gtest-port.h revision e96d247b20116646f343b6e2ec37af154f655977
176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Copyright 2005, Google Inc. 276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// All rights reserved. 376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Redistribution and use in source and binary forms, with or without 576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// modification, are permitted provided that the following conditions are 676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// met: 776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// * Redistributions of source code must retain the above copyright 976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// notice, this list of conditions and the following disclaimer. 1076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// * Redistributions in binary form must reproduce the above 1176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// copyright notice, this list of conditions and the following disclaimer 1276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// in the documentation and/or other materials provided with the 1376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// distribution. 1476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// * Neither the name of Google Inc. nor the names of its 1576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// contributors may be used to endorse or promote products derived from 1676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// this software without specific prior written permission. 1776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 1876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 3076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Authors: wan@google.com (Zhanyong Wan) 3176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 3276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Low-level types and utilities for porting Google Test to various 3376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// platforms. They are subject to change without notice. DO NOT USE 3476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// THEM IN USER CODE. 3576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 3676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 3776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 3876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 3976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user can define the following macros in the build script to 4076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// control Google Test's behavior. If the user doesn't define a macro 4176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// in this list, Google Test will define it. 4276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 4376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2) 4476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is/isn't available. 4576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions 4676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// are enabled. 4776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string 4876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is/isn't available (some systems define 4976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// ::string, which is different to std::string). 5076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string 5176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is/isn't available (some systems define 5276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// ::wstring, which is different to std::wstring). 5376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular 5476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// expressions are/aren't available. 5576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> 5676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is/isn't available. 5776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't 5876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// enabled. 5976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that 6076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// std::wstring does/doesn't work (Google Test can 6176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// be used where std::wstring is unavailable). 6276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple 6376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is/isn't available. 6476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_SEH - Define it to 1/0 to indicate whether the 6576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// compiler supports Microsoft's "Structured 6676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Exception Handling". 6776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google 6876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Test's own tr1 tuple implementation should be 6976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// used. Unused when the user sets 7076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_TR1_TUPLE to 0. 7176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_LINKED_AS_SHARED_LIBRARY 7276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// - Define to 1 when compiling tests that use 7376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Google Test as a shared library (known as 7476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// DLL on Windows). 7576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_CREATE_SHARED_LIBRARY 7676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// - Define to 1 when compiling Google Test itself 7776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// as a shared library. 7876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 7976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// This header defines the following utilities: 8076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 8176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Macros indicating the current platform (defined to 1 if compiled on 8276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// the given platform; otherwise undefined): 8376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_AIX - IBM AIX 8476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_CYGWIN - Cygwin 8576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_LINUX - Linux 8676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_MAC - Mac OS X 8776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_SOLARIS - Sun Solaris 8876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_SYMBIAN - Symbian 8976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile) 9076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_WINDOWS_DESKTOP - Windows Desktop 9176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_WINDOWS_MINGW - MinGW 9276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_WINDOWS_MOBILE - Windows Mobile 9376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_OS_ZOS - z/OS 9476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 9576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the 9676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// most stable support. Since core members of the Google Test project 9776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// don't have access to other platforms, support for them may be less 9876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// stable. If you notice any problems on your platform, please notify 9976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// googletestframework@googlegroups.com (patches for fixing them are 10076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// even more welcome!). 10176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 10276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Note that it is possible that none of the GTEST_OS_* macros are defined. 10376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 10476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Macros indicating available Google Test features (defined to 1 if 10576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// the corresponding feature is supported; otherwise undefined): 10676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_COMBINE - the Combine() function (for value-parameterized 10776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// tests) 10876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_DEATH_TEST - death tests 10976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_PARAM_TEST - value-parameterized tests 11076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_TYPED_TEST - typed tests 11176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_TYPED_TEST_P - type-parameterized tests 11276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with 11376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_HAS_POSIX_RE (see above) which users can 11476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// define themselves. 11576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_USES_SIMPLE_RE - our own simple regex is used; 11676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// the above two are mutually exclusive. 11776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). 11876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 11976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Macros for basic C++ coding: 12076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning. 12176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a 12276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// variable don't have to be used. 12376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_DISALLOW_ASSIGN_ - disables operator=. 12476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=. 12576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_MUST_USE_RESULT_ - declares that a function's result must be used. 12676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 12776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Synchronization: 12876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Mutex, MutexLock, ThreadLocal, GetThreadCount() 12976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// - synchronization primitives. 13076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_IS_THREADSAFE - defined to 1 to indicate that the above 13176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// synchronization primitives have real implementations 13276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// and Google Test is thread-safe; or 0 otherwise. 13376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 13476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Template meta programming: 13576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. 13676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 13776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Smart pointers: 13876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// scoped_ptr - as in TR2. 13976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 14076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Regular expressions: 14176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// RE - a simple regular expression class using the POSIX 14276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Extended Regular Expression syntax. Not available on 14376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Windows. 14476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 14576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Logging: 14676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_LOG_() - logs messages at the specified severity level. 14776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// LogToStderr() - directs all log messages to stderr. 14876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// FlushInfoLog() - flushes informational log messages. 14976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 15076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Stdout and stderr capturing: 15176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// CaptureStdout() - starts capturing stdout. 15276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GetCapturedStdout() - stops capturing stdout and returns the captured 15376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// string. 15476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// CaptureStderr() - starts capturing stderr. 15576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GetCapturedStderr() - stops capturing stderr and returns the captured 15676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// string. 15776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 15876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Integer types: 15976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// TypeWithSize - maps an integer to a int type. 16076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Int32, UInt32, Int64, UInt64, TimeInMillis 16176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// - integers of known sizes. 16276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// BiggestInt - the biggest signed integer type. 16376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 16476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Command-line utilities: 16576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_FLAG() - references a flag. 16676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_DECLARE_*() - declares a flag. 16776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GTEST_DEFINE_*() - defines a flag. 16876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GetArgvs() - returns the command line as a vector of strings. 16976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 17076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Environment variable utilities: 17176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// GetEnv() - gets the value of an environment variable. 17276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// BoolFromGTestEnv() - parses a bool environment variable. 17376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Int32FromGTestEnv() - parses an Int32 environment variable. 17476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// StringFromGTestEnv() - parses a string environment variable. 17576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 17676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <stddef.h> // For ptrdiff_t 17776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <stdlib.h> 17876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <stdio.h> 17976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <string.h> 18076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef _WIN32_WCE 18176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <sys/types.h> 18276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <sys/stat.h> 18376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // !_WIN32_WCE 18476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 18576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <iostream> // NOLINT 18676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <sstream> // NOLINT 18776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <string> // NOLINT 18876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 18976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com" 19076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_FLAG_PREFIX_ "gtest_" 19176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_FLAG_PREFIX_DASH_ "gtest-" 19276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_FLAG_PREFIX_UPPER_ "GTEST_" 19376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_NAME_ "Google Test" 19476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/" 19576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 19676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Determines the version of gcc that is used to compile this. 19776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef __GNUC__ 19876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// 40302 means version 4.3.2. 19976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_GCC_VER_ \ 20076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) 20176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // __GNUC__ 20276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 20376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Determines the platform on which Google Test is compiled. 20476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef __CYGWIN__ 20576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_CYGWIN 1 20676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined __SYMBIAN32__ 20776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_SYMBIAN 1 20876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined _WIN32 20976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_WINDOWS 1 21076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef _WIN32_WCE 21176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_WINDOWS_MOBILE 1 21276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__MINGW__) || defined(__MINGW32__) 21376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_WINDOWS_MINGW 1 21476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#else 21576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_WINDOWS_DESKTOP 1 21676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // _WIN32_WCE 21776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined __APPLE__ 21876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_MAC 1 21976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined __linux__ 22076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_LINUX 1 22176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined __MVS__ 22276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_ZOS 1 22376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__sun) && defined(__SVR4) 22476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_SOLARIS 1 22576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(_AIX) 22676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_OS_AIX 1 22776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // __CYGWIN__ 22876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 22976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Brings in definitions for functions used in the testing::internal::posix 23076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// namespace (read, write, close, chdir, isatty, stat). We do not currently 23176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// use them on Windows Mobile. 23276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#if !GTEST_OS_WINDOWS 23376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// This assumes that non-Windows OSes provide unistd.h. For OSes where this 23476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is not the case, we need to include headers that provide the functions 23576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// mentioned above. 23676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <unistd.h> 23776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <strings.h> 23876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif !GTEST_OS_WINDOWS_MOBILE 23976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <direct.h> 24076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <io.h> 24176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif 24276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 24376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Defines this to true iff Google Test can use POSIX regular expressions. 24476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_POSIX_RE 24576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS) 24676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif 24776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 24876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#if GTEST_HAS_POSIX_RE 24976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 25076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// On some platforms, <regex.h> needs someone to define size_t, and 25176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// won't compile otherwise. We can #include it here as we already 25276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// included <stdlib.h>, which is guaranteed to define size_t through 25376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// <stddef.h>. 25476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <regex.h> // NOLINT 25576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 25676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_USES_POSIX_RE 1 25776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 25876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif GTEST_OS_WINDOWS 25976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 26076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// <regex.h> is not available on Windows. Use our own simple regex 26176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// implementation instead. 26276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_USES_SIMPLE_RE 1 26376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 26476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#else 26576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 26676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// <regex.h> may not be available on this platform. Use our own 26776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// simple regex implementation instead. 26876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_USES_SIMPLE_RE 1 26976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 27076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // GTEST_HAS_POSIX_RE 27176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 27276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_EXCEPTIONS 27376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user didn't tell us whether exceptions are enabled, so we need 27476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// to figure it out. 27576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#if defined(_MSC_VER) || defined(__BORLANDC__) 27676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS 27776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// macro to enable exceptions, so we'll do the same. 27876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Assumes that exceptions are enabled by default. 27976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef _HAS_EXCEPTIONS 28076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define _HAS_EXCEPTIONS 1 28176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // _HAS_EXCEPTIONS 28276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS 28376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__GNUC__) && __EXCEPTIONS 28476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. 28576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_EXCEPTIONS 1 28676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__SUNPRO_CC) 28776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Sun Pro CC supports exceptions. However, there is no compile-time way of 28876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// detecting whether they are enabled or not. Therefore, we assume that 28976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// they are enabled unless the user tells us otherwise. 29076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_EXCEPTIONS 1 29176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__IBMCPP__) && __EXCEPTIONS 29276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled. 29376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_EXCEPTIONS 1 29476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#else 29576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// For other compilers, we assume exceptions are disabled to be 29676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// conservative. 29776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_EXCEPTIONS 0 29876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // defined(_MSC_VER) || defined(__BORLANDC__) 29976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // GTEST_HAS_EXCEPTIONS 30076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 30176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#if !defined(GTEST_HAS_STD_STRING) 30276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Even though we don't use this macro any longer, we keep it in case 30376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// some clients still depend on it. 30476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_STD_STRING 1 30576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif !GTEST_HAS_STD_STRING 30676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user told us that ::std::string isn't available. 30776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#error "Google Test cannot be used where ::std::string isn't available." 30876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // !defined(GTEST_HAS_STD_STRING) 30976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 31076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_GLOBAL_STRING 31176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user didn't tell us whether ::string is available, so we need 31276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// to figure it out. 31376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 31476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_GLOBAL_STRING 0 31576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 31676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // GTEST_HAS_GLOBAL_STRING 31776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 31876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_STD_WSTRING 31976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user didn't tell us whether ::std::wstring is available, so we need 32076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// to figure it out. 32176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring 32276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// is available. 32376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 32476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Cygwin 1.7 and below doesn't support ::std::wstring. 32576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Solaris' libc++ doesn't support it either. 32676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_STD_WSTRING (!(GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) 32776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 32876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // GTEST_HAS_STD_WSTRING 32976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 33076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_GLOBAL_WSTRING 33176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user didn't tell us whether ::wstring is available, so we need 33276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// to figure it out. 33376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_GLOBAL_WSTRING \ 33476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) 33576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // GTEST_HAS_GLOBAL_WSTRING 33676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 33776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Determines whether RTTI is available. 33876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifndef GTEST_HAS_RTTI 33976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// The user didn't tell us whether RTTI is enabled, so we need to 34076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// figure it out. 34176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 34276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef _MSC_VER 34376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 34476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. 34576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_RTTI 1 34676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#else 34776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_RTTI 0 34876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif 34976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 35076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. 35176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) 35276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 35376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#ifdef __GXX_RTTI 35476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_RTTI 1 35576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#else 35676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#define GTEST_HAS_RTTI 0 35776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#endif // __GXX_RTTI 35876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 35976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if 360// both the typeid and dynamic_cast features are present. 361#elif defined(__IBMCPP__) && (__IBMCPP__ >= 900) 362 363#ifdef __RTTI_ALL__ 364#define GTEST_HAS_RTTI 1 365#else 366#define GTEST_HAS_RTTI 0 367#endif 368 369#else 370 371// For all other compilers, we assume RTTI is enabled. 372#define GTEST_HAS_RTTI 1 373 374#endif // _MSC_VER 375 376#endif // GTEST_HAS_RTTI 377 378// It's this header's responsibility to #include <typeinfo> when RTTI 379// is enabled. 380#if GTEST_HAS_RTTI 381#include <typeinfo> 382#endif 383 384// Determines whether Google Test can use the pthreads library. 385#ifndef GTEST_HAS_PTHREAD 386// The user didn't tell us explicitly, so we assume pthreads support is 387// available on Linux and Mac. 388// 389// To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 390// to your compiler flags. 391#define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC) 392#endif // GTEST_HAS_PTHREAD 393 394#if GTEST_HAS_PTHREAD 395// gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is 396// true. 397#include <pthread.h> // NOLINT 398 399// For timespec and nanosleep, used below. 400#include <time.h> // NOLINT 401#endif 402 403// Determines whether Google Test can use tr1/tuple. You can define 404// this macro to 0 to prevent Google Test from using tuple (any 405// feature depending on tuple with be disabled in this mode). 406#ifndef GTEST_HAS_TR1_TUPLE 407// The user didn't tell us not to do it, so we assume it's OK. 408#define GTEST_HAS_TR1_TUPLE 1 409#endif // GTEST_HAS_TR1_TUPLE 410 411// Determines whether Google Test's own tr1 tuple implementation 412// should be used. 413#ifndef GTEST_USE_OWN_TR1_TUPLE 414// The user didn't tell us, so we need to figure it out. 415 416// We use our own TR1 tuple if we aren't sure the user has an 417// implementation of it already. At this time, GCC 4.0.0+ and MSVC 418// 2010 are the only mainstream compilers that come with a TR1 tuple 419// implementation. NVIDIA's CUDA NVCC compiler pretends to be GCC by 420// defining __GNUC__ and friends, but cannot compile GCC's tuple 421// implementation. MSVC 2008 (9.0) provides TR1 tuple in a 323 MB 422// Feature Pack download, which we cannot assume the user has. 423#if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000)) \ 424 || _MSC_VER >= 1600 425#define GTEST_USE_OWN_TR1_TUPLE 0 426#else 427#define GTEST_USE_OWN_TR1_TUPLE 1 428#endif 429 430#endif // GTEST_USE_OWN_TR1_TUPLE 431 432// To avoid conditional compilation everywhere, we make it 433// gtest-port.h's responsibility to #include the header implementing 434// tr1/tuple. 435#if GTEST_HAS_TR1_TUPLE 436 437#if GTEST_USE_OWN_TR1_TUPLE 438#include <gtest/internal/gtest-tuple.h> 439#elif GTEST_OS_SYMBIAN 440 441// On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to 442// use STLport's tuple implementation, which unfortunately doesn't 443// work as the copy of STLport distributed with Symbian is incomplete. 444// By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to 445// use its own tuple implementation. 446#ifdef BOOST_HAS_TR1_TUPLE 447#undef BOOST_HAS_TR1_TUPLE 448#endif // BOOST_HAS_TR1_TUPLE 449 450// This prevents <boost/tr1/detail/config.hpp>, which defines 451// BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>. 452#define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED 453#include <tuple> 454 455#elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) 456// GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does 457// not conform to the TR1 spec, which requires the header to be <tuple>. 458 459#if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 460// Until version 4.3.2, gcc has a bug that causes <tr1/functional>, 461// which is #included by <tr1/tuple>, to not compile when RTTI is 462// disabled. _TR1_FUNCTIONAL is the header guard for 463// <tr1/functional>. Hence the following #define is a hack to prevent 464// <tr1/functional> from being included. 465#define _TR1_FUNCTIONAL 1 466#include <tr1/tuple> 467#undef _TR1_FUNCTIONAL // Allows the user to #include 468 // <tr1/functional> if he chooses to. 469#else 470#include <tr1/tuple> // NOLINT 471#endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 472 473#else 474// If the compiler is not GCC 4.0+, we assume the user is using a 475// spec-conforming TR1 implementation. 476#include <tuple> // NOLINT 477#endif // GTEST_USE_OWN_TR1_TUPLE 478 479#endif // GTEST_HAS_TR1_TUPLE 480 481// Determines whether clone(2) is supported. 482// Usually it will only be available on Linux, excluding 483// Linux on the Itanium architecture. 484// Also see http://linux.die.net/man/2/clone. 485#ifndef GTEST_HAS_CLONE 486// The user didn't tell us, so we need to figure it out. 487 488#if GTEST_OS_LINUX && !defined(__ia64__) 489#define GTEST_HAS_CLONE 1 490#else 491#define GTEST_HAS_CLONE 0 492#endif // GTEST_OS_LINUX && !defined(__ia64__) 493 494#endif // GTEST_HAS_CLONE 495 496// Determines whether to support stream redirection. This is used to test 497// output correctness and to implement death tests. 498#if !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN 499#define GTEST_HAS_STREAM_REDIRECTION_ 1 500#endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN 501 502// Determines whether to support death tests. 503// Google Test does not support death tests for VC 7.1 and earlier as 504// abort() in a VC 7.1 application compiled as GUI in debug config 505// pops up a dialog window that cannot be suppressed programmatically. 506#if (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ 507 (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ 508 GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX) 509#define GTEST_HAS_DEATH_TEST 1 510#include <vector> // NOLINT 511#endif 512 513// We don't support MSVC 7.1 with exceptions disabled now. Therefore 514// all the compilers we care about are adequate for supporting 515// value-parameterized tests. 516#define GTEST_HAS_PARAM_TEST 1 517 518// Determines whether to support type-driven tests. 519 520// Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, 521// Sun Pro CC, and IBM Visual Age support. 522#if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ 523 defined(__IBMCPP__) 524#define GTEST_HAS_TYPED_TEST 1 525#define GTEST_HAS_TYPED_TEST_P 1 526#endif 527 528// Determines whether to support Combine(). This only makes sense when 529// value-parameterized tests are enabled. The implementation doesn't 530// work on Sun Studio since it doesn't understand templated conversion 531// operators. 532#if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) 533#define GTEST_HAS_COMBINE 1 534#endif 535 536// Determines whether the system compiler uses UTF-16 for encoding wide strings. 537#define GTEST_WIDE_STRING_USES_UTF16_ \ 538 (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) 539 540// Defines some utility macros. 541 542// The GNU compiler emits a warning if nested "if" statements are followed by 543// an "else" statement and braces are not used to explicitly disambiguate the 544// "else" binding. This leads to problems with code like: 545// 546// if (gate) 547// ASSERT_*(condition) << "Some message"; 548// 549// The "switch (0) case 0:" idiom is used to suppress this. 550#ifdef __INTEL_COMPILER 551#define GTEST_AMBIGUOUS_ELSE_BLOCKER_ 552#else 553#define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT 554#endif 555 556// Use this annotation at the end of a struct/class definition to 557// prevent the compiler from optimizing away instances that are never 558// used. This is useful when all interesting logic happens inside the 559// c'tor and / or d'tor. Example: 560// 561// struct Foo { 562// Foo() { ... } 563// } GTEST_ATTRIBUTE_UNUSED_; 564// 565// Also use it after a variable or parameter declaration to tell the 566// compiler the variable/parameter does not have to be used. 567#if defined(__GNUC__) && !defined(COMPILER_ICC) 568#define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) 569#else 570#define GTEST_ATTRIBUTE_UNUSED_ 571#endif 572 573// A macro to disallow operator= 574// This should be used in the private: declarations for a class. 575#define GTEST_DISALLOW_ASSIGN_(type)\ 576 void operator=(type const &) 577 578// A macro to disallow copy constructor and operator= 579// This should be used in the private: declarations for a class. 580#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ 581 type(type const &);\ 582 GTEST_DISALLOW_ASSIGN_(type) 583 584// Tell the compiler to warn about unused return values for functions declared 585// with this macro. The macro should be used on function declarations 586// following the argument list: 587// 588// Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; 589#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) 590#define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) 591#else 592#define GTEST_MUST_USE_RESULT_ 593#endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC 594 595// Determine whether the compiler supports Microsoft's Structured Exception 596// Handling. This is supported by several Windows compilers but generally 597// does not exist on any other system. 598#ifndef GTEST_HAS_SEH 599// The user didn't tell us, so we need to figure it out. 600 601#if defined(_MSC_VER) || defined(__BORLANDC__) 602// These two compilers are known to support SEH. 603#define GTEST_HAS_SEH 1 604#else 605// Assume no SEH. 606#define GTEST_HAS_SEH 0 607#endif 608 609#endif // GTEST_HAS_SEH 610 611#ifdef _MSC_VER 612 613#if GTEST_LINKED_AS_SHARED_LIBRARY 614#define GTEST_API_ __declspec(dllimport) 615#elif GTEST_CREATE_SHARED_LIBRARY 616#define GTEST_API_ __declspec(dllexport) 617#endif 618 619#endif // _MSC_VER 620 621#ifndef GTEST_API_ 622#define GTEST_API_ 623#endif 624 625namespace testing { 626 627class Message; 628 629namespace internal { 630 631class String; 632 633// The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time 634// expression is true. For example, you could use it to verify the 635// size of a static array: 636// 637// GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES, 638// content_type_names_incorrect_size); 639// 640// or to make sure a struct is smaller than a certain size: 641// 642// GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); 643// 644// The second argument to the macro is the name of the variable. If 645// the expression is false, most compilers will issue a warning/error 646// containing the name of the variable. 647 648template <bool> 649struct CompileAssert { 650}; 651 652#define GTEST_COMPILE_ASSERT_(expr, msg) \ 653 typedef ::testing::internal::CompileAssert<(bool(expr))> \ 654 msg[bool(expr) ? 1 : -1] 655 656// Implementation details of GTEST_COMPILE_ASSERT_: 657// 658// - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 659// elements (and thus is invalid) when the expression is false. 660// 661// - The simpler definition 662// 663// #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] 664// 665// does not work, as gcc supports variable-length arrays whose sizes 666// are determined at run-time (this is gcc's extension and not part 667// of the C++ standard). As a result, gcc fails to reject the 668// following code with the simple definition: 669// 670// int foo; 671// GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is 672// // not a compile-time constant. 673// 674// - By using the type CompileAssert<(bool(expr))>, we ensures that 675// expr is a compile-time constant. (Template arguments must be 676// determined at compile-time.) 677// 678// - The outter parentheses in CompileAssert<(bool(expr))> are necessary 679// to work around a bug in gcc 3.4.4 and 4.0.1. If we had written 680// 681// CompileAssert<bool(expr)> 682// 683// instead, these compilers will refuse to compile 684// 685// GTEST_COMPILE_ASSERT_(5 > 0, some_message); 686// 687// (They seem to think the ">" in "5 > 0" marks the end of the 688// template argument list.) 689// 690// - The array size is (bool(expr) ? 1 : -1), instead of simply 691// 692// ((expr) ? 1 : -1). 693// 694// This is to avoid running into a bug in MS VC 7.1, which 695// causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. 696 697// StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. 698// 699// This template is declared, but intentionally undefined. 700template <typename T1, typename T2> 701struct StaticAssertTypeEqHelper; 702 703template <typename T> 704struct StaticAssertTypeEqHelper<T, T> {}; 705 706#if GTEST_HAS_GLOBAL_STRING 707typedef ::string string; 708#else 709typedef ::std::string string; 710#endif // GTEST_HAS_GLOBAL_STRING 711 712#if GTEST_HAS_GLOBAL_WSTRING 713typedef ::wstring wstring; 714#elif GTEST_HAS_STD_WSTRING 715typedef ::std::wstring wstring; 716#endif // GTEST_HAS_GLOBAL_WSTRING 717 718typedef ::std::stringstream StrStream; 719 720// A helper for suppressing warnings on constant condition. It just 721// returns 'condition'. 722GTEST_API_ bool IsTrue(bool condition); 723 724// Defines scoped_ptr. 725 726// This implementation of scoped_ptr is PARTIAL - it only contains 727// enough stuff to satisfy Google Test's need. 728template <typename T> 729class scoped_ptr { 730 public: 731 typedef T element_type; 732 733 explicit scoped_ptr(T* p = NULL) : ptr_(p) {} 734 ~scoped_ptr() { reset(); } 735 736 T& operator*() const { return *ptr_; } 737 T* operator->() const { return ptr_; } 738 T* get() const { return ptr_; } 739 740 T* release() { 741 T* const ptr = ptr_; 742 ptr_ = NULL; 743 return ptr; 744 } 745 746 void reset(T* p = NULL) { 747 if (p != ptr_) { 748 if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. 749 delete ptr_; 750 } 751 ptr_ = p; 752 } 753 } 754 private: 755 T* ptr_; 756 757 GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); 758}; 759 760// Defines RE. 761 762// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended 763// Regular Expression syntax. 764class GTEST_API_ RE { 765 public: 766 // A copy constructor is required by the Standard to initialize object 767 // references from r-values. 768 RE(const RE& other) { Init(other.pattern()); } 769 770 // Constructs an RE from a string. 771 RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT 772 773#if GTEST_HAS_GLOBAL_STRING 774 RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT 775#endif // GTEST_HAS_GLOBAL_STRING 776 777 RE(const char* regex) { Init(regex); } // NOLINT 778 ~RE(); 779 780 // Returns the string representation of the regex. 781 const char* pattern() const { return pattern_; } 782 783 // FullMatch(str, re) returns true iff regular expression re matches 784 // the entire str. 785 // PartialMatch(str, re) returns true iff regular expression re 786 // matches a substring of str (including str itself). 787 // 788 // TODO(wan@google.com): make FullMatch() and PartialMatch() work 789 // when str contains NUL characters. 790 static bool FullMatch(const ::std::string& str, const RE& re) { 791 return FullMatch(str.c_str(), re); 792 } 793 static bool PartialMatch(const ::std::string& str, const RE& re) { 794 return PartialMatch(str.c_str(), re); 795 } 796 797#if GTEST_HAS_GLOBAL_STRING 798 static bool FullMatch(const ::string& str, const RE& re) { 799 return FullMatch(str.c_str(), re); 800 } 801 static bool PartialMatch(const ::string& str, const RE& re) { 802 return PartialMatch(str.c_str(), re); 803 } 804#endif // GTEST_HAS_GLOBAL_STRING 805 806 static bool FullMatch(const char* str, const RE& re); 807 static bool PartialMatch(const char* str, const RE& re); 808 809 private: 810 void Init(const char* regex); 811 812 // We use a const char* instead of a string, as Google Test may be used 813 // where string is not available. We also do not use Google Test's own 814 // String type here, in order to simplify dependencies between the 815 // files. 816 const char* pattern_; 817 bool is_valid_; 818#if GTEST_USES_POSIX_RE 819 regex_t full_regex_; // For FullMatch(). 820 regex_t partial_regex_; // For PartialMatch(). 821#else // GTEST_USES_SIMPLE_RE 822 const char* full_pattern_; // For FullMatch(); 823#endif 824 825 GTEST_DISALLOW_ASSIGN_(RE); 826}; 827 828// Defines logging utilities: 829// GTEST_LOG_(severity) - logs messages at the specified severity level. The 830// message itself is streamed into the macro. 831// LogToStderr() - directs all log messages to stderr. 832// FlushInfoLog() - flushes informational log messages. 833 834enum GTestLogSeverity { 835 GTEST_INFO, 836 GTEST_WARNING, 837 GTEST_ERROR, 838 GTEST_FATAL 839}; 840 841// Formats log entry severity, provides a stream object for streaming the 842// log message, and terminates the message with a newline when going out of 843// scope. 844class GTEST_API_ GTestLog { 845 public: 846 GTestLog(GTestLogSeverity severity, const char* file, int line); 847 848 // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. 849 ~GTestLog(); 850 851 ::std::ostream& GetStream() { return ::std::cerr; } 852 853 private: 854 const GTestLogSeverity severity_; 855 856 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog); 857}; 858 859#define GTEST_LOG_(severity) \ 860 ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \ 861 __FILE__, __LINE__).GetStream() 862 863inline void LogToStderr() {} 864inline void FlushInfoLog() { fflush(NULL); } 865 866// INTERNAL IMPLEMENTATION - DO NOT USE. 867// 868// GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition 869// is not satisfied. 870// Synopsys: 871// GTEST_CHECK_(boolean_condition); 872// or 873// GTEST_CHECK_(boolean_condition) << "Additional message"; 874// 875// This checks the condition and if the condition is not satisfied 876// it prints message about the condition violation, including the 877// condition itself, plus additional message streamed into it, if any, 878// and then it aborts the program. It aborts the program irrespective of 879// whether it is built in the debug mode or not. 880#define GTEST_CHECK_(condition) \ 881 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 882 if (::testing::internal::IsTrue(condition)) \ 883 ; \ 884 else \ 885 GTEST_LOG_(FATAL) << "Condition " #condition " failed. " 886 887// An all-mode assert to verify that the given POSIX-style function 888// call returns 0 (indicating success). Known limitation: this 889// doesn't expand to a balanced 'if' statement, so enclose the macro 890// in {} if you need to use it as the only statement in an 'if' 891// branch. 892#define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \ 893 if (const int gtest_error = (posix_call)) \ 894 GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ 895 << gtest_error 896 897// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. 898// 899// Use implicit_cast as a safe version of static_cast for upcasting in 900// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a 901// const Foo*). When you use implicit_cast, the compiler checks that 902// the cast is safe. Such explicit implicit_casts are necessary in 903// surprisingly many situations where C++ demands an exact type match 904// instead of an argument type convertable to a target type. 905// 906// The syntax for using implicit_cast is the same as for static_cast: 907// 908// implicit_cast<ToType>(expr) 909// 910// implicit_cast would have been part of the C++ standard library, 911// but the proposal was submitted too late. It will probably make 912// its way into the language in the future. 913template<typename To> 914inline To implicit_cast(To x) { return x; } 915 916// When you upcast (that is, cast a pointer from type Foo to type 917// SuperclassOfFoo), it's fine to use implicit_cast<>, since upcasts 918// always succeed. When you downcast (that is, cast a pointer from 919// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because 920// how do you know the pointer is really of type SubclassOfFoo? It 921// could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, 922// when you downcast, you should use this macro. In debug mode, we 923// use dynamic_cast<> to double-check the downcast is legal (we die 924// if it's not). In normal mode, we do the efficient static_cast<> 925// instead. Thus, it's important to test in debug mode to make sure 926// the cast is legal! 927// This is the only place in the code we should use dynamic_cast<>. 928// In particular, you SHOULDN'T be using dynamic_cast<> in order to 929// do RTTI (eg code like this: 930// if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); 931// if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); 932// You should design the code some other way not to need this. 933template<typename To, typename From> // use like this: down_cast<T*>(foo); 934inline To down_cast(From* f) { // so we only accept pointers 935 // Ensures that To is a sub-type of From *. This test is here only 936 // for compile-time type checking, and has no overhead in an 937 // optimized build at run-time, as it will be optimized away 938 // completely. 939 if (false) { 940 const To to = NULL; 941 ::testing::internal::implicit_cast<From*>(to); 942 } 943 944#if GTEST_HAS_RTTI 945 // RTTI: debug mode only! 946 GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); 947#endif 948 return static_cast<To>(f); 949} 950 951// Downcasts the pointer of type Base to Derived. 952// Derived must be a subclass of Base. The parameter MUST 953// point to a class of type Derived, not any subclass of it. 954// When RTTI is available, the function performs a runtime 955// check to enforce this. 956template <class Derived, class Base> 957Derived* CheckedDowncastToActualType(Base* base) { 958#if GTEST_HAS_RTTI 959 GTEST_CHECK_(typeid(*base) == typeid(Derived)); 960 return dynamic_cast<Derived*>(base); // NOLINT 961#else 962 return static_cast<Derived*>(base); // Poor man's downcast. 963#endif 964} 965 966#if GTEST_HAS_STREAM_REDIRECTION_ 967 968// Defines the stderr capturer: 969// CaptureStdout - starts capturing stdout. 970// GetCapturedStdout - stops capturing stdout and returns the captured string. 971// CaptureStderr - starts capturing stderr. 972// GetCapturedStderr - stops capturing stderr and returns the captured string. 973// 974GTEST_API_ void CaptureStdout(); 975GTEST_API_ String GetCapturedStdout(); 976GTEST_API_ void CaptureStderr(); 977GTEST_API_ String GetCapturedStderr(); 978 979#endif // GTEST_HAS_STREAM_REDIRECTION_ 980 981 982#if GTEST_HAS_DEATH_TEST 983 984// A copy of all command line arguments. Set by InitGoogleTest(). 985extern ::std::vector<String> g_argvs; 986 987// GTEST_HAS_DEATH_TEST implies we have ::std::string. 988const ::std::vector<String>& GetArgvs(); 989 990#endif // GTEST_HAS_DEATH_TEST 991 992// Defines synchronization primitives. 993 994#if GTEST_HAS_PTHREAD 995 996// Sleeps for (roughly) n milli-seconds. This function is only for 997// testing Google Test's own constructs. Don't use it in user tests, 998// either directly or indirectly. 999inline void SleepMilliseconds(int n) { 1000 const timespec time = { 1001 0, // 0 seconds. 1002 n * 1000L * 1000L, // And n ms. 1003 }; 1004 nanosleep(&time, NULL); 1005} 1006 1007// Allows a controller thread to pause execution of newly created 1008// threads until notified. Instances of this class must be created 1009// and destroyed in the controller thread. 1010// 1011// This class is only for testing Google Test's own constructs. Do not 1012// use it in user tests, either directly or indirectly. 1013class Notification { 1014 public: 1015 Notification() : notified_(false) {} 1016 1017 // Notifies all threads created with this notification to start. Must 1018 // be called from the controller thread. 1019 void Notify() { notified_ = true; } 1020 1021 // Blocks until the controller thread notifies. Must be called from a test 1022 // thread. 1023 void WaitForNotification() { 1024 while(!notified_) { 1025 SleepMilliseconds(10); 1026 } 1027 } 1028 1029 private: 1030 volatile bool notified_; 1031 1032 GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); 1033}; 1034 1035// As a C-function, ThreadFuncWithCLinkage cannot be templated itself. 1036// Consequently, it cannot select a correct instantiation of ThreadWithParam 1037// in order to call its Run(). Introducing ThreadWithParamBase as a 1038// non-templated base class for ThreadWithParam allows us to bypass this 1039// problem. 1040class ThreadWithParamBase { 1041 public: 1042 virtual ~ThreadWithParamBase() {} 1043 virtual void Run() = 0; 1044}; 1045 1046// pthread_create() accepts a pointer to a function type with the C linkage. 1047// According to the Standard (7.5/1), function types with different linkages 1048// are different even if they are otherwise identical. Some compilers (for 1049// example, SunStudio) treat them as different types. Since class methods 1050// cannot be defined with C-linkage we need to define a free C-function to 1051// pass into pthread_create(). 1052extern "C" inline void* ThreadFuncWithCLinkage(void* thread) { 1053 static_cast<ThreadWithParamBase*>(thread)->Run(); 1054 return NULL; 1055} 1056 1057// Helper class for testing Google Test's multi-threading constructs. 1058// To use it, write: 1059// 1060// void ThreadFunc(int param) { /* Do things with param */ } 1061// Notification thread_can_start; 1062// ... 1063// // The thread_can_start parameter is optional; you can supply NULL. 1064// ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start); 1065// thread_can_start.Notify(); 1066// 1067// These classes are only for testing Google Test's own constructs. Do 1068// not use them in user tests, either directly or indirectly. 1069template <typename T> 1070class ThreadWithParam : public ThreadWithParamBase { 1071 public: 1072 typedef void (*UserThreadFunc)(T); 1073 1074 ThreadWithParam( 1075 UserThreadFunc func, T param, Notification* thread_can_start) 1076 : func_(func), 1077 param_(param), 1078 thread_can_start_(thread_can_start), 1079 finished_(false) { 1080 ThreadWithParamBase* const base = this; 1081 // The thread can be created only after all fields except thread_ 1082 // have been initialized. 1083 GTEST_CHECK_POSIX_SUCCESS_( 1084 pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); 1085 } 1086 ~ThreadWithParam() { Join(); } 1087 1088 void Join() { 1089 if (!finished_) { 1090 GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); 1091 finished_ = true; 1092 } 1093 } 1094 1095 virtual void Run() { 1096 if (thread_can_start_ != NULL) 1097 thread_can_start_->WaitForNotification(); 1098 func_(param_); 1099 } 1100 1101 private: 1102 const UserThreadFunc func_; // User-supplied thread function. 1103 const T param_; // User-supplied parameter to the thread function. 1104 // When non-NULL, used to block execution until the controller thread 1105 // notifies. 1106 Notification* const thread_can_start_; 1107 bool finished_; // true iff we know that the thread function has finished. 1108 pthread_t thread_; // The native thread object. 1109 1110 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); 1111}; 1112 1113// MutexBase and Mutex implement mutex on pthreads-based platforms. They 1114// are used in conjunction with class MutexLock: 1115// 1116// Mutex mutex; 1117// ... 1118// MutexLock lock(&mutex); // Acquires the mutex and releases it at the end 1119// // of the current scope. 1120// 1121// MutexBase implements behavior for both statically and dynamically 1122// allocated mutexes. Do not use MutexBase directly. Instead, write 1123// the following to define a static mutex: 1124// 1125// GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex); 1126// 1127// You can forward declare a static mutex like this: 1128// 1129// GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex); 1130// 1131// To create a dynamic mutex, just define an object of type Mutex. 1132class MutexBase { 1133 public: 1134 // Acquires this mutex. 1135 void Lock() { 1136 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_)); 1137 owner_ = pthread_self(); 1138 } 1139 1140 // Releases this mutex. 1141 void Unlock() { 1142 // We don't protect writing to owner_ here, as it's the caller's 1143 // responsibility to ensure that the current thread holds the 1144 // mutex when this is called. 1145 owner_ = 0; 1146 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_)); 1147 } 1148 1149 // Does nothing if the current thread holds the mutex. Otherwise, crashes 1150 // with high probability. 1151 void AssertHeld() const { 1152 GTEST_CHECK_(owner_ == pthread_self()) 1153 << "The current thread is not holding the mutex @" << this; 1154 } 1155 1156 // A static mutex may be used before main() is entered. It may even 1157 // be used before the dynamic initialization stage. Therefore we 1158 // must be able to initialize a static mutex object at link time. 1159 // This means MutexBase has to be a POD and its member variables 1160 // have to be public. 1161 public: 1162 pthread_mutex_t mutex_; // The underlying pthread mutex. 1163 pthread_t owner_; // The thread holding the mutex; 0 means no one holds it. 1164}; 1165 1166// Forward-declares a static mutex. 1167#define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 1168 extern ::testing::internal::MutexBase mutex 1169 1170// Defines and statically (i.e. at link time) initializes a static mutex. 1171#define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ 1172 ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, 0 } 1173 1174// The Mutex class can only be used for mutexes created at runtime. It 1175// shares its API with MutexBase otherwise. 1176class Mutex : public MutexBase { 1177 public: 1178 Mutex() { 1179 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); 1180 owner_ = 0; 1181 } 1182 ~Mutex() { 1183 GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_)); 1184 } 1185 1186 private: 1187 GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); 1188}; 1189 1190// We cannot name this class MutexLock as the ctor declaration would 1191// conflict with a macro named MutexLock, which is defined on some 1192// platforms. Hence the typedef trick below. 1193class GTestMutexLock { 1194 public: 1195 explicit GTestMutexLock(MutexBase* mutex) 1196 : mutex_(mutex) { mutex_->Lock(); } 1197 1198 ~GTestMutexLock() { mutex_->Unlock(); } 1199 1200 private: 1201 MutexBase* const mutex_; 1202 1203 GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); 1204}; 1205 1206typedef GTestMutexLock MutexLock; 1207 1208// Helpers for ThreadLocal. 1209 1210// pthread_key_create() requires DeleteThreadLocalValue() to have 1211// C-linkage. Therefore it cannot be templatized to access 1212// ThreadLocal<T>. Hence the need for class 1213// ThreadLocalValueHolderBase. 1214class ThreadLocalValueHolderBase { 1215 public: 1216 virtual ~ThreadLocalValueHolderBase() {} 1217}; 1218 1219// Called by pthread to delete thread-local data stored by 1220// pthread_setspecific(). 1221extern "C" inline void DeleteThreadLocalValue(void* value_holder) { 1222 delete static_cast<ThreadLocalValueHolderBase*>(value_holder); 1223} 1224 1225// Implements thread-local storage on pthreads-based systems. 1226// 1227// // Thread 1 1228// ThreadLocal<int> tl(100); // 100 is the default value for each thread. 1229// 1230// // Thread 2 1231// tl.set(150); // Changes the value for thread 2 only. 1232// EXPECT_EQ(150, tl.get()); 1233// 1234// // Thread 1 1235// EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value. 1236// tl.set(200); 1237// EXPECT_EQ(200, tl.get()); 1238// 1239// The template type argument T must have a public copy constructor. 1240// In addition, the default ThreadLocal constructor requires T to have 1241// a public default constructor. 1242// 1243// An object managed for a thread by a ThreadLocal instance is deleted 1244// when the thread exits. Or, if the ThreadLocal instance dies in 1245// that thread, when the ThreadLocal dies. It's the user's 1246// responsibility to ensure that all other threads using a ThreadLocal 1247// have exited when it dies, or the per-thread objects for those 1248// threads will not be deleted. 1249// 1250// Google Test only uses global ThreadLocal objects. That means they 1251// will die after main() has returned. Therefore, no per-thread 1252// object managed by Google Test will be leaked as long as all threads 1253// using Google Test have exited when main() returns. 1254template <typename T> 1255class ThreadLocal { 1256 public: 1257 ThreadLocal() : key_(CreateKey()), 1258 default_() {} 1259 explicit ThreadLocal(const T& value) : key_(CreateKey()), 1260 default_(value) {} 1261 1262 ~ThreadLocal() { 1263 // Destroys the managed object for the current thread, if any. 1264 DeleteThreadLocalValue(pthread_getspecific(key_)); 1265 1266 // Releases resources associated with the key. This will *not* 1267 // delete managed objects for other threads. 1268 GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_)); 1269 } 1270 1271 T* pointer() { return GetOrCreateValue(); } 1272 const T* pointer() const { return GetOrCreateValue(); } 1273 const T& get() const { return *pointer(); } 1274 void set(const T& value) { *pointer() = value; } 1275 1276 private: 1277 // Holds a value of type T. 1278 class ValueHolder : public ThreadLocalValueHolderBase { 1279 public: 1280 explicit ValueHolder(const T& value) : value_(value) {} 1281 1282 T* pointer() { return &value_; } 1283 1284 private: 1285 T value_; 1286 GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); 1287 }; 1288 1289 static pthread_key_t CreateKey() { 1290 pthread_key_t key; 1291 // When a thread exits, DeleteThreadLocalValue() will be called on 1292 // the object managed for that thread. 1293 GTEST_CHECK_POSIX_SUCCESS_( 1294 pthread_key_create(&key, &DeleteThreadLocalValue)); 1295 return key; 1296 } 1297 1298 T* GetOrCreateValue() const { 1299 ThreadLocalValueHolderBase* const holder = 1300 static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); 1301 if (holder != NULL) { 1302 return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); 1303 } 1304 1305 ValueHolder* const new_holder = new ValueHolder(default_); 1306 ThreadLocalValueHolderBase* const holder_base = new_holder; 1307 GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base)); 1308 return new_holder->pointer(); 1309 } 1310 1311 // A key pthreads uses for looking up per-thread values. 1312 const pthread_key_t key_; 1313 const T default_; // The default value for each thread. 1314 1315 GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); 1316}; 1317 1318#define GTEST_IS_THREADSAFE 1 1319 1320#else // GTEST_HAS_PTHREAD 1321 1322// A dummy implementation of synchronization primitives (mutex, lock, 1323// and thread-local variable). Necessary for compiling Google Test where 1324// mutex is not supported - using Google Test in multiple threads is not 1325// supported on such platforms. 1326 1327class Mutex { 1328 public: 1329 Mutex() {} 1330 void AssertHeld() const {} 1331}; 1332 1333#define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ 1334 extern ::testing::internal::Mutex mutex 1335 1336#define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex 1337 1338class GTestMutexLock { 1339 public: 1340 explicit GTestMutexLock(Mutex*) {} // NOLINT 1341}; 1342 1343typedef GTestMutexLock MutexLock; 1344 1345template <typename T> 1346class ThreadLocal { 1347 public: 1348 ThreadLocal() : value_() {} 1349 explicit ThreadLocal(const T& value) : value_(value) {} 1350 T* pointer() { return &value_; } 1351 const T* pointer() const { return &value_; } 1352 const T& get() const { return value_; } 1353 void set(const T& value) { value_ = value; } 1354 private: 1355 T value_; 1356}; 1357 1358// The above synchronization primitives have dummy implementations. 1359// Therefore Google Test is not thread-safe. 1360#define GTEST_IS_THREADSAFE 0 1361 1362#endif // GTEST_HAS_PTHREAD 1363 1364// Returns the number of threads running in the process, or 0 to indicate that 1365// we cannot detect it. 1366GTEST_API_ size_t GetThreadCount(); 1367 1368// Passing non-POD classes through ellipsis (...) crashes the ARM 1369// compiler and generates a warning in Sun Studio. The Nokia Symbian 1370// and the IBM XL C/C++ compiler try to instantiate a copy constructor 1371// for objects passed through ellipsis (...), failing for uncopyable 1372// objects. We define this to ensure that only POD is passed through 1373// ellipsis on these systems. 1374#if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) 1375// We lose support for NULL detection where the compiler doesn't like 1376// passing non-POD classes through ellipsis (...). 1377#define GTEST_ELLIPSIS_NEEDS_POD_ 1 1378#else 1379#define GTEST_CAN_COMPARE_NULL 1 1380#endif 1381 1382// The Nokia Symbian and IBM XL C/C++ compilers cannot decide between 1383// const T& and const T* in a function template. These compilers 1384// _can_ decide between class template specializations for T and T*, 1385// so a tr1::type_traits-like is_pointer works. 1386#if defined(__SYMBIAN32__) || defined(__IBMCPP__) 1387#define GTEST_NEEDS_IS_POINTER_ 1 1388#endif 1389 1390template <bool bool_value> 1391struct bool_constant { 1392 typedef bool_constant<bool_value> type; 1393 static const bool value = bool_value; 1394}; 1395template <bool bool_value> const bool bool_constant<bool_value>::value; 1396 1397typedef bool_constant<false> false_type; 1398typedef bool_constant<true> true_type; 1399 1400template <typename T> 1401struct is_pointer : public false_type {}; 1402 1403template <typename T> 1404struct is_pointer<T*> : public true_type {}; 1405 1406#if GTEST_OS_WINDOWS 1407#define GTEST_PATH_SEP_ "\\" 1408#define GTEST_HAS_ALT_PATH_SEP_ 1 1409// The biggest signed integer type the compiler supports. 1410typedef __int64 BiggestInt; 1411#else 1412#define GTEST_PATH_SEP_ "/" 1413#define GTEST_HAS_ALT_PATH_SEP_ 0 1414typedef long long BiggestInt; // NOLINT 1415#endif // GTEST_OS_WINDOWS 1416 1417// The testing::internal::posix namespace holds wrappers for common 1418// POSIX functions. These wrappers hide the differences between 1419// Windows/MSVC and POSIX systems. Since some compilers define these 1420// standard functions as macros, the wrapper cannot have the same name 1421// as the wrapped function. 1422 1423namespace posix { 1424 1425// Functions with a different name on Windows. 1426 1427#if GTEST_OS_WINDOWS 1428 1429typedef struct _stat StatStruct; 1430 1431#ifdef __BORLANDC__ 1432inline int IsATTY(int fd) { return isatty(fd); } 1433inline int StrCaseCmp(const char* s1, const char* s2) { 1434 return stricmp(s1, s2); 1435} 1436inline char* StrDup(const char* src) { return strdup(src); } 1437#else // !__BORLANDC__ 1438#if GTEST_OS_WINDOWS_MOBILE 1439inline int IsATTY(int /* fd */) { return 0; } 1440#else 1441inline int IsATTY(int fd) { return _isatty(fd); } 1442#endif // GTEST_OS_WINDOWS_MOBILE 1443inline int StrCaseCmp(const char* s1, const char* s2) { 1444 return _stricmp(s1, s2); 1445} 1446inline char* StrDup(const char* src) { return _strdup(src); } 1447#endif // __BORLANDC__ 1448 1449#if GTEST_OS_WINDOWS_MOBILE 1450inline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); } 1451// Stat(), RmDir(), and IsDir() are not needed on Windows CE at this 1452// time and thus not defined there. 1453#else 1454inline int FileNo(FILE* file) { return _fileno(file); } 1455inline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); } 1456inline int RmDir(const char* dir) { return _rmdir(dir); } 1457inline bool IsDir(const StatStruct& st) { 1458 return (_S_IFDIR & st.st_mode) != 0; 1459} 1460#endif // GTEST_OS_WINDOWS_MOBILE 1461 1462#else 1463 1464typedef struct stat StatStruct; 1465 1466inline int FileNo(FILE* file) { return fileno(file); } 1467inline int IsATTY(int fd) { return isatty(fd); } 1468inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } 1469inline int StrCaseCmp(const char* s1, const char* s2) { 1470 return strcasecmp(s1, s2); 1471} 1472inline char* StrDup(const char* src) { return strdup(src); } 1473inline int RmDir(const char* dir) { return rmdir(dir); } 1474inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } 1475 1476#endif // GTEST_OS_WINDOWS 1477 1478// Functions deprecated by MSVC 8.0. 1479 1480#ifdef _MSC_VER 1481// Temporarily disable warning 4996 (deprecated function). 1482#pragma warning(push) 1483#pragma warning(disable:4996) 1484#endif 1485 1486inline const char* StrNCpy(char* dest, const char* src, size_t n) { 1487 return strncpy(dest, src, n); 1488} 1489 1490// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and 1491// StrError() aren't needed on Windows CE at this time and thus not 1492// defined there. 1493 1494#if !GTEST_OS_WINDOWS_MOBILE 1495inline int ChDir(const char* dir) { return chdir(dir); } 1496#endif 1497inline FILE* FOpen(const char* path, const char* mode) { 1498 return fopen(path, mode); 1499} 1500#if !GTEST_OS_WINDOWS_MOBILE 1501inline FILE *FReopen(const char* path, const char* mode, FILE* stream) { 1502 return freopen(path, mode, stream); 1503} 1504inline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); } 1505#endif 1506inline int FClose(FILE* fp) { return fclose(fp); } 1507#if !GTEST_OS_WINDOWS_MOBILE 1508inline int Read(int fd, void* buf, unsigned int count) { 1509 return static_cast<int>(read(fd, buf, count)); 1510} 1511inline int Write(int fd, const void* buf, unsigned int count) { 1512 return static_cast<int>(write(fd, buf, count)); 1513} 1514inline int Close(int fd) { return close(fd); } 1515inline const char* StrError(int errnum) { return strerror(errnum); } 1516#endif 1517inline const char* GetEnv(const char* name) { 1518#if GTEST_OS_WINDOWS_MOBILE 1519 // We are on Windows CE, which has no environment variables. 1520 return NULL; 1521#elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9) 1522 // Environment variables which we programmatically clear will be set to the 1523 // empty string rather than unset (NULL). Handle that case. 1524 const char* const env = getenv(name); 1525 return (env != NULL && env[0] != '\0') ? env : NULL; 1526#else 1527 return getenv(name); 1528#endif 1529} 1530 1531#ifdef _MSC_VER 1532#pragma warning(pop) // Restores the warning state. 1533#endif 1534 1535#if GTEST_OS_WINDOWS_MOBILE 1536// Windows CE has no C library. The abort() function is used in 1537// several places in Google Test. This implementation provides a reasonable 1538// imitation of standard behaviour. 1539void Abort(); 1540#else 1541inline void Abort() { abort(); } 1542#endif // GTEST_OS_WINDOWS_MOBILE 1543 1544} // namespace posix 1545 1546// The maximum number a BiggestInt can represent. This definition 1547// works no matter BiggestInt is represented in one's complement or 1548// two's complement. 1549// 1550// We cannot rely on numeric_limits in STL, as __int64 and long long 1551// are not part of standard C++ and numeric_limits doesn't need to be 1552// defined for them. 1553const BiggestInt kMaxBiggestInt = 1554 ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); 1555 1556// This template class serves as a compile-time function from size to 1557// type. It maps a size in bytes to a primitive type with that 1558// size. e.g. 1559// 1560// TypeWithSize<4>::UInt 1561// 1562// is typedef-ed to be unsigned int (unsigned integer made up of 4 1563// bytes). 1564// 1565// Such functionality should belong to STL, but I cannot find it 1566// there. 1567// 1568// Google Test uses this class in the implementation of floating-point 1569// comparison. 1570// 1571// For now it only handles UInt (unsigned int) as that's all Google Test 1572// needs. Other types can be easily added in the future if need 1573// arises. 1574template <size_t size> 1575class TypeWithSize { 1576 public: 1577 // This prevents the user from using TypeWithSize<N> with incorrect 1578 // values of N. 1579 typedef void UInt; 1580}; 1581 1582// The specialization for size 4. 1583template <> 1584class TypeWithSize<4> { 1585 public: 1586 // unsigned int has size 4 in both gcc and MSVC. 1587 // 1588 // As base/basictypes.h doesn't compile on Windows, we cannot use 1589 // uint32, uint64, and etc here. 1590 typedef int Int; 1591 typedef unsigned int UInt; 1592}; 1593 1594// The specialization for size 8. 1595template <> 1596class TypeWithSize<8> { 1597 public: 1598#if GTEST_OS_WINDOWS 1599 typedef __int64 Int; 1600 typedef unsigned __int64 UInt; 1601#else 1602 typedef long long Int; // NOLINT 1603 typedef unsigned long long UInt; // NOLINT 1604#endif // GTEST_OS_WINDOWS 1605}; 1606 1607// Integer types of known sizes. 1608typedef TypeWithSize<4>::Int Int32; 1609typedef TypeWithSize<4>::UInt UInt32; 1610typedef TypeWithSize<8>::Int Int64; 1611typedef TypeWithSize<8>::UInt UInt64; 1612typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. 1613 1614// Utilities for command line flags and environment variables. 1615 1616// Macro for referencing flags. 1617#define GTEST_FLAG(name) FLAGS_gtest_##name 1618 1619// Macros for declaring flags. 1620#define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) 1621#define GTEST_DECLARE_int32_(name) \ 1622 GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) 1623#define GTEST_DECLARE_string_(name) \ 1624 GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name) 1625 1626// Macros for defining flags. 1627#define GTEST_DEFINE_bool_(name, default_val, doc) \ 1628 GTEST_API_ bool GTEST_FLAG(name) = (default_val) 1629#define GTEST_DEFINE_int32_(name, default_val, doc) \ 1630 GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) 1631#define GTEST_DEFINE_string_(name, default_val, doc) \ 1632 GTEST_API_ ::testing::internal::String GTEST_FLAG(name) = (default_val) 1633 1634// Parses 'str' for a 32-bit signed integer. If successful, writes the result 1635// to *value and returns true; otherwise leaves *value unchanged and returns 1636// false. 1637// TODO(chandlerc): Find a better way to refactor flag and environment parsing 1638// out of both gtest-port.cc and gtest.cc to avoid exporting this utility 1639// function. 1640bool ParseInt32(const Message& src_text, const char* str, Int32* value); 1641 1642// Parses a bool/Int32/string from the environment variable 1643// corresponding to the given Google Test flag. 1644bool BoolFromGTestEnv(const char* flag, bool default_val); 1645GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); 1646const char* StringFromGTestEnv(const char* flag, const char* default_val); 1647 1648} // namespace internal 1649} // namespace testing 1650 1651#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ 1652