diff options
Diffstat (limited to 'gtest/include/gtest/internal/gtest-port.h')
| -rw-r--r-- | gtest/include/gtest/internal/gtest-port.h | 727 |
1 files changed, 157 insertions, 570 deletions
diff --git a/gtest/include/gtest/internal/gtest-port.h b/gtest/include/gtest/internal/gtest-port.h index a2a62be..ee97881 100644 --- a/gtest/include/gtest/internal/gtest-port.h +++ b/gtest/include/gtest/internal/gtest-port.h @@ -42,8 +42,6 @@ // // 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). @@ -54,6 +52,9 @@ // is/isn't available. // GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't // enabled. +// GTEST_HAS_STD_STRING - Define it to 1/0 to indicate that +// std::string does/doesn't work (Google Test can +// be used where std::string is unavailable). // 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). @@ -66,19 +67,11 @@ // 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_LINUX - Linux // GTEST_OS_MAC - Mac OS X @@ -87,7 +80,7 @@ // 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_WINODWS_MOBILE - Windows Mobile // GTEST_OS_ZOS - z/OS // // Among the platforms, Cygwin, Linux, Max OS X, and Windows have the @@ -110,13 +103,11 @@ // 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. // @@ -143,10 +134,7 @@ // 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. +// Stderr capturing: // CaptureStderr() - starts capturing stderr. // GetCapturedStderr() - stops capturing stderr and returns the captured // string. @@ -178,12 +166,9 @@ #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/" @@ -217,12 +202,10 @@ #define GTEST_OS_ZOS 1 #elif defined(__sun) && defined(__SVR4) #define GTEST_OS_SOLARIS 1 -#elif defined(_AIX) -#define GTEST_OS_AIX 1 #endif // __CYGWIN__ #if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_SYMBIAN || \ - GTEST_OS_SOLARIS || GTEST_OS_AIX + GTEST_OS_SOLARIS // On some platforms, <regex.h> needs someone to define size_t, and // won't compile otherwise. We can #include it here as we already @@ -231,7 +214,6 @@ #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 @@ -254,11 +236,11 @@ #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 + // GTEST_OS_SYMBIAN || GTEST_OS_SOLARIS + +// Defines GTEST_HAS_EXCEPTIONS to 1 if exceptions are enabled, or 0 +// otherwise. -#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. @@ -267,32 +249,30 @@ #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. +#else // The compiler is not MSVC or C++Builder. +// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. For +// other compilers, we assume exceptions are disabled to be +// conservative. +#if defined(__GNUC__) && __EXCEPTIONS #define GTEST_HAS_EXCEPTIONS 1 #else -// For other compilers, we assume exceptions are disabled to be -// conservative. #define GTEST_HAS_EXCEPTIONS 0 +#endif // defined(__GNUC__) && __EXCEPTIONS #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. +// Determines whether ::std::string and ::string are available. + +#ifndef GTEST_HAS_STD_STRING +// The user didn't tell us whether ::std::string is available, so we +// need to figure it out. The only environment that we know +// ::std::string is not available is MSVC 7.1 or lower with exceptions +// disabled. +#if defined(_MSC_VER) && (_MSC_VER < 1400) && !GTEST_HAS_EXCEPTIONS +#define GTEST_HAS_STD_STRING 0 +#else #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) +#endif +#endif // GTEST_HAS_STD_STRING #ifndef GTEST_HAS_GLOBAL_STRING // The user didn't tell us whether ::string is available, so we need @@ -308,10 +288,14 @@ // TODO(wan@google.com): uses autoconf to detect whether ::std::wstring // is available. +#if GTEST_OS_CYGWIN || GTEST_OS_SOLARIS // 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. -#define GTEST_HAS_STD_WSTRING (!(GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) +#define GTEST_HAS_STD_WSTRING 0 +#else +#define GTEST_HAS_STD_WSTRING GTEST_HAS_STD_STRING +#endif // GTEST_OS_CYGWIN || GTEST_OS_SOLARIS #endif // GTEST_HAS_STD_WSTRING @@ -322,6 +306,18 @@ (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) #endif // GTEST_HAS_GLOBAL_WSTRING +#if GTEST_HAS_STD_STRING || GTEST_HAS_GLOBAL_STRING || \ + GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING +#include <string> // NOLINT +#endif // GTEST_HAS_STD_STRING || GTEST_HAS_GLOBAL_STRING || + // GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING + +#if GTEST_HAS_STD_STRING +#include <sstream> // NOLINT +#else +#include <strstream> // NOLINT +#endif // GTEST_HAS_STD_STRING + // Determines whether RTTI is available. #ifndef GTEST_HAS_RTTI // The user didn't tell us whether RTTI is enabled, so we need to @@ -333,49 +329,34 @@ #define GTEST_HAS_RTTI 1 #else #define GTEST_HAS_RTTI 0 -#endif +#endif // _CPPRTTI -// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. -#elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) +#elif defined(__GNUC__) +// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. +#if 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 +// For gcc versions smaller than 4.3.2, we assume RTTI is enabled. +#define GTEST_HAS_RTTI 1 +#endif // GTEST_GCC_VER >= 40302 #else -// For all other compilers, we assume RTTI is enabled. +// Unknown compiler - 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. +// Determines whether <pthread.h> is available. #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. +// The user didn't tell us, so we need to figure it out. #define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC) #endif // GTEST_HAS_PTHREAD @@ -392,19 +373,17 @@ #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 +// 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+ is the only +// mainstream compiler that comes with a TR1 tuple implementation. +// MSVC 2008 (9.0) provides TR1 tuple in a 323 MB Feature Pack +// download, which we cannot assume the user has. MSVC 2010 isn't +// released yet. +#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) #define GTEST_USE_OWN_TR1_TUPLE 0 #else #define GTEST_USE_OWN_TR1_TUPLE 1 -#endif +#endif // defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) #endif // GTEST_USE_OWN_TR1_TUPLE @@ -446,13 +425,13 @@ #undef _TR1_FUNCTIONAL // Allows the user to #include // <tr1/functional> if he chooses to. #else -#include <tr1/tuple> // NOLINT +#include <tr1/tuple> #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 +#include <tuple> #endif // GTEST_USE_OWN_TR1_TUPLE #endif // GTEST_HAS_TR1_TUPLE @@ -472,49 +451,47 @@ #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) +// Google Test does not support death tests for VC 7.1 and earlier for +// these reasons: +// 1. std::vector does not build in VC 7.1 when exceptions are disabled. +// 2. std::string does not build in VC 7.1 when exceptions are disabled +// (this is covered by GTEST_HAS_STD_STRING guard). +// 3. 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_HAS_STD_STRING && \ + (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN || \ + (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || GTEST_OS_WINDOWS_MINGW) #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. +// Determines whether to support value-parameterized tests. + +#if defined(__GNUC__) || (_MSC_VER >= 1400) +// TODO(vladl@google.com): get the implementation rid of vector and list +// to compile on MSVC 7.1. #define GTEST_HAS_PARAM_TEST 1 +#endif // defined(__GNUC__) || (_MSC_VER >= 1400) // 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__) +// Typed tests need <typeinfo> and variadic macros, which gcc and VC +// 8.0+ support. +#if defined(__GNUC__) || (_MSC_VER >= 1400) #define GTEST_HAS_TYPED_TEST 1 #define GTEST_HAS_TYPED_TEST_P 1 -#endif +#endif // defined(__GNUC__) || (_MSC_VER >= 1400) // 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) +// value-parameterized tests are enabled. +#if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE #define GTEST_HAS_COMBINE 1 -#endif +#endif // GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE // 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) + (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN) // Defines some utility macros. @@ -549,16 +526,11 @@ #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= +// A macro to disallow the evil copy constructor and operator= functions // 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) + type(const type &);\ + void operator=(const type &) // Tell the compiler to warn about unused return values for functions declared // with this macro. The macro should be used on function declarations @@ -587,20 +559,6 @@ #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; @@ -609,11 +567,19 @@ namespace internal { class String; +// std::strstream is deprecated. However, we have to use it on +// Windows as std::stringstream won't compile on Windows when +// exceptions are disabled. We use std::stringstream on other +// platforms to avoid compiler warnings there. +#if GTEST_HAS_STD_STRING typedef ::std::stringstream StrStream; +#else +typedef ::std::strstream StrStream; +#endif // GTEST_HAS_STD_STRING // A helper for suppressing warnings on constant condition. It just // returns 'condition'. -GTEST_API_ bool IsTrue(bool condition); +bool IsTrue(bool condition); // Defines scoped_ptr. @@ -622,8 +588,6 @@ GTEST_API_ bool IsTrue(bool condition); template <typename T> class scoped_ptr { public: - typedef T element_type; - explicit scoped_ptr(T* p = NULL) : ptr_(p) {} ~scoped_ptr() { reset(); } @@ -653,16 +617,14 @@ class scoped_ptr { // Defines RE. -// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended +// A simple C++ wrapper for <regex.h>. It uses the POSIX Enxtended // Regular Expression syntax. -class GTEST_API_ RE { +class 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. +#if GTEST_HAS_STD_STRING RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT +#endif // GTEST_HAS_STD_STRING #if GTEST_HAS_GLOBAL_STRING RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT @@ -681,12 +643,14 @@ class GTEST_API_ RE { // // TODO(wan@google.com): make FullMatch() and PartialMatch() work // when str contains NUL characters. +#if GTEST_HAS_STD_STRING 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); } +#endif // GTEST_HAS_STD_STRING #if GTEST_HAS_GLOBAL_STRING static bool FullMatch(const ::string& str, const RE& re) { @@ -716,7 +680,7 @@ class GTEST_API_ RE { const char* full_pattern_; // For FullMatch(); #endif - GTEST_DISALLOW_ASSIGN_(RE); + GTEST_DISALLOW_COPY_AND_ASSIGN_(RE); }; // Defines logging utilities: @@ -735,7 +699,7 @@ enum GTestLogSeverity { // 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 { +class GTestLog { public: GTestLog(GTestLogSeverity severity, const char* file, int line); @@ -757,69 +721,12 @@ class GTEST_API_ GTestLog { 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_ +void CaptureStderr(); +String GetCapturedStderr(); #if GTEST_HAS_DEATH_TEST @@ -833,338 +740,6 @@ const ::std::vector<String>& GetArgvs(); // 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 @@ -1173,14 +748,14 @@ class ThreadLocal { class Mutex { public: Mutex() {} + explicit Mutex(int /*unused*/) {} void AssertHeld() const {} + enum { NO_CONSTRUCTOR_NEEDED_FOR_STATIC_MUTEX = 0 }; }; -#define GTEST_DECLARE_STATIC_MUTEX_(mutex) \ - extern ::testing::internal::Mutex mutex - -#define GTEST_DEFINE_STATIC_MUTEX_(mutex) ::testing::internal::Mutex mutex - +// We cannot call it MutexLock directly 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(Mutex*) {} // NOLINT @@ -1201,37 +776,30 @@ class ThreadLocal { T value_; }; +// Returns the number of threads running in the process, or 0 to indicate that +// we cannot detect it. +size_t GetThreadCount(); + // 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(); +#if defined(__SYMBIAN32__) || defined(__IBMCPP__) // 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 +// compiler. 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 indicate +// the fact. +#define GTEST_ELLIPSIS_NEEDS_COPY_ 1 // 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 + +#endif // defined(__SYMBIAN32__) || defined(__IBMCPP__) template <bool bool_value> struct bool_constant { @@ -1251,12 +819,10 @@ 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 @@ -1364,7 +930,7 @@ 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) +#elif defined(__BORLANDC__) // 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); @@ -1459,23 +1025,44 @@ typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. // Utilities for command line flags and environment variables. +// 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. " + // 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_bool_(name) extern bool GTEST_FLAG(name) #define GTEST_DECLARE_int32_(name) \ - GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) + extern ::testing::internal::Int32 GTEST_FLAG(name) #define GTEST_DECLARE_string_(name) \ - GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name) + 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) + bool GTEST_FLAG(name) = (default_val) #define GTEST_DEFINE_int32_(name, default_val, doc) \ - GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) + ::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) + ::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 @@ -1488,7 +1075,7 @@ 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); +Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); const char* StringFromGTestEnv(const char* flag, const char* default_val); } // namespace internal |