// 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_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_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_HAIKU - Haiku // GTEST_OS_LINUX - Linux // GTEST_OS_MAC - Mac OS X // 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. // 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. // // Smart pointers: // scoped_ptr - as in TR2. // // Regular expressions: // RE - a simple regular expression class using the POSIX // Extended Regular Expression syntax. Not available on // 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 <stddef.h> // For ptrdiff_t #include <stdlib.h> #include <stdio.h> #include <string.h> #ifndef _WIN32_WCE #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 #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(__HAIKU__) #define GTEST_OS_HAIKU 1 #endif // __CYGWIN__ #if GTEST_OS_CYGWIN || GTEST_OS_HAIKU || GTEST_OS_LINUX || GTEST_OS_MAC || \ GTEST_OS_SYMBIAN || GTEST_OS_SOLARIS || GTEST_OS_AIX // 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 #include <strings.h> // NOLINT #include <sys/types.h> // NOLINT #include <time.h> // NOLINT #include <unistd.h> // NOLINT #define GTEST_USES_POSIX_RE 1 #elif GTEST_OS_WINDOWS #if !GTEST_OS_WINDOWS_MOBILE #include <direct.h> // NOLINT #include <io.h> // NOLINT #endif // <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_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC || // GTEST_OS_SYMBIAN || GTEST_OS_SOLARIS || GTEST_OS_AIX #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 #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 1.5 and below doesn't support ::std::wstring. // Cygwin 1.7 might add wstring support; this should be updated when clear. // Solaris' libc++ doesn't support it either. // Minix currently doesn't support it either. #define GTEST_HAS_STD_WSTRING (!(GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || GTEST_OS_HAIKU || defined(_MINIX))) #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) #endif // GTEST_HAS_PTHREAD // 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__) || defined(__clang__)) \ && (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. #if !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN #define GTEST_HAS_STREAM_REDIRECTION_ 1 #endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN // 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) #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, and IBM Visual Age support. #if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ defined(__IBMCPP__) #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) // 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: // 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 namespace testing { class Message; namespace internal { class String; typedef ::std::stringstream StrStream; // 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); }; // 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. // // 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); }; // gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is // true. #include <pthread.h> // 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 {}; #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 // 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_