diff options
Diffstat (limited to 'gtest-1.6.0/include/gtest/internal/gtest-port.h')
| -rw-r--r-- | gtest-1.6.0/include/gtest/internal/gtest-port.h | 1775 |
1 files changed, 0 insertions, 1775 deletions
diff --git a/gtest-1.6.0/include/gtest/internal/gtest-port.h b/gtest-1.6.0/include/gtest/internal/gtest-port.h deleted file mode 100644 index 157b47f..0000000 --- a/gtest-1.6.0/include/gtest/internal/gtest-port.h +++ /dev/null @@ -1,1775 +0,0 @@ -// Copyright 2005, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Authors: wan@google.com (Zhanyong Wan) -// -// Low-level types and utilities for porting Google Test to various -// platforms. They are subject to change without notice. DO NOT USE -// THEM IN USER CODE. - -#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ -#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ - -// The user can define the following macros in the build script to -// control Google Test's behavior. If the user doesn't define a macro -// in this list, Google Test will define it. -// -// GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2) -// is/isn't available. -// GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions -// are enabled. -// GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string -// is/isn't available (some systems define -// ::string, which is different to std::string). -// GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string -// is/isn't available (some systems define -// ::wstring, which is different to std::wstring). -// GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular -// expressions are/aren't available. -// GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> -// is/isn't available. -// GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't -// enabled. -// GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that -// std::wstring does/doesn't work (Google Test can -// be used where std::wstring is unavailable). -// GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple -// is/isn't available. -// GTEST_HAS_SEH - Define it to 1/0 to indicate whether the -// compiler supports Microsoft's "Structured -// Exception Handling". -// GTEST_HAS_STREAM_REDIRECTION -// - Define it to 1/0 to indicate whether the -// platform supports I/O stream redirection using -// dup() and dup2(). -// GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google -// Test's own tr1 tuple implementation should be -// used. Unused when the user sets -// GTEST_HAS_TR1_TUPLE to 0. -// GTEST_LINKED_AS_SHARED_LIBRARY -// - Define to 1 when compiling tests that use -// Google Test as a shared library (known as -// DLL on Windows). -// GTEST_CREATE_SHARED_LIBRARY -// - Define to 1 when compiling Google Test itself -// as a shared library. - -// This header defines the following utilities: -// -// Macros indicating the current platform (defined to 1 if compiled on -// the given platform; otherwise undefined): -// GTEST_OS_AIX - IBM AIX -// GTEST_OS_CYGWIN - Cygwin -// GTEST_OS_HPUX - HP-UX -// GTEST_OS_LINUX - Linux -// GTEST_OS_LINUX_ANDROID - Google Android -// GTEST_OS_MAC - Mac OS X -// GTEST_OS_NACL - Google Native Client (NaCl) -// GTEST_OS_SOLARIS - Sun Solaris -// GTEST_OS_SYMBIAN - Symbian -// GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile) -// GTEST_OS_WINDOWS_DESKTOP - Windows Desktop -// GTEST_OS_WINDOWS_MINGW - MinGW -// GTEST_OS_WINDOWS_MOBILE - Windows Mobile -// GTEST_OS_ZOS - z/OS -// -// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the -// most stable support. Since core members of the Google Test project -// don't have access to other platforms, support for them may be less -// stable. If you notice any problems on your platform, please notify -// googletestframework@googlegroups.com (patches for fixing them are -// even more welcome!). -// -// Note that it is possible that none of the GTEST_OS_* macros are defined. -// -// Macros indicating available Google Test features (defined to 1 if -// the corresponding feature is supported; otherwise undefined): -// GTEST_HAS_COMBINE - the Combine() function (for value-parameterized -// tests) -// GTEST_HAS_DEATH_TEST - death tests -// GTEST_HAS_PARAM_TEST - value-parameterized tests -// GTEST_HAS_TYPED_TEST - typed tests -// GTEST_HAS_TYPED_TEST_P - type-parameterized tests -// GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with -// GTEST_HAS_POSIX_RE (see above) which users can -// define themselves. -// GTEST_USES_SIMPLE_RE - our own simple regex is used; -// the above two are mutually exclusive. -// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). -// -// Macros for basic C++ coding: -// GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning. -// GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a -// variable don't have to be used. -// GTEST_DISALLOW_ASSIGN_ - disables operator=. -// GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=. -// GTEST_MUST_USE_RESULT_ - declares that a function's result must be used. -// -// Synchronization: -// Mutex, MutexLock, ThreadLocal, GetThreadCount() -// - synchronization primitives. -// GTEST_IS_THREADSAFE - defined to 1 to indicate that the above -// synchronization primitives have real implementations -// and Google Test is thread-safe; or 0 otherwise. -// -// Template meta programming: -// is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. -// IteratorTraits - partial implementation of std::iterator_traits, which -// is not available in libCstd when compiled with Sun C++. -// -// Smart pointers: -// scoped_ptr - as in TR2. -// -// Regular expressions: -// RE - a simple regular expression class using the POSIX -// Extended Regular Expression syntax on UNIX-like -// platforms, or a reduced regular exception syntax on -// other platforms, including Windows. -// -// Logging: -// GTEST_LOG_() - logs messages at the specified severity level. -// LogToStderr() - directs all log messages to stderr. -// FlushInfoLog() - flushes informational log messages. -// -// Stdout and stderr capturing: -// CaptureStdout() - starts capturing stdout. -// GetCapturedStdout() - stops capturing stdout and returns the captured -// string. -// CaptureStderr() - starts capturing stderr. -// GetCapturedStderr() - stops capturing stderr and returns the captured -// string. -// -// Integer types: -// TypeWithSize - maps an integer to a int type. -// Int32, UInt32, Int64, UInt64, TimeInMillis -// - integers of known sizes. -// BiggestInt - the biggest signed integer type. -// -// Command-line utilities: -// GTEST_FLAG() - references a flag. -// GTEST_DECLARE_*() - declares a flag. -// GTEST_DEFINE_*() - defines a flag. -// GetArgvs() - returns the command line as a vector of strings. -// -// Environment variable utilities: -// GetEnv() - gets the value of an environment variable. -// BoolFromGTestEnv() - parses a bool environment variable. -// Int32FromGTestEnv() - parses an Int32 environment variable. -// StringFromGTestEnv() - parses a string environment variable. - -#include <ctype.h> // for isspace, etc -#include <stddef.h> // for ptrdiff_t -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#ifndef _WIN32_WCE -# include <sys/types.h> -# include <sys/stat.h> -#endif // !_WIN32_WCE - -#include <iostream> // NOLINT -#include <sstream> // NOLINT -#include <string> // NOLINT - -#define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com" -#define GTEST_FLAG_PREFIX_ "gtest_" -#define GTEST_FLAG_PREFIX_DASH_ "gtest-" -#define GTEST_FLAG_PREFIX_UPPER_ "GTEST_" -#define GTEST_NAME_ "Google Test" -#define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/" - -// Determines the version of gcc that is used to compile this. -#ifdef __GNUC__ -// 40302 means version 4.3.2. -# define GTEST_GCC_VER_ \ - (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__) -#endif // __GNUC__ - -// Determines the platform on which Google Test is compiled. -#ifdef __CYGWIN__ -# define GTEST_OS_CYGWIN 1 -#elif defined __SYMBIAN32__ -# define GTEST_OS_SYMBIAN 1 -#elif defined _WIN32 -# define GTEST_OS_WINDOWS 1 -# ifdef _WIN32_WCE -# define GTEST_OS_WINDOWS_MOBILE 1 -# elif defined(__MINGW__) || defined(__MINGW32__) -# define GTEST_OS_WINDOWS_MINGW 1 -# else -# define GTEST_OS_WINDOWS_DESKTOP 1 -# endif // _WIN32_WCE -#elif defined __APPLE__ -# define GTEST_OS_MAC 1 -#elif defined __linux__ -# define GTEST_OS_LINUX 1 -# ifdef ANDROID -# define GTEST_OS_LINUX_ANDROID 1 -# endif // ANDROID -#elif defined __MVS__ -# define GTEST_OS_ZOS 1 -#elif defined(__sun) && defined(__SVR4) -# define GTEST_OS_SOLARIS 1 -#elif defined(_AIX) -# define GTEST_OS_AIX 1 -#elif defined(__hpux) -# define GTEST_OS_HPUX 1 -#elif defined __native_client__ -# define GTEST_OS_NACL 1 -#endif // __CYGWIN__ - -// Brings in definitions for functions used in the testing::internal::posix -// namespace (read, write, close, chdir, isatty, stat). We do not currently -// use them on Windows Mobile. -#if !GTEST_OS_WINDOWS -// This assumes that non-Windows OSes provide unistd.h. For OSes where this -// is not the case, we need to include headers that provide the functions -// mentioned above. -# include <unistd.h> -# if !GTEST_OS_NACL -// TODO(vladl@google.com): Remove this condition when Native Client SDK adds -// strings.h (tracked in -// http://code.google.com/p/nativeclient/issues/detail?id=1175). -# include <strings.h> // Native Client doesn't provide strings.h. -# endif -#elif !GTEST_OS_WINDOWS_MOBILE -# include <direct.h> -# include <io.h> -#endif - -// Defines this to true iff Google Test can use POSIX regular expressions. -#ifndef GTEST_HAS_POSIX_RE -# define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS) -#endif - -#if GTEST_HAS_POSIX_RE - -// On some platforms, <regex.h> needs someone to define size_t, and -// won't compile otherwise. We can #include it here as we already -// included <stdlib.h>, which is guaranteed to define size_t through -// <stddef.h>. -# include <regex.h> // NOLINT - -# define GTEST_USES_POSIX_RE 1 - -#elif GTEST_OS_WINDOWS - -// <regex.h> is not available on Windows. Use our own simple regex -// implementation instead. -# define GTEST_USES_SIMPLE_RE 1 - -#else - -// <regex.h> may not be available on this platform. Use our own -// simple regex implementation instead. -# define GTEST_USES_SIMPLE_RE 1 - -#endif // GTEST_HAS_POSIX_RE - -#ifndef GTEST_HAS_EXCEPTIONS -// The user didn't tell us whether exceptions are enabled, so we need -// to figure it out. -# if defined(_MSC_VER) || defined(__BORLANDC__) -// MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS -// macro to enable exceptions, so we'll do the same. -// Assumes that exceptions are enabled by default. -# ifndef _HAS_EXCEPTIONS -# define _HAS_EXCEPTIONS 1 -# endif // _HAS_EXCEPTIONS -# define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS -# elif defined(__GNUC__) && __EXCEPTIONS -// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. -# define GTEST_HAS_EXCEPTIONS 1 -# elif defined(__SUNPRO_CC) -// Sun Pro CC supports exceptions. However, there is no compile-time way of -// detecting whether they are enabled or not. Therefore, we assume that -// they are enabled unless the user tells us otherwise. -# define GTEST_HAS_EXCEPTIONS 1 -# elif defined(__IBMCPP__) && __EXCEPTIONS -// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled. -# define GTEST_HAS_EXCEPTIONS 1 -# elif defined(__HP_aCC) -// Exception handling is in effect by default in HP aCC compiler. It has to -// be turned of by +noeh compiler option if desired. -# define GTEST_HAS_EXCEPTIONS 1 -# else -// For other compilers, we assume exceptions are disabled to be -// conservative. -# define GTEST_HAS_EXCEPTIONS 0 -# endif // defined(_MSC_VER) || defined(__BORLANDC__) -#endif // GTEST_HAS_EXCEPTIONS - -#if !defined(GTEST_HAS_STD_STRING) -// Even though we don't use this macro any longer, we keep it in case -// some clients still depend on it. -# define GTEST_HAS_STD_STRING 1 -#elif !GTEST_HAS_STD_STRING -// The user told us that ::std::string isn't available. -# error "Google Test cannot be used where ::std::string isn't available." -#endif // !defined(GTEST_HAS_STD_STRING) - -#ifndef GTEST_HAS_GLOBAL_STRING -// The user didn't tell us whether ::string is available, so we need -// to figure it out. - -# define GTEST_HAS_GLOBAL_STRING 0 - -#endif // GTEST_HAS_GLOBAL_STRING - -#ifndef GTEST_HAS_STD_WSTRING -// The user didn't tell us whether ::std::wstring is available, so we need -// to figure it out. -// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring -// is available. - -// Cygwin 1.7 and below doesn't support ::std::wstring. -// Solaris' libc++ doesn't support it either. Android has -// no support for it at least as recent as Froyo (2.2). -# define GTEST_HAS_STD_WSTRING \ - (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) - -#endif // GTEST_HAS_STD_WSTRING - -#ifndef GTEST_HAS_GLOBAL_WSTRING -// The user didn't tell us whether ::wstring is available, so we need -// to figure it out. -# define GTEST_HAS_GLOBAL_WSTRING \ - (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) -#endif // GTEST_HAS_GLOBAL_WSTRING - -// Determines whether RTTI is available. -#ifndef GTEST_HAS_RTTI -// The user didn't tell us whether RTTI is enabled, so we need to -// figure it out. - -# ifdef _MSC_VER - -# ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. -# define GTEST_HAS_RTTI 1 -# else -# define GTEST_HAS_RTTI 0 -# endif - -// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. -# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) - -# ifdef __GXX_RTTI -# define GTEST_HAS_RTTI 1 -# else -# define GTEST_HAS_RTTI 0 -# endif // __GXX_RTTI - -// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if -// both the typeid and dynamic_cast features are present. -# elif defined(__IBMCPP__) && (__IBMCPP__ >= 900) - -# ifdef __RTTI_ALL__ -# define GTEST_HAS_RTTI 1 -# else -# define GTEST_HAS_RTTI 0 -# endif - -# else - -// For all other compilers, we assume RTTI is enabled. -# define GTEST_HAS_RTTI 1 - -# endif // _MSC_VER - -#endif // GTEST_HAS_RTTI - -// It's this header's responsibility to #include <typeinfo> when RTTI -// is enabled. -#if GTEST_HAS_RTTI -# include <typeinfo> -#endif - -// Determines whether Google Test can use the pthreads library. -#ifndef GTEST_HAS_PTHREAD -// The user didn't tell us explicitly, so we assume pthreads support is -// available on Linux and Mac. -// -// To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 -// to your compiler flags. -# define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX) -#endif // GTEST_HAS_PTHREAD - -#if GTEST_HAS_PTHREAD -// gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is -// true. -# include <pthread.h> // NOLINT - -// For timespec and nanosleep, used below. -# include <time.h> // NOLINT -#endif - -// Determines whether Google Test can use tr1/tuple. You can define -// this macro to 0 to prevent Google Test from using tuple (any -// feature depending on tuple with be disabled in this mode). -#ifndef GTEST_HAS_TR1_TUPLE -// The user didn't tell us not to do it, so we assume it's OK. -# define GTEST_HAS_TR1_TUPLE 1 -#endif // GTEST_HAS_TR1_TUPLE - -// Determines whether Google Test's own tr1 tuple implementation -// should be used. -#ifndef GTEST_USE_OWN_TR1_TUPLE -// The user didn't tell us, so we need to figure it out. - -// We use our own TR1 tuple if we aren't sure the user has an -// implementation of it already. At this time, GCC 4.0.0+ and MSVC -// 2010 are the only mainstream compilers that come with a TR1 tuple -// implementation. NVIDIA's CUDA NVCC compiler pretends to be GCC by -// defining __GNUC__ and friends, but cannot compile GCC's tuple -// implementation. MSVC 2008 (9.0) provides TR1 tuple in a 323 MB -// Feature Pack download, which we cannot assume the user has. -# if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000)) \ - || _MSC_VER >= 1600 -# define GTEST_USE_OWN_TR1_TUPLE 0 -# else -# define GTEST_USE_OWN_TR1_TUPLE 1 -# endif - -#endif // GTEST_USE_OWN_TR1_TUPLE - -// To avoid conditional compilation everywhere, we make it -// gtest-port.h's responsibility to #include the header implementing -// tr1/tuple. -#if GTEST_HAS_TR1_TUPLE - -# if GTEST_USE_OWN_TR1_TUPLE -# include "gtest/internal/gtest-tuple.h" -# elif GTEST_OS_SYMBIAN - -// On Symbian, BOOST_HAS_TR1_TUPLE causes Boost's TR1 tuple library to -// use STLport's tuple implementation, which unfortunately doesn't -// work as the copy of STLport distributed with Symbian is incomplete. -// By making sure BOOST_HAS_TR1_TUPLE is undefined, we force Boost to -// use its own tuple implementation. -# ifdef BOOST_HAS_TR1_TUPLE -# undef BOOST_HAS_TR1_TUPLE -# endif // BOOST_HAS_TR1_TUPLE - -// This prevents <boost/tr1/detail/config.hpp>, which defines -// BOOST_HAS_TR1_TUPLE, from being #included by Boost's <tuple>. -# define BOOST_TR1_DETAIL_CONFIG_HPP_INCLUDED -# include <tuple> - -# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) -// GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does -// not conform to the TR1 spec, which requires the header to be <tuple>. - -# if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 -// Until version 4.3.2, gcc has a bug that causes <tr1/functional>, -// which is #included by <tr1/tuple>, to not compile when RTTI is -// disabled. _TR1_FUNCTIONAL is the header guard for -// <tr1/functional>. Hence the following #define is a hack to prevent -// <tr1/functional> from being included. -# define _TR1_FUNCTIONAL 1 -# include <tr1/tuple> -# undef _TR1_FUNCTIONAL // Allows the user to #include - // <tr1/functional> if he chooses to. -# else -# include <tr1/tuple> // NOLINT -# endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 - -# else -// If the compiler is not GCC 4.0+, we assume the user is using a -// spec-conforming TR1 implementation. -# include <tuple> // NOLINT -# endif // GTEST_USE_OWN_TR1_TUPLE - -#endif // GTEST_HAS_TR1_TUPLE - -// Determines whether clone(2) is supported. -// Usually it will only be available on Linux, excluding -// Linux on the Itanium architecture. -// Also see http://linux.die.net/man/2/clone. -#ifndef GTEST_HAS_CLONE -// The user didn't tell us, so we need to figure it out. - -# if GTEST_OS_LINUX && !defined(__ia64__) -# define GTEST_HAS_CLONE 1 -# else -# define GTEST_HAS_CLONE 0 -# endif // GTEST_OS_LINUX && !defined(__ia64__) - -#endif // GTEST_HAS_CLONE - -// Determines whether to support stream redirection. This is used to test -// output correctness and to implement death tests. -#ifndef GTEST_HAS_STREAM_REDIRECTION -// By default, we assume that stream redirection is supported on all -// platforms except known mobile ones. -# if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN -# define GTEST_HAS_STREAM_REDIRECTION 0 -# else -# define GTEST_HAS_STREAM_REDIRECTION 1 -# endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN -#endif // GTEST_HAS_STREAM_REDIRECTION - -// Determines whether to support death tests. -// Google Test does not support death tests for VC 7.1 and earlier as -// abort() in a VC 7.1 application compiled as GUI in debug config -// pops up a dialog window that cannot be suppressed programmatically. -#if (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ - (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ - GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX) -# define GTEST_HAS_DEATH_TEST 1 -# include <vector> // NOLINT -#endif - -// We don't support MSVC 7.1 with exceptions disabled now. Therefore -// all the compilers we care about are adequate for supporting -// value-parameterized tests. -#define GTEST_HAS_PARAM_TEST 1 - -// Determines whether to support type-driven tests. - -// Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, -// Sun Pro CC, IBM Visual Age, and HP aCC support. -#if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ - defined(__IBMCPP__) || defined(__HP_aCC) -# define GTEST_HAS_TYPED_TEST 1 -# define GTEST_HAS_TYPED_TEST_P 1 -#endif - -// Determines whether to support Combine(). This only makes sense when -// value-parameterized tests are enabled. The implementation doesn't -// work on Sun Studio since it doesn't understand templated conversion -// operators. -#if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) -# define GTEST_HAS_COMBINE 1 -#endif - -// Determines whether the system compiler uses UTF-16 for encoding wide strings. -#define GTEST_WIDE_STRING_USES_UTF16_ \ - (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) - -// Determines whether test results can be streamed to a socket. -#if GTEST_OS_LINUX -# define GTEST_CAN_STREAM_RESULTS_ 1 -#endif - -// Defines some utility macros. - -// The GNU compiler emits a warning if nested "if" statements are followed by -// an "else" statement and braces are not used to explicitly disambiguate the -// "else" binding. This leads to problems with code like: -// -// if (gate) -// ASSERT_*(condition) << "Some message"; -// -// The "switch (0) case 0:" idiom is used to suppress this. -#ifdef __INTEL_COMPILER -# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ -#else -# define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: default: // NOLINT -#endif - -// Use this annotation at the end of a struct/class definition to -// prevent the compiler from optimizing away instances that are never -// used. This is useful when all interesting logic happens inside the -// c'tor and / or d'tor. Example: -// -// struct Foo { -// Foo() { ... } -// } GTEST_ATTRIBUTE_UNUSED_; -// -// Also use it after a variable or parameter declaration to tell the -// compiler the variable/parameter does not have to be used. -#if defined(__GNUC__) && !defined(COMPILER_ICC) -# define GTEST_ATTRIBUTE_UNUSED_ __attribute__ ((unused)) -#else -# define GTEST_ATTRIBUTE_UNUSED_ -#endif - -// A macro to disallow operator= -// This should be used in the private: declarations for a class. -#define GTEST_DISALLOW_ASSIGN_(type)\ - void operator=(type const &) - -// A macro to disallow copy constructor and operator= -// This should be used in the private: declarations for a class. -#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ - type(type const &);\ - GTEST_DISALLOW_ASSIGN_(type) - -// Tell the compiler to warn about unused return values for functions declared -// with this macro. The macro should be used on function declarations -// following the argument list: -// -// Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; -#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) -# define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) -#else -# define GTEST_MUST_USE_RESULT_ -#endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC - -// Determine whether the compiler supports Microsoft's Structured Exception -// Handling. This is supported by several Windows compilers but generally -// does not exist on any other system. -#ifndef GTEST_HAS_SEH -// The user didn't tell us, so we need to figure it out. - -# if defined(_MSC_VER) || defined(__BORLANDC__) -// These two compilers are known to support SEH. -# define GTEST_HAS_SEH 1 -# else -// Assume no SEH. -# define GTEST_HAS_SEH 0 -# endif - -#endif // GTEST_HAS_SEH - -#ifdef _MSC_VER - -# if GTEST_LINKED_AS_SHARED_LIBRARY -# define GTEST_API_ __declspec(dllimport) -# elif GTEST_CREATE_SHARED_LIBRARY -# define GTEST_API_ __declspec(dllexport) -# endif - -#endif // _MSC_VER - -#ifndef GTEST_API_ -# define GTEST_API_ -#endif - -#ifdef __GNUC__ -// Ask the compiler to never inline a given function. -# define GTEST_NO_INLINE_ __attribute__((noinline)) -#else -# define GTEST_NO_INLINE_ -#endif - -namespace testing { - -class Message; - -namespace internal { - -class String; - -// The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time -// expression is true. For example, you could use it to verify the -// size of a static array: -// -// GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES, -// content_type_names_incorrect_size); -// -// or to make sure a struct is smaller than a certain size: -// -// GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); -// -// The second argument to the macro is the name of the variable. If -// the expression is false, most compilers will issue a warning/error -// containing the name of the variable. - -template <bool> -struct CompileAssert { -}; - -#define GTEST_COMPILE_ASSERT_(expr, msg) \ - typedef ::testing::internal::CompileAssert<(bool(expr))> \ - msg[bool(expr) ? 1 : -1] - -// Implementation details of GTEST_COMPILE_ASSERT_: -// -// - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 -// elements (and thus is invalid) when the expression is false. -// -// - The simpler definition -// -// #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] -// -// does not work, as gcc supports variable-length arrays whose sizes -// are determined at run-time (this is gcc's extension and not part -// of the C++ standard). As a result, gcc fails to reject the -// following code with the simple definition: -// -// int foo; -// GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is -// // not a compile-time constant. -// -// - By using the type CompileAssert<(bool(expr))>, we ensures that -// expr is a compile-time constant. (Template arguments must be -// determined at compile-time.) -// -// - The outter parentheses in CompileAssert<(bool(expr))> are necessary -// to work around a bug in gcc 3.4.4 and 4.0.1. If we had written -// -// CompileAssert<bool(expr)> -// -// instead, these compilers will refuse to compile -// -// GTEST_COMPILE_ASSERT_(5 > 0, some_message); -// -// (They seem to think the ">" in "5 > 0" marks the end of the -// template argument list.) -// -// - The array size is (bool(expr) ? 1 : -1), instead of simply -// -// ((expr) ? 1 : -1). -// -// This is to avoid running into a bug in MS VC 7.1, which -// causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. - -// StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. -// -// This template is declared, but intentionally undefined. -template <typename T1, typename T2> -struct StaticAssertTypeEqHelper; - -template <typename T> -struct StaticAssertTypeEqHelper<T, T> {}; - -#if GTEST_HAS_GLOBAL_STRING -typedef ::string string; -#else -typedef ::std::string string; -#endif // GTEST_HAS_GLOBAL_STRING - -#if GTEST_HAS_GLOBAL_WSTRING -typedef ::wstring wstring; -#elif GTEST_HAS_STD_WSTRING -typedef ::std::wstring wstring; -#endif // GTEST_HAS_GLOBAL_WSTRING - -// A helper for suppressing warnings on constant condition. It just -// returns 'condition'. -GTEST_API_ bool IsTrue(bool condition); - -// Defines scoped_ptr. - -// This implementation of scoped_ptr is PARTIAL - it only contains -// enough stuff to satisfy Google Test's need. -template <typename T> -class scoped_ptr { - public: - typedef T element_type; - - explicit scoped_ptr(T* p = NULL) : ptr_(p) {} - ~scoped_ptr() { reset(); } - - T& operator*() const { return *ptr_; } - T* operator->() const { return ptr_; } - T* get() const { return ptr_; } - - T* release() { - T* const ptr = ptr_; - ptr_ = NULL; - return ptr; - } - - void reset(T* p = NULL) { - if (p != ptr_) { - if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. - delete ptr_; - } - ptr_ = p; - } - } - private: - T* ptr_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); -}; - -// Defines RE. - -// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended -// Regular Expression syntax. -class GTEST_API_ RE { - public: - // A copy constructor is required by the Standard to initialize object - // references from r-values. - RE(const RE& other) { Init(other.pattern()); } - - // Constructs an RE from a string. - RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT - -#if GTEST_HAS_GLOBAL_STRING - - RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT - -#endif // GTEST_HAS_GLOBAL_STRING - - RE(const char* regex) { Init(regex); } // NOLINT - ~RE(); - - // Returns the string representation of the regex. - const char* pattern() const { return pattern_; } - - // FullMatch(str, re) returns true iff regular expression re matches - // the entire str. - // PartialMatch(str, re) returns true iff regular expression re - // matches a substring of str (including str itself). - // - // TODO(wan@google.com): make FullMatch() and PartialMatch() work - // when str contains NUL characters. - static bool FullMatch(const ::std::string& str, const RE& re) { - return FullMatch(str.c_str(), re); - } - static bool PartialMatch(const ::std::string& str, const RE& re) { - return PartialMatch(str.c_str(), re); - } - -#if GTEST_HAS_GLOBAL_STRING - - static bool FullMatch(const ::string& str, const RE& re) { - return FullMatch(str.c_str(), re); - } - static bool PartialMatch(const ::string& str, const RE& re) { - return PartialMatch(str.c_str(), re); - } - -#endif // GTEST_HAS_GLOBAL_STRING - - static bool FullMatch(const char* str, const RE& re); - static bool PartialMatch(const char* str, const RE& re); - - private: - void Init(const char* regex); - - // We use a const char* instead of a string, as Google Test may be used - // where string is not available. We also do not use Google Test's own - // String type here, in order to simplify dependencies between the - // files. - const char* pattern_; - bool is_valid_; - -#if GTEST_USES_POSIX_RE - - regex_t full_regex_; // For FullMatch(). - regex_t partial_regex_; // For PartialMatch(). - -#else // GTEST_USES_SIMPLE_RE - - const char* full_pattern_; // For FullMatch(); - -#endif - - GTEST_DISALLOW_ASSIGN_(RE); -}; - -// Formats a source file path and a line number as they would appear -// in an error message from the compiler used to compile this code. -GTEST_API_ ::std::string FormatFileLocation(const char* file, int line); - -// Formats a file location for compiler-independent XML output. -// Although this function is not platform dependent, we put it next to -// FormatFileLocation in order to contrast the two functions. -GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file, - int line); - -// Defines logging utilities: -// GTEST_LOG_(severity) - logs messages at the specified severity level. The -// message itself is streamed into the macro. -// LogToStderr() - directs all log messages to stderr. -// FlushInfoLog() - flushes informational log messages. - -enum GTestLogSeverity { - GTEST_INFO, - GTEST_WARNING, - GTEST_ERROR, - GTEST_FATAL -}; - -// Formats log entry severity, provides a stream object for streaming the -// log message, and terminates the message with a newline when going out of -// scope. -class GTEST_API_ GTestLog { - public: - GTestLog(GTestLogSeverity severity, const char* file, int line); - - // Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. - ~GTestLog(); - - ::std::ostream& GetStream() { return ::std::cerr; } - - private: - const GTestLogSeverity severity_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestLog); -}; - -#define GTEST_LOG_(severity) \ - ::testing::internal::GTestLog(::testing::internal::GTEST_##severity, \ - __FILE__, __LINE__).GetStream() - -inline void LogToStderr() {} -inline void FlushInfoLog() { fflush(NULL); } - -// INTERNAL IMPLEMENTATION - DO NOT USE. -// -// GTEST_CHECK_ is an all-mode assert. It aborts the program if the condition -// is not satisfied. -// Synopsys: -// GTEST_CHECK_(boolean_condition); -// or -// GTEST_CHECK_(boolean_condition) << "Additional message"; -// -// This checks the condition and if the condition is not satisfied -// it prints message about the condition violation, including the -// condition itself, plus additional message streamed into it, if any, -// and then it aborts the program. It aborts the program irrespective of -// whether it is built in the debug mode or not. -#define GTEST_CHECK_(condition) \ - GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ - if (::testing::internal::IsTrue(condition)) \ - ; \ - else \ - GTEST_LOG_(FATAL) << "Condition " #condition " failed. " - -// An all-mode assert to verify that the given POSIX-style function -// call returns 0 (indicating success). Known limitation: this -// doesn't expand to a balanced 'if' statement, so enclose the macro -// in {} if you need to use it as the only statement in an 'if' -// branch. -#define GTEST_CHECK_POSIX_SUCCESS_(posix_call) \ - if (const int gtest_error = (posix_call)) \ - GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ - << gtest_error - -// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. -// -// Use ImplicitCast_ as a safe version of static_cast for upcasting in -// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a -// const Foo*). When you use ImplicitCast_, the compiler checks that -// the cast is safe. Such explicit ImplicitCast_s are necessary in -// surprisingly many situations where C++ demands an exact type match -// instead of an argument type convertable to a target type. -// -// The syntax for using ImplicitCast_ is the same as for static_cast: -// -// ImplicitCast_<ToType>(expr) -// -// ImplicitCast_ would have been part of the C++ standard library, -// but the proposal was submitted too late. It will probably make -// its way into the language in the future. -// -// This relatively ugly name is intentional. It prevents clashes with -// similar functions users may have (e.g., implicit_cast). The internal -// namespace alone is not enough because the function can be found by ADL. -template<typename To> -inline To ImplicitCast_(To x) { return x; } - -// When you upcast (that is, cast a pointer from type Foo to type -// SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts -// always succeed. When you downcast (that is, cast a pointer from -// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because -// how do you know the pointer is really of type SubclassOfFoo? It -// could be a bare Foo, or of type DifferentSubclassOfFoo. Thus, -// when you downcast, you should use this macro. In debug mode, we -// use dynamic_cast<> to double-check the downcast is legal (we die -// if it's not). In normal mode, we do the efficient static_cast<> -// instead. Thus, it's important to test in debug mode to make sure -// the cast is legal! -// This is the only place in the code we should use dynamic_cast<>. -// In particular, you SHOULDN'T be using dynamic_cast<> in order to -// do RTTI (eg code like this: -// if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo); -// if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo); -// You should design the code some other way not to need this. -// -// This relatively ugly name is intentional. It prevents clashes with -// similar functions users may have (e.g., down_cast). The internal -// namespace alone is not enough because the function can be found by ADL. -template<typename To, typename From> // use like this: DownCast_<T*>(foo); -inline To DownCast_(From* f) { // so we only accept pointers - // Ensures that To is a sub-type of From *. This test is here only - // for compile-time type checking, and has no overhead in an - // optimized build at run-time, as it will be optimized away - // completely. - if (false) { - const To to = NULL; - ::testing::internal::ImplicitCast_<From*>(to); - } - -#if GTEST_HAS_RTTI - // RTTI: debug mode only! - GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); -#endif - return static_cast<To>(f); -} - -// Downcasts the pointer of type Base to Derived. -// Derived must be a subclass of Base. The parameter MUST -// point to a class of type Derived, not any subclass of it. -// When RTTI is available, the function performs a runtime -// check to enforce this. -template <class Derived, class Base> -Derived* CheckedDowncastToActualType(Base* base) { -#if GTEST_HAS_RTTI - GTEST_CHECK_(typeid(*base) == typeid(Derived)); - return dynamic_cast<Derived*>(base); // NOLINT -#else - return static_cast<Derived*>(base); // Poor man's downcast. -#endif -} - -#if GTEST_HAS_STREAM_REDIRECTION - -// Defines the stderr capturer: -// CaptureStdout - starts capturing stdout. -// GetCapturedStdout - stops capturing stdout and returns the captured string. -// CaptureStderr - starts capturing stderr. -// GetCapturedStderr - stops capturing stderr and returns the captured string. -// -GTEST_API_ void CaptureStdout(); -GTEST_API_ String GetCapturedStdout(); -GTEST_API_ void CaptureStderr(); -GTEST_API_ String GetCapturedStderr(); - -#endif // GTEST_HAS_STREAM_REDIRECTION - - -#if GTEST_HAS_DEATH_TEST - -// A copy of all command line arguments. Set by InitGoogleTest(). -extern ::std::vector<String> g_argvs; - -// GTEST_HAS_DEATH_TEST implies we have ::std::string. -const ::std::vector<String>& GetArgvs(); - -#endif // GTEST_HAS_DEATH_TEST - -// Defines synchronization primitives. - -#if GTEST_HAS_PTHREAD - -// Sleeps for (roughly) n milli-seconds. This function is only for -// testing Google Test's own constructs. Don't use it in user tests, -// either directly or indirectly. -inline void SleepMilliseconds(int n) { - const timespec time = { - 0, // 0 seconds. - n * 1000L * 1000L, // And n ms. - }; - nanosleep(&time, NULL); -} - -// Allows a controller thread to pause execution of newly created -// threads until notified. Instances of this class must be created -// and destroyed in the controller thread. -// -// This class is only for testing Google Test's own constructs. Do not -// use it in user tests, either directly or indirectly. -class Notification { - public: - Notification() : notified_(false) {} - - // Notifies all threads created with this notification to start. Must - // be called from the controller thread. - void Notify() { notified_ = true; } - - // Blocks until the controller thread notifies. Must be called from a test - // thread. - void WaitForNotification() { - while(!notified_) { - SleepMilliseconds(10); - } - } - - private: - volatile bool notified_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(Notification); -}; - -// As a C-function, ThreadFuncWithCLinkage cannot be templated itself. -// Consequently, it cannot select a correct instantiation of ThreadWithParam -// in order to call its Run(). Introducing ThreadWithParamBase as a -// non-templated base class for ThreadWithParam allows us to bypass this -// problem. -class ThreadWithParamBase { - public: - virtual ~ThreadWithParamBase() {} - virtual void Run() = 0; -}; - -// pthread_create() accepts a pointer to a function type with the C linkage. -// According to the Standard (7.5/1), function types with different linkages -// are different even if they are otherwise identical. Some compilers (for -// example, SunStudio) treat them as different types. Since class methods -// cannot be defined with C-linkage we need to define a free C-function to -// pass into pthread_create(). -extern "C" inline void* ThreadFuncWithCLinkage(void* thread) { - static_cast<ThreadWithParamBase*>(thread)->Run(); - return NULL; -} - -// Helper class for testing Google Test's multi-threading constructs. -// To use it, write: -// -// void ThreadFunc(int param) { /* Do things with param */ } -// Notification thread_can_start; -// ... -// // The thread_can_start parameter is optional; you can supply NULL. -// ThreadWithParam<int> thread(&ThreadFunc, 5, &thread_can_start); -// thread_can_start.Notify(); -// -// These classes are only for testing Google Test's own constructs. Do -// not use them in user tests, either directly or indirectly. -template <typename T> -class ThreadWithParam : public ThreadWithParamBase { - public: - typedef void (*UserThreadFunc)(T); - - ThreadWithParam( - UserThreadFunc func, T param, Notification* thread_can_start) - : func_(func), - param_(param), - thread_can_start_(thread_can_start), - finished_(false) { - ThreadWithParamBase* const base = this; - // The thread can be created only after all fields except thread_ - // have been initialized. - GTEST_CHECK_POSIX_SUCCESS_( - pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); - } - ~ThreadWithParam() { Join(); } - - void Join() { - if (!finished_) { - GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); - finished_ = true; - } - } - - virtual void Run() { - if (thread_can_start_ != NULL) - thread_can_start_->WaitForNotification(); - func_(param_); - } - - private: - const UserThreadFunc func_; // User-supplied thread function. - const T param_; // User-supplied parameter to the thread function. - // When non-NULL, used to block execution until the controller thread - // notifies. - Notification* const thread_can_start_; - bool finished_; // true iff we know that the thread function has finished. - pthread_t thread_; // The native thread object. - - GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); -}; - -// MutexBase and Mutex implement mutex on pthreads-based platforms. They -// are used in conjunction with class MutexLock: -// -// Mutex mutex; -// ... -// MutexLock lock(&mutex); // Acquires the mutex and releases it at the end -// // of the current scope. -// -// MutexBase implements behavior for both statically and dynamically -// allocated mutexes. Do not use MutexBase directly. Instead, write -// the following to define a static mutex: -// -// GTEST_DEFINE_STATIC_MUTEX_(g_some_mutex); -// -// You can forward declare a static mutex like this: -// -// GTEST_DECLARE_STATIC_MUTEX_(g_some_mutex); -// -// To create a dynamic mutex, just define an object of type Mutex. -class MutexBase { - public: - // Acquires this mutex. - void Lock() { - GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&mutex_)); - owner_ = pthread_self(); - } - - // Releases this mutex. - void Unlock() { - // We don't protect writing to owner_ here, as it's the caller's - // responsibility to ensure that the current thread holds the - // mutex when this is called. - owner_ = 0; - GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&mutex_)); - } - - // Does nothing if the current thread holds the mutex. Otherwise, crashes - // with high probability. - void AssertHeld() const { - GTEST_CHECK_(owner_ == pthread_self()) - << "The current thread is not holding the mutex @" << this; - } - - // A static mutex may be used before main() is entered. It may even - // be used before the dynamic initialization stage. Therefore we - // must be able to initialize a static mutex object at link time. - // This means MutexBase has to be a POD and its member variables - // have to be public. - public: - pthread_mutex_t mutex_; // The underlying pthread mutex. - pthread_t owner_; // The thread holding the mutex; 0 means no one holds it. -}; - -// Forward-declares a static mutex. -# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ - extern ::testing::internal::MutexBase mutex - -// Defines and statically (i.e. at link time) initializes a static mutex. -# define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ - ::testing::internal::MutexBase mutex = { PTHREAD_MUTEX_INITIALIZER, 0 } - -// The Mutex class can only be used for mutexes created at runtime. It -// shares its API with MutexBase otherwise. -class Mutex : public MutexBase { - public: - Mutex() { - GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); - owner_ = 0; - } - ~Mutex() { - GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&mutex_)); - } - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); -}; - -// We cannot name this class MutexLock as the ctor declaration would -// conflict with a macro named MutexLock, which is defined on some -// platforms. Hence the typedef trick below. -class GTestMutexLock { - public: - explicit GTestMutexLock(MutexBase* mutex) - : mutex_(mutex) { mutex_->Lock(); } - - ~GTestMutexLock() { mutex_->Unlock(); } - - private: - MutexBase* const mutex_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(GTestMutexLock); -}; - -typedef GTestMutexLock MutexLock; - -// Helpers for ThreadLocal. - -// pthread_key_create() requires DeleteThreadLocalValue() to have -// C-linkage. Therefore it cannot be templatized to access -// ThreadLocal<T>. Hence the need for class -// ThreadLocalValueHolderBase. -class ThreadLocalValueHolderBase { - public: - virtual ~ThreadLocalValueHolderBase() {} -}; - -// Called by pthread to delete thread-local data stored by -// pthread_setspecific(). -extern "C" inline void DeleteThreadLocalValue(void* value_holder) { - delete static_cast<ThreadLocalValueHolderBase*>(value_holder); -} - -// Implements thread-local storage on pthreads-based systems. -// -// // Thread 1 -// ThreadLocal<int> tl(100); // 100 is the default value for each thread. -// -// // Thread 2 -// tl.set(150); // Changes the value for thread 2 only. -// EXPECT_EQ(150, tl.get()); -// -// // Thread 1 -// EXPECT_EQ(100, tl.get()); // In thread 1, tl has the original value. -// tl.set(200); -// EXPECT_EQ(200, tl.get()); -// -// The template type argument T must have a public copy constructor. -// In addition, the default ThreadLocal constructor requires T to have -// a public default constructor. -// -// An object managed for a thread by a ThreadLocal instance is deleted -// when the thread exits. Or, if the ThreadLocal instance dies in -// that thread, when the ThreadLocal dies. It's the user's -// responsibility to ensure that all other threads using a ThreadLocal -// have exited when it dies, or the per-thread objects for those -// threads will not be deleted. -// -// Google Test only uses global ThreadLocal objects. That means they -// will die after main() has returned. Therefore, no per-thread -// object managed by Google Test will be leaked as long as all threads -// using Google Test have exited when main() returns. -template <typename T> -class ThreadLocal { - public: - ThreadLocal() : key_(CreateKey()), - default_() {} - explicit ThreadLocal(const T& value) : key_(CreateKey()), - default_(value) {} - - ~ThreadLocal() { - // Destroys the managed object for the current thread, if any. - DeleteThreadLocalValue(pthread_getspecific(key_)); - - // Releases resources associated with the key. This will *not* - // delete managed objects for other threads. - GTEST_CHECK_POSIX_SUCCESS_(pthread_key_delete(key_)); - } - - T* pointer() { return GetOrCreateValue(); } - const T* pointer() const { return GetOrCreateValue(); } - const T& get() const { return *pointer(); } - void set(const T& value) { *pointer() = value; } - - private: - // Holds a value of type T. - class ValueHolder : public ThreadLocalValueHolderBase { - public: - explicit ValueHolder(const T& value) : value_(value) {} - - T* pointer() { return &value_; } - - private: - T value_; - GTEST_DISALLOW_COPY_AND_ASSIGN_(ValueHolder); - }; - - static pthread_key_t CreateKey() { - pthread_key_t key; - // When a thread exits, DeleteThreadLocalValue() will be called on - // the object managed for that thread. - GTEST_CHECK_POSIX_SUCCESS_( - pthread_key_create(&key, &DeleteThreadLocalValue)); - return key; - } - - T* GetOrCreateValue() const { - ThreadLocalValueHolderBase* const holder = - static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); - if (holder != NULL) { - return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); - } - - ValueHolder* const new_holder = new ValueHolder(default_); - ThreadLocalValueHolderBase* const holder_base = new_holder; - GTEST_CHECK_POSIX_SUCCESS_(pthread_setspecific(key_, holder_base)); - return new_holder->pointer(); - } - - // A key pthreads uses for looking up per-thread values. - const pthread_key_t key_; - const T default_; // The default value for each thread. - - GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); -}; - -# define GTEST_IS_THREADSAFE 1 - -#else // GTEST_HAS_PTHREAD - -// A dummy implementation of synchronization primitives (mutex, lock, -// and thread-local variable). Necessary for compiling Google Test where -// mutex is not supported - using Google Test in multiple threads is not -// supported on such platforms. - -class Mutex { - public: - Mutex() {} - void AssertHeld() const {} -}; - -# define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ - extern ::testing::internal::Mutex mutex - -# define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex - -class GTestMutexLock { - public: - explicit GTestMutexLock(Mutex*) {} // NOLINT -}; - -typedef GTestMutexLock MutexLock; - -template <typename T> -class ThreadLocal { - public: - ThreadLocal() : value_() {} - explicit ThreadLocal(const T& value) : value_(value) {} - T* pointer() { return &value_; } - const T* pointer() const { return &value_; } - const T& get() const { return value_; } - void set(const T& value) { value_ = value; } - private: - T value_; -}; - -// The above synchronization primitives have dummy implementations. -// Therefore Google Test is not thread-safe. -# define GTEST_IS_THREADSAFE 0 - -#endif // GTEST_HAS_PTHREAD - -// Returns the number of threads running in the process, or 0 to indicate that -// we cannot detect it. -GTEST_API_ size_t GetThreadCount(); - -// Passing non-POD classes through ellipsis (...) crashes the ARM -// compiler and generates a warning in Sun Studio. The Nokia Symbian -// and the IBM XL C/C++ compiler try to instantiate a copy constructor -// for objects passed through ellipsis (...), failing for uncopyable -// objects. We define this to ensure that only POD is passed through -// ellipsis on these systems. -#if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) -// We lose support for NULL detection where the compiler doesn't like -// passing non-POD classes through ellipsis (...). -# define GTEST_ELLIPSIS_NEEDS_POD_ 1 -#else -# define GTEST_CAN_COMPARE_NULL 1 -#endif - -// The Nokia Symbian and IBM XL C/C++ compilers cannot decide between -// const T& and const T* in a function template. These compilers -// _can_ decide between class template specializations for T and T*, -// so a tr1::type_traits-like is_pointer works. -#if defined(__SYMBIAN32__) || defined(__IBMCPP__) -# define GTEST_NEEDS_IS_POINTER_ 1 -#endif - -template <bool bool_value> -struct bool_constant { - typedef bool_constant<bool_value> type; - static const bool value = bool_value; -}; -template <bool bool_value> const bool bool_constant<bool_value>::value; - -typedef bool_constant<false> false_type; -typedef bool_constant<true> true_type; - -template <typename T> -struct is_pointer : public false_type {}; - -template <typename T> -struct is_pointer<T*> : public true_type {}; - -template <typename Iterator> -struct IteratorTraits { - typedef typename Iterator::value_type value_type; -}; - -template <typename T> -struct IteratorTraits<T*> { - typedef T value_type; -}; - -template <typename T> -struct IteratorTraits<const T*> { - typedef T value_type; -}; - -#if GTEST_OS_WINDOWS -# define GTEST_PATH_SEP_ "\\" -# define GTEST_HAS_ALT_PATH_SEP_ 1 -// The biggest signed integer type the compiler supports. -typedef __int64 BiggestInt; -#else -# define GTEST_PATH_SEP_ "/" -# define GTEST_HAS_ALT_PATH_SEP_ 0 -typedef long long BiggestInt; // NOLINT -#endif // GTEST_OS_WINDOWS - -// Utilities for char. - -// isspace(int ch) and friends accept an unsigned char or EOF. char -// may be signed, depending on the compiler (or compiler flags). -// Therefore we need to cast a char to unsigned char before calling -// isspace(), etc. - -inline bool IsAlpha(char ch) { - return isalpha(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsAlNum(char ch) { - return isalnum(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsDigit(char ch) { - return isdigit(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsLower(char ch) { - return islower(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsSpace(char ch) { - return isspace(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsUpper(char ch) { - return isupper(static_cast<unsigned char>(ch)) != 0; -} -inline bool IsXDigit(char ch) { - return isxdigit(static_cast<unsigned char>(ch)) != 0; -} - -inline char ToLower(char ch) { - return static_cast<char>(tolower(static_cast<unsigned char>(ch))); -} -inline char ToUpper(char ch) { - return static_cast<char>(toupper(static_cast<unsigned char>(ch))); -} - -// The testing::internal::posix namespace holds wrappers for common -// POSIX functions. These wrappers hide the differences between -// Windows/MSVC and POSIX systems. Since some compilers define these -// standard functions as macros, the wrapper cannot have the same name -// as the wrapped function. - -namespace posix { - -// Functions with a different name on Windows. - -#if GTEST_OS_WINDOWS - -typedef struct _stat StatStruct; - -# ifdef __BORLANDC__ -inline int IsATTY(int fd) { return isatty(fd); } -inline int StrCaseCmp(const char* s1, const char* s2) { - return stricmp(s1, s2); -} -inline char* StrDup(const char* src) { return strdup(src); } -# else // !__BORLANDC__ -# if GTEST_OS_WINDOWS_MOBILE -inline int IsATTY(int /* fd */) { return 0; } -# else -inline int IsATTY(int fd) { return _isatty(fd); } -# endif // GTEST_OS_WINDOWS_MOBILE -inline int StrCaseCmp(const char* s1, const char* s2) { - return _stricmp(s1, s2); -} -inline char* StrDup(const char* src) { return _strdup(src); } -# endif // __BORLANDC__ - -# if GTEST_OS_WINDOWS_MOBILE -inline int FileNo(FILE* file) { return reinterpret_cast<int>(_fileno(file)); } -// Stat(), RmDir(), and IsDir() are not needed on Windows CE at this -// time and thus not defined there. -# else -inline int FileNo(FILE* file) { return _fileno(file); } -inline int Stat(const char* path, StatStruct* buf) { return _stat(path, buf); } -inline int RmDir(const char* dir) { return _rmdir(dir); } -inline bool IsDir(const StatStruct& st) { - return (_S_IFDIR & st.st_mode) != 0; -} -# endif // GTEST_OS_WINDOWS_MOBILE - -#else - -typedef struct stat StatStruct; - -inline int FileNo(FILE* file) { return fileno(file); } -inline int IsATTY(int fd) { return isatty(fd); } -inline int Stat(const char* path, StatStruct* buf) { return stat(path, buf); } -inline int StrCaseCmp(const char* s1, const char* s2) { - return strcasecmp(s1, s2); -} -inline char* StrDup(const char* src) { return strdup(src); } -inline int RmDir(const char* dir) { return rmdir(dir); } -inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } - -#endif // GTEST_OS_WINDOWS - -// Functions deprecated by MSVC 8.0. - -#ifdef _MSC_VER -// Temporarily disable warning 4996 (deprecated function). -# pragma warning(push) -# pragma warning(disable:4996) -#endif - -inline const char* StrNCpy(char* dest, const char* src, size_t n) { - return strncpy(dest, src, n); -} - -// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and -// StrError() aren't needed on Windows CE at this time and thus not -// defined there. - -#if !GTEST_OS_WINDOWS_MOBILE -inline int ChDir(const char* dir) { return chdir(dir); } -#endif -inline FILE* FOpen(const char* path, const char* mode) { - return fopen(path, mode); -} -#if !GTEST_OS_WINDOWS_MOBILE -inline FILE *FReopen(const char* path, const char* mode, FILE* stream) { - return freopen(path, mode, stream); -} -inline FILE* FDOpen(int fd, const char* mode) { return fdopen(fd, mode); } -#endif -inline int FClose(FILE* fp) { return fclose(fp); } -#if !GTEST_OS_WINDOWS_MOBILE -inline int Read(int fd, void* buf, unsigned int count) { - return static_cast<int>(read(fd, buf, count)); -} -inline int Write(int fd, const void* buf, unsigned int count) { - return static_cast<int>(write(fd, buf, count)); -} -inline int Close(int fd) { return close(fd); } -inline const char* StrError(int errnum) { return strerror(errnum); } -#endif -inline const char* GetEnv(const char* name) { -#if GTEST_OS_WINDOWS_MOBILE - // We are on Windows CE, which has no environment variables. - return NULL; -#elif defined(__BORLANDC__) || defined(__SunOS_5_8) || defined(__SunOS_5_9) - // Environment variables which we programmatically clear will be set to the - // empty string rather than unset (NULL). Handle that case. - const char* const env = getenv(name); - return (env != NULL && env[0] != '\0') ? env : NULL; -#else - return getenv(name); -#endif -} - -#ifdef _MSC_VER -# pragma warning(pop) // Restores the warning state. -#endif - -#if GTEST_OS_WINDOWS_MOBILE -// Windows CE has no C library. The abort() function is used in -// several places in Google Test. This implementation provides a reasonable -// imitation of standard behaviour. -void Abort(); -#else -inline void Abort() { abort(); } -#endif // GTEST_OS_WINDOWS_MOBILE - -} // namespace posix - -// The maximum number a BiggestInt can represent. This definition -// works no matter BiggestInt is represented in one's complement or -// two's complement. -// -// We cannot rely on numeric_limits in STL, as __int64 and long long -// are not part of standard C++ and numeric_limits doesn't need to be -// defined for them. -const BiggestInt kMaxBiggestInt = - ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); - -// This template class serves as a compile-time function from size to -// type. It maps a size in bytes to a primitive type with that -// size. e.g. -// -// TypeWithSize<4>::UInt -// -// is typedef-ed to be unsigned int (unsigned integer made up of 4 -// bytes). -// -// Such functionality should belong to STL, but I cannot find it -// there. -// -// Google Test uses this class in the implementation of floating-point -// comparison. -// -// For now it only handles UInt (unsigned int) as that's all Google Test -// needs. Other types can be easily added in the future if need -// arises. -template <size_t size> -class TypeWithSize { - public: - // This prevents the user from using TypeWithSize<N> with incorrect - // values of N. - typedef void UInt; -}; - -// The specialization for size 4. -template <> -class TypeWithSize<4> { - public: - // unsigned int has size 4 in both gcc and MSVC. - // - // As base/basictypes.h doesn't compile on Windows, we cannot use - // uint32, uint64, and etc here. - typedef int Int; - typedef unsigned int UInt; -}; - -// The specialization for size 8. -template <> -class TypeWithSize<8> { - public: - -#if GTEST_OS_WINDOWS - typedef __int64 Int; - typedef unsigned __int64 UInt; -#else - typedef long long Int; // NOLINT - typedef unsigned long long UInt; // NOLINT -#endif // GTEST_OS_WINDOWS -}; - -// Integer types of known sizes. -typedef TypeWithSize<4>::Int Int32; -typedef TypeWithSize<4>::UInt UInt32; -typedef TypeWithSize<8>::Int Int64; -typedef TypeWithSize<8>::UInt UInt64; -typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. - -// Utilities for command line flags and environment variables. - -// Macro for referencing flags. -#define GTEST_FLAG(name) FLAGS_gtest_##name - -// Macros for declaring flags. -#define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) -#define GTEST_DECLARE_int32_(name) \ - GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) -#define GTEST_DECLARE_string_(name) \ - GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name) - -// Macros for defining flags. -#define GTEST_DEFINE_bool_(name, default_val, doc) \ - GTEST_API_ bool GTEST_FLAG(name) = (default_val) -#define GTEST_DEFINE_int32_(name, default_val, doc) \ - GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) -#define GTEST_DEFINE_string_(name, default_val, doc) \ - GTEST_API_ ::testing::internal::String GTEST_FLAG(name) = (default_val) - -// Parses 'str' for a 32-bit signed integer. If successful, writes the result -// to *value and returns true; otherwise leaves *value unchanged and returns -// false. -// TODO(chandlerc): Find a better way to refactor flag and environment parsing -// out of both gtest-port.cc and gtest.cc to avoid exporting this utility -// function. -bool ParseInt32(const Message& src_text, const char* str, Int32* value); - -// Parses a bool/Int32/string from the environment variable -// corresponding to the given Google Test flag. -bool BoolFromGTestEnv(const char* flag, bool default_val); -GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); -const char* StringFromGTestEnv(const char* flag, const char* default_val); - -} // namespace internal -} // namespace testing - -#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |