diff options
Diffstat (limited to 'contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h')
| -rw-r--r-- | contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h | 1212 |
1 files changed, 924 insertions, 288 deletions
diff --git a/contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h b/contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h index 20a95c9..9683271 100644 --- a/contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h +++ b/contrib/llvm/utils/unittest/googletest/include/gtest/internal/gtest-port.h @@ -42,6 +42,8 @@ // // 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). @@ -52,32 +54,42 @@ // 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). -// GTEST_HAS_TR1_TUPLE 1 - Define it to 1/0 to indicate tr1::tuple +// 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 name of the Google C++ Testing Framework project: -// GTEST_NAME - a string literal of the project name. -// GTEST_FLAG_PREFIX - a string literal of the prefix all Google -// Test flag names share. -// GTEST_FLAG_PREFIX_UPPER - a string literal of the prefix all Google -// Test flag names share, in upper case. -// -// Macros indicating the current platform: -// GTEST_OS_CYGWIN - defined iff compiled on Cygwin. -// GTEST_OS_LINUX - defined iff compiled on Linux. -// GTEST_OS_MAC - defined iff compiled on Mac OS X. -// GTEST_OS_SOLARIS - defined iff compiled on Sun Solaris. -// GTEST_OS_SYMBIAN - defined iff compiled for Symbian. -// GTEST_OS_WINDOWS - defined iff compiled on Windows. -// GTEST_OS_ZOS - defined iff compiled on IBM z/OS. +// 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 @@ -86,22 +98,26 @@ // 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. +// Note that it is possible that none of the GTEST_OS_* macros are defined. // -// Macros indicating available Google Test features: -// GTEST_HAS_COMBINE - defined iff Combine construct is supported -// in value-parameterized tests. -// GTEST_HAS_DEATH_TEST - defined iff death tests are supported. -// GTEST_HAS_PARAM_TEST - defined iff value-parameterized tests are -// supported. -// GTEST_HAS_TYPED_TEST - defined iff typed tests are supported. -// GTEST_HAS_TYPED_TEST_P - defined iff type-parameterized tests are -// supported. +// 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 don't have to -// be used. +// 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. // @@ -128,7 +144,10 @@ // LogToStderr() - directs all log messages to stderr. // FlushInfoLog() - flushes informational log messages. // -// Stderr capturing: +// 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. @@ -151,13 +170,24 @@ // 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 <iostream> // Used for GTEST_CHECK_ +#include <string.h> +#ifndef _WIN32_WCE +#include <sys/stat.h> +#endif // !_WIN32_WCE + +#include <iostream> // NOLINT +#include <sstream> // NOLINT +#include <string> // NOLINT -#define GTEST_NAME "Google Test" -#define GTEST_FLAG_PREFIX "gtest_" -#define GTEST_FLAG_PREFIX_UPPER "GTEST_" +#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__ @@ -168,50 +198,104 @@ // Determines the platform on which Google Test is compiled. #ifdef __CYGWIN__ -#define GTEST_OS_CYGWIN -#elif __SYMBIAN32__ -#define GTEST_OS_SYMBIAN -#elif defined _MSC_VER -// TODO(kenton@google.com): GTEST_OS_WINDOWS is currently used to mean -// both "The OS is Windows" and "The compiler is MSVC". These -// meanings really should be separated in order to better support -// Windows compilers other than MSVC. -#define GTEST_OS_WINDOWS +#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 +#define GTEST_OS_MAC 1 #elif defined __linux__ -#define GTEST_OS_LINUX +#define GTEST_OS_LINUX 1 #elif defined __MVS__ -#define GTEST_OS_ZOS +#define GTEST_OS_ZOS 1 #elif defined(__sun) && defined(__SVR4) -#define GTEST_OS_SOLARIS +#define GTEST_OS_SOLARIS 1 +#elif defined(_AIX) +#define GTEST_OS_AIX 1 #elif defined(__HAIKU__) -#define GTEST_OS_HAIKU -#endif // _MSC_VER +#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 -// Determines whether ::std::string and ::string are available. +#define GTEST_USES_POSIX_RE 1 + +#elif GTEST_OS_WINDOWS + +#if !GTEST_OS_WINDOWS_MOBILE +#include <direct.h> // NOLINT +#include <io.h> // NOLINT +#endif -#ifndef GTEST_HAS_STD_STRING -// The user didn't tell us whether ::std::string is available, so we -// need to figure it out. +// <regex.h> is not available on Windows. Use our own simple regex +// implementation instead. +#define GTEST_USES_SIMPLE_RE 1 -#ifdef GTEST_OS_WINDOWS +#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 -// GTEST_HAS_EXCEPTIONS is non-zero iff exceptions are enabled. It is -// always defined, while _HAS_EXCEPTIONS is defined only on Windows. #define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS -// On Windows, we can use ::std::string if the compiler version is VS -// 2005 or above, or if exceptions are enabled. -#define GTEST_HAS_STD_STRING ((_MSC_VER >= 1400) || GTEST_HAS_EXCEPTIONS) -#else // We are on Linux or Mac OS. +#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 -#define GTEST_HAS_STD_STRING 1 -#endif // GTEST_OS_WINDOWS +#endif // defined(_MSC_VER) || defined(__BORLANDC__) +#endif // GTEST_HAS_EXCEPTIONS -#endif // GTEST_HAS_STD_STRING +#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 @@ -227,35 +311,21 @@ // TODO(wan@google.com): uses autoconf to detect whether ::std::wstring // is available. -#if defined(GTEST_OS_CYGWIN) || defined(GTEST_OS_SOLARIS) || defined(GTEST_OS_HAIKU) || defined(_MINIX) -// At least some versions of cygwin don't support ::std::wstring. +// 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 0 -#else -#define GTEST_HAS_STD_WSTRING GTEST_HAS_STD_STRING -#endif // defined(GTEST_OS_CYGWIN) || defined(GTEST_OS_SOLARIS) +#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_GLOBAL_STRING +#define GTEST_HAS_GLOBAL_WSTRING \ + (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 @@ -267,72 +337,128 @@ #define GTEST_HAS_RTTI 1 #else #define GTEST_HAS_RTTI 0 -#endif // _CPPRTTI - -#elif defined(__GNUC__) +#endif // Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. -#if GTEST_GCC_VER_ >= 40302 +#elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) + #ifdef __GXX_RTTI #define GTEST_HAS_RTTI 1 #else #define GTEST_HAS_RTTI 0 #endif // __GXX_RTTI -#else -// For gcc versions smaller than 4.3.2, we assume RTTI is enabled. + +// 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 -#endif // GTEST_GCC_VER >= 40302 +#else +#define GTEST_HAS_RTTI 0 +#endif #else -// Unknown compiler - assume RTTI is enabled. +// For all other compilers, we assume RTTI is enabled. #define GTEST_HAS_RTTI 1 #endif // _MSC_VER #endif // GTEST_HAS_RTTI -// Determines whether <pthread.h> is available. -#ifndef GTEST_HAS_PTHREAD -// The user didn't tell us, so we need to figure it out. - -#if defined(GTEST_OS_LINUX) || defined(GTEST_OS_MAC) -#define GTEST_HAS_PTHREAD 1 -#else -#define GTEST_HAS_PTHREAD 0 -#endif // GTEST_OS_LINUX || GTEST_OS_MAC +// 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 tr1/tuple is available. If you have tr1/tuple -// on your platform, define GTEST_HAS_TR1_TUPLE=1 for both the Google -// Test project and your tests. If you would like Google Test to detect -// tr1/tuple on your platform automatically, please open an issue -// ticket at http://code.google.com/p/googletest. +// 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. -// GCC provides <tr1/tuple> since 4.0.0. -#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) -#define GTEST_HAS_TR1_TUPLE 1 +// 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_HAS_TR1_TUPLE 0 -#endif // __GNUC__ -#endif // GTEST_HAS_TR1_TUPLE +#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 defined(__GNUC__) -// GCC 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_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 -// If the compiler is not GCC, we assume the user is using a +#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> -#endif // __GNUC__ +#include <tuple> // NOLINT +#endif // GTEST_USE_OWN_TR1_TUPLE + #endif // GTEST_HAS_TR1_TUPLE // Determines whether clone(2) is supported. @@ -342,55 +468,57 @@ #ifndef GTEST_HAS_CLONE // The user didn't tell us, so we need to figure it out. -#if defined(GTEST_OS_LINUX) && !defined(__ia64__) +#if GTEST_OS_LINUX && !defined(__ia64__) #define GTEST_HAS_CLONE 1 #else #define GTEST_HAS_CLONE 0 -#endif // defined(GTEST_OS_LINUX) && !defined(__ia64__) +#endif // GTEST_OS_LINUX && !defined(__ia64__) #endif // GTEST_HAS_CLONE -// Determines whether to support death tests. -#if GTEST_HAS_STD_STRING && GTEST_HAS_CLONE -#define GTEST_HAS_DEATH_TEST -// 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> -#include <vector> -#include <fcntl.h> -#include <sys/mman.h> -#endif // GTEST_HAS_STD_STRING && 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 value-parameterized tests. +// 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 -#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 -#endif // defined(__GNUC__) || (_MSC_VER >= 1400) +// 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 and VC -// 8.0+ support. -#if defined(__GNUC__) || (_MSC_VER >= 1400) -#define GTEST_HAS_TYPED_TEST -#define GTEST_HAS_TYPED_TEST_P -#endif // defined(__GNUC__) || (_MSC_VER >= 1400) +// 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. -#if defined(GTEST_HAS_PARAM_TEST) && GTEST_HAS_TR1_TUPLE -#define GTEST_HAS_COMBINE -#endif // defined(GTEST_HAS_PARAM_TEST) && GTEST_HAS_TR1_TUPLE +// 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. -#if defined(GTEST_OS_WINDOWS) || defined(GTEST_OS_CYGWIN) || \ - defined(GTEST_OS_SYMBIAN) -#define GTEST_WIDE_STRING_USES_UTF16_ 1 -#endif +#define GTEST_WIDE_STRING_USES_UTF16_ \ + (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) // Defines some utility macros. @@ -408,7 +536,7 @@ #define GTEST_AMBIGUOUS_ELSE_BLOCKER_ switch (0) case 0: // NOLINT #endif -// Use this annotation at the end of a struct / class definition to +// 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: @@ -416,17 +544,25 @@ // 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 the evil copy constructor and operator= functions +// 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(const type &);\ - void operator=(const 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 @@ -439,6 +575,36 @@ #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; @@ -447,15 +613,11 @@ 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); // Defines scoped_ptr. @@ -464,6 +626,8 @@ typedef ::std::strstream StrStream; template <typename T> class scoped_ptr { public: + typedef T element_type; + explicit scoped_ptr(T* p = NULL) : ptr_(p) {} ~scoped_ptr() { reset(); } @@ -479,7 +643,7 @@ class scoped_ptr { void reset(T* p = NULL) { if (p != ptr_) { - if (sizeof(T) > 0) { // Makes sure T is a complete type. + if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. delete ptr_; } ptr_ = p; @@ -491,18 +655,18 @@ class scoped_ptr { GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); }; -#ifdef GTEST_HAS_DEATH_TEST - // Defines RE. -// A simple C++ wrapper for <regex.h>. It uses the POSIX Enxtended +// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended // Regular Expression syntax. -class RE { +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. -#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 @@ -521,14 +685,12 @@ class 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) { @@ -550,15 +712,20 @@ class RE { // 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(). - bool is_valid_; -}; +#else // GTEST_USES_SIMPLE_RE + const char* full_pattern_; // For FullMatch(); +#endif -#endif // GTEST_HAS_DEATH_TEST + GTEST_DISALLOW_ASSIGN_(RE); +}; // Defines logging utilities: -// GTEST_LOG_() - logs messages at the specified severity level. +// 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. @@ -569,35 +736,439 @@ enum GTestLogSeverity { GTEST_FATAL }; -void GTestLog(GTestLogSeverity severity, const char* file, - int line, const char* msg); +// 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(); -#define GTEST_LOG_(severity, msg)\ - ::testing::internal::GTestLog(\ - ::testing::internal::GTEST_##severity, __FILE__, __LINE__, \ - (::testing::Message() << (msg)).GetString().c_str()) + ::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_ + -#ifdef GTEST_HAS_DEATH_TEST +#if GTEST_HAS_DEATH_TEST // A copy of all command line arguments. Set by InitGoogleTest(). extern ::std::vector<String> g_argvs; -void CaptureStderr(); // GTEST_HAS_DEATH_TEST implies we have ::std::string. -::std::string GetCapturedStderr(); 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 @@ -606,14 +1177,14 @@ const ::std::vector<String>& GetArgvs(); class Mutex { public: Mutex() {} - explicit Mutex(int /*unused*/) {} void AssertHeld() const {} - enum { NO_CONSTRUCTOR_NEEDED_FOR_STATIC_MUTEX = 0 }; }; -// 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. +#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 @@ -634,30 +1205,37 @@ class ThreadLocal { T value_; }; -// There's no portable way to detect the number of threads, so we just -// return 0 to indicate that we cannot detect it. -inline size_t GetThreadCount() { return 0; } - // The above synchronization primitives have dummy implementations. // Therefore Google Test is not thread-safe. #define GTEST_IS_THREADSAFE 0 -#if defined(__SYMBIAN32__) || defined(__IBMCPP__) +#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. 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 +// 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 // defined(__SYMBIAN32__) || defined(__IBMCPP__) +#endif template <bool bool_value> struct bool_constant { @@ -675,15 +1253,146 @@ struct is_pointer : public false_type {}; template <typename T> struct is_pointer<T*> : public true_type {}; -// Defines BiggestInt as the biggest signed integer type the compiler -// supports. - -#ifdef GTEST_OS_WINDOWS +#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. @@ -736,7 +1445,7 @@ class TypeWithSize<4> { template <> class TypeWithSize<8> { public: -#ifdef GTEST_OS_WINDOWS +#if GTEST_OS_WINDOWS typedef __int64 Int; typedef unsigned __int64 UInt; #else @@ -754,96 +1463,23 @@ typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. // Utilities for command line flags and environment variables. -// A wrapper for getenv() that works on Linux, Windows, and Mac OS. -inline const char* GetEnv(const char* name) { -#ifdef _WIN32_WCE // We are on Windows CE. - // CE has no environment variables. - return NULL; -#elif defined(GTEST_OS_WINDOWS) // We are on Windows proper. - // MSVC 8 deprecates getenv(), so we want to suppress warning 4996 - // (deprecated function) there. -#pragma warning(push) // Saves the current warning state. -#pragma warning(disable:4996) // Temporarily disables warning 4996. - return getenv(name); -#pragma warning(pop) // Restores the warning state. -#else // We are on Linux or Mac OS. - return getenv(name); -#endif -} - -#ifdef _WIN32_WCE -// 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 // _WIN32_WCE - -// 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. -class GTestCheckProvider { - public: - GTestCheckProvider(const char* condition, const char* file, int line) { - FormatFileLocation(file, line); - ::std::cerr << " ERROR: Condition " << condition << " failed. "; - } - ~GTestCheckProvider() { - ::std::cerr << ::std::endl; - abort(); - } - void FormatFileLocation(const char* file, int line) { - if (file == NULL) - file = "unknown file"; - if (line < 0) { - ::std::cerr << file << ":"; - } else { -#if _MSC_VER - ::std::cerr << file << "(" << line << "):"; -#else - ::std::cerr << file << ":" << line << ":"; -#endif - } - } - ::std::ostream& GetStream() { return ::std::cerr; } -}; -#define GTEST_CHECK_(condition) \ - GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ - if (condition) \ - ; \ - else \ - ::testing::internal::GTestCheckProvider(\ - #condition, __FILE__, __LINE__).GetStream() - // Macro for referencing flags. #define GTEST_FLAG(name) FLAGS_gtest_##name // Macros for declaring flags. -#define GTEST_DECLARE_bool_(name) extern bool GTEST_FLAG(name) +#define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) #define GTEST_DECLARE_int32_(name) \ - extern ::testing::internal::Int32 GTEST_FLAG(name) + GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) #define GTEST_DECLARE_string_(name) \ - extern ::testing::internal::String GTEST_FLAG(name) + GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name) // Macros for defining flags. #define GTEST_DEFINE_bool_(name, default_val, doc) \ - bool GTEST_FLAG(name) = (default_val) + GTEST_API_ bool GTEST_FLAG(name) = (default_val) #define GTEST_DEFINE_int32_(name, default_val, doc) \ - ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) + GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) #define GTEST_DEFINE_string_(name, default_val, doc) \ - ::testing::internal::String GTEST_FLAG(name) = (default_val) + 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 @@ -856,7 +1492,7 @@ 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); -Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); +GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); const char* StringFromGTestEnv(const char* flag, const char* default_val); } // namespace internal |
