized tests 1730af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_HAS_TYPED_TEST - typed tests 1740af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_HAS_TYPED_TEST_P - type-parameterized tests 175d3eb97f32192acf79995983e32a20d8b3afd5872kosak// GTEST_IS_THREADSAFE - Google Test is thread-safe. 176e96d247b20116646f343b6e2ec37af154f655977vladlosev// GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with 177e96d247b20116646f343b6e2ec37af154f655977vladlosev// GTEST_HAS_POSIX_RE (see above) which users can 178e96d247b20116646f343b6e2ec37af154f655977vladlosev// define themselves. 1790af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan// GTEST_USES_SIMPLE_RE - our own simple regex is used; 180c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan// the above two are mutually exclusive. 18106d04c0945bf47bae90532552e6e8294802fc9aavladlosev// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). 182d3eb97f32192acf79995983e32a20d8b3afd5872kosak 183d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Misc public macros 184d3eb97f32192acf79995983e32a20d8b3afd5872kosak// ------------------ 185d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 186d3eb97f32192acf79995983e32a20d8b3afd5872kosak// GTEST_FLAG(flag_name) - references the variable corresponding to 187d3eb97f32192acf79995983e32a20d8b3afd5872kosak// the given Google Test flag. 188d3eb97f32192acf79995983e32a20d8b3afd5872kosak 189d3eb97f32192acf79995983e32a20d8b3afd5872kosak// Internal utilities 190d3eb97f32192acf79995983e32a20d8b3afd5872kosak// ------------------ 191d3eb97f32192acf79995983e32a20d8b3afd5872kosak// 192d3eb97f32192acf79995983e32a20d8b3afd5872kosak// The following macros and utilities are for Google Test's INTERNAL 193d3eb97f32192acf79995983e32a20d8b3afd5872kosak// use only. Code outside Google Test MUST NOT USE THEM DIRECTLY. 194d201456903f3ecae1f7794edfab0d5678e64226shiqian// 195d201456903f3ecae1f7794edfab0d5678e64226shiqian// Macros for basic C++ coding: 196e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning. 1970da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a 1980da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// variable don't have to be used. 1997b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan// GTEST_DISALLOW_ASSIGN_ - disables operator=. 200e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=. 201e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// GTEST_MUST_USE_RESULT_ - declares that a function's result must be used. 20241a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// GTEST_INTENTIONAL_CONST_COND_PUSH_ - start code section where MSVC C4127 is 20341a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// suppressed (constant conditional). 20441a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// GTEST_INTENTIONAL_CONST_COND_POP_ - finish code section where MSVC C4127 20541a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// is suppressed. 206d201456903f3ecae1f7794edfab0d5678e64226shiqian// 20735956659eaaafd4b356acfbabcb48c183d957ff4kosak// C++11 feature wrappers: 20835956659eaaafd4b356acfbabcb48c183d957ff4kosak// 209d3d142ef1cc4956307d3a248e52b9f826f305048kosak// testing::internal::move - portability wrapper for std::move. 21035956659eaaafd4b356acfbabcb48c183d957ff4kosak// 211d201456903f3ecae1f7794edfab0d5678e64226shiqian// Synchronization: 212d201456903f3ecae1f7794edfab0d5678e64226shiqian// Mutex, MutexLock, ThreadLocal, GetThreadCount() 213d3eb97f32192acf79995983e32a20d8b3afd5872kosak// - synchronization primitives. 214d201456903f3ecae1f7794edfab0d5678e64226shiqian// 215d201456903f3ecae1f7794edfab0d5678e64226shiqian// Template meta programming: 216d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. 217fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan// IteratorTraits - partial implementation of std::iterator_traits, which 218fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan// is not available in libCstd when compiled with Sun C++. 219d201456903f3ecae1f7794edfab0d5678e64226shiqian// 220d201456903f3ecae1f7794edfab0d5678e64226shiqian// Smart pointers: 221d201456903f3ecae1f7794edfab0d5678e64226shiqian// scoped_ptr - as in TR2. 222d201456903f3ecae1f7794edfab0d5678e64226shiqian// 223d201456903f3ecae1f7794edfab0d5678e64226shiqian// Regular expressions: 224d201456903f3ecae1f7794edfab0d5678e64226shiqian// RE - a simple regular expression class using the POSIX 22535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// Extended Regular Expression syntax on UNIX-like 22635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// platforms, or a reduced regular exception syntax on 22735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// other platforms, including Windows. 228d201456903f3ecae1f7794edfab0d5678e64226shiqian// 229d201456903f3ecae1f7794edfab0d5678e64226shiqian// Logging: 230e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// GTEST_LOG_() - logs messages at the specified severity level. 231d201456903f3ecae1f7794edfab0d5678e64226shiqian// LogToStderr() - directs all log messages to stderr. 232d201456903f3ecae1f7794edfab0d5678e64226shiqian// FlushInfoLog() - flushes informational log messages. 233d201456903f3ecae1f7794edfab0d5678e64226shiqian// 234fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// Stdout and stderr capturing: 235fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// CaptureStdout() - starts capturing stdout. 236fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// GetCapturedStdout() - stops capturing stdout and returns the captured 237fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// string. 238d201456903f3ecae1f7794edfab0d5678e64226shiqian// CaptureStderr() - starts capturing stderr. 239d201456903f3ecae1f7794edfab0d5678e64226shiqian// GetCapturedStderr() - stops capturing stderr and returns the captured 240d201456903f3ecae1f7794edfab0d5678e64226shiqian// string. 241d201456903f3ecae1f7794edfab0d5678e64226shiqian// 242d201456903f3ecae1f7794edfab0d5678e64226shiqian// Integer types: 243d201456903f3ecae1f7794edfab0d5678e64226shiqian// TypeWithSize - maps an integer to a int type. 244d201456903f3ecae1f7794edfab0d5678e64226shiqian// Int32, UInt32, Int64, UInt64, TimeInMillis 245d201456903f3ecae1f7794edfab0d5678e64226shiqian// - integers of known sizes. 246d201456903f3ecae1f7794edfab0d5678e64226shiqian// BiggestInt - the biggest signed integer type. 247d201456903f3ecae1f7794edfab0d5678e64226shiqian// 248d201456903f3ecae1f7794edfab0d5678e64226shiqian// Command-line utilities: 249d201456903f3ecae1f7794edfab0d5678e64226shiqian// GTEST_DECLARE_*() - declares a flag. 250d201456903f3ecae1f7794edfab0d5678e64226shiqian// GTEST_DEFINE_*() - defines a flag. 25169a40b7d4ab4171cbe4ef920e7a5171109e2064cvladlosev// GetInjectableArgvs() - returns the command line as a vector of strings. 252d201456903f3ecae1f7794edfab0d5678e64226shiqian// 253d201456903f3ecae1f7794edfab0d5678e64226shiqian// Environment variable utilities: 254d201456903f3ecae1f7794edfab0d5678e64226shiqian// GetEnv() - gets the value of an environment variable. 255d201456903f3ecae1f7794edfab0d5678e64226shiqian// BoolFromGTestEnv() - parses a bool environment variable. 256d201456903f3ecae1f7794edfab0d5678e64226shiqian// Int32FromGTestEnv() - parses an Int32 environment variable. 257d201456903f3ecae1f7794edfab0d5678e64226shiqian// StringFromGTestEnv() - parses a string environment variable. 258d201456903f3ecae1f7794edfab0d5678e64226shiqian 25935c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#include <ctype.h> // for isspace, etc 26035c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#include <stddef.h> // for ptrdiff_t 261d201456903f3ecae1f7794edfab0d5678e64226shiqian#include <stdlib.h> 262d201456903f3ecae1f7794edfab0d5678e64226shiqian#include <stdio.h> 2633c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#include <string.h> 2644853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan#ifndef _WIN32_WCE 265ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <sys/types.h> 266ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <sys/stat.h> 2674853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan#endif // !_WIN32_WCE 2683c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 269a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm#if defined __APPLE__ 270a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm# include <AvailabilityMacros.h> 271a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm# include <TargetConditionals.h> 272a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm#endif 273a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm 2748120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#include <algorithm> // NOLINT 2753c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#include <iostream> // NOLINT 2767b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan#include <sstream> // NOLINT 2777b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan#include <string> // NOLINT 27835956659eaaafd4b356acfbabcb48c183d957ff4kosak#include <utility> 279f972f1680aa5de3230dac197b223336f30210f69kosak#include <vector> // NOLINT 280d201456903f3ecae1f7794edfab0d5678e64226shiqian 281156d1b513b90deca6287c737e3e6453dc7f64d35kosak#include "gtest/internal/gtest-port-arch.h" 282156d1b513b90deca6287c737e3e6453dc7f64d35kosak#include "gtest/internal/custom/gtest-port.h" 283156d1b513b90deca6287c737e3e6453dc7f64d35kosak 284156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_DEV_EMAIL_) 285156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com" 286156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_FLAG_PREFIX_ "gtest_" 287156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_FLAG_PREFIX_DASH_ "gtest-" 288156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_FLAG_PREFIX_UPPER_ "GTEST_" 289156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_NAME_ "Google Test" 290ac35fe7359846a255cb2129b94e0c99df87e52e4Dawid Kurek# define GTEST_PROJECT_URL_ "https://github.com/google/googletest/" 291156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_DEV_EMAIL_) 292d201456903f3ecae1f7794edfab0d5678e64226shiqian 293f487e9510be94c70f08485887a16b48d756bf38fkosak#if !defined(GTEST_INIT_GOOGLE_TEST_NAME_) 294f487e9510be94c70f08485887a16b48d756bf38fkosak# define GTEST_INIT_GOOGLE_TEST_NAME_ "testing::InitGoogleTest" 295f487e9510be94c70f08485887a16b48d756bf38fkosak#endif // !defined(GTEST_INIT_GOOGLE_TEST_NAME_) 296f487e9510be94c70f08485887a16b48d756bf38fkosak 29764cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// Determines the version of gcc that is used to compile this. 29864cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#ifdef __GNUC__ 29964cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// 40302 means version 4.3.2. 300ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_GCC_VER_ \ 30164cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) 30264cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#endif // __GNUC__ 30364cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 3048120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// Macros for disabling Microsoft Visual C++ warnings. 3058120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// 3068120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 4385) 3078120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// /* code that triggers warnings C4800 and C4385 */ 3088120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_DISABLE_MSC_WARNINGS_POP_() 3098120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#if _MSC_VER >= 1500 3108120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) \ 3118120f66c3249e253f03fdb48bee7e528bc038d31billydonahue __pragma(warning(push)) \ 3128120f66c3249e253f03fdb48bee7e528bc038d31billydonahue __pragma(warning(disable: warnings)) 3138120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_DISABLE_MSC_WARNINGS_POP_() \ 3148120f66c3249e253f03fdb48bee7e528bc038d31billydonahue __pragma(warning(pop)) 3158120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#else 3168120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// Older versions of MSVC don't have __pragma. 3178120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) 3188120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_DISABLE_MSC_WARNINGS_POP_() 3198120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#endif 3208120f66c3249e253f03fdb48bee7e528bc038d31billydonahue 3212147489625ea8071ca560462f19b1ceb8940a229vladlosev#ifndef GTEST_LANG_CXX11 3222147489625ea8071ca560462f19b1ceb8940a229vladlosev// gcc and clang define __GXX_EXPERIMENTAL_CXX0X__ when 3232147489625ea8071ca560462f19b1ceb8940a229vladlosev// -std={c,gnu}++{0x,11} is passed. The C++11 standard specifies a 3242147489625ea8071ca560462f19b1ceb8940a229vladlosev// value for __cplusplus, and recent versions of clang, gcc, and 3252147489625ea8071ca560462f19b1ceb8940a229vladlosev// probably other compilers set that too in C++11 mode. 3262147489625ea8071ca560462f19b1ceb8940a229vladlosev# if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus >= 201103L 3272147489625ea8071ca560462f19b1ceb8940a229vladlosev// Compiling in at least C++11 mode. 3282147489625ea8071ca560462f19b1ceb8940a229vladlosev# define GTEST_LANG_CXX11 1 3292147489625ea8071ca560462f19b1ceb8940a229vladlosev# else 3302147489625ea8071ca560462f19b1ceb8940a229vladlosev# define GTEST_LANG_CXX11 0 3312147489625ea8071ca560462f19b1ceb8940a229vladlosev# endif 3322147489625ea8071ca560462f19b1ceb8940a229vladlosev#endif 3332147489625ea8071ca560462f19b1ceb8940a229vladlosev 3346aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// Distinct from C++11 language support, some environments don't provide 3356aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// proper C++11 library support. Notably, it's possible to build in 3366aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// C++11 mode when targeting Mac OS X 10.6, which has an old libstdc++ 3376aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// with no C++11 support. 3386aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// 3396aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// libstdc++ has sufficient C++11 support as of GCC 4.6.0, __GLIBCXX__ 3406aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// 20110325, but maintenance releases in the 4.4 and 4.5 series followed 3416aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// this date, so check for those versions by their date stamps. 3426aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html#abi.versioning 3436aa0422e8529d76385b64f0a826f5ffd353fd37bkosak#if GTEST_LANG_CXX11 && \ 3446aa0422e8529d76385b64f0a826f5ffd353fd37bkosak (!defined(__GLIBCXX__) || ( \ 3456aa0422e8529d76385b64f0a826f5ffd353fd37bkosak __GLIBCXX__ >= 20110325ul && /* GCC >= 4.6.0 */ \ 3466aa0422e8529d76385b64f0a826f5ffd353fd37bkosak /* Blacklist of patch releases of older branches: */ \ 3476aa0422e8529d76385b64f0a826f5ffd353fd37bkosak __GLIBCXX__ != 20110416ul && /* GCC 4.4.6 */ \ 3486aa0422e8529d76385b64f0a826f5ffd353fd37bkosak __GLIBCXX__ != 20120313ul && /* GCC 4.4.7 */ \ 3496aa0422e8529d76385b64f0a826f5ffd353fd37bkosak __GLIBCXX__ != 20110428ul && /* GCC 4.5.3 */ \ 3506aa0422e8529d76385b64f0a826f5ffd353fd37bkosak __GLIBCXX__ != 20120702ul)) /* GCC 4.5.4 */ 3516aa0422e8529d76385b64f0a826f5ffd353fd37bkosak# define GTEST_STDLIB_CXX11 1 3526aa0422e8529d76385b64f0a826f5ffd353fd37bkosak#endif 3536aa0422e8529d76385b64f0a826f5ffd353fd37bkosak 3546aa0422e8529d76385b64f0a826f5ffd353fd37bkosak// Only use C++11 library features if the library provides them. 3556aa0422e8529d76385b64f0a826f5ffd353fd37bkosak#if GTEST_STDLIB_CXX11 3566aa0422e8529d76385b64f0a826f5ffd353fd37bkosak# define GTEST_HAS_STD_BEGIN_AND_END_ 1 3576aa0422e8529d76385b64f0a826f5ffd353fd37bkosak# define GTEST_HAS_STD_FORWARD_LIST_ 1 3586aa0422e8529d76385b64f0a826f5ffd353fd37bkosak# define GTEST_HAS_STD_FUNCTION_ 1 3594f7018ed61966eafae2095ada227075e1ea6377ckosak# define GTEST_HAS_STD_INITIALIZER_LIST_ 1 3606aa0422e8529d76385b64f0a826f5ffd353fd37bkosak# define GTEST_HAS_STD_MOVE_ 1 361f253efc20ec05216eda902a6fb0628c2f5164757kosak# define GTEST_HAS_STD_SHARED_PTR_ 1 362a0435dc6879c336ab29afd64c380995055d2cd53Mark Mentovai# define GTEST_HAS_STD_TYPE_TRAITS_ 1 363a0435dc6879c336ab29afd64c380995055d2cd53Mark Mentovai# define GTEST_HAS_STD_UNIQUE_PTR_ 1 3644f7018ed61966eafae2095ada227075e1ea6377ckosak#endif 3654f7018ed61966eafae2095ada227075e1ea6377ckosak 366ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// C++11 specifies that <tuple> provides std::tuple. 367ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// Some platforms still might not have it, however. 368ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak#if GTEST_LANG_CXX11 369ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# define GTEST_HAS_STD_TUPLE_ 1 370ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# if defined(__clang__) 371ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// Inspired by http://clang.llvm.org/docs/LanguageExtensions.html#__has_include 372ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# if defined(__has_include) && !__has_include(<tuple>) 373ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# undef GTEST_HAS_STD_TUPLE_ 374ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# endif 375ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# elif defined(_MSC_VER) 376ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// Inspired by boost/config/stdlib/dinkumware.hpp 377ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# if defined(_CPPLIB_VER) && _CPPLIB_VER < 520 378ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# undef GTEST_HAS_STD_TUPLE_ 379ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# endif 380ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# elif defined(__GLIBCXX__) 381ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// Inspired by boost/config/stdlib/libstdcpp3.hpp, 382ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// http://gcc.gnu.org/gcc-4.2/changes.html and 383ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak// http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#manual.intro.status.standard.200x 384ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) 385ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# undef GTEST_HAS_STD_TUPLE_ 386ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# endif 387ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak# endif 388ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak#endif 389ccf8e33bc59a26745753d494b2535a5f0a97acc5kosak 390e96d247b20116646f343b6e2ec37af154f655977vladlosev// Brings in definitions for functions used in the testing::internal::posix 391e96d247b20116646f343b6e2ec37af154f655977vladlosev// namespace (read, write, close, chdir, isatty, stat). We do not currently 392e96d247b20116646f343b6e2ec37af154f655977vladlosev// use them on Windows Mobile. 393a6340420b9cee27f77c5b91bea807121914a5831kosak#if GTEST_OS_WINDOWS 394a6340420b9cee27f77c5b91bea807121914a5831kosak# if !GTEST_OS_WINDOWS_MOBILE 395a6340420b9cee27f77c5b91bea807121914a5831kosak# include <direct.h> 396a6340420b9cee27f77c5b91bea807121914a5831kosak# include <io.h> 397a6340420b9cee27f77c5b91bea807121914a5831kosak# endif 398a6340420b9cee27f77c5b91bea807121914a5831kosak// In order to avoid having to include <windows.h>, use forward declaration 399a6340420b9cee27f77c5b91bea807121914a5831kosak// assuming CRITICAL_SECTION is a typedef of _RTL_CRITICAL_SECTION. 400a6340420b9cee27f77c5b91bea807121914a5831kosak// This assumption is verified by 401a6340420b9cee27f77c5b91bea807121914a5831kosak// WindowsTypesTest.CRITICAL_SECTIONIs_RTL_CRITICAL_SECTION. 402a6340420b9cee27f77c5b91bea807121914a5831kosakstruct _RTL_CRITICAL_SECTION; 403a6340420b9cee27f77c5b91bea807121914a5831kosak#else 404e96d247b20116646f343b6e2ec37af154f655977vladlosev// This assumes that non-Windows OSes provide unistd.h. For OSes where this 405e96d247b20116646f343b6e2ec37af154f655977vladlosev// is not the case, we need to include headers that provide the functions 406e96d247b20116646f343b6e2ec37af154f655977vladlosev// mentioned above. 407ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <unistd.h> 4082147489625ea8071ca560462f19b1ceb8940a229vladlosev# include <strings.h> 409a6340420b9cee27f77c5b91bea807121914a5831kosak#endif // GTEST_OS_WINDOWS 410e96d247b20116646f343b6e2ec37af154f655977vladlosev 41178bf6d5724e733cce313228856e18d5c372b4fb3vladlosev#if GTEST_OS_LINUX_ANDROID 41278bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// Used to define __ANDROID_API__ matching the target NDK API level. 41378bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# include <android/api-level.h> // NOLINT 41478bf6d5724e733cce313228856e18d5c372b4fb3vladlosev#endif 41578bf6d5724e733cce313228856e18d5c372b4fb3vladlosev 416e96d247b20116646f343b6e2ec37af154f655977vladlosev// Defines this to true iff Google Test can use POSIX regular expressions. 417e96d247b20116646f343b6e2ec37af154f655977vladlosev#ifndef GTEST_HAS_POSIX_RE 41878bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# if GTEST_OS_LINUX_ANDROID 41978bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// On Android, <regex.h> is only available starting with Gingerbread. 42078bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_POSIX_RE (__ANDROID_API__ >= 9) 42178bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# else 42278bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS) 42378bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# endif 424e96d247b20116646f343b6e2ec37af154f655977vladlosev#endif 425e96d247b20116646f343b6e2ec37af154f655977vladlosev 426156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if GTEST_USES_PCRE 427156d1b513b90deca6287c737e3e6453dc7f64d35kosak// The appropriate headers have already been included. 428156d1b513b90deca6287c737e3e6453dc7f64d35kosak 429156d1b513b90deca6287c737e3e6453dc7f64d35kosak#elif GTEST_HAS_POSIX_RE 430c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan 431c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan// On some platforms, <regex.h> needs someone to define size_t, and 432c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan// won't compile otherwise. We can #include it here as we already 433c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan// included <stdlib.h>, which is guaranteed to define size_t through 434c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan// <stddef.h>. 435ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <regex.h> // NOLINT 4363c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 437ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_USES_POSIX_RE 1 438c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan 4393c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#elif GTEST_OS_WINDOWS 4403c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 4413c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// <regex.h> is not available on Windows. Use our own simple regex 4423c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// implementation instead. 443ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_USES_SIMPLE_RE 1 4443c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 445c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan#else 446c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan 4474984c93490eeeb7d3d1979b30a39a21cad07cba5zhanyong.wan// <regex.h> may not be available on this platform. Use our own 4484984c93490eeeb7d3d1979b30a39a21cad07cba5zhanyong.wan// simple regex implementation instead. 449ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_USES_SIMPLE_RE 1 450c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan 451156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // GTEST_USES_PCRE 452c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan 453cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev#ifndef GTEST_HAS_EXCEPTIONS 454cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// The user didn't tell us whether exceptions are enabled, so we need 455cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// to figure it out. 456ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if defined(_MSC_VER) || defined(__BORLANDC__) 457c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan// MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS 458c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan// macro to enable exceptions, so we'll do the same. 459d201456903f3ecae1f7794edfab0d5678e64226shiqian// Assumes that exceptions are enabled by default. 460ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifndef _HAS_EXCEPTIONS 461ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define _HAS_EXCEPTIONS 1 462ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // _HAS_EXCEPTIONS 463ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS 4647489581db8ea450d22f64e9a7a824e275fa605a0kosak# elif defined(__clang__) 46583602c834044185eb6ebc67d4c6c474f3593830akosak// clang defines __EXCEPTIONS iff exceptions are enabled before clang 220714, 46683602c834044185eb6ebc67d4c6c474f3593830akosak// but iff cleanups are enabled after that. In Obj-C++ files, there can be 46783602c834044185eb6ebc67d4c6c474f3593830akosak// cleanups for ObjC exceptions which also need cleanups, even if C++ exceptions 46883602c834044185eb6ebc67d4c6c474f3593830akosak// are disabled. clang has __has_feature(cxx_exceptions) which checks for C++ 46983602c834044185eb6ebc67d4c6c474f3593830akosak// exceptions starting at clang r206352, but which checked for cleanups prior to 47083602c834044185eb6ebc67d4c6c474f3593830akosak// that. To reliably check for C++ exception availability with clang, check for 47183602c834044185eb6ebc67d4c6c474f3593830akosak// __EXCEPTIONS && __has_feature(cxx_exceptions). 472b215e30cadd11db7c9f378b57ffecce92aacce37kosak# define GTEST_HAS_EXCEPTIONS (__EXCEPTIONS && __has_feature(cxx_exceptions)) 473ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__GNUC__) && __EXCEPTIONS 474cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. 475ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_EXCEPTIONS 1 476ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__SUNPRO_CC) 477cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// Sun Pro CC supports exceptions. However, there is no compile-time way of 478cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// detecting whether they are enabled or not. Therefore, we assume that 479cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// they are enabled unless the user tells us otherwise. 480ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_EXCEPTIONS 1 481ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__IBMCPP__) && __EXCEPTIONS 48206d04c0945bf47bae90532552e6e8294802fc9aavladlosev// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled. 483ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_EXCEPTIONS 1 484741d6c0d475664fc48790917cefed455a4307227zhanyong.wan# elif defined(__HP_aCC) 485741d6c0d475664fc48790917cefed455a4307227zhanyong.wan// Exception handling is in effect by default in HP aCC compiler. It has to 486741d6c0d475664fc48790917cefed455a4307227zhanyong.wan// be turned of by +noeh compiler option if desired. 487741d6c0d475664fc48790917cefed455a4307227zhanyong.wan# define GTEST_HAS_EXCEPTIONS 1 488ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 489cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// For other compilers, we assume exceptions are disabled to be 490cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev// conservative. 491ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_EXCEPTIONS 0 492ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // defined(_MSC_VER) || defined(__BORLANDC__) 493cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev#endif // GTEST_HAS_EXCEPTIONS 494d201456903f3ecae1f7794edfab0d5678e64226shiqian 49588e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan#if !defined(GTEST_HAS_STD_STRING) 49688e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// Even though we don't use this macro any longer, we keep it in case 49788e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// some clients still depend on it. 498ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_STD_STRING 1 49988e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan#elif !GTEST_HAS_STD_STRING 50088e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// The user told us that ::std::string isn't available. 501ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# error "Google Test cannot be used where ::std::string isn't available." 50288e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan#endif // !defined(GTEST_HAS_STD_STRING) 503d201456903f3ecae1f7794edfab0d5678e64226shiqian 504d201456903f3ecae1f7794edfab0d5678e64226shiqian#ifndef GTEST_HAS_GLOBAL_STRING 505d201456903f3ecae1f7794edfab0d5678e64226shiqian// The user didn't tell us whether ::string is available, so we need 506d201456903f3ecae1f7794edfab0d5678e64226shiqian// to figure it out. 507d201456903f3ecae1f7794edfab0d5678e64226shiqian 508ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_GLOBAL_STRING 0 509d201456903f3ecae1f7794edfab0d5678e64226shiqian 510d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_GLOBAL_STRING 511d201456903f3ecae1f7794edfab0d5678e64226shiqian 512d201456903f3ecae1f7794edfab0d5678e64226shiqian#ifndef GTEST_HAS_STD_WSTRING 513d201456903f3ecae1f7794edfab0d5678e64226shiqian// The user didn't tell us whether ::std::wstring is available, so we need 514d201456903f3ecae1f7794edfab0d5678e64226shiqian// to figure it out. 515d201456903f3ecae1f7794edfab0d5678e64226shiqian// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring 516d201456903f3ecae1f7794edfab0d5678e64226shiqian// is available. 517d201456903f3ecae1f7794edfab0d5678e64226shiqian 518e96d247b20116646f343b6e2ec37af154f655977vladlosev// Cygwin 1.7 and below doesn't support ::std::wstring. 5195017fe0090e8902d028ba38753c00d73f16d83f0zhanyong.wan// Solaris' libc++ doesn't support it either. Android has 5205017fe0090e8902d028ba38753c00d73f16d83f0zhanyong.wan// no support for it at least as recent as Froyo (2.2). 5215017fe0090e8902d028ba38753c00d73f16d83f0zhanyong.wan# define GTEST_HAS_STD_WSTRING \ 5225017fe0090e8902d028ba38753c00d73f16d83f0zhanyong.wan (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) 523d201456903f3ecae1f7794edfab0d5678e64226shiqian 524d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_STD_WSTRING 525d201456903f3ecae1f7794edfab0d5678e64226shiqian 526d201456903f3ecae1f7794edfab0d5678e64226shiqian#ifndef GTEST_HAS_GLOBAL_WSTRING 527d201456903f3ecae1f7794edfab0d5678e64226shiqian// The user didn't tell us whether ::wstring is available, so we need 528d201456903f3ecae1f7794edfab0d5678e64226shiqian// to figure it out. 529ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_GLOBAL_WSTRING \ 530bbab12725025270beb12cb62a73b9cfc33bdec85zhanyong.wan (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) 531d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_GLOBAL_WSTRING 532d201456903f3ecae1f7794edfab0d5678e64226shiqian 53364cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// Determines whether RTTI is available. 53464cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#ifndef GTEST_HAS_RTTI 53564cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// The user didn't tell us whether RTTI is enabled, so we need to 53664cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// figure it out. 53764cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 538ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef _MSC_VER 53964cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 540ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. 541ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 1 542ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 543ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 0 544ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif 54564cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 54664cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. 547ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) 5483569c3c86d520bd04ea806f84c9cb5aad0615fdfzhanyong.wan 549ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef __GXX_RTTI 55078bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// When building against STLport with the Android NDK and with 55178bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// -frtti -fno-exceptions, the build fails at link time with undefined 55278bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// references to __cxa_bad_typeid. Note sure if STL or toolchain bug, 55378bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// so disable RTTI when detected. 55478bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) && \ 55578bf6d5724e733cce313228856e18d5c372b4fb3vladlosev !defined(__EXCEPTIONS) 55678bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_RTTI 0 55778bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# else 55878bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_RTTI 1 55978bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# endif // GTEST_OS_LINUX_ANDROID && __STLPORT_MAJOR && !__EXCEPTIONS 560ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 561ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 0 562ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // __GXX_RTTI 56364cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 564cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev// Clang defines __GXX_RTTI starting with version 3.0, but its manual recommends 565cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev// using has_feature instead. has_feature(cxx_rtti) is supported since 2.7, the 566cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev// first version with C++ support. 567cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev# elif defined(__clang__) 568cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev 569cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev# define GTEST_HAS_RTTI __has_feature(cxx_rtti) 570cdb24f86d56e5a3ff84b6f1fa71e0b33f22d9152vladlosev 5713569c3c86d520bd04ea806f84c9cb5aad0615fdfzhanyong.wan// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if 5723569c3c86d520bd04ea806f84c9cb5aad0615fdfzhanyong.wan// both the typeid and dynamic_cast features are present. 573ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__IBMCPP__) && (__IBMCPP__ >= 900) 5742346d25784279f0eb6dfcd4e9ab28ae572baea07zhanyong.wan 575ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef __RTTI_ALL__ 576ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 1 577ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 578ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 0 579ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif 5802346d25784279f0eb6dfcd4e9ab28ae572baea07zhanyong.wan 581ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 58264cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 5833569c3c86d520bd04ea806f84c9cb5aad0615fdfzhanyong.wan// For all other compilers, we assume RTTI is enabled. 584ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_RTTI 1 58564cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 586ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // _MSC_VER 58764cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 58864cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#endif // GTEST_HAS_RTTI 58964cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian 590e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// It's this header's responsibility to #include <typeinfo> when RTTI 591e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// is enabled. 592e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#if GTEST_HAS_RTTI 593ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <typeinfo> 594e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#endif 595e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 5963bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// Determines whether Google Test can use the pthreads library. 597e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#ifndef GTEST_HAS_PTHREAD 5981d53731f2c210557caab5660dbe2c578dce6114fkosak// The user didn't tell us explicitly, so we make reasonable assumptions about 5991d53731f2c210557caab5660dbe2c578dce6114fkosak// which platforms have pthreads support. 6003bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 6013bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 6023bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// to your compiler flags. 603386da2037dc7b1d063ac43bf146889b1edcafe7evladlosev# define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX \ 6041d53731f2c210557caab5660dbe2c578dce6114fkosak || GTEST_OS_QNX || GTEST_OS_FREEBSD || GTEST_OS_NACL) 605e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#endif // GTEST_HAS_PTHREAD 606e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian 6073899557cb8563bb0da8f44d435bb02b2095e07fbvladlosev#if GTEST_HAS_PTHREAD 6083899557cb8563bb0da8f44d435bb02b2095e07fbvladlosev// gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is 6093899557cb8563bb0da8f44d435bb02b2095e07fbvladlosev// true. 610ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <pthread.h> // NOLINT 611e96d247b20116646f343b6e2ec37af154f655977vladlosev 612e96d247b20116646f343b6e2ec37af154f655977vladlosev// For timespec and nanosleep, used below. 613ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <time.h> // NOLINT 6143899557cb8563bb0da8f44d435bb02b2095e07fbvladlosev#endif 6153899557cb8563bb0da8f44d435bb02b2095e07fbvladlosev 616fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak// Determines if hash_map/hash_set are available. 617fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak// Only used for testing against those containers. 618fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak#if !defined(GTEST_HAS_HASH_MAP_) 619fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak# if _MSC_VER 620fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak# define GTEST_HAS_HASH_MAP_ 1 // Indicates that hash_map is available. 621fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak# define GTEST_HAS_HASH_SET_ 1 // Indicates that hash_set is available. 622fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak# endif // _MSC_VER 623fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak#endif // !defined(GTEST_HAS_HASH_MAP_) 624fe95bc332d92c6e3f5c2e07fd681bd3549b77374kosak 625532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// Determines whether Google Test can use tr1/tuple. You can define 626532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// this macro to 0 to prevent Google Test from using tuple (any 627532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// feature depending on tuple with be disabled in this mode). 6283d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev#ifndef GTEST_HAS_TR1_TUPLE 62978bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) 63078bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// STLport, provided with the Android NDK, has neither <tr1/tuple> or <tuple>. 63178bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_TR1_TUPLE 0 63278bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# else 633532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// The user didn't tell us not to do it, so we assume it's OK. 63478bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_TR1_TUPLE 1 63578bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# endif 636532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan#endif // GTEST_HAS_TR1_TUPLE 637532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan 638532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// Determines whether Google Test's own tr1 tuple implementation 639532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan// should be used. 640532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan#ifndef GTEST_USE_OWN_TR1_TUPLE 6413d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev// The user didn't tell us, so we need to figure it out. 6423d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev 643fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// We use our own TR1 tuple if we aren't sure the user has an 6442147489625ea8071ca560462f19b1ceb8940a229vladlosev// implementation of it already. At this time, libstdc++ 4.0.0+ and 6452147489625ea8071ca560462f19b1ceb8940a229vladlosev// MSVC 2010 are the only mainstream standard libraries that come 6462147489625ea8071ca560462f19b1ceb8940a229vladlosev// with a TR1 tuple implementation. NVIDIA's CUDA NVCC compiler 6472147489625ea8071ca560462f19b1ceb8940a229vladlosev// pretends to be GCC by defining __GNUC__ and friends, but cannot 6482147489625ea8071ca560462f19b1ceb8940a229vladlosev// compile GCC's tuple implementation. MSVC 2008 (9.0) provides TR1 6492147489625ea8071ca560462f19b1ceb8940a229vladlosev// tuple in a 323 MB Feature Pack download, which we cannot assume the 6502147489625ea8071ca560462f19b1ceb8940a229vladlosev// user has. QNX's QCC compiler is a modified GCC but it doesn't 6512147489625ea8071ca560462f19b1ceb8940a229vladlosev// support TR1 tuple. libc++ only provides std::tuple, in C++11 mode, 6522147489625ea8071ca560462f19b1ceb8940a229vladlosev// and it can be used with some compilers that define __GNUC__. 653386da2037dc7b1d063ac43bf146889b1edcafe7evladlosev# if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000) \ 6542147489625ea8071ca560462f19b1ceb8940a229vladlosev && !GTEST_OS_QNX && !defined(_LIBCPP_VERSION)) || _MSC_VER >= 1600 6552147489625ea8071ca560462f19b1ceb8940a229vladlosev# define GTEST_ENV_HAS_TR1_TUPLE_ 1 6562147489625ea8071ca560462f19b1ceb8940a229vladlosev# endif 6572147489625ea8071ca560462f19b1ceb8940a229vladlosev 658268ba618154d80648aca80a4e9298dab5cceed75jgm// C++11 specifies that <tuple> provides std::tuple. Use that if gtest is used 659268ba618154d80648aca80a4e9298dab5cceed75jgm// in C++11 mode and libstdc++ isn't very old (binaries targeting OS X 10.6 660268ba618154d80648aca80a4e9298dab5cceed75jgm// can build with clang but need to use gcc4.2's libstdc++). 661268ba618154d80648aca80a4e9298dab5cceed75jgm# if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325) 6622147489625ea8071ca560462f19b1ceb8940a229vladlosev# define GTEST_ENV_HAS_STD_TUPLE_ 1 6632147489625ea8071ca560462f19b1ceb8940a229vladlosev# endif 6642147489625ea8071ca560462f19b1ceb8940a229vladlosev 6652147489625ea8071ca560462f19b1ceb8940a229vladlosev# if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_ 666ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_USE_OWN_TR1_TUPLE 0 667ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 668ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_USE_OWN_TR1_TUPLE 1 669ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif 670532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan 671532dc2de35f2cef191bc91c3587a9f8f4974756fzhanyong.wan#endif // GTEST_USE_OWN_TR1_TUPLE 6723d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev 6735145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian// To avoid conditional compilation everywhere, we make it 6745145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian// gtest-port.h's responsibility to #include the header implementing 6755df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak// tuple. 6768120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#if GTEST_HAS_STD_TUPLE_ 6778120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# include <tuple> // IWYU pragma: export 6785df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak# define GTEST_TUPLE_NAMESPACE_ ::std 6798120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#endif // GTEST_HAS_STD_TUPLE_ 6805df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak 6818120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// We include tr1::tuple even if std::tuple is available to define printers for 6828120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// them. 6835145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian#if GTEST_HAS_TR1_TUPLE 6845df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak# ifndef GTEST_TUPLE_NAMESPACE_ 6855df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak# define GTEST_TUPLE_NAMESPACE_ ::std::tr1 6865df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak# endif // GTEST_TUPLE_NAMESPACE_ 687e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan 688ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if GTEST_USE_OWN_TR1_TUPLE 6898120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# include "gtest/internal/gtest-tuple.h" // IWYU pragma: export // NOLINT 6902147489625ea8071ca560462f19b1ceb8940a229vladlosev# elif GTEST_ENV_HAS_STD_TUPLE_ 6912147489625ea8071ca560462f19b1ceb8940a229vladlosev# include <tuple> 6922147489625ea8071ca560462f19b1ceb8940a229vladlosev// C++11 puts its tuple into the ::std namespace rather than 6932147489625ea8071ca560462f19b1ceb8940a229vladlosev// ::std::tr1. gtest expects tuple to live in ::std::tr1, so put it there. 6942147489625ea8071ca560462f19b1ceb8940a229vladlosev// This causes undefined behavior, but supported compilers react in 6952147489625ea8071ca560462f19b1ceb8940a229vladlosev// the way we intend. 6962147489625ea8071ca560462f19b1ceb8940a229vladlosevnamespace std { 6972147489625ea8071ca560462f19b1ceb8940a229vladlosevnamespace tr1 { 6982147489625ea8071ca560462f19b1ceb8940a229vladlosevusing ::std::get; 6992147489625ea8071ca560462f19b1ceb8940a229vladlosevusing ::std::make_tuple; 7002147489625ea8071ca560462f19b1ceb8940a229vladlosevusing ::std::tuple; 7012147489625ea8071ca560462f19b1ceb8940a229vladlosevusing ::std::tuple_element; 7022147489625ea8071ca560462f19b1ceb8940a229vladlosevusing ::std::tuple_size; 7032147489625ea8071ca560462f19b1ceb8940a229vladlosev} 7042147489625ea8071ca560462f19b1ceb8940a229vladlosev} 7052147489625ea8071ca560462f19b1ceb8940a229vladlosev 706ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif GTEST_OS_SYMBIAN 707e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan 708e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to 709e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// use STLport's tuple implementation, which unfortunately doesn't 710e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// work as the copy of STLport distributed with Symbian is incomplete. 711e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to 712e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// use its own tuple implementation. 713ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef BOOST_HAS_TR1_TUPLE 714ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# undef BOOST_HAS_TR1_TUPLE 715ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // BOOST_HAS_TR1_TUPLE 716e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan 717e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// This prevents <boost/tr1/detail/config.hpp>, which defines 718e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan// BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>. 719ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED 7208120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# include <tuple> // IWYU pragma: export // NOLINT 721e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan 722ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) 7239b23e3cc7677643f6adaf6c327275d0a7cdff02czhanyong.wan// GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does 7249b23e3cc7677643f6adaf6c327275d0a7cdff02czhanyong.wan// not conform to the TR1 spec, which requires the header to be <tuple>. 725683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan 726ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 727683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan// Until version 4.3.2, gcc has a bug that causes <tr1/functional>, 728683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan// which is #included by <tr1/tuple>, to not compile when RTTI is 729683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan// disabled. _TR1_FUNCTIONAL is the header guard for 730683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan// <tr1/functional>. Hence the following #define is a hack to prevent 731683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan// <tr1/functional> from being included. 732ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define _TR1_FUNCTIONAL 1 733ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <tr1/tuple> 734ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# undef _TR1_FUNCTIONAL // Allows the user to #include 735683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan // <tr1/functional> if he chooses to. 736ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 737ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# include <tr1/tuple> // NOLINT 738ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 739683f431d830dea27069e7eef11d355bae2b82b72zhanyong.wan 740ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 7419b23e3cc7677643f6adaf6c327275d0a7cdff02czhanyong.wan// If the compiler is not GCC 4.0+, we assume the user is using a 7425145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian// spec-conforming TR1 implementation. 7438120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# include <tuple> // IWYU pragma: export // NOLINT 744ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // GTEST_USE_OWN_TR1_TUPLE 745e68adf5c9089b4e2b7d527eb398471a7728b2939zhanyong.wan 7465145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian#endif // GTEST_HAS_TR1_TUPLE 7475145e0fb203071648f4be6b77c68fabf3d92ab8ashiqian 74804f025dd5746fca83c6c32f1729b3449721dd60eshiqian// Determines whether clone(2) is supported. 74904f025dd5746fca83c6c32f1729b3449721dd60eshiqian// Usually it will only be available on Linux, excluding 75004f025dd5746fca83c6c32f1729b3449721dd60eshiqian// Linux on the Itanium architecture. 75104f025dd5746fca83c6c32f1729b3449721dd60eshiqian// Also see http://linux.die.net/man/2/clone. 75204f025dd5746fca83c6c32f1729b3449721dd60eshiqian#ifndef GTEST_HAS_CLONE 75304f025dd5746fca83c6c32f1729b3449721dd60eshiqian// The user didn't tell us, so we need to figure it out. 75404f025dd5746fca83c6c32f1729b3449721dd60eshiqian 755ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if GTEST_OS_LINUX && !defined(__ia64__) 75678bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# if GTEST_OS_LINUX_ANDROID 75778bf6d5724e733cce313228856e18d5c372b4fb3vladlosev// On Android, clone() is only available on ARM starting with Gingerbread. 75878bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# if defined(__arm__) && __ANDROID_API__ >= 9 75978bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_CLONE 1 76078bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# else 76178bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_CLONE 0 76278bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# endif 76378bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# else 76478bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# define GTEST_HAS_CLONE 1 76578bf6d5724e733cce313228856e18d5c372b4fb3vladlosev# endif 766ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 767ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_CLONE 0 768ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // GTEST_OS_LINUX && !defined(__ia64__) 76904f025dd5746fca83c6c32f1729b3449721dd60eshiqian 77004f025dd5746fca83c6c32f1729b3449721dd60eshiqian#endif // GTEST_HAS_CLONE 77104f025dd5746fca83c6c32f1729b3449721dd60eshiqian 77281e1cc73c83265e54b2ec7edc17e77f4d1b89e86zhanyong.wan// Determines whether to support stream redirection. This is used to test 77381e1cc73c83265e54b2ec7edc17e77f4d1b89e86zhanyong.wan// output correctness and to implement death tests. 77435c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#ifndef GTEST_HAS_STREAM_REDIRECTION 77535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// By default, we assume that stream redirection is supported on all 77635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// platforms except known mobile ones. 7778120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || \ 7788120f66c3249e253f03fdb48bee7e528bc038d31billydonahue GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT 779ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_STREAM_REDIRECTION 0 780ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 781ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_STREAM_REDIRECTION 1 782ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN 78335c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#endif // GTEST_HAS_STREAM_REDIRECTION 78481e1cc73c83265e54b2ec7edc17e77f4d1b89e86zhanyong.wan 785d201456903f3ecae1f7794edfab0d5678e64226shiqian// Determines whether to support death tests. 78688e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// Google Test does not support death tests for VC 7.1 and earlier as 78788e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// abort() in a VC 7.1 application compiled as GUI in debug config 78888e97c822c988eaa9f8bcbaa1ea5d702ffd7d384zhanyong.wan// pops up a dialog window that cannot be suppressed programmatically. 789a1c4b46bc2c12ea7c61108f001a5b5eb4a8ccad0jgm#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ 79040be033887b7728d70d47adce581a971371ee705kosak (GTEST_OS_MAC && !GTEST_OS_IOS) || \ 79117e4860871d225bce440a3ca9ef1bdaceaed60d8zhanyong.wan (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ 792814a5e9310bbc8aeb0b985c1dcb66496835bf73avladlosev GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \ 793b215e30cadd11db7c9f378b57ffecce92aacce37kosak GTEST_OS_OPENBSD || GTEST_OS_QNX || GTEST_OS_FREEBSD) 794ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_DEATH_TEST 1 7959623aed82cf3e0dcd2fb2fb7442a5a9507ac55a5zhanyong.wan#endif 796d201456903f3ecae1f7794edfab0d5678e64226shiqian 79712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// We don't support MSVC 7.1 with exceptions disabled now. Therefore 79812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// all the compilers we care about are adequate for supporting 79912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// value-parameterized tests. 8000af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan#define GTEST_HAS_PARAM_TEST 1 8013d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev 802a2b1a8556ea64014606d78b09333d9c522430a25shiqian// Determines whether to support type-driven tests. 803a2b1a8556ea64014606d78b09333d9c522430a25shiqian 80406d04c0945bf47bae90532552e6e8294802fc9aavladlosev// Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, 805741d6c0d475664fc48790917cefed455a4307227zhanyong.wan// Sun Pro CC, IBM Visual Age, and HP aCC support. 80606d04c0945bf47bae90532552e6e8294802fc9aavladlosev#if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ 807741d6c0d475664fc48790917cefed455a4307227zhanyong.wan defined(__IBMCPP__) || defined(__HP_aCC) 808ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_TYPED_TEST 1 809ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_TYPED_TEST_P 1 810cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev#endif 811a2b1a8556ea64014606d78b09333d9c522430a25shiqian 8123d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev// Determines whether to support Combine(). This only makes sense when 813e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// value-parameterized tests are enabled. The implementation doesn't 814e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// work on Sun Studio since it doesn't understand templated conversion 815e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// operators. 816e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) 817ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_COMBINE 1 818e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#endif 8193d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev 8200c5a66245b8c5939b36b2aad6f4d5ab89b724b1avladlosev// Determines whether the system compiler uses UTF-16 for encoding wide strings. 8210af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan#define GTEST_WIDE_STRING_USES_UTF16_ \ 82206d04c0945bf47bae90532552e6e8294802fc9aavladlosev (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) 8230c5a66245b8c5939b36b2aad6f4d5ab89b724b1avladlosev 824a9f380f5c7ff75cd715c58e11885dddc54baef02zhanyong.wan// Determines whether test results can be streamed to a socket. 825a9f380f5c7ff75cd715c58e11885dddc54baef02zhanyong.wan#if GTEST_OS_LINUX 826ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_CAN_STREAM_RESULTS_ 1 827a9f380f5c7ff75cd715c58e11885dddc54baef02zhanyong.wan#endif 828a9f380f5c7ff75cd715c58e11885dddc54baef02zhanyong.wan 829d201456903f3ecae1f7794edfab0d5678e64226shiqian// Defines some utility macros. 830d201456903f3ecae1f7794edfab0d5678e64226shiqian 831d201456903f3ecae1f7794edfab0d5678e64226shiqian// The GNU compiler emits a warning if nested "if" statements are followed by 832d201456903f3ecae1f7794edfab0d5678e64226shiqian// an "else" statement and braces are not used to explicitly disambiguate the 833d201456903f3ecae1f7794edfab0d5678e64226shiqian// "else" binding. This leads to problems with code like: 834d201456903f3ecae1f7794edfab0d5678e64226shiqian// 835d201456903f3ecae1f7794edfab0d5678e64226shiqian// if (gate) 836d201456903f3ecae1f7794edfab0d5678e64226shiqian// ASSERT_*(condition) << "Some message"; 837d201456903f3ecae1f7794edfab0d5678e64226shiqian// 838d201456903f3ecae1f7794edfab0d5678e64226shiqian// The "switch (0) case 0:" idiom is used to suppress this. 839d201456903f3ecae1f7794edfab0d5678e64226shiqian#ifdef __INTEL_COMPILER 840ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ 841d201456903f3ecae1f7794edfab0d5678e64226shiqian#else 842ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT 843d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif 844d201456903f3ecae1f7794edfab0d5678e64226shiqian 8450da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// Use this annotation at the end of a struct/class definition to 846d201456903f3ecae1f7794edfab0d5678e64226shiqian// prevent the compiler from optimizing away instances that are never 847d201456903f3ecae1f7794edfab0d5678e64226shiqian// used. This is useful when all interesting logic happens inside the 848d201456903f3ecae1f7794edfab0d5678e64226shiqian// c'tor and / or d'tor. Example: 849d201456903f3ecae1f7794edfab0d5678e64226shiqian// 850d201456903f3ecae1f7794edfab0d5678e64226shiqian// struct Foo { 851d201456903f3ecae1f7794edfab0d5678e64226shiqian// Foo() { ... } 852e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// } GTEST_ATTRIBUTE_UNUSED_; 8530da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// 8540da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// Also use it after a variable or parameter declaration to tell the 8550da92aaf7f696ebfa2374247ae9010dacbc057fczhanyong.wan// compiler the variable/parameter does not have to be used. 856bcb12fa0f651f7de3a10f4535ed856e52b1c3f62shiqian#if defined(__GNUC__) && !defined(COMPILER_ICC) 857ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) 858074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#elif defined(__clang__) 859074ed8c8ea5732a71748e41e95e2d7e17d782302kosak# if __has_attribute(unused) 860074ed8c8ea5732a71748e41e95e2d7e17d782302kosak# define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) 861074ed8c8ea5732a71748e41e95e2d7e17d782302kosak# endif 862074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#endif 863074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#ifndef GTEST_ATTRIBUTE_UNUSED_ 864ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_ATTRIBUTE_UNUSED_ 865bcb12fa0f651f7de3a10f4535ed856e52b1c3f62shiqian#endif 866d201456903f3ecae1f7794edfab0d5678e64226shiqian 8677b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan// A macro to disallow operator= 8687b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan// This should be used in the private: declarations for a class. 8697b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan#define GTEST_DISALLOW_ASSIGN_(type)\ 8707b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan void operator=(type const &) 8717b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan 8727b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan// A macro to disallow copy constructor and operator= 873d201456903f3ecae1f7794edfab0d5678e64226shiqian// This should be used in the private: declarations for a class. 874e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ 8757b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan type(type const &);\ 8767b0c8dd3a94fed17493e2f01dc2fa32bc1eb3a20zhanyong.wan GTEST_DISALLOW_ASSIGN_(type) 877d201456903f3ecae1f7794edfab0d5678e64226shiqian 878d201456903f3ecae1f7794edfab0d5678e64226shiqian// Tell the compiler to warn about unused return values for functions declared 879d201456903f3ecae1f7794edfab0d5678e64226shiqian// with this macro. The macro should be used on function declarations 880d201456903f3ecae1f7794edfab0d5678e64226shiqian// following the argument list: 881d201456903f3ecae1f7794edfab0d5678e64226shiqian// 882e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian// Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; 88364cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) 884ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) 885d201456903f3ecae1f7794edfab0d5678e64226shiqian#else 886ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_MUST_USE_RESULT_ 88764cdcb69b28fc26e78d95c574187f7dd9830c84cshiqian#endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC 888d201456903f3ecae1f7794edfab0d5678e64226shiqian 88941a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// MS C++ compiler emits warning when a conditional expression is compile time 89041a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// constant. In some contexts this warning is false positive and needs to be 89141a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// suppressed. Use the following two macros in such cases: 89241a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// 8938120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_INTENTIONAL_CONST_COND_PUSH_() 89441a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// while (true) { 8958120f66c3249e253f03fdb48bee7e528bc038d31billydonahue// GTEST_INTENTIONAL_CONST_COND_POP_() 89641a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak// } 8978120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_INTENTIONAL_CONST_COND_PUSH_() \ 8988120f66c3249e253f03fdb48bee7e528bc038d31billydonahue GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127) 8998120f66c3249e253f03fdb48bee7e528bc038d31billydonahue# define GTEST_INTENTIONAL_CONST_COND_POP_() \ 9008120f66c3249e253f03fdb48bee7e528bc038d31billydonahue GTEST_DISABLE_MSC_WARNINGS_POP_() 90141a8bc67ab7e7a81735e9d560f54d8d130dcc3abkosak 902f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// Determine whether the compiler supports Microsoft's Structured Exception 903f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// Handling. This is supported by several Windows compilers but generally 904f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// does not exist on any other system. 905f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan#ifndef GTEST_HAS_SEH 906f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// The user didn't tell us, so we need to figure it out. 907f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan 908ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if defined(_MSC_VER) || defined(__BORLANDC__) 909f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// These two compilers are known to support SEH. 910ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_SEH 1 911ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 912f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan// Assume no SEH. 913ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_SEH 0 914ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif 915f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan 916a6340420b9cee27f77c5b91bea807121914a5831kosak#define GTEST_IS_THREADSAFE \ 917156d1b513b90deca6287c737e3e6453dc7f64d35kosak (GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ \ 918bd263344f9e930ab7d3558c1b7706a55739737cbkosak || (GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT) \ 919bd263344f9e930ab7d3558c1b7706a55739737cbkosak || GTEST_HAS_PTHREAD) 920a6340420b9cee27f77c5b91bea807121914a5831kosak 921f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan#endif // GTEST_HAS_SEH 922f2334aa19555063791ec16fe2b476ec00195bbb8zhanyong.wan 92383589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan#ifdef _MSC_VER 924ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if GTEST_LINKED_AS_SHARED_LIBRARY 925ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_API_ __declspec(dllimport) 926ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# elif GTEST_CREATE_SHARED_LIBRARY 927ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_API_ __declspec(dllexport) 928ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif 929bb5c92f9d1f0b26c79978e92f38a0e5fbcc8c9bfDominic Meiser#elif __GNUC__ >= 4 || defined(__clang__) 930bb5c92f9d1f0b26c79978e92f38a0e5fbcc8c9bfDominic Meiser# define GTEST_API_ __attribute__((visibility ("default"))) 931bb5c92f9d1f0b26c79978e92f38a0e5fbcc8c9bfDominic Meiser#endif // _MSC_VER 93283589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan 93383589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan#ifndef GTEST_API_ 934ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_API_ 93583589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan#endif 93683589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan 937c91a353c47ea13244550037918ff8dc423063012zhanyong.wan#ifdef __GNUC__ 938c006f8c12bc74131692a2df8fd64dcedeafe6c77zhanyong.wan// Ask the compiler to never inline a given function. 939c91a353c47ea13244550037918ff8dc423063012zhanyong.wan# define GTEST_NO_INLINE_ __attribute__((noinline)) 940c006f8c12bc74131692a2df8fd64dcedeafe6c77zhanyong.wan#else 941c91a353c47ea13244550037918ff8dc423063012zhanyong.wan# define GTEST_NO_INLINE_ 942c91a353c47ea13244550037918ff8dc423063012zhanyong.wan#endif 943c006f8c12bc74131692a2df8fd64dcedeafe6c77zhanyong.wan 944cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev// _LIBCPP_VERSION is defined by the libc++ library from the LLVM project. 945cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev#if defined(__GLIBCXX__) || defined(_LIBCPP_VERSION) 946cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev# define GTEST_HAS_CXXABI_H_ 1 947cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev#else 948cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev# define GTEST_HAS_CXXABI_H_ 0 949cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev#endif 950cf3f92ef93ffc35ec1efe8b3b1d65b2624d84de5vladlosev 95137b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak// A function level attribute to disable checking for use of uninitialized 95237b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak// memory when built with MemorySanitizer. 95337b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak#if defined(__clang__) 95437b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak# if __has_feature(memory_sanitizer) 95537b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak# define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ \ 95637b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak __attribute__((no_sanitize_memory)) 95737b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak# else 95837b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak# define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ 95935956659eaaafd4b356acfbabcb48c183d957ff4kosak# endif // __has_feature(memory_sanitizer) 96037b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak#else 96137b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak# define GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ 96235956659eaaafd4b356acfbabcb48c183d957ff4kosak#endif // __clang__ 96335956659eaaafd4b356acfbabcb48c183d957ff4kosak 96435956659eaaafd4b356acfbabcb48c183d957ff4kosak// A function level attribute to disable AddressSanitizer instrumentation. 96535956659eaaafd4b356acfbabcb48c183d957ff4kosak#if defined(__clang__) 96635956659eaaafd4b356acfbabcb48c183d957ff4kosak# if __has_feature(address_sanitizer) 96735956659eaaafd4b356acfbabcb48c183d957ff4kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ \ 96835956659eaaafd4b356acfbabcb48c183d957ff4kosak __attribute__((no_sanitize_address)) 96935956659eaaafd4b356acfbabcb48c183d957ff4kosak# else 97035956659eaaafd4b356acfbabcb48c183d957ff4kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ 97135956659eaaafd4b356acfbabcb48c183d957ff4kosak# endif // __has_feature(address_sanitizer) 97235956659eaaafd4b356acfbabcb48c183d957ff4kosak#else 97335956659eaaafd4b356acfbabcb48c183d957ff4kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ 97435956659eaaafd4b356acfbabcb48c183d957ff4kosak#endif // __clang__ 97537b97d1c93fb8283f8bbf54f5618c1c1e5a4726akosak 976ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak// A function level attribute to disable ThreadSanitizer instrumentation. 977ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak#if defined(__clang__) 978ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# if __has_feature(thread_sanitizer) 979ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ \ 980ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak __attribute__((no_sanitize_thread)) 981ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# else 982ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ 983ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# endif // __has_feature(thread_sanitizer) 984ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak#else 985ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak# define GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ 986ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak#endif // __clang__ 987ffea2d604031a8c732cec8f8de9d9f9bcfbbcf70kosak 988d201456903f3ecae1f7794edfab0d5678e64226shiqiannamespace testing { 989d201456903f3ecae1f7794edfab0d5678e64226shiqian 990d201456903f3ecae1f7794edfab0d5678e64226shiqianclass Message; 991d201456903f3ecae1f7794edfab0d5678e64226shiqian 9928120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#if defined(GTEST_TUPLE_NAMESPACE_) 9935df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak// Import tuple and friends into the ::testing namespace. 9945df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak// It is part of our interface, having them in ::testing allows us to change 9955df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak// their types as needed. 9965df87d70b64dd8080ab9e3f1b0250e74715e2a60kosakusing GTEST_TUPLE_NAMESPACE_::get; 9975df87d70b64dd8080ab9e3f1b0250e74715e2a60kosakusing GTEST_TUPLE_NAMESPACE_::make_tuple; 9985df87d70b64dd8080ab9e3f1b0250e74715e2a60kosakusing GTEST_TUPLE_NAMESPACE_::tuple; 9995df87d70b64dd8080ab9e3f1b0250e74715e2a60kosakusing GTEST_TUPLE_NAMESPACE_::tuple_size; 10005df87d70b64dd8080ab9e3f1b0250e74715e2a60kosakusing GTEST_TUPLE_NAMESPACE_::tuple_element; 10018120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#endif // defined(GTEST_TUPLE_NAMESPACE_) 10025df87d70b64dd8080ab9e3f1b0250e74715e2a60kosak 1003d201456903f3ecae1f7794edfab0d5678e64226shiqiannamespace internal { 1004d201456903f3ecae1f7794edfab0d5678e64226shiqian 10056a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// A secret type that Google Test users don't know about. It has no 10066a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// definition on purpose. Therefore it's impossible to create a 10076a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan// Secret object, which is what we want. 10086a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wanclass Secret; 10096a036a5c8c7613e888fad39d92fc3fd84a96fbc7zhanyong.wan 10102ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time 10112ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// expression is true. For example, you could use it to verify the 10122ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// size of a static array: 10132ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10145d83ee08dff5775b3bc59d144bc3ea3d4fe9dfb9kosak// GTEST_COMPILE_ASSERT_(GTEST_ARRAY_SIZE_(names) == NUM_NAMES, 10155d83ee08dff5775b3bc59d144bc3ea3d4fe9dfb9kosak// names_incorrect_size); 10162ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10172ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// or to make sure a struct is smaller than a certain size: 10182ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10192ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); 10202ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10212ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// The second argument to the macro is the name of the variable. If 10222ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// the expression is false, most compilers will issue a warning/error 10232ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// containing the name of the variable. 10242ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 1025074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#if GTEST_LANG_CXX11 1026074ed8c8ea5732a71748e41e95e2d7e17d782302kosak# define GTEST_COMPILE_ASSERT_(expr, msg) static_assert(expr, #msg) 1027074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#else // !GTEST_LANG_CXX11 10282ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantemplate <bool> 1029074ed8c8ea5732a71748e41e95e2d7e17d782302kosak struct CompileAssert { 10302ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan}; 10312ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 1032074ed8c8ea5732a71748e41e95e2d7e17d782302kosak# define GTEST_COMPILE_ASSERT_(expr, msg) \ 1033fc01f532a622a7d460a4eff816c56c0e501f20f7zhanyong.wan typedef ::testing::internal::CompileAssert<(static_cast<bool>(expr))> \ 1034fc01f532a622a7d460a4eff816c56c0e501f20f7zhanyong.wan msg[static_cast<bool>(expr) ? 1 : -1] GTEST_ATTRIBUTE_UNUSED_ 1035074ed8c8ea5732a71748e41e95e2d7e17d782302kosak#endif // !GTEST_LANG_CXX11 10362ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 10372ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// Implementation details of GTEST_COMPILE_ASSERT_: 10382ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 1039074ed8c8ea5732a71748e41e95e2d7e17d782302kosak// (In C++11, we simply use static_assert instead of the following) 1040074ed8c8ea5732a71748e41e95e2d7e17d782302kosak// 10412ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 10422ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// elements (and thus is invalid) when the expression is false. 10432ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10442ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// - The simpler definition 10452ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10462ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] 10472ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10482ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// does not work, as gcc supports variable-length arrays whose sizes 10492ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// are determined at run-time (this is gcc's extension and not part 10502ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// of the C++ standard). As a result, gcc fails to reject the 10512ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// following code with the simple definition: 10522ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10532ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// int foo; 10542ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is 10552ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// // not a compile-time constant. 10562ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10572ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// - By using the type CompileAssert<(bool(expr))>, we ensures that 10582ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// expr is a compile-time constant. (Template arguments must be 10592ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// determined at compile-time.) 10602ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10612ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// - The outter parentheses in CompileAssert<(bool(expr))> are necessary 10622ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// to work around a bug in gcc 3.4.4 and 4.0.1. If we had written 10632ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10642ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// CompileAssert<bool(expr)> 10652ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10662ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// instead, these compilers will refuse to compile 10672ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10682ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// GTEST_COMPILE_ASSERT_(5 > 0, some_message); 10692ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10702ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// (They seem to think the ">" in "5 > 0" marks the end of the 10712ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// template argument list.) 10722ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10732ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// - The array size is (bool(expr) ? 1 : -1), instead of simply 10742ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10752ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// ((expr) ? 1 : -1). 10762ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10772ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// This is to avoid running into a bug in MS VC 7.1, which 10782ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. 10792ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 10802ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. 10812ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 10822ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// This template is declared, but intentionally undefined. 10832ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantemplate <typename T1, typename T2> 10842ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wanstruct StaticAssertTypeEqHelper; 10852ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 10862ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantemplate <typename T> 10878120f66c3249e253f03fdb48bee7e528bc038d31billydonahuestruct StaticAssertTypeEqHelper<T, T> { 10888120f66c3249e253f03fdb48bee7e528bc038d31billydonahue enum { value = true }; 10898120f66c3249e253f03fdb48bee7e528bc038d31billydonahue}; 10902ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 10915d83ee08dff5775b3bc59d144bc3ea3d4fe9dfb9kosak// Evaluates to the number of elements in 'array'. 10925d83ee08dff5775b3bc59d144bc3ea3d4fe9dfb9kosak#define GTEST_ARRAY_SIZE_(array) (sizeof(array) / sizeof(array[0])) 10935d83ee08dff5775b3bc59d144bc3ea3d4fe9dfb9kosak 10942ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#if GTEST_HAS_GLOBAL_STRING 10952ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantypedef ::string string; 10962ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#else 10972ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantypedef ::std::string string; 10982ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#endif // GTEST_HAS_GLOBAL_STRING 10992ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 11002ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#if GTEST_HAS_GLOBAL_WSTRING 11012ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantypedef ::wstring wstring; 11022ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#elif GTEST_HAS_STD_WSTRING 11032ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantypedef ::std::wstring wstring; 11042ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#endif // GTEST_HAS_GLOBAL_WSTRING 11052ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 1106f8b268ee86ca74bba3276352f1e7de53d1336c3ezhanyong.wan// A helper for suppressing warnings on constant condition. It just 1107f8b268ee86ca74bba3276352f1e7de53d1336c3ezhanyong.wan// returns 'condition'. 110883589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wanGTEST_API_ bool IsTrue(bool condition); 1109f8b268ee86ca74bba3276352f1e7de53d1336c3ezhanyong.wan 1110d201456903f3ecae1f7794edfab0d5678e64226shiqian// Defines scoped_ptr. 1111d201456903f3ecae1f7794edfab0d5678e64226shiqian 1112d201456903f3ecae1f7794edfab0d5678e64226shiqian// This implementation of scoped_ptr is PARTIAL - it only contains 1113d201456903f3ecae1f7794edfab0d5678e64226shiqian// enough stuff to satisfy Google Test's need. 1114d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <typename T> 1115d201456903f3ecae1f7794edfab0d5678e64226shiqianclass scoped_ptr { 1116d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 1117b6fe6899bef6dd90572fc0e7f12912d9ad87a19evladlosev typedef T element_type; 1118b6fe6899bef6dd90572fc0e7f12912d9ad87a19evladlosev 1119d201456903f3ecae1f7794edfab0d5678e64226shiqian explicit scoped_ptr(T* p = NULL) : ptr_(p) {} 1120d201456903f3ecae1f7794edfab0d5678e64226shiqian ~scoped_ptr() { reset(); } 1121d201456903f3ecae1f7794edfab0d5678e64226shiqian 1122d201456903f3ecae1f7794edfab0d5678e64226shiqian T& operator*() const { return *ptr_; } 1123d201456903f3ecae1f7794edfab0d5678e64226shiqian T* operator->() const { return ptr_; } 1124d201456903f3ecae1f7794edfab0d5678e64226shiqian T* get() const { return ptr_; } 1125d201456903f3ecae1f7794edfab0d5678e64226shiqian 1126d201456903f3ecae1f7794edfab0d5678e64226shiqian T* release() { 1127d201456903f3ecae1f7794edfab0d5678e64226shiqian T* const ptr = ptr_; 1128d201456903f3ecae1f7794edfab0d5678e64226shiqian ptr_ = NULL; 1129d201456903f3ecae1f7794edfab0d5678e64226shiqian return ptr; 1130d201456903f3ecae1f7794edfab0d5678e64226shiqian } 1131d201456903f3ecae1f7794edfab0d5678e64226shiqian 1132d201456903f3ecae1f7794edfab0d5678e64226shiqian void reset(T* p = NULL) { 1133d201456903f3ecae1f7794edfab0d5678e64226shiqian if (p != ptr_) { 1134f8b268ee86ca74bba3276352f1e7de53d1336c3ezhanyong.wan if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. 1135d201456903f3ecae1f7794edfab0d5678e64226shiqian delete ptr_; 1136d201456903f3ecae1f7794edfab0d5678e64226shiqian } 1137d201456903f3ecae1f7794edfab0d5678e64226shiqian ptr_ = p; 1138d201456903f3ecae1f7794edfab0d5678e64226shiqian } 1139d201456903f3ecae1f7794edfab0d5678e64226shiqian } 11408965a6a0d2165f32e6413594bba6367f271f51e7vladlosev 11418120f66c3249e253f03fdb48bee7e528bc038d31billydonahue friend void swap(scoped_ptr& a, scoped_ptr& b) { 11428120f66c3249e253f03fdb48bee7e528bc038d31billydonahue using std::swap; 11438120f66c3249e253f03fdb48bee7e528bc038d31billydonahue swap(a.ptr_, b.ptr_); 11448120f66c3249e253f03fdb48bee7e528bc038d31billydonahue } 11458120f66c3249e253f03fdb48bee7e528bc038d31billydonahue 1146d201456903f3ecae1f7794edfab0d5678e64226shiqian private: 1147d201456903f3ecae1f7794edfab0d5678e64226shiqian T* ptr_; 1148d201456903f3ecae1f7794edfab0d5678e64226shiqian 1149e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); 1150d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 1151d201456903f3ecae1f7794edfab0d5678e64226shiqian 11523d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev// Defines RE. 1153d201456903f3ecae1f7794edfab0d5678e64226shiqian 115406d04c0945bf47bae90532552e6e8294802fc9aavladlosev// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended 1155d201456903f3ecae1f7794edfab0d5678e64226shiqian// Regular Expression syntax. 115683589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wanclass GTEST_API_ RE { 1157d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 115806d04c0945bf47bae90532552e6e8294802fc9aavladlosev // A copy constructor is required by the Standard to initialize object 115906d04c0945bf47bae90532552e6e8294802fc9aavladlosev // references from r-values. 116006d04c0945bf47bae90532552e6e8294802fc9aavladlosev RE(const RE& other) { Init(other.pattern()); } 116106d04c0945bf47bae90532552e6e8294802fc9aavladlosev 1162d201456903f3ecae1f7794edfab0d5678e64226shiqian // Constructs an RE from a string. 1163d201456903f3ecae1f7794edfab0d5678e64226shiqian RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT 1164d201456903f3ecae1f7794edfab0d5678e64226shiqian 1165d201456903f3ecae1f7794edfab0d5678e64226shiqian#if GTEST_HAS_GLOBAL_STRING 1166ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1167d201456903f3ecae1f7794edfab0d5678e64226shiqian RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT 1168ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1169d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_GLOBAL_STRING 1170d201456903f3ecae1f7794edfab0d5678e64226shiqian 1171d201456903f3ecae1f7794edfab0d5678e64226shiqian RE(const char* regex) { Init(regex); } // NOLINT 1172d201456903f3ecae1f7794edfab0d5678e64226shiqian ~RE(); 1173d201456903f3ecae1f7794edfab0d5678e64226shiqian 1174d201456903f3ecae1f7794edfab0d5678e64226shiqian // Returns the string representation of the regex. 1175d201456903f3ecae1f7794edfab0d5678e64226shiqian const char* pattern() const { return pattern_; } 1176d201456903f3ecae1f7794edfab0d5678e64226shiqian 11773d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // FullMatch(str, re) returns true iff regular expression re matches 11783d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // the entire str. 11793d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // PartialMatch(str, re) returns true iff regular expression re 11803d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // matches a substring of str (including str itself). 11813d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // 11823d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // TODO(wan@google.com): make FullMatch() and PartialMatch() work 11833d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev // when str contains NUL characters. 11843d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev static bool FullMatch(const ::std::string& str, const RE& re) { 11853d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev return FullMatch(str.c_str(), re); 11863d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev } 1187d201456903f3ecae1f7794edfab0d5678e64226shiqian static bool PartialMatch(const ::std::string& str, const RE& re) { 1188d201456903f3ecae1f7794edfab0d5678e64226shiqian return PartialMatch(str.c_str(), re); 1189d201456903f3ecae1f7794edfab0d5678e64226shiqian } 1190d201456903f3ecae1f7794edfab0d5678e64226shiqian 1191d201456903f3ecae1f7794edfab0d5678e64226shiqian#if GTEST_HAS_GLOBAL_STRING 1192ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 11933d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev static bool FullMatch(const ::string& str, const RE& re) { 11943d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev return FullMatch(str.c_str(), re); 11953d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev } 1196d201456903f3ecae1f7794edfab0d5678e64226shiqian static bool PartialMatch(const ::string& str, const RE& re) { 1197d201456903f3ecae1f7794edfab0d5678e64226shiqian return PartialMatch(str.c_str(), re); 1198d201456903f3ecae1f7794edfab0d5678e64226shiqian } 1199ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1200d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_GLOBAL_STRING 1201d201456903f3ecae1f7794edfab0d5678e64226shiqian 12023d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev static bool FullMatch(const char* str, const RE& re); 1203d201456903f3ecae1f7794edfab0d5678e64226shiqian static bool PartialMatch(const char* str, const RE& re); 1204d201456903f3ecae1f7794edfab0d5678e64226shiqian 1205d201456903f3ecae1f7794edfab0d5678e64226shiqian private: 1206d201456903f3ecae1f7794edfab0d5678e64226shiqian void Init(const char* regex); 1207d201456903f3ecae1f7794edfab0d5678e64226shiqian 120887fdda2cf24d953f3cbec1e0c266b2db9928f406jgm // We use a const char* instead of an std::string, as Google Test used to be 120987fdda2cf24d953f3cbec1e0c266b2db9928f406jgm // used where std::string is not available. TODO(wan@google.com): change to 121087fdda2cf24d953f3cbec1e0c266b2db9928f406jgm // std::string. 1211d201456903f3ecae1f7794edfab0d5678e64226shiqian const char* pattern_; 1212c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan bool is_valid_; 1213ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1214c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan#if GTEST_USES_POSIX_RE 1215ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 12163d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev regex_t full_regex_; // For FullMatch(). 12173d7042176307f0d7700a3640f3b3bcc8790b8fcdvladlosev regex_t partial_regex_; // For PartialMatch(). 1218ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1219c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan#else // GTEST_USES_SIMPLE_RE 1220ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1221c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan const char* full_pattern_; // For FullMatch(); 1222ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan 1223c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan#endif 1224d201456903f3ecae1f7794edfab0d5678e64226shiqian 122506d04c0945bf47bae90532552e6e8294802fc9aavladlosev GTEST_DISALLOW_ASSIGN_(RE); 1226c946ae60194727ede9d3ef44754839f48541a981zhanyong.wan}; 1227d201456903f3ecae1f7794edfab0d5678e64226shiqian 12289d7455f9844e293dff8b7902f0c2553094f2f976vladlosev// Formats a source file path and a line number as they would appear 12299d7455f9844e293dff8b7902f0c2553094f2f976vladlosev// in an error message from the compiler used to compile this code. 12309d7455f9844e293dff8b7902f0c2553094f2f976vladlosevGTEST_API_ ::std::string FormatFileLocation(const char* file, int line); 12319d7455f9844e293dff8b7902f0c2553094f2f976vladlosev 12329d7455f9844e293dff8b7902f0c2553094f2f976vladlosev// Formats a file location for compiler-independent XML output. 12339d7455f9844e293dff8b7902f0c2553094f2f976vladlosev// Although this function is not platform dependent, we put it next to 12349d7455f9844e293dff8b7902f0c2553094f2f976vladlosev// FormatFileLocation in order to contrast the two functions. 12359d7455f9844e293dff8b7902f0c2553094f2f976vladlosevGTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file, 12369d7455f9844e293dff8b7902f0c2553094f2f976vladlosev int line); 12379d7455f9844e293dff8b7902f0c2553094f2f976vladlosev 1238d201456903f3ecae1f7794edfab0d5678e64226shiqian// Defines logging utilities: 1239866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan// GTEST_LOG_(severity) - logs messages at the specified severity level. The 1240866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan// message itself is streamed into the macro. 1241d201456903f3ecae1f7794edfab0d5678e64226shiqian// LogToStderr() - directs all log messages to stderr. 1242d201456903f3ecae1f7794edfab0d5678e64226shiqian// FlushInfoLog() - flushes informational log messages. 1243d201456903f3ecae1f7794edfab0d5678e64226shiqian 1244d201456903f3ecae1f7794edfab0d5678e64226shiqianenum GTestLogSeverity { 1245d201456903f3ecae1f7794edfab0d5678e64226shiqian GTEST_INFO, 1246d201456903f3ecae1f7794edfab0d5678e64226shiqian GTEST_WARNING, 1247d201456903f3ecae1f7794edfab0d5678e64226shiqian GTEST_ERROR, 1248d201456903f3ecae1f7794edfab0d5678e64226shiqian GTEST_FATAL 1249d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 1250d201456903f3ecae1f7794edfab0d5678e64226shiqian 1251866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan// Formats log entry severity, provides a stream object for streaming the 1252866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan// log message, and terminates the message with a newline when going out of 1253866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan// scope. 125483589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wanclass GTEST_API_ GTestLog { 1255866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan public: 1256866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan GTestLog(GTestLogSeverity severity, const char* file, int line); 1257866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan 1258866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. 1259866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan ~GTestLog(); 1260866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan 1261866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan ::std::ostream& GetStream() { return ::std::cerr; } 1262866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan 1263866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan private: 1264866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan const GTestLogSeverity severity_; 1265866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan 1266866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog); 1267866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan}; 1268d201456903f3ecae1f7794edfab0d5678e64226shiqian 1269156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_LOG_) 1270156d1b513b90deca6287c737e3e6453dc7f64d35kosak 1271156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_LOG_(severity) \ 1272866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \ 1273866f4a94461d765f7f9514b6cb6e82d7b9ea12d2zhanyong.wan __FILE__, __LINE__).GetStream() 1274d201456903f3ecae1f7794edfab0d5678e64226shiqian 1275d201456903f3ecae1f7794edfab0d5678e64226shiqianinline void LogToStderr() {} 1276d201456903f3ecae1f7794edfab0d5678e64226shiqianinline void FlushInfoLog() { fflush(NULL); } 1277d201456903f3ecae1f7794edfab0d5678e64226shiqian 1278156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_LOG_) 1279156d1b513b90deca6287c737e3e6453dc7f64d35kosak 1280156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_CHECK_) 12813bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// INTERNAL IMPLEMENTATION - DO NOT USE. 12823bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 12833bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition 12843bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// is not satisfied. 12853bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// Synopsys: 12863bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// GTEST_CHECK_(boolean_condition); 12873bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// or 12883bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// GTEST_CHECK_(boolean_condition) << "Additional message"; 12893bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 12903bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// This checks the condition and if the condition is not satisfied 12913bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// it prints message about the condition violation, including the 12923bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// condition itself, plus additional message streamed into it, if any, 12933bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// and then it aborts the program. It aborts the program irrespective of 12943bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// whether it is built in the debug mode or not. 1295156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_CHECK_(condition) \ 12963bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 12973bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan if (::testing::internal::IsTrue(condition)) \ 12983bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan ; \ 12993bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan else \ 13003bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan GTEST_LOG_(FATAL) << "Condition " #condition " failed. " 1301156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_CHECK_) 13023bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 13034879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// An all-mode assert to verify that the given POSIX-style function 13044879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// call returns 0 (indicating success). Known limitation: this 13054879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// doesn't expand to a balanced 'if' statement, so enclose the macro 13064879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// in {} if you need to use it as the only statement in an 'if' 13074879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// branch. 13084879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan#define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \ 13094879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan if (const int gtest_error = (posix_call)) \ 13104879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ 13114879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan << gtest_error 13124879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan 1313d3d142ef1cc4956307d3a248e52b9f826f305048kosak#if GTEST_HAS_STD_MOVE_ 1314d3d142ef1cc4956307d3a248e52b9f826f305048kosakusing std::move; 131571271d2c95fdf54a3782edea360dca188f926019kosak#else // GTEST_HAS_STD_MOVE_ 1316d3d142ef1cc4956307d3a248e52b9f826f305048kosaktemplate <typename T> 1317d3d142ef1cc4956307d3a248e52b9f826f305048kosakconst T& move(const T& t) { 1318d3d142ef1cc4956307d3a248e52b9f826f305048kosak return t; 1319d3d142ef1cc4956307d3a248e52b9f826f305048kosak} 1320d3d142ef1cc4956307d3a248e52b9f826f305048kosak#endif // GTEST_HAS_STD_MOVE_ 1321d3d142ef1cc4956307d3a248e52b9f826f305048kosak 1322e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. 1323e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// 1324a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// Use ImplicitCast_ as a safe version of static_cast for upcasting in 13252ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a 1326a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// const Foo*). When you use ImplicitCast_, the compiler checks that 1327a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// the cast is safe. Such explicit ImplicitCast_s are necessary in 13282ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// surprisingly many situations where C++ demands an exact type match 13292ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// instead of an argument type convertable to a target type. 13302ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 1331a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// The syntax for using ImplicitCast_ is the same as for static_cast: 13322ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 1333a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// ImplicitCast_<ToType>(expr) 13342ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// 1335a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// ImplicitCast_ would have been part of the C++ standard library, 13362ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// but the proposal was submitted too late. It will probably make 13372ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// its way into the language in the future. 1338a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// 1339a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// This relatively ugly name is intentional. It prevents clashes with 1340a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// similar functions users may have (e.g., implicit_cast). The internal 1341a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// namespace alone is not enough because the function can be found by ADL. 13422ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wantemplate<typename To> 134301e229bacf8643eb47938e2ccf34372c7b177921kosakinline To ImplicitCast_(To x) { return x; } 13442ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 13452ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// When you upcast (that is, cast a pointer from type Foo to type 1346a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts 13472ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// always succeed. When you downcast (that is, cast a pointer from 13482ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because 13492ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// how do you know the pointer is really of type SubclassOfFoo? It 13502ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, 13512ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// when you downcast, you should use this macro. In debug mode, we 13522ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// use dynamic_cast<> to double-check the downcast is legal (we die 13532ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// if it's not). In normal mode, we do the efficient static_cast<> 13542ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// instead. Thus, it's important to test in debug mode to make sure 13552ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// the cast is legal! 13562ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// This is the only place in the code we should use dynamic_cast<>. 13572ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// In particular, you SHOULDN'T be using dynamic_cast<> in order to 13582ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// do RTTI (eg code like this: 13592ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); 13602ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); 13612ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan// You should design the code some other way not to need this. 1362a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// 1363a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// This relatively ugly name is intentional. It prevents clashes with 1364a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// similar functions users may have (e.g., down_cast). The internal 1365a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev// namespace alone is not enough because the function can be found by ADL. 1366a198966dd349f446f0ab065e5576db7ac1e48e63vladlosevtemplate<typename To, typename From> // use like this: DownCast_<T*>(foo); 1367a198966dd349f446f0ab065e5576db7ac1e48e63vladlosevinline To DownCast_(From* f) { // so we only accept pointers 13682ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan // Ensures that To is a sub-type of From *. This test is here only 13692ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan // for compile-time type checking, and has no overhead in an 13702ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan // optimized build at run-time, as it will be optimized away 13712ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan // completely. 13728120f66c3249e253f03fdb48bee7e528bc038d31billydonahue GTEST_INTENTIONAL_CONST_COND_PUSH_() 13732ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan if (false) { 13748120f66c3249e253f03fdb48bee7e528bc038d31billydonahue GTEST_INTENTIONAL_CONST_COND_POP_() 13752ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan const To to = NULL; 1376a198966dd349f446f0ab065e5576db7ac1e48e63vladlosev ::testing::internal::ImplicitCast_<From*>(to); 13772ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan } 13782ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 13792ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#if GTEST_HAS_RTTI 13802ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan // RTTI: debug mode only! 13812ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); 13822ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan#endif 13832ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan return static_cast<To>(f); 13842ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan} 13852ccea88c99d1ae23383d1b8eb3680a4a4d2edd66zhanyong.wan 1386e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// Downcasts the pointer of type Base to Derived. 1387e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// Derived must be a subclass of Base. The parameter MUST 1388e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// point to a class of type Derived, not any subclass of it. 1389e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// When RTTI is available, the function performs a runtime 1390e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// check to enforce this. 1391e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wantemplate <class Derived, class Base> 1392e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wanDerived* CheckedDowncastToActualType(Base* base) { 1393e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#if GTEST_HAS_RTTI 1394e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan GTEST_CHECK_(typeid(*base) == typeid(Derived)); 1395156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif 1396156d1b513b90deca6287c737e3e6453dc7f64d35kosak 1397156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if GTEST_HAS_DOWNCAST_ 1398156d1b513b90deca6287c737e3e6453dc7f64d35kosak return ::down_cast<Derived*>(base); 1399156d1b513b90deca6287c737e3e6453dc7f64d35kosak#elif GTEST_HAS_RTTI 1400e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan return dynamic_cast<Derived*>(base); // NOLINT 1401e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan#else 1402e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan return static_cast<Derived*>(base); // Poor man's downcast. 140392344b762a86bd73d79a0db8999ece92fb5069fazhanyong.wan#endif 1404e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan} 1405e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 140635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#if GTEST_HAS_STREAM_REDIRECTION 1407fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan 1408d201456903f3ecae1f7794edfab0d5678e64226shiqian// Defines the stderr capturer: 1409fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// CaptureStdout - starts capturing stdout. 1410fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// GetCapturedStdout - stops capturing stdout and returns the captured string. 1411d201456903f3ecae1f7794edfab0d5678e64226shiqian// CaptureStderr - starts capturing stderr. 1412d201456903f3ecae1f7794edfab0d5678e64226shiqian// GetCapturedStderr - stops capturing stderr and returns the captured string. 1413fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan// 14149f0824b0a61b50fd40e47da2387cd9b3f872ce47zhanyong.wanGTEST_API_ void CaptureStdout(); 141587fdda2cf24d953f3cbec1e0c266b2db9928f406jgmGTEST_API_ std::string GetCapturedStdout(); 14169f0824b0a61b50fd40e47da2387cd9b3f872ce47zhanyong.wanGTEST_API_ void CaptureStderr(); 141787fdda2cf24d953f3cbec1e0c266b2db9928f406jgmGTEST_API_ std::string GetCapturedStderr(); 14184984c93490eeeb7d3d1979b30a39a21cad07cba5zhanyong.wan 141935c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan#endif // GTEST_HAS_STREAM_REDIRECTION 1420fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan 1421195610d30c2234b76bef70a85426ac8d7dbdf9f3kosak// Returns a path to temporary directory. 1422195610d30c2234b76bef70a85426ac8d7dbdf9f3kosakGTEST_API_ std::string TempDir(); 1423195610d30c2234b76bef70a85426ac8d7dbdf9f3kosak 1424195610d30c2234b76bef70a85426ac8d7dbdf9f3kosak// Returns the size (in bytes) of a file. 1425195610d30c2234b76bef70a85426ac8d7dbdf9f3kosakGTEST_API_ size_t GetFileSize(FILE* file); 1426195610d30c2234b76bef70a85426ac8d7dbdf9f3kosak 1427195610d30c2234b76bef70a85426ac8d7dbdf9f3kosak// Reads the entire content of a file as a string. 1428195610d30c2234b76bef70a85426ac8d7dbdf9f3kosakGTEST_API_ std::string ReadEntireFile(FILE* file); 1429fd6f2a8a4b3fe8beb31f26b774b460727c410b66zhanyong.wan 1430f972f1680aa5de3230dac197b223336f30210f69kosak// All command line arguments. 1431f972f1680aa5de3230dac197b223336f30210f69kosakGTEST_API_ const ::std::vector<testing::internal::string>& GetArgvs(); 1432f972f1680aa5de3230dac197b223336f30210f69kosak 14330af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan#if GTEST_HAS_DEATH_TEST 1434d201456903f3ecae1f7794edfab0d5678e64226shiqian 143569a40b7d4ab4171cbe4ef920e7a5171109e2064cvladlosevconst ::std::vector<testing::internal::string>& GetInjectableArgvs(); 143669a40b7d4ab4171cbe4ef920e7a5171109e2064cvladlosevvoid SetInjectableArgvs(const ::std::vector<testing::internal::string>* 143769a40b7d4ab4171cbe4ef920e7a5171109e2064cvladlosev new_argvs); 1438d201456903f3ecae1f7794edfab0d5678e64226shiqian 1439d201456903f3ecae1f7794edfab0d5678e64226shiqian 1440d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_HAS_DEATH_TEST 1441d201456903f3ecae1f7794edfab0d5678e64226shiqian 1442d201456903f3ecae1f7794edfab0d5678e64226shiqian// Defines synchronization primitives. 1443a6340420b9cee27f77c5b91bea807121914a5831kosak#if GTEST_IS_THREADSAFE 1444a6340420b9cee27f77c5b91bea807121914a5831kosak# if GTEST_HAS_PTHREAD 1445a6340420b9cee27f77c5b91bea807121914a5831kosak// Sleeps for (roughly) n milliseconds. This function is only for testing 1446a6340420b9cee27f77c5b91bea807121914a5831kosak// Google Test's own constructs. Don't use it in user tests, either 1447a6340420b9cee27f77c5b91bea807121914a5831kosak// directly or indirectly. 144812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.waninline void SleepMilliseconds(int n) { 144912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan const timespec time = { 145012a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 0, // 0 seconds. 145112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan n * 1000L * 1000L, // And n ms. 145212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan }; 145312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan nanosleep(&time, NULL); 145412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan} 1455a6340420b9cee27f77c5b91bea807121914a5831kosak# endif // GTEST_HAS_PTHREAD 145612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 1457156d1b513b90deca6287c737e3e6453dc7f64d35kosak# if GTEST_HAS_NOTIFICATION_ 1458156d1b513b90deca6287c737e3e6453dc7f64d35kosak// Notification has already been imported into the namespace. 1459156d1b513b90deca6287c737e3e6453dc7f64d35kosak// Nothing to do here. 1460156d1b513b90deca6287c737e3e6453dc7f64d35kosak 1461a6340420b9cee27f77c5b91bea807121914a5831kosak# elif GTEST_HAS_PTHREAD 146212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// Allows a controller thread to pause execution of newly created 146312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// threads until notified. Instances of this class must be created 146412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// and destroyed in the controller thread. 146512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// 146612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// This class is only for testing Google Test's own constructs. Do not 146712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// use it in user tests, either directly or indirectly. 146812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wanclass Notification { 146912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan public: 1470cfb40870bc74dc57616e286461a89c9f259b349djgm Notification() : notified_(false) { 1471cfb40870bc74dc57616e286461a89c9f259b349djgm GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); 1472cfb40870bc74dc57616e286461a89c9f259b349djgm } 1473cfb40870bc74dc57616e286461a89c9f259b349djgm ~Notification() { 1474cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_destroy(&mutex_); 1475cfb40870bc74dc57616e286461a89c9f259b349djgm } 147612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 147712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // Notifies all threads created with this notification to start. Must 147812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // be called from the controller thread. 1479cfb40870bc74dc57616e286461a89c9f259b349djgm void Notify() { 1480cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_lock(&mutex_); 1481cfb40870bc74dc57616e286461a89c9f259b349djgm notified_ = true; 1482cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_unlock(&mutex_); 1483cfb40870bc74dc57616e286461a89c9f259b349djgm } 148412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 148512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // Blocks until the controller thread notifies. Must be called from a test 148612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // thread. 148712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan void WaitForNotification() { 1488cfb40870bc74dc57616e286461a89c9f259b349djgm for (;;) { 1489cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_lock(&mutex_); 1490cfb40870bc74dc57616e286461a89c9f259b349djgm const bool notified = notified_; 1491cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_unlock(&mutex_); 1492cfb40870bc74dc57616e286461a89c9f259b349djgm if (notified) 1493cfb40870bc74dc57616e286461a89c9f259b349djgm break; 149412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan SleepMilliseconds(10); 149512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan } 149612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan } 149712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 149812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan private: 1499cfb40870bc74dc57616e286461a89c9f259b349djgm pthread_mutex_t mutex_; 1500cfb40870bc74dc57616e286461a89c9f259b349djgm bool notified_; 150112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 150212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); 150312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan}; 150412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 1505bd263344f9e930ab7d3558c1b7706a55739737cbkosak# elif GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT 1506a6340420b9cee27f77c5b91bea807121914a5831kosak 1507a6340420b9cee27f77c5b91bea807121914a5831kosakGTEST_API_ void SleepMilliseconds(int n); 1508a6340420b9cee27f77c5b91bea807121914a5831kosak 1509a6340420b9cee27f77c5b91bea807121914a5831kosak// Provides leak-safe Windows kernel handle ownership. 1510a6340420b9cee27f77c5b91bea807121914a5831kosak// Used in death tests and in threading support. 1511a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTEST_API_ AutoHandle { 1512a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1513a6340420b9cee27f77c5b91bea807121914a5831kosak // Assume that Win32 HANDLE type is equivalent to void*. Doing so allows us to 1514a6340420b9cee27f77c5b91bea807121914a5831kosak // avoid including <windows.h> in this header file. Including <windows.h> is 1515a6340420b9cee27f77c5b91bea807121914a5831kosak // undesirable because it defines a lot of symbols and macros that tend to 1516a6340420b9cee27f77c5b91bea807121914a5831kosak // conflict with client code. This assumption is verified by 1517a6340420b9cee27f77c5b91bea807121914a5831kosak // WindowsTypesTest.HANDLEIsVoidStar. 1518a6340420b9cee27f77c5b91bea807121914a5831kosak typedef void* Handle; 1519a6340420b9cee27f77c5b91bea807121914a5831kosak AutoHandle(); 1520a6340420b9cee27f77c5b91bea807121914a5831kosak explicit AutoHandle(Handle handle); 1521a6340420b9cee27f77c5b91bea807121914a5831kosak 1522a6340420b9cee27f77c5b91bea807121914a5831kosak ~AutoHandle(); 1523a6340420b9cee27f77c5b91bea807121914a5831kosak 1524a6340420b9cee27f77c5b91bea807121914a5831kosak Handle Get() const; 1525a6340420b9cee27f77c5b91bea807121914a5831kosak void Reset(); 1526a6340420b9cee27f77c5b91bea807121914a5831kosak void Reset(Handle handle); 1527a6340420b9cee27f77c5b91bea807121914a5831kosak 1528a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1529a6340420b9cee27f77c5b91bea807121914a5831kosak // Returns true iff the handle is a valid handle object that can be closed. 1530a6340420b9cee27f77c5b91bea807121914a5831kosak bool IsCloseable() const; 1531a6340420b9cee27f77c5b91bea807121914a5831kosak 1532a6340420b9cee27f77c5b91bea807121914a5831kosak Handle handle_; 1533a6340420b9cee27f77c5b91bea807121914a5831kosak 1534a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(AutoHandle); 1535a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1536a6340420b9cee27f77c5b91bea807121914a5831kosak 1537a6340420b9cee27f77c5b91bea807121914a5831kosak// Allows a controller thread to pause execution of newly created 1538a6340420b9cee27f77c5b91bea807121914a5831kosak// threads until notified. Instances of this class must be created 1539a6340420b9cee27f77c5b91bea807121914a5831kosak// and destroyed in the controller thread. 1540a6340420b9cee27f77c5b91bea807121914a5831kosak// 1541a6340420b9cee27f77c5b91bea807121914a5831kosak// This class is only for testing Google Test's own constructs. Do not 1542a6340420b9cee27f77c5b91bea807121914a5831kosak// use it in user tests, either directly or indirectly. 1543a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTEST_API_ Notification { 1544a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1545a6340420b9cee27f77c5b91bea807121914a5831kosak Notification(); 1546a6340420b9cee27f77c5b91bea807121914a5831kosak void Notify(); 1547a6340420b9cee27f77c5b91bea807121914a5831kosak void WaitForNotification(); 1548a6340420b9cee27f77c5b91bea807121914a5831kosak 1549a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1550a6340420b9cee27f77c5b91bea807121914a5831kosak AutoHandle event_; 1551a6340420b9cee27f77c5b91bea807121914a5831kosak 1552a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); 1553a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1554156d1b513b90deca6287c737e3e6453dc7f64d35kosak# endif // GTEST_HAS_NOTIFICATION_ 1555a6340420b9cee27f77c5b91bea807121914a5831kosak 1556a6340420b9cee27f77c5b91bea807121914a5831kosak// On MinGW, we can have both GTEST_OS_WINDOWS and GTEST_HAS_PTHREAD 1557a6340420b9cee27f77c5b91bea807121914a5831kosak// defined, but we don't want to use MinGW's pthreads implementation, which 1558a6340420b9cee27f77c5b91bea807121914a5831kosak// has conformance problems with some versions of the POSIX standard. 1559a6340420b9cee27f77c5b91bea807121914a5831kosak# if GTEST_HAS_PTHREAD && !GTEST_OS_WINDOWS_MINGW 1560a6340420b9cee27f77c5b91bea807121914a5831kosak 156106d04c0945bf47bae90532552e6e8294802fc9aavladlosev// As a C-function, ThreadFuncWithCLinkage cannot be templated itself. 156206d04c0945bf47bae90532552e6e8294802fc9aavladlosev// Consequently, it cannot select a correct instantiation of ThreadWithParam 156306d04c0945bf47bae90532552e6e8294802fc9aavladlosev// in order to call its Run(). Introducing ThreadWithParamBase as a 156406d04c0945bf47bae90532552e6e8294802fc9aavladlosev// non-templated base class for ThreadWithParam allows us to bypass this 156506d04c0945bf47bae90532552e6e8294802fc9aavladlosev// problem. 156606d04c0945bf47bae90532552e6e8294802fc9aavladlosevclass ThreadWithParamBase { 156706d04c0945bf47bae90532552e6e8294802fc9aavladlosev public: 156806d04c0945bf47bae90532552e6e8294802fc9aavladlosev virtual ~ThreadWithParamBase() {} 156906d04c0945bf47bae90532552e6e8294802fc9aavladlosev virtual void Run() = 0; 157006d04c0945bf47bae90532552e6e8294802fc9aavladlosev}; 157106d04c0945bf47bae90532552e6e8294802fc9aavladlosev 157206d04c0945bf47bae90532552e6e8294802fc9aavladlosev// pthread_create() accepts a pointer to a function type with the C linkage. 157306d04c0945bf47bae90532552e6e8294802fc9aavladlosev// According to the Standard (7.5/1), function types with different linkages 157406d04c0945bf47bae90532552e6e8294802fc9aavladlosev// are different even if they are otherwise identical. Some compilers (for 157506d04c0945bf47bae90532552e6e8294802fc9aavladlosev// example, SunStudio) treat them as different types. Since class methods 157606d04c0945bf47bae90532552e6e8294802fc9aavladlosev// cannot be defined with C-linkage we need to define a free C-function to 157706d04c0945bf47bae90532552e6e8294802fc9aavladlosev// pass into pthread_create(). 157806d04c0945bf47bae90532552e6e8294802fc9aavladlosevextern "C" inline void* ThreadFuncWithCLinkage(void* thread) { 157906d04c0945bf47bae90532552e6e8294802fc9aavladlosev static_cast<ThreadWithParamBase*>(thread)->Run(); 158006d04c0945bf47bae90532552e6e8294802fc9aavladlosev return NULL; 158106d04c0945bf47bae90532552e6e8294802fc9aavladlosev} 158206d04c0945bf47bae90532552e6e8294802fc9aavladlosev 158312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// Helper class for testing Google Test's multi-threading constructs. 1584542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan// To use it, write: 158512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// 158612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// void ThreadFunc(int param) { /* Do things with param */ } 158712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// Notification thread_can_start; 158812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// ... 158912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// // The thread_can_start parameter is optional; you can supply NULL. 159012a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start); 159112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// thread_can_start.Notify(); 159212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// 159312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// These classes are only for testing Google Test's own constructs. Do 159412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan// not use them in user tests, either directly or indirectly. 159512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wantemplate <typename T> 159606d04c0945bf47bae90532552e6e8294802fc9aavladlosevclass ThreadWithParam : public ThreadWithParamBase { 159712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan public: 1598a6340420b9cee27f77c5b91bea807121914a5831kosak typedef void UserThreadFunc(T); 159912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 1600a6340420b9cee27f77c5b91bea807121914a5831kosak ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start) 160112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan : func_(func), 160212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan param_(param), 160312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan thread_can_start_(thread_can_start), 1604542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan finished_(false) { 1605e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan ThreadWithParamBase* const base = this; 1606542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan // The thread can be created only after all fields except thread_ 1607542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan // have been initialized. 1608542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan GTEST_CHECK_POSIX_SUCCESS_( 1609e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); 1610542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan } 1611542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan ~ThreadWithParam() { Join(); } 161212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 161312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan void Join() { 161412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan if (!finished_) { 1615542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); 161612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan finished_ = true; 161712a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan } 161812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan } 161912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 162006d04c0945bf47bae90532552e6e8294802fc9aavladlosev virtual void Run() { 162112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan if (thread_can_start_ != NULL) 162212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan thread_can_start_->WaitForNotification(); 162312a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan func_(param_); 162412a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan } 162512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 162606d04c0945bf47bae90532552e6e8294802fc9aavladlosev private: 1627a6340420b9cee27f77c5b91bea807121914a5831kosak UserThreadFunc* const func_; // User-supplied thread function. 162812a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan const T param_; // User-supplied parameter to the thread function. 162912a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // When non-NULL, used to block execution until the controller thread 163012a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan // notifies. 163112a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan Notification* const thread_can_start_; 163212a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan bool finished_; // true iff we know that the thread function has finished. 1633542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan pthread_t thread_; // The native thread object. 1634542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan 1635542b41e5d010cf0a18a37252d5f4b05cfa5408afzhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); 163612a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan}; 1637156d1b513b90deca6287c737e3e6453dc7f64d35kosak# endif // !GTEST_OS_WINDOWS && GTEST_HAS_PTHREAD || 1638156d1b513b90deca6287c737e3e6453dc7f64d35kosak // GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ 1639156d1b513b90deca6287c737e3e6453dc7f64d35kosak 1640156d1b513b90deca6287c737e3e6453dc7f64d35kosak# if GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ 1641156d1b513b90deca6287c737e3e6453dc7f64d35kosak// Mutex and ThreadLocal have already been imported into the namespace. 1642156d1b513b90deca6287c737e3e6453dc7f64d35kosak// Nothing to do here. 1643a6340420b9cee27f77c5b91bea807121914a5831kosak 1644bd263344f9e930ab7d3558c1b7706a55739737cbkosak# elif GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT 164512a92c26fc0e0de81f687dbe739a6aa24f37f9ddzhanyong.wan 1646a6340420b9cee27f77c5b91bea807121914a5831kosak// Mutex implements mutex on Windows platforms. It is used in conjunction 1647a6340420b9cee27f77c5b91bea807121914a5831kosak// with class MutexLock: 16483bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 16494879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// Mutex mutex; 16504879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// ... 1651a6340420b9cee27f77c5b91bea807121914a5831kosak// MutexLock lock(&mutex); // Acquires the mutex and releases it at the 1652a6340420b9cee27f77c5b91bea807121914a5831kosak// // end of the current scope. 16533bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 1654a6340420b9cee27f77c5b91bea807121914a5831kosak// A static Mutex *must* be defined or declared using one of the following 1655a6340420b9cee27f77c5b91bea807121914a5831kosak// macros: 16564879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex); 1657a6340420b9cee27f77c5b91bea807121914a5831kosak// GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex); 1658a6340420b9cee27f77c5b91bea807121914a5831kosak// 1659a6340420b9cee27f77c5b91bea807121914a5831kosak// (A non-static Mutex is defined/declared in the usual way). 1660a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTEST_API_ Mutex { 1661a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1662a6340420b9cee27f77c5b91bea807121914a5831kosak enum MutexType { kStatic = 0, kDynamic = 1 }; 1663a6340420b9cee27f77c5b91bea807121914a5831kosak // We rely on kStaticMutex being 0 as it is to what the linker initializes 1664a6340420b9cee27f77c5b91bea807121914a5831kosak // type_ in static mutexes. critical_section_ will be initialized lazily 1665a6340420b9cee27f77c5b91bea807121914a5831kosak // in ThreadSafeLazyInit(). 1666a6340420b9cee27f77c5b91bea807121914a5831kosak enum StaticConstructorSelector { kStaticMutex = 0 }; 1667a6340420b9cee27f77c5b91bea807121914a5831kosak 1668a6340420b9cee27f77c5b91bea807121914a5831kosak // This constructor intentionally does nothing. It relies on type_ being 1669a6340420b9cee27f77c5b91bea807121914a5831kosak // statically initialized to 0 (effectively setting it to kStatic) and on 1670a6340420b9cee27f77c5b91bea807121914a5831kosak // ThreadSafeLazyInit() to lazily initialize the rest of the members. 1671a6340420b9cee27f77c5b91bea807121914a5831kosak explicit Mutex(StaticConstructorSelector /*dummy*/) {} 1672a6340420b9cee27f77c5b91bea807121914a5831kosak 1673a6340420b9cee27f77c5b91bea807121914a5831kosak Mutex(); 1674a6340420b9cee27f77c5b91bea807121914a5831kosak ~Mutex(); 1675a6340420b9cee27f77c5b91bea807121914a5831kosak 1676a6340420b9cee27f77c5b91bea807121914a5831kosak void Lock(); 1677a6340420b9cee27f77c5b91bea807121914a5831kosak 1678a6340420b9cee27f77c5b91bea807121914a5831kosak void Unlock(); 1679a6340420b9cee27f77c5b91bea807121914a5831kosak 1680a6340420b9cee27f77c5b91bea807121914a5831kosak // Does nothing if the current thread holds the mutex. Otherwise, crashes 1681a6340420b9cee27f77c5b91bea807121914a5831kosak // with high probability. 1682a6340420b9cee27f77c5b91bea807121914a5831kosak void AssertHeld(); 1683a6340420b9cee27f77c5b91bea807121914a5831kosak 1684a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1685a6340420b9cee27f77c5b91bea807121914a5831kosak // Initializes owner_thread_id_ and critical_section_ in static mutexes. 1686a6340420b9cee27f77c5b91bea807121914a5831kosak void ThreadSafeLazyInit(); 1687a6340420b9cee27f77c5b91bea807121914a5831kosak 1688a6340420b9cee27f77c5b91bea807121914a5831kosak // Per http://blogs.msdn.com/b/oldnewthing/archive/2004/02/23/78395.aspx, 1689a6340420b9cee27f77c5b91bea807121914a5831kosak // we assume that 0 is an invalid value for thread IDs. 1690a6340420b9cee27f77c5b91bea807121914a5831kosak unsigned int owner_thread_id_; 1691a6340420b9cee27f77c5b91bea807121914a5831kosak 1692a6340420b9cee27f77c5b91bea807121914a5831kosak // For static mutexes, we rely on these members being initialized to zeros 1693a6340420b9cee27f77c5b91bea807121914a5831kosak // by the linker. 1694a6340420b9cee27f77c5b91bea807121914a5831kosak MutexType type_; 1695a6340420b9cee27f77c5b91bea807121914a5831kosak long critical_section_init_phase_; // NOLINT 1696a6340420b9cee27f77c5b91bea807121914a5831kosak _RTL_CRITICAL_SECTION* critical_section_; 1697a6340420b9cee27f77c5b91bea807121914a5831kosak 1698a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); 1699a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1700a6340420b9cee27f77c5b91bea807121914a5831kosak 1701a6340420b9cee27f77c5b91bea807121914a5831kosak# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 1702a6340420b9cee27f77c5b91bea807121914a5831kosak extern ::testing::internal::Mutex mutex 1703a6340420b9cee27f77c5b91bea807121914a5831kosak 1704a6340420b9cee27f77c5b91bea807121914a5831kosak# define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ 1705a6340420b9cee27f77c5b91bea807121914a5831kosak ::testing::internal::Mutex mutex(::testing::internal::Mutex::kStaticMutex) 1706a6340420b9cee27f77c5b91bea807121914a5831kosak 1707a6340420b9cee27f77c5b91bea807121914a5831kosak// We cannot name this class MutexLock because the ctor declaration would 1708a6340420b9cee27f77c5b91bea807121914a5831kosak// conflict with a macro named MutexLock, which is defined on some 1709a6340420b9cee27f77c5b91bea807121914a5831kosak// platforms. That macro is used as a defensive measure to prevent against 1710a6340420b9cee27f77c5b91bea807121914a5831kosak// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than 1711a6340420b9cee27f77c5b91bea807121914a5831kosak// "MutexLock l(&mu)". Hence the typedef trick below. 1712a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTestMutexLock { 1713a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1714a6340420b9cee27f77c5b91bea807121914a5831kosak explicit GTestMutexLock(Mutex* mutex) 1715a6340420b9cee27f77c5b91bea807121914a5831kosak : mutex_(mutex) { mutex_->Lock(); } 1716a6340420b9cee27f77c5b91bea807121914a5831kosak 1717a6340420b9cee27f77c5b91bea807121914a5831kosak ~GTestMutexLock() { mutex_->Unlock(); } 1718a6340420b9cee27f77c5b91bea807121914a5831kosak 1719a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1720a6340420b9cee27f77c5b91bea807121914a5831kosak Mutex* const mutex_; 1721a6340420b9cee27f77c5b91bea807121914a5831kosak 1722a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); 1723a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1724a6340420b9cee27f77c5b91bea807121914a5831kosak 1725a6340420b9cee27f77c5b91bea807121914a5831kosaktypedef GTestMutexLock MutexLock; 1726a6340420b9cee27f77c5b91bea807121914a5831kosak 1727a6340420b9cee27f77c5b91bea807121914a5831kosak// Base class for ValueHolder<T>. Allows a caller to hold and delete a value 1728a6340420b9cee27f77c5b91bea807121914a5831kosak// without knowing its type. 1729a6340420b9cee27f77c5b91bea807121914a5831kosakclass ThreadLocalValueHolderBase { 1730a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1731a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~ThreadLocalValueHolderBase() {} 1732a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1733a6340420b9cee27f77c5b91bea807121914a5831kosak 1734a6340420b9cee27f77c5b91bea807121914a5831kosak// Provides a way for a thread to send notifications to a ThreadLocal 1735a6340420b9cee27f77c5b91bea807121914a5831kosak// regardless of its parameter type. 1736a6340420b9cee27f77c5b91bea807121914a5831kosakclass ThreadLocalBase { 1737a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1738a6340420b9cee27f77c5b91bea807121914a5831kosak // Creates a new ValueHolder<T> object holding a default value passed to 1739a6340420b9cee27f77c5b91bea807121914a5831kosak // this ThreadLocal<T>'s constructor and returns it. It is the caller's 1740a6340420b9cee27f77c5b91bea807121914a5831kosak // responsibility not to call this when the ThreadLocal<T> instance already 1741a6340420b9cee27f77c5b91bea807121914a5831kosak // has a value on the current thread. 1742a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ThreadLocalValueHolderBase* NewValueForCurrentThread() const = 0; 1743a6340420b9cee27f77c5b91bea807121914a5831kosak 1744a6340420b9cee27f77c5b91bea807121914a5831kosak protected: 1745a6340420b9cee27f77c5b91bea807121914a5831kosak ThreadLocalBase() {} 1746a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~ThreadLocalBase() {} 1747a6340420b9cee27f77c5b91bea807121914a5831kosak 1748a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1749a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocalBase); 1750a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1751a6340420b9cee27f77c5b91bea807121914a5831kosak 1752a6340420b9cee27f77c5b91bea807121914a5831kosak// Maps a thread to a set of ThreadLocals that have values instantiated on that 1753a6340420b9cee27f77c5b91bea807121914a5831kosak// thread and notifies them when the thread exits. A ThreadLocal instance is 1754a6340420b9cee27f77c5b91bea807121914a5831kosak// expected to persist until all threads it has values on have terminated. 1755a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTEST_API_ ThreadLocalRegistry { 1756a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1757a6340420b9cee27f77c5b91bea807121914a5831kosak // Registers thread_local_instance as having value on the current thread. 1758a6340420b9cee27f77c5b91bea807121914a5831kosak // Returns a value that can be used to identify the thread from other threads. 1759a6340420b9cee27f77c5b91bea807121914a5831kosak static ThreadLocalValueHolderBase* GetValueOnCurrentThread( 1760a6340420b9cee27f77c5b91bea807121914a5831kosak const ThreadLocalBase* thread_local_instance); 1761a6340420b9cee27f77c5b91bea807121914a5831kosak 1762a6340420b9cee27f77c5b91bea807121914a5831kosak // Invoked when a ThreadLocal instance is destroyed. 1763a6340420b9cee27f77c5b91bea807121914a5831kosak static void OnThreadLocalDestroyed( 1764a6340420b9cee27f77c5b91bea807121914a5831kosak const ThreadLocalBase* thread_local_instance); 1765a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1766a6340420b9cee27f77c5b91bea807121914a5831kosak 1767a6340420b9cee27f77c5b91bea807121914a5831kosakclass GTEST_API_ ThreadWithParamBase { 1768a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1769a6340420b9cee27f77c5b91bea807121914a5831kosak void Join(); 1770a6340420b9cee27f77c5b91bea807121914a5831kosak 1771a6340420b9cee27f77c5b91bea807121914a5831kosak protected: 1772a6340420b9cee27f77c5b91bea807121914a5831kosak class Runnable { 1773a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1774a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~Runnable() {} 1775a6340420b9cee27f77c5b91bea807121914a5831kosak virtual void Run() = 0; 1776a6340420b9cee27f77c5b91bea807121914a5831kosak }; 1777a6340420b9cee27f77c5b91bea807121914a5831kosak 1778a6340420b9cee27f77c5b91bea807121914a5831kosak ThreadWithParamBase(Runnable *runnable, Notification* thread_can_start); 1779a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~ThreadWithParamBase(); 1780a6340420b9cee27f77c5b91bea807121914a5831kosak 1781a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1782a6340420b9cee27f77c5b91bea807121914a5831kosak AutoHandle thread_; 1783a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1784a6340420b9cee27f77c5b91bea807121914a5831kosak 1785a6340420b9cee27f77c5b91bea807121914a5831kosak// Helper class for testing Google Test's multi-threading constructs. 1786a6340420b9cee27f77c5b91bea807121914a5831kosaktemplate <typename T> 1787a6340420b9cee27f77c5b91bea807121914a5831kosakclass ThreadWithParam : public ThreadWithParamBase { 1788a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1789a6340420b9cee27f77c5b91bea807121914a5831kosak typedef void UserThreadFunc(T); 1790a6340420b9cee27f77c5b91bea807121914a5831kosak 1791a6340420b9cee27f77c5b91bea807121914a5831kosak ThreadWithParam(UserThreadFunc* func, T param, Notification* thread_can_start) 1792a6340420b9cee27f77c5b91bea807121914a5831kosak : ThreadWithParamBase(new RunnableImpl(func, param), thread_can_start) { 1793a6340420b9cee27f77c5b91bea807121914a5831kosak } 1794a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~ThreadWithParam() {} 1795a6340420b9cee27f77c5b91bea807121914a5831kosak 1796a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1797a6340420b9cee27f77c5b91bea807121914a5831kosak class RunnableImpl : public Runnable { 1798a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1799a6340420b9cee27f77c5b91bea807121914a5831kosak RunnableImpl(UserThreadFunc* func, T param) 1800a6340420b9cee27f77c5b91bea807121914a5831kosak : func_(func), 1801a6340420b9cee27f77c5b91bea807121914a5831kosak param_(param) { 1802a6340420b9cee27f77c5b91bea807121914a5831kosak } 1803a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ~RunnableImpl() {} 1804a6340420b9cee27f77c5b91bea807121914a5831kosak virtual void Run() { 1805a6340420b9cee27f77c5b91bea807121914a5831kosak func_(param_); 1806a6340420b9cee27f77c5b91bea807121914a5831kosak } 1807a6340420b9cee27f77c5b91bea807121914a5831kosak 1808a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1809a6340420b9cee27f77c5b91bea807121914a5831kosak UserThreadFunc* const func_; 1810a6340420b9cee27f77c5b91bea807121914a5831kosak const T param_; 1811a6340420b9cee27f77c5b91bea807121914a5831kosak 1812a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(RunnableImpl); 1813a6340420b9cee27f77c5b91bea807121914a5831kosak }; 1814a6340420b9cee27f77c5b91bea807121914a5831kosak 1815a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); 1816a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1817a6340420b9cee27f77c5b91bea807121914a5831kosak 1818a6340420b9cee27f77c5b91bea807121914a5831kosak// Implements thread-local storage on Windows systems. 1819a6340420b9cee27f77c5b91bea807121914a5831kosak// 1820a6340420b9cee27f77c5b91bea807121914a5831kosak// // Thread 1 1821a6340420b9cee27f77c5b91bea807121914a5831kosak// ThreadLocal<int> tl(100); // 100 is the default value for each thread. 18223bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 1823a6340420b9cee27f77c5b91bea807121914a5831kosak// // Thread 2 1824a6340420b9cee27f77c5b91bea807121914a5831kosak// tl.set(150); // Changes the value for thread 2 only. 1825a6340420b9cee27f77c5b91bea807121914a5831kosak// EXPECT_EQ(150, tl.get()); 18263bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 1827a6340420b9cee27f77c5b91bea807121914a5831kosak// // Thread 1 1828a6340420b9cee27f77c5b91bea807121914a5831kosak// EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value. 1829a6340420b9cee27f77c5b91bea807121914a5831kosak// tl.set(200); 1830a6340420b9cee27f77c5b91bea807121914a5831kosak// EXPECT_EQ(200, tl.get()); 1831a6340420b9cee27f77c5b91bea807121914a5831kosak// 1832a6340420b9cee27f77c5b91bea807121914a5831kosak// The template type argument T must have a public copy constructor. 1833a6340420b9cee27f77c5b91bea807121914a5831kosak// In addition, the default ThreadLocal constructor requires T to have 1834a6340420b9cee27f77c5b91bea807121914a5831kosak// a public default constructor. 1835a6340420b9cee27f77c5b91bea807121914a5831kosak// 1836a6340420b9cee27f77c5b91bea807121914a5831kosak// The users of a TheadLocal instance have to make sure that all but one 1837a6340420b9cee27f77c5b91bea807121914a5831kosak// threads (including the main one) using that instance have exited before 1838a6340420b9cee27f77c5b91bea807121914a5831kosak// destroying it. Otherwise, the per-thread objects managed for them by the 1839a6340420b9cee27f77c5b91bea807121914a5831kosak// ThreadLocal instance are not guaranteed to be destroyed on all platforms. 18403bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// 1841a6340420b9cee27f77c5b91bea807121914a5831kosak// Google Test only uses global ThreadLocal objects. That means they 1842a6340420b9cee27f77c5b91bea807121914a5831kosak// will die after main() has returned. Therefore, no per-thread 1843a6340420b9cee27f77c5b91bea807121914a5831kosak// object managed by Google Test will be leaked as long as all threads 1844a6340420b9cee27f77c5b91bea807121914a5831kosak// using Google Test have exited when main() returns. 1845a6340420b9cee27f77c5b91bea807121914a5831kosaktemplate <typename T> 1846a6340420b9cee27f77c5b91bea807121914a5831kosakclass ThreadLocal : public ThreadLocalBase { 1847a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1848831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ThreadLocal() : default_factory_(new DefaultValueHolderFactory()) {} 1849831b87f2342df0ee2d13c466b400245bdf1c04f3kosak explicit ThreadLocal(const T& value) 1850831b87f2342df0ee2d13c466b400245bdf1c04f3kosak : default_factory_(new InstanceValueHolderFactory(value)) {} 1851a6340420b9cee27f77c5b91bea807121914a5831kosak 1852a6340420b9cee27f77c5b91bea807121914a5831kosak ~ThreadLocal() { ThreadLocalRegistry::OnThreadLocalDestroyed(this); } 1853a6340420b9cee27f77c5b91bea807121914a5831kosak 1854a6340420b9cee27f77c5b91bea807121914a5831kosak T* pointer() { return GetOrCreateValue(); } 1855a6340420b9cee27f77c5b91bea807121914a5831kosak const T* pointer() const { return GetOrCreateValue(); } 1856a6340420b9cee27f77c5b91bea807121914a5831kosak const T& get() const { return *pointer(); } 1857a6340420b9cee27f77c5b91bea807121914a5831kosak void set(const T& value) { *pointer() = value; } 1858a6340420b9cee27f77c5b91bea807121914a5831kosak 1859a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1860a6340420b9cee27f77c5b91bea807121914a5831kosak // Holds a value of T. Can be deleted via its base class without the caller 1861a6340420b9cee27f77c5b91bea807121914a5831kosak // knowing the type of T. 1862a6340420b9cee27f77c5b91bea807121914a5831kosak class ValueHolder : public ThreadLocalValueHolderBase { 1863a6340420b9cee27f77c5b91bea807121914a5831kosak public: 1864831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ValueHolder() : value_() {} 1865a6340420b9cee27f77c5b91bea807121914a5831kosak explicit ValueHolder(const T& value) : value_(value) {} 1866a6340420b9cee27f77c5b91bea807121914a5831kosak 1867a6340420b9cee27f77c5b91bea807121914a5831kosak T* pointer() { return &value_; } 1868a6340420b9cee27f77c5b91bea807121914a5831kosak 1869a6340420b9cee27f77c5b91bea807121914a5831kosak private: 1870a6340420b9cee27f77c5b91bea807121914a5831kosak T value_; 1871a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); 1872a6340420b9cee27f77c5b91bea807121914a5831kosak }; 1873a6340420b9cee27f77c5b91bea807121914a5831kosak 1874a6340420b9cee27f77c5b91bea807121914a5831kosak 1875a6340420b9cee27f77c5b91bea807121914a5831kosak T* GetOrCreateValue() const { 1876a6340420b9cee27f77c5b91bea807121914a5831kosak return static_cast<ValueHolder*>( 1877a6340420b9cee27f77c5b91bea807121914a5831kosak ThreadLocalRegistry::GetValueOnCurrentThread(this))->pointer(); 1878a6340420b9cee27f77c5b91bea807121914a5831kosak } 1879a6340420b9cee27f77c5b91bea807121914a5831kosak 1880a6340420b9cee27f77c5b91bea807121914a5831kosak virtual ThreadLocalValueHolderBase* NewValueForCurrentThread() const { 1881831b87f2342df0ee2d13c466b400245bdf1c04f3kosak return default_factory_->MakeNewHolder(); 1882a6340420b9cee27f77c5b91bea807121914a5831kosak } 1883a6340420b9cee27f77c5b91bea807121914a5831kosak 1884831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class ValueHolderFactory { 1885831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 1886831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ValueHolderFactory() {} 1887831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ~ValueHolderFactory() {} 1888831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const = 0; 1889831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1890831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 1891831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory); 1892831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 1893831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1894831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class DefaultValueHolderFactory : public ValueHolderFactory { 1895831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 1896831b87f2342df0ee2d13c466b400245bdf1c04f3kosak DefaultValueHolderFactory() {} 1897831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const { return new ValueHolder(); } 1898831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1899831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 1900831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory); 1901831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 1902831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1903831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class InstanceValueHolderFactory : public ValueHolderFactory { 1904831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 1905831b87f2342df0ee2d13c466b400245bdf1c04f3kosak explicit InstanceValueHolderFactory(const T& value) : value_(value) {} 1906831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const { 1907831b87f2342df0ee2d13c466b400245bdf1c04f3kosak return new ValueHolder(value_); 1908831b87f2342df0ee2d13c466b400245bdf1c04f3kosak } 1909831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1910831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 1911831b87f2342df0ee2d13c466b400245bdf1c04f3kosak const T value_; // The value for each thread. 1912831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1913831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory); 1914831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 1915831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 1916831b87f2342df0ee2d13c466b400245bdf1c04f3kosak scoped_ptr<ValueHolderFactory> default_factory_; 1917a6340420b9cee27f77c5b91bea807121914a5831kosak 1918a6340420b9cee27f77c5b91bea807121914a5831kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); 1919a6340420b9cee27f77c5b91bea807121914a5831kosak}; 1920a6340420b9cee27f77c5b91bea807121914a5831kosak 1921a6340420b9cee27f77c5b91bea807121914a5831kosak# elif GTEST_HAS_PTHREAD 1922a6340420b9cee27f77c5b91bea807121914a5831kosak 1923a6340420b9cee27f77c5b91bea807121914a5831kosak// MutexBase and Mutex implement mutex on pthreads-based platforms. 19243bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wanclass MutexBase { 19253bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan public: 19264879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // Acquires this mutex. 19274879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan void Lock() { 19284879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_)); 19294879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan owner_ = pthread_self(); 19309a56024c9a5795062492cc15813800378e62e0abjgm has_owner_ = true; 19314879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan } 19324879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan 19334879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // Releases this mutex. 19344879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan void Unlock() { 19359a56024c9a5795062492cc15813800378e62e0abjgm // Since the lock is being released the owner_ field should no longer be 19369a56024c9a5795062492cc15813800378e62e0abjgm // considered valid. We don't protect writing to has_owner_ here, as it's 19379a56024c9a5795062492cc15813800378e62e0abjgm // the caller's responsibility to ensure that the current thread holds the 19384879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // mutex when this is called. 19399a56024c9a5795062492cc15813800378e62e0abjgm has_owner_ = false; 19404879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_)); 19414879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan } 19423bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19433bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan // Does nothing if the current thread holds the mutex. Otherwise, crashes 19443bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan // with high probability. 19454879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan void AssertHeld() const { 19469a56024c9a5795062492cc15813800378e62e0abjgm GTEST_CHECK_(has_owner_ && pthread_equal(owner_, pthread_self())) 19474879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan << "The current thread is not holding the mutex @" << this; 19484879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan } 19493bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19504879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // A static mutex may be used before main() is entered. It may even 19514879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // be used before the dynamic initialization stage. Therefore we 19524879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // must be able to initialize a static mutex object at link time. 19534879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // This means MutexBase has to be a POD and its member variables 19544879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan // have to be public. 19553bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan public: 19564879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan pthread_mutex_t mutex_; // The underlying pthread mutex. 19579a56024c9a5795062492cc15813800378e62e0abjgm // has_owner_ indicates whether the owner_ field below contains a valid thread 19589a56024c9a5795062492cc15813800378e62e0abjgm // ID and is therefore safe to inspect (e.g., to use in pthread_equal()). All 19599a56024c9a5795062492cc15813800378e62e0abjgm // accesses to the owner_ field should be protected by a check of this field. 19609a56024c9a5795062492cc15813800378e62e0abjgm // An alternative might be to memset() owner_ to all zeros, but there's no 19619a56024c9a5795062492cc15813800378e62e0abjgm // guarantee that a zero'd pthread_t is necessarily invalid or even different 19629a56024c9a5795062492cc15813800378e62e0abjgm // from pthread_self(). 19639a56024c9a5795062492cc15813800378e62e0abjgm bool has_owner_; 19649a56024c9a5795062492cc15813800378e62e0abjgm pthread_t owner_; // The thread holding the mutex. 19653bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan}; 19663bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19673bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// Forward-declares a static mutex. 1968a6340420b9cee27f77c5b91bea807121914a5831kosak# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 1969a6340420b9cee27f77c5b91bea807121914a5831kosak extern ::testing::internal::MutexBase mutex 19703bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19714879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// Defines and statically (i.e. at link time) initializes a static mutex. 1972a6340420b9cee27f77c5b91bea807121914a5831kosak# define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ 1973f44190f2c4321f7ac07bf7dfaf2f3bf66985efe6Patrick J. LoPresti ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, false, pthread_t() } 19743bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19754879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// The Mutex class can only be used for mutexes created at runtime. It 19764879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan// shares its API with MutexBase otherwise. 19773bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wanclass Mutex : public MutexBase { 19783bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan public: 19794879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan Mutex() { 19804879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); 19819a56024c9a5795062492cc15813800378e62e0abjgm has_owner_ = false; 19824879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan } 19834879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan ~Mutex() { 19844879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_)); 19854879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan } 19863bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 19873bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan private: 19883bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); 19893bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan}; 19903bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 1991a6340420b9cee27f77c5b91bea807121914a5831kosak// We cannot name this class MutexLock because the ctor declaration would 19923bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// conflict with a macro named MutexLock, which is defined on some 1993a6340420b9cee27f77c5b91bea807121914a5831kosak// platforms. That macro is used as a defensive measure to prevent against 1994a6340420b9cee27f77c5b91bea807121914a5831kosak// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than 1995a6340420b9cee27f77c5b91bea807121914a5831kosak// "MutexLock l(&mu)". Hence the typedef trick below. 19963bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wanclass GTestMutexLock { 19973bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan public: 19983bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan explicit GTestMutexLock(MutexBase* mutex) 19993bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan : mutex_(mutex) { mutex_->Lock(); } 20003bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20013bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan ~GTestMutexLock() { mutex_->Unlock(); } 20023bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20033bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan private: 20043bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan MutexBase* const mutex_; 20053bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20063bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); 20073bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan}; 20083bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20093bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wantypedef GTestMutexLock MutexLock; 20103bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2011e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// Helpers for ThreadLocal. 2012e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 2013e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// pthread_key_create() requires DeleteThreadLocalValue() to have 2014e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// C-linkage. Therefore it cannot be templatized to access 2015e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// ThreadLocal<T>. Hence the need for class 2016e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// ThreadLocalValueHolderBase. 2017e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wanclass ThreadLocalValueHolderBase { 2018e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan public: 2019e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan virtual ~ThreadLocalValueHolderBase() {} 2020e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan}; 2021e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 2022e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// Called by pthread to delete thread-local data stored by 2023e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan// pthread_setspecific(). 2024e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wanextern "C" inline void DeleteThreadLocalValue(void* value_holder) { 2025e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan delete static_cast<ThreadLocalValueHolderBase*>(value_holder); 2026e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan} 2027e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 20283bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// Implements thread-local storage on pthreads-based systems. 20293bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wantemplate <typename T> 20303bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wanclass ThreadLocal { 20313bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan public: 2032831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ThreadLocal() 2033831b87f2342df0ee2d13c466b400245bdf1c04f3kosak : key_(CreateKey()), default_factory_(new DefaultValueHolderFactory()) {} 2034831b87f2342df0ee2d13c466b400245bdf1c04f3kosak explicit ThreadLocal(const T& value) 2035831b87f2342df0ee2d13c466b400245bdf1c04f3kosak : key_(CreateKey()), 2036831b87f2342df0ee2d13c466b400245bdf1c04f3kosak default_factory_(new InstanceValueHolderFactory(value)) {} 20373bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20383bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan ~ThreadLocal() { 2039b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan // Destroys the managed object for the current thread, if any. 2040b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan DeleteThreadLocalValue(pthread_getspecific(key_)); 2041b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan 2042b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan // Releases resources associated with the key. This will *not* 2043b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan // delete managed objects for other threads. 20444879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_)); 20453bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan } 20463bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20473bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan T* pointer() { return GetOrCreateValue(); } 20483bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan const T* pointer() const { return GetOrCreateValue(); } 20493bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan const T& get() const { return *pointer(); } 20503bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan void set(const T& value) { *pointer() = value; } 20513bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20523bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan private: 2053e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan // Holds a value of type T. 2054e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan class ValueHolder : public ThreadLocalValueHolderBase { 2055e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan public: 2056831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ValueHolder() : value_() {} 2057e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan explicit ValueHolder(const T& value) : value_(value) {} 2058e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 2059e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan T* pointer() { return &value_; } 2060e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 2061e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan private: 2062e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan T value_; 2063e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); 2064e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan }; 2065e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan 20663bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan static pthread_key_t CreateKey() { 20673bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan pthread_key_t key; 2068b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan // When a thread exits, DeleteThreadLocalValue() will be called on 2069b9a7cead1cdf588b9b00ec46f38a727b14681c5bzhanyong.wan // the object managed for that thread. 2070e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan GTEST_CHECK_POSIX_SUCCESS_( 2071e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan pthread_key_create(&key, &DeleteThreadLocalValue)); 20723bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan return key; 20733bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan } 20743bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 20753bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan T* GetOrCreateValue() const { 2076e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan ThreadLocalValueHolderBase* const holder = 2077e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); 2078e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan if (holder != NULL) { 2079e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); 2080e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan } 20814879aac74991ad4552c5ed2ec178af511f3feb5ezhanyong.wan 2082831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ValueHolder* const new_holder = default_factory_->MakeNewHolder(); 2083e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan ThreadLocalValueHolderBase* const holder_base = new_holder; 2084e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base)); 2085e9f093ae15ac232f7ac0a31d64a5873fd1e306c6zhanyong.wan return new_holder->pointer(); 20863bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan } 20873bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2088831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class ValueHolderFactory { 2089831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 2090831b87f2342df0ee2d13c466b400245bdf1c04f3kosak ValueHolderFactory() {} 2091831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ~ValueHolderFactory() {} 2092831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const = 0; 2093831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2094831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 2095831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolderFactory); 2096831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 2097831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2098831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class DefaultValueHolderFactory : public ValueHolderFactory { 2099831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 2100831b87f2342df0ee2d13c466b400245bdf1c04f3kosak DefaultValueHolderFactory() {} 2101831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const { return new ValueHolder(); } 2102831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2103831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 2104831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultValueHolderFactory); 2105831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 2106831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2107831b87f2342df0ee2d13c466b400245bdf1c04f3kosak class InstanceValueHolderFactory : public ValueHolderFactory { 2108831b87f2342df0ee2d13c466b400245bdf1c04f3kosak public: 2109831b87f2342df0ee2d13c466b400245bdf1c04f3kosak explicit InstanceValueHolderFactory(const T& value) : value_(value) {} 2110831b87f2342df0ee2d13c466b400245bdf1c04f3kosak virtual ValueHolder* MakeNewHolder() const { 2111831b87f2342df0ee2d13c466b400245bdf1c04f3kosak return new ValueHolder(value_); 2112831b87f2342df0ee2d13c466b400245bdf1c04f3kosak } 2113831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2114831b87f2342df0ee2d13c466b400245bdf1c04f3kosak private: 2115831b87f2342df0ee2d13c466b400245bdf1c04f3kosak const T value_; // The value for each thread. 2116831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 2117831b87f2342df0ee2d13c466b400245bdf1c04f3kosak GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory); 2118831b87f2342df0ee2d13c466b400245bdf1c04f3kosak }; 2119831b87f2342df0ee2d13c466b400245bdf1c04f3kosak 21203bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan // A key pthreads uses for looking up per-thread values. 21213bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan const pthread_key_t key_; 2122831b87f2342df0ee2d13c466b400245bdf1c04f3kosak scoped_ptr<ValueHolderFactory> default_factory_; 21233bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 21243bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); 21253bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan}; 21263bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2127156d1b513b90deca6287c737e3e6453dc7f64d35kosak# endif // GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ 21283bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2129a6340420b9cee27f77c5b91bea807121914a5831kosak#else // GTEST_IS_THREADSAFE 21303bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2131d201456903f3ecae1f7794edfab0d5678e64226shiqian// A dummy implementation of synchronization primitives (mutex, lock, 2132d201456903f3ecae1f7794edfab0d5678e64226shiqian// and thread-local variable). Necessary for compiling Google Test where 2133d201456903f3ecae1f7794edfab0d5678e64226shiqian// mutex is not supported - using Google Test in multiple threads is not 2134d201456903f3ecae1f7794edfab0d5678e64226shiqian// supported on such platforms. 2135d201456903f3ecae1f7794edfab0d5678e64226shiqian 2136d201456903f3ecae1f7794edfab0d5678e64226shiqianclass Mutex { 2137d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 2138d201456903f3ecae1f7794edfab0d5678e64226shiqian Mutex() {} 213983fe024fb0fefcd7069d5d4c0611eca6bf66bd1fvladlosev void Lock() {} 214083fe024fb0fefcd7069d5d4c0611eca6bf66bd1fvladlosev void Unlock() {} 2141d201456903f3ecae1f7794edfab0d5678e64226shiqian void AssertHeld() const {} 2142d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2143d201456903f3ecae1f7794edfab0d5678e64226shiqian 2144ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 21453bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan extern ::testing::internal::Mutex mutex 21463bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2147ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex 21483bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2149a6340420b9cee27f77c5b91bea807121914a5831kosak// We cannot name this class MutexLock because the ctor declaration would 2150a6340420b9cee27f77c5b91bea807121914a5831kosak// conflict with a macro named MutexLock, which is defined on some 2151a6340420b9cee27f77c5b91bea807121914a5831kosak// platforms. That macro is used as a defensive measure to prevent against 2152a6340420b9cee27f77c5b91bea807121914a5831kosak// inadvertent misuses of MutexLock like "MutexLock(&mu)" rather than 2153a6340420b9cee27f77c5b91bea807121914a5831kosak// "MutexLock l(&mu)". Hence the typedef trick below. 2154d201456903f3ecae1f7794edfab0d5678e64226shiqianclass GTestMutexLock { 2155d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 2156d201456903f3ecae1f7794edfab0d5678e64226shiqian explicit GTestMutexLock(Mutex*) {} // NOLINT 2157d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2158d201456903f3ecae1f7794edfab0d5678e64226shiqian 2159d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef GTestMutexLock MutexLock; 2160d201456903f3ecae1f7794edfab0d5678e64226shiqian 2161d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <typename T> 2162d201456903f3ecae1f7794edfab0d5678e64226shiqianclass ThreadLocal { 2163d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 2164e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian ThreadLocal() : value_() {} 2165e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian explicit ThreadLocal(const T& value) : value_(value) {} 2166d201456903f3ecae1f7794edfab0d5678e64226shiqian T* pointer() { return &value_; } 2167d201456903f3ecae1f7794edfab0d5678e64226shiqian const T* pointer() const { return &value_; } 2168d201456903f3ecae1f7794edfab0d5678e64226shiqian const T& get() const { return value_; } 2169d201456903f3ecae1f7794edfab0d5678e64226shiqian void set(const T& value) { value_ = value; } 2170d201456903f3ecae1f7794edfab0d5678e64226shiqian private: 2171d201456903f3ecae1f7794edfab0d5678e64226shiqian T value_; 2172d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2173d201456903f3ecae1f7794edfab0d5678e64226shiqian 2174a6340420b9cee27f77c5b91bea807121914a5831kosak#endif // GTEST_IS_THREADSAFE 21753bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 21763bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// Returns the number of threads running in the process, or 0 to indicate that 21773bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan// we cannot detect it. 21789f0824b0a61b50fd40e47da2387cd9b3f872ce47zhanyong.wanGTEST_API_ size_t GetThreadCount(); 21793bef459eac9aa84c579f34249aebc9ff56832054zhanyong.wan 2180d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// Passing non-POD classes through ellipsis (...) crashes the ARM 218144bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan// compiler and generates a warning in Sun Studio. The Nokia Symbian 218244bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan// and the IBM XL C/C++ compiler try to instantiate a copy constructor 218344bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan// for objects passed through ellipsis (...), failing for uncopyable 218444bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan// objects. We define this to ensure that only POD is passed through 218544bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan// ellipsis on these systems. 218644bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan#if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) 218706d04c0945bf47bae90532552e6e8294802fc9aavladlosev// We lose support for NULL detection where the compiler doesn't like 218806d04c0945bf47bae90532552e6e8294802fc9aavladlosev// passing non-POD classes through ellipsis (...). 2189ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_ELLIPSIS_NEEDS_POD_ 1 219006d04c0945bf47bae90532552e6e8294802fc9aavladlosev#else 2191ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_CAN_COMPARE_NULL 1 219244bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan#endif 2193d201456903f3ecae1f7794edfab0d5678e64226shiqian 2194d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// The Nokia Symbian and IBM XL C/C++ compilers cannot decide between 2195d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// const T& and const T* in a function template. These compilers 2196d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// _can_ decide between class template specializations for T and T*, 2197d2849f573052ba8431a887e0034b1be353a0d9b4shiqian// so a tr1::type_traits-like is_pointer works. 219844bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan#if defined(__SYMBIAN32__) || defined(__IBMCPP__) 2199ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_NEEDS_IS_POINTER_ 1 220044bafcb62d0f33fbc9aafb5492b245c949850df8zhanyong.wan#endif 2201d201456903f3ecae1f7794edfab0d5678e64226shiqian 2202d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <bool bool_value> 2203d201456903f3ecae1f7794edfab0d5678e64226shiqianstruct bool_constant { 2204d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef bool_constant<bool_value> type; 2205d201456903f3ecae1f7794edfab0d5678e64226shiqian static const bool value = bool_value; 2206d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2207d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <bool bool_value> const bool bool_constant<bool_value>::value; 2208d201456903f3ecae1f7794edfab0d5678e64226shiqian 2209d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef bool_constant<false> false_type; 2210d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef bool_constant<true> true_type; 2211d201456903f3ecae1f7794edfab0d5678e64226shiqian 2212d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <typename T> 2213d201456903f3ecae1f7794edfab0d5678e64226shiqianstruct is_pointer : public false_type {}; 2214d201456903f3ecae1f7794edfab0d5678e64226shiqian 2215d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <typename T> 2216d201456903f3ecae1f7794edfab0d5678e64226shiqianstruct is_pointer<T*> : public true_type {}; 2217d201456903f3ecae1f7794edfab0d5678e64226shiqian 2218fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wantemplate <typename Iterator> 2219fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wanstruct IteratorTraits { 2220fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan typedef typename Iterator::value_type value_type; 2221fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan}; 2222fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan 2223fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wantemplate <typename T> 2224fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wanstruct IteratorTraits<T*> { 2225fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan typedef T value_type; 2226fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan}; 2227fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan 2228fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wantemplate <typename T> 2229fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wanstruct IteratorTraits<const T*> { 2230fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan typedef T value_type; 2231fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan}; 2232fc99b1ad515ccfc92ee92001c409f69385033af5zhanyong.wan 223387d23e45f096c91c9e722b20bf15b733dbab0f80zhanyong.wan#if GTEST_OS_WINDOWS 2234ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_PATH_SEP_ "\\" 2235ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_ALT_PATH_SEP_ 1 22363c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// The biggest signed integer type the compiler supports. 22373c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wantypedef __int64 BiggestInt; 223887d23e45f096c91c9e722b20bf15b733dbab0f80zhanyong.wan#else 2239ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_PATH_SEP_ "/" 2240ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# define GTEST_HAS_ALT_PATH_SEP_ 0 22413c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wantypedef long long BiggestInt; // NOLINT 224287d23e45f096c91c9e722b20bf15b733dbab0f80zhanyong.wan#endif // GTEST_OS_WINDOWS 224387d23e45f096c91c9e722b20bf15b733dbab0f80zhanyong.wan 224435c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// Utilities for char. 224535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan 224635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// isspace(int ch) and friends accept an unsigned char or EOF. char 224735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// may be signed, depending on the compiler (or compiler flags). 224835c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// Therefore we need to cast a char to unsigned char before calling 224935c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan// isspace(), etc. 225035c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan 225135c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsAlpha(char ch) { 225235c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return isalpha(static_cast<unsigned char>(ch)) != 0; 225335c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 225435c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsAlNum(char ch) { 225535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return isalnum(static_cast<unsigned char>(ch)) != 0; 225635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 225735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsDigit(char ch) { 225835c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return isdigit(static_cast<unsigned char>(ch)) != 0; 225935c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 226035c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsLower(char ch) { 226135c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return islower(static_cast<unsigned char>(ch)) != 0; 226235c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 226335c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsSpace(char ch) { 226435c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return isspace(static_cast<unsigned char>(ch)) != 0; 226535c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 226635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline bool IsUpper(char ch) { 226735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return isupper(static_cast<unsigned char>(ch)) != 0; 226835c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 2269b5eb6ed9e27b7bf80a406e4a38ffe42db43889cczhanyong.waninline bool IsXDigit(char ch) { 2270b5eb6ed9e27b7bf80a406e4a38ffe42db43889cczhanyong.wan return isxdigit(static_cast<unsigned char>(ch)) != 0; 2271b5eb6ed9e27b7bf80a406e4a38ffe42db43889cczhanyong.wan} 2272a88c9a88e49e90ec414175543b2b7ff2f70866a7zhanyong.waninline bool IsXDigit(wchar_t ch) { 2273a88c9a88e49e90ec414175543b2b7ff2f70866a7zhanyong.wan const unsigned char low_byte = static_cast<unsigned char>(ch); 2274a88c9a88e49e90ec414175543b2b7ff2f70866a7zhanyong.wan return ch == low_byte && isxdigit(low_byte) != 0; 2275a88c9a88e49e90ec414175543b2b7ff2f70866a7zhanyong.wan} 227635c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan 227735c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline char ToLower(char ch) { 227835c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return static_cast<char>(tolower(static_cast<unsigned char>(ch))); 227935c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 228035c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.waninline char ToUpper(char ch) { 228135c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan return static_cast<char>(toupper(static_cast<unsigned char>(ch))); 228235c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan} 228335c39756495bea5959de5778aaaf33a94f8c1e2ezhanyong.wan 2284e330b754cbd4b23a160521e05ff1014ed576378bkosakinline std::string StripTrailingSpaces(std::string str) { 2285e330b754cbd4b23a160521e05ff1014ed576378bkosak std::string::iterator it = str.end(); 2286e330b754cbd4b23a160521e05ff1014ed576378bkosak while (it != str.begin() && IsSpace(*--it)) 2287e330b754cbd4b23a160521e05ff1014ed576378bkosak it = str.erase(it); 2288e330b754cbd4b23a160521e05ff1014ed576378bkosak return str; 2289e330b754cbd4b23a160521e05ff1014ed576378bkosak} 2290e330b754cbd4b23a160521e05ff1014ed576378bkosak 22913c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// The testing::internal::posix namespace holds wrappers for common 22923c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// POSIX functions. These wrappers hide the differences between 2293f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan// Windows/MSVC and POSIX systems. Since some compilers define these 2294f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan// standard functions as macros, the wrapper cannot have the same name 2295f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan// as the wrapped function. 2296f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan 22973c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wannamespace posix { 22983c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 22993c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// Functions with a different name on Windows. 23003c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 23010af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan#if GTEST_OS_WINDOWS 23023c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2303f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wantypedef struct _stat StatStruct; 23043c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2305ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# ifdef __BORLANDC__ 2306c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline int IsATTY(int fd) { return isatty(fd); } 2307c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline int StrCaseCmp(const char* s1, const char* s2) { 2308c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan return stricmp(s1, s2); 2309c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan} 2310c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline char* StrDup(const char* src) { return strdup(src); } 2311ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else // !__BORLANDC__ 2312ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if GTEST_OS_WINDOWS_MOBILE 23134853a503371f39aa22e14adcdecea71c09841e34zhanyong.waninline int IsATTY(int /* fd */) { return 0; } 2314ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 2315f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int IsATTY(int fd) { return _isatty(fd); } 2316ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // GTEST_OS_WINDOWS_MOBILE 2317f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int StrCaseCmp(const char* s1, const char* s2) { 2318f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return _stricmp(s1, s2); 23193c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2320f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline char* StrDup(const char* src) { return _strdup(src); } 2321ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // __BORLANDC__ 2322c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan 2323ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# if GTEST_OS_WINDOWS_MOBILE 23244853a503371f39aa22e14adcdecea71c09841e34zhanyong.waninline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); } 23254853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan// Stat(), RmDir(), and IsDir() are not needed on Windows CE at this 23264853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan// time and thus not defined there. 2327ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# else 2328c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline int FileNo(FILE* file) { return _fileno(file); } 2329c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); } 2330f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int RmDir(const char* dir) { return _rmdir(dir); } 2331f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline bool IsDir(const StatStruct& st) { 23323c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan return (_S_IFDIR & st.st_mode) != 0; 23333c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2334ffeb11d14a890b902dbb26ff2296cda7bf2d31dfzhanyong.wan# endif // GTEST_OS_WINDOWS_MOBILE 23353c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2336d201456903f3ecae1f7794edfab0d5678e64226shiqian#else 23373c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2338f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wantypedef struct stat StatStruct; 23393c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2340f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int FileNo(FILE* file) { return fileno(file); } 2341f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int IsATTY(int fd) { return isatty(fd); } 2342f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } 2343f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int StrCaseCmp(const char* s1, const char* s2) { 2344f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return strcasecmp(s1, s2); 2345f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan} 2346c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.waninline char* StrDup(const char* src) { return strdup(src); } 2347f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int RmDir(const char* dir) { return rmdir(dir); } 2348f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } 23493c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2350d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_OS_WINDOWS 2351d201456903f3ecae1f7794edfab0d5678e64226shiqian 23523c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// Functions deprecated by MSVC 8.0. 23533c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 23548120f66c3249e253f03fdb48bee7e528bc038d31billydonahueGTEST_DISABLE_MSC_WARNINGS_PUSH_(4996 /* deprecated function */) 23553c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2356f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline const char* StrNCpy(char* dest, const char* src, size_t n) { 2357f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return strncpy(dest, src, n); 23583c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 23594853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan 23604853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and 23614853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan// StrError() aren't needed on Windows CE at this time and thus not 23624853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan// defined there. 23634853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan 23648120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#if !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT 2365f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int ChDir(const char* dir) { return chdir(dir); } 23664853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan#endif 2367f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline FILE* FOpen(const char* path, const char* mode) { 2368f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return fopen(path, mode); 23693c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2370b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan#if !GTEST_OS_WINDOWS_MOBILE 2371f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline FILE *FReopen(const char* path, const char* mode, FILE* stream) { 2372f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return freopen(path, mode, stream); 23733c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2374f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); } 23754853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan#endif 2376f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int FClose(FILE* fp) { return fclose(fp); } 2377b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan#if !GTEST_OS_WINDOWS_MOBILE 2378f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int Read(int fd, void* buf, unsigned int count) { 2379f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return static_cast<int>(read(fd, buf, count)); 23803c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2381f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int Write(int fd, const void* buf, unsigned int count) { 2382f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return static_cast<int>(write(fd, buf, count)); 23833c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 2384f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline int Close(int fd) { return close(fd); } 2385f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline const char* StrError(int errnum) { return strerror(errnum); } 23864853a503371f39aa22e14adcdecea71c09841e34zhanyong.wan#endif 2387f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline const char* GetEnv(const char* name) { 23888120f66c3249e253f03fdb48bee7e528bc038d31billydonahue#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE | GTEST_OS_WINDOWS_RT 2389b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan // We are on Windows CE, which has no environment variables. 2390102b50483a4b515a94a5b1c75db468eb071cf172kosak static_cast<void>(name); // To prevent 'unused argument' warning. 23913c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan return NULL; 2392cfcbc298cd91806e0e3417e03fce42bc4f1fa150vladlosev#elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9) 2393c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan // Environment variables which we programmatically clear will be set to the 2394c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan // empty string rather than unset (NULL). Handle that case. 2395c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan const char* const env = getenv(name); 2396c78ae6196dc9c24380b5cf86f8fd75a4d3edc704zhanyong.wan return (env != NULL && env[0] != '\0') ? env : NULL; 23973c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#else 2398f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wan return getenv(name); 23993c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#endif 24003c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} 24013c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 24028120f66c3249e253f03fdb48bee7e528bc038d31billydonahueGTEST_DISABLE_MSC_WARNINGS_POP_() 24033c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2404b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan#if GTEST_OS_WINDOWS_MOBILE 24053c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// Windows CE has no C library. The abort() function is used in 24063c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// several places in Google Test. This implementation provides a reasonable 24073c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan// imitation of standard behaviour. 2408f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.wanvoid Abort(); 24093c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan#else 2410f2d0d0e3d56794855d1e9a1f157457b7225e8c88zhanyong.waninline void Abort() { abort(); } 2411b50ef44a3527d958270ff1f08cb99e3ac633bd17zhanyong.wan#endif // GTEST_OS_WINDOWS_MOBILE 24123c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 24133c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan} // namespace posix 24143c7bbf5b46679aea4e0ac7d3ad241cb036146751zhanyong.wan 2415f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// MSVC "deprecates" snprintf and issues warnings wherever it is used. In 2416f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// order to avoid these warnings, we need to use _snprintf or _snprintf_s on 2417f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate 2418f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// function in order to achieve that. We use macro definition here because 2419f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// snprintf is a variadic function. 2420f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev#if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE 2421f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// MSVC 2005 and above support variadic macros. 2422f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev# define GTEST_SNPRINTF_(buffer, size, format, ...) \ 2423f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev _snprintf_s(buffer, size, size, format, __VA_ARGS__) 2424f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev#elif defined(_MSC_VER) 2425f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't 2426f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev// complain about _snprintf. 2427f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev# define GTEST_SNPRINTF_ _snprintf 2428f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev#else 2429f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev# define GTEST_SNPRINTF_ snprintf 2430f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev#endif 2431f7d58e81c35b37851733a7518c9f7260ba1b8a40vladlosev 2432d201456903f3ecae1f7794edfab0d5678e64226shiqian// The maximum number a BiggestInt can represent. This definition 2433d201456903f3ecae1f7794edfab0d5678e64226shiqian// works no matter BiggestInt is represented in one's complement or 2434d201456903f3ecae1f7794edfab0d5678e64226shiqian// two's complement. 2435d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2436d201456903f3ecae1f7794edfab0d5678e64226shiqian// We cannot rely on numeric_limits in STL, as __int64 and long long 2437d201456903f3ecae1f7794edfab0d5678e64226shiqian// are not part of standard C++ and numeric_limits doesn't need to be 2438d201456903f3ecae1f7794edfab0d5678e64226shiqian// defined for them. 2439d201456903f3ecae1f7794edfab0d5678e64226shiqianconst BiggestInt kMaxBiggestInt = 2440d201456903f3ecae1f7794edfab0d5678e64226shiqian ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); 2441d201456903f3ecae1f7794edfab0d5678e64226shiqian 2442d201456903f3ecae1f7794edfab0d5678e64226shiqian// This template class serves as a compile-time function from size to 2443d201456903f3ecae1f7794edfab0d5678e64226shiqian// type. It maps a size in bytes to a primitive type with that 2444d201456903f3ecae1f7794edfab0d5678e64226shiqian// size. e.g. 2445d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2446d201456903f3ecae1f7794edfab0d5678e64226shiqian// TypeWithSize<4>::UInt 2447d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2448d201456903f3ecae1f7794edfab0d5678e64226shiqian// is typedef-ed to be unsigned int (unsigned integer made up of 4 2449d201456903f3ecae1f7794edfab0d5678e64226shiqian// bytes). 2450d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2451d201456903f3ecae1f7794edfab0d5678e64226shiqian// Such functionality should belong to STL, but I cannot find it 2452d201456903f3ecae1f7794edfab0d5678e64226shiqian// there. 2453d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2454d201456903f3ecae1f7794edfab0d5678e64226shiqian// Google Test uses this class in the implementation of floating-point 2455d201456903f3ecae1f7794edfab0d5678e64226shiqian// comparison. 2456d201456903f3ecae1f7794edfab0d5678e64226shiqian// 2457d201456903f3ecae1f7794edfab0d5678e64226shiqian// For now it only handles UInt (unsigned int) as that's all Google Test 2458d201456903f3ecae1f7794edfab0d5678e64226shiqian// needs. Other types can be easily added in the future if need 2459d201456903f3ecae1f7794edfab0d5678e64226shiqian// arises. 2460d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <size_t size> 2461d201456903f3ecae1f7794edfab0d5678e64226shiqianclass TypeWithSize { 2462d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 2463d201456903f3ecae1f7794edfab0d5678e64226shiqian // This prevents the user from using TypeWithSize<N> with incorrect 2464d201456903f3ecae1f7794edfab0d5678e64226shiqian // values of N. 2465d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef void UInt; 2466d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2467d201456903f3ecae1f7794edfab0d5678e64226shiqian 2468d201456903f3ecae1f7794edfab0d5678e64226shiqian// The specialization for size 4. 2469d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <> 2470d201456903f3ecae1f7794edfab0d5678e64226shiqianclass TypeWithSize<4> { 2471d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 2472d201456903f3ecae1f7794edfab0d5678e64226shiqian // unsigned int has size 4 in both gcc and MSVC. 2473d201456903f3ecae1f7794edfab0d5678e64226shiqian // 2474d201456903f3ecae1f7794edfab0d5678e64226shiqian // As base/basictypes.h doesn't compile on Windows, we cannot use 2475d201456903f3ecae1f7794edfab0d5678e64226shiqian // uint32, uint64, and etc here. 2476d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef int Int; 2477d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef unsigned int UInt; 2478d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2479d201456903f3ecae1f7794edfab0d5678e64226shiqian 2480d201456903f3ecae1f7794edfab0d5678e64226shiqian// The specialization for size 8. 2481d201456903f3ecae1f7794edfab0d5678e64226shiqiantemplate <> 2482d201456903f3ecae1f7794edfab0d5678e64226shiqianclass TypeWithSize<8> { 2483d201456903f3ecae1f7794edfab0d5678e64226shiqian public: 24840af0709b02899f9177db55eba7929e65e5834b29zhanyong.wan#if GTEST_OS_WINDOWS 2485d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef __int64 Int; 2486d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef unsigned __int64 UInt; 2487d201456903f3ecae1f7794edfab0d5678e64226shiqian#else 2488d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef long long Int; // NOLINT 2489d201456903f3ecae1f7794edfab0d5678e64226shiqian typedef unsigned long long UInt; // NOLINT 2490d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_OS_WINDOWS 2491d201456903f3ecae1f7794edfab0d5678e64226shiqian}; 2492d201456903f3ecae1f7794edfab0d5678e64226shiqian 2493d201456903f3ecae1f7794edfab0d5678e64226shiqian// Integer types of known sizes. 2494d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef TypeWithSize<4>::Int Int32; 2495d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef TypeWithSize<4>::UInt UInt32; 2496d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef TypeWithSize<8>::Int Int64; 2497d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef TypeWithSize<8>::UInt UInt64; 2498d201456903f3ecae1f7794edfab0d5678e64226shiqiantypedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. 2499d201456903f3ecae1f7794edfab0d5678e64226shiqian 2500d201456903f3ecae1f7794edfab0d5678e64226shiqian// Utilities for command line flags and environment variables. 2501d201456903f3ecae1f7794edfab0d5678e64226shiqian 2502d201456903f3ecae1f7794edfab0d5678e64226shiqian// Macro for referencing flags. 2503156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_FLAG) 2504156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_FLAG(name) FLAGS_gtest_##name 2505156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_FLAG) 2506d201456903f3ecae1f7794edfab0d5678e64226shiqian 25074d69b1607a876a77b8719f035b23254677617a47kosak#if !defined(GTEST_USE_OWN_FLAGFILE_FLAG_) 25084d69b1607a876a77b8719f035b23254677617a47kosak# define GTEST_USE_OWN_FLAGFILE_FLAG_ 1 25094d69b1607a876a77b8719f035b23254677617a47kosak#endif // !defined(GTEST_USE_OWN_FLAGFILE_FLAG_) 25104d69b1607a876a77b8719f035b23254677617a47kosak 2511156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_DECLARE_bool_) 25120928adbfea9b7645e884bd95fee23cfd669729cdkosak# define GTEST_FLAG_SAVER_ ::testing::internal::GTestFlagSaver 25130928adbfea9b7645e884bd95fee23cfd669729cdkosak 2514d201456903f3ecae1f7794edfab0d5678e64226shiqian// Macros for declaring flags. 2515156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) 2516156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_DECLARE_int32_(name) \ 251783589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) 2518e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#define GTEST_DECLARE_string_(name) \ 251987fdda2cf24d953f3cbec1e0c266b2db9928f406jgm GTEST_API_ extern ::std::string GTEST_FLAG(name) 2520d201456903f3ecae1f7794edfab0d5678e64226shiqian 2521d201456903f3ecae1f7794edfab0d5678e64226shiqian// Macros for defining flags. 2522e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#define GTEST_DEFINE_bool_(name, default_val, doc) \ 252383589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan GTEST_API_ bool GTEST_FLAG(name) = (default_val) 2524e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#define GTEST_DEFINE_int32_(name, default_val, doc) \ 252583589cca345d2f03d93b0555437aa480e0ed6699zhanyong.wan GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) 2526e0865dd9199e8fffd5c2f95a68de6c1851f77c15shiqian#define GTEST_DEFINE_string_(name, default_val, doc) \ 252787fdda2cf24d953f3cbec1e0c266b2db9928f406jgm GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val) 2528d201456903f3ecae1f7794edfab0d5678e64226shiqian 2529156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_DECLARE_bool_) 2530156d1b513b90deca6287c737e3e6453dc7f64d35kosak 25314c11f25f8c972bc5bed6d92abe2a0a3e41f499d7vladlosev// Thread annotations 2532156d1b513b90deca6287c737e3e6453dc7f64d35kosak#if !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_) 2533156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks) 2534156d1b513b90deca6287c737e3e6453dc7f64d35kosak# define GTEST_LOCK_EXCLUDED_(locks) 2535156d1b513b90deca6287c737e3e6453dc7f64d35kosak#endif // !defined(GTEST_EXCLUSIVE_LOCK_REQUIRED_) 25364c11f25f8c972bc5bed6d92abe2a0a3e41f499d7vladlosev 2537d201456903f3ecae1f7794edfab0d5678e64226shiqian// Parses 'str' for a 32-bit signed integer. If successful, writes the result 2538d201456903f3ecae1f7794edfab0d5678e64226shiqian// to *value and returns true; otherwise leaves *value unchanged and returns 2539d201456903f3ecae1f7794edfab0d5678e64226shiqian// false. 2540d201456903f3ecae1f7794edfab0d5678e64226shiqian// TODO(chandlerc): Find a better way to refactor flag and environment parsing 2541d201456903f3ecae1f7794edfab0d5678e64226shiqian// out of both gtest-port.cc and gtest.cc to avoid exporting this utility 2542d201456903f3ecae1f7794edfab0d5678e64226shiqian// function. 2543d201456903f3ecae1f7794edfab0d5678e64226shiqianbool ParseInt32(const Message& src_text, const char* str, Int32* value); 2544d201456903f3ecae1f7794edfab0d5678e64226shiqian 2545d201456903f3ecae1f7794edfab0d5678e64226shiqian// Parses a bool/Int32/string from the environment variable 2546d201456903f3ecae1f7794edfab0d5678e64226shiqian// corresponding to the given Google Test flag. 2547d201456903f3ecae1f7794edfab0d5678e64226shiqianbool BoolFromGTestEnv(const char* flag, bool default_val); 25489f0824b0a61b50fd40e47da2387cd9b3f872ce47zhanyong.wanGTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); 2549d201456903f3ecae1f7794edfab0d5678e64226shiqianconst char* StringFromGTestEnv(const char* flag, const char* default_val); 2550d201456903f3ecae1f7794edfab0d5678e64226shiqian 2551d201456903f3ecae1f7794edfab0d5678e64226shiqian} // namespace internal 2552d201456903f3ecae1f7794edfab0d5678e64226shiqian} // namespace testing 2553d201456903f3ecae1f7794edfab0d5678e64226shiqian 2554d201456903f3ecae1f7794edfab0d5678e64226shiqian#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 25558120f66c3249e253f03fdb48bee7e528bc038d31billydonahue 2556