diff options
Diffstat (limited to 'extern/gtest/include/gtest/internal/gtest-port.h')
-rw-r--r-- | extern/gtest/include/gtest/internal/gtest-port.h | 895 |
1 files changed, 286 insertions, 609 deletions
diff --git a/extern/gtest/include/gtest/internal/gtest-port.h b/extern/gtest/include/gtest/internal/gtest-port.h index 0094ed5077e..063fcb1083b 100644 --- a/extern/gtest/include/gtest/internal/gtest-port.h +++ b/extern/gtest/include/gtest/internal/gtest-port.h @@ -27,8 +27,6 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -// Authors: wan@google.com (Zhanyong Wan) -// // Low-level types and utilities for porting Google Test to various // platforms. All macros ending with _ and symbols defined in an // internal namespace are subject to change without notice. Code @@ -40,6 +38,8 @@ // files are expected to #include this. Therefore, it cannot #include // any other Google Test header. +// GOOGLETEST_CM0001 DO NOT DELETE + #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ @@ -72,12 +72,6 @@ // is/isn't available. // GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions // are enabled. -// GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string -// is/isn't available (some systems define -// ::string, which is different to std::string). -// GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string -// is/isn't available (some systems define -// ::wstring, which is different to std::wstring). // GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular // expressions are/aren't available. // GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h> @@ -87,8 +81,6 @@ // GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that // std::wstring does/doesn't work (Google Test can // be used where std::wstring is unavailable). -// GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple -// is/isn't available. // GTEST_HAS_SEH - Define it to 1/0 to indicate whether the // compiler supports Microsoft's "Structured // Exception Handling". @@ -96,12 +88,6 @@ // - Define it to 1/0 to indicate whether the // platform supports I/O stream redirection using // dup() and dup2(). -// GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google -// Test's own tr1 tuple implementation should be -// used. Unused when the user sets -// GTEST_HAS_TR1_TUPLE to 0. -// GTEST_LANG_CXX11 - Define it to 1/0 to indicate that Google Test -// is building in C++11/C++98 mode. // GTEST_LINKED_AS_SHARED_LIBRARY // - Define to 1 when compiling tests that use // Google Test as a shared library (known as @@ -109,6 +95,12 @@ // GTEST_CREATE_SHARED_LIBRARY // - Define to 1 when compiling Google Test itself // as a shared library. +// GTEST_DEFAULT_DEATH_TEST_STYLE +// - The default value of --gtest_death_test_style. +// The legacy default has been "fast" in the open +// source version since 2008. The recommended value +// is "threadsafe", and can be set in +// custom/gtest-port.h. // Platform-indicating macros // -------------------------- @@ -121,17 +113,22 @@ // // GTEST_OS_AIX - IBM AIX // GTEST_OS_CYGWIN - Cygwin +// GTEST_OS_DRAGONFLY - DragonFlyBSD // GTEST_OS_FREEBSD - FreeBSD +// GTEST_OS_FUCHSIA - Fuchsia +// GTEST_OS_GNU_KFREEBSD - GNU/kFreeBSD +// GTEST_OS_HAIKU - Haiku // GTEST_OS_HPUX - HP-UX // GTEST_OS_LINUX - Linux // GTEST_OS_LINUX_ANDROID - Google Android // GTEST_OS_MAC - Mac OS X // GTEST_OS_IOS - iOS // GTEST_OS_NACL - Google Native Client (NaCl) +// GTEST_OS_NETBSD - NetBSD // GTEST_OS_OPENBSD - OpenBSD +// GTEST_OS_OS2 - OS/2 // GTEST_OS_QNX - QNX // 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 @@ -140,7 +137,7 @@ // GTEST_OS_WINDOWS_RT - Windows Store App/WinRT // GTEST_OS_ZOS - z/OS // -// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the +// Among the platforms, Cygwin, Linux, Mac OS X, and Windows have the // most stable support. Since core members of the Google Test project // don't have access to other platforms, support for them may be less // stable. If you notice any problems on your platform, please notify @@ -166,19 +163,16 @@ // EXPECT_DEATH(DoSomethingDeadly()); // #endif // -// 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_IS_THREADSAFE - Google Test is thread-safe. +// GOOGLETEST_CM0007 DO NOT DELETE // GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with // GTEST_HAS_POSIX_RE (see above) which users can // define themselves. // GTEST_USES_SIMPLE_RE - our own simple regex is used; -// the above two are mutually exclusive. -// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). +// the above RE\b(s) are mutually exclusive. // Misc public macros // ------------------ @@ -204,28 +198,16 @@ // GTEST_INTENTIONAL_CONST_COND_POP_ - finish code section where MSVC C4127 // is suppressed. // -// C++11 feature wrappers: -// -// testing::internal::move - portability wrapper for std::move. -// // Synchronization: // Mutex, MutexLock, ThreadLocal, GetThreadCount() // - synchronization primitives. // -// Template meta programming: -// is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only. -// IteratorTraits - partial implementation of std::iterator_traits, which -// is not available in libCstd when compiled with Sun C++. -// -// Smart pointers: -// scoped_ptr - as in TR2. -// // Regular expressions: // RE - a simple regular expression class using the POSIX -// Extended Regular Expression syntax on UNIX-like -// platforms, or a reduced regular exception syntax on -// other platforms, including Windows. -// +// Extended Regular Expression syntax on UNIX-like platforms +// GOOGLETEST_CM0008 DO NOT DELETE +// or a reduced regular exception syntax on other +// platforms, including Windows. // Logging: // GTEST_LOG_() - logs messages at the specified severity level. // LogToStderr() - directs all log messages to stderr. @@ -255,12 +237,20 @@ // BoolFromGTestEnv() - parses a bool environment variable. // Int32FromGTestEnv() - parses an Int32 environment variable. // StringFromGTestEnv() - parses a string environment variable. +// +// Deprecation warnings: +// GTEST_INTERNAL_DEPRECATED(message) - attribute marking a function as +// deprecated; calling a marked function +// should generate a compiler warning #include <ctype.h> // for isspace, etc #include <stddef.h> // for ptrdiff_t -#include <stdlib.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> +#include <memory> +#include <type_traits> + #ifndef _WIN32_WCE # include <sys/types.h> # include <sys/stat.h> @@ -272,9 +262,10 @@ #endif #include <algorithm> // NOLINT -#include <iostream> // NOLINT -#include <sstream> // NOLINT -#include <string> // NOLINT +#include <iostream> // NOLINT +#include <sstream> // NOLINT +#include <string> // NOLINT +#include <tuple> #include <utility> #include <vector> // NOLINT @@ -306,85 +297,32 @@ // GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 4385) // /* code that triggers warnings C4800 and C4385 */ // GTEST_DISABLE_MSC_WARNINGS_POP_() -#if _MSC_VER >= 1500 +#if defined(_MSC_VER) # define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) \ __pragma(warning(push)) \ __pragma(warning(disable: warnings)) # define GTEST_DISABLE_MSC_WARNINGS_POP_() \ __pragma(warning(pop)) #else -// Older versions of MSVC don't have __pragma. +// Not all compilers are MSVC # define GTEST_DISABLE_MSC_WARNINGS_PUSH_(warnings) # define GTEST_DISABLE_MSC_WARNINGS_POP_() #endif -#ifndef GTEST_LANG_CXX11 -// gcc and clang define __GXX_EXPERIMENTAL_CXX0X__ when -// -std={c,gnu}++{0x,11} is passed. The C++11 standard specifies a -// value for __cplusplus, and recent versions of clang, gcc, and -// probably other compilers set that too in C++11 mode. -# if __GXX_EXPERIMENTAL_CXX0X__ || __cplusplus >= 201103L -// Compiling in at least C++11 mode. -# define GTEST_LANG_CXX11 1 -# else -# define GTEST_LANG_CXX11 0 -# endif -#endif - -// Distinct from C++11 language support, some environments don't provide -// proper C++11 library support. Notably, it's possible to build in -// C++11 mode when targeting Mac OS X 10.6, which has an old libstdc++ -// with no C++11 support. -// -// libstdc++ has sufficient C++11 support as of GCC 4.6.0, __GLIBCXX__ -// 20110325, but maintenance releases in the 4.4 and 4.5 series followed -// this date, so check for those versions by their date stamps. -// https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html#abi.versioning -#if GTEST_LANG_CXX11 && \ - (!defined(__GLIBCXX__) || ( \ - __GLIBCXX__ >= 20110325ul && /* GCC >= 4.6.0 */ \ - /* Blacklist of patch releases of older branches: */ \ - __GLIBCXX__ != 20110416ul && /* GCC 4.4.6 */ \ - __GLIBCXX__ != 20120313ul && /* GCC 4.4.7 */ \ - __GLIBCXX__ != 20110428ul && /* GCC 4.5.3 */ \ - __GLIBCXX__ != 20120702ul)) /* GCC 4.5.4 */ -# define GTEST_STDLIB_CXX11 1 -#endif - -// Only use C++11 library features if the library provides them. -#if GTEST_STDLIB_CXX11 -# define GTEST_HAS_STD_BEGIN_AND_END_ 1 -# define GTEST_HAS_STD_FORWARD_LIST_ 1 -# define GTEST_HAS_STD_FUNCTION_ 1 -# define GTEST_HAS_STD_INITIALIZER_LIST_ 1 -# define GTEST_HAS_STD_MOVE_ 1 -# define GTEST_HAS_STD_SHARED_PTR_ 1 -# define GTEST_HAS_STD_TYPE_TRAITS_ 1 -# define GTEST_HAS_STD_UNIQUE_PTR_ 1 -#endif - -// C++11 specifies that <tuple> provides std::tuple. -// Some platforms still might not have it, however. -#if GTEST_LANG_CXX11 -# define GTEST_HAS_STD_TUPLE_ 1 -# if defined(__clang__) -// Inspired by http://clang.llvm.org/docs/LanguageExtensions.html#__has_include -# if defined(__has_include) && !__has_include(<tuple>) -# undef GTEST_HAS_STD_TUPLE_ -# endif -# elif defined(_MSC_VER) -// Inspired by boost/config/stdlib/dinkumware.hpp -# if defined(_CPPLIB_VER) && _CPPLIB_VER < 520 -# undef GTEST_HAS_STD_TUPLE_ -# endif -# elif defined(__GLIBCXX__) -// Inspired by boost/config/stdlib/libstdcpp3.hpp, -// http://gcc.gnu.org/gcc-4.2/changes.html and -// http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#manual.intro.status.standard.200x -# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) -# undef GTEST_HAS_STD_TUPLE_ -# endif -# endif +// Clang on Windows does not understand MSVC's pragma warning. +// We need clang-specific way to disable function deprecation warning. +#ifdef __clang__ +# define GTEST_DISABLE_MSC_DEPRECATED_PUSH_() \ + _Pragma("clang diagnostic push") \ + _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") \ + _Pragma("clang diagnostic ignored \"-Wdeprecated-implementations\"") +#define GTEST_DISABLE_MSC_DEPRECATED_POP_() \ + _Pragma("clang diagnostic pop") +#else +# define GTEST_DISABLE_MSC_DEPRECATED_PUSH_() \ + GTEST_DISABLE_MSC_WARNINGS_PUSH_(4996) +# define GTEST_DISABLE_MSC_DEPRECATED_POP_() \ + GTEST_DISABLE_MSC_WARNINGS_POP_() #endif // Brings in definitions for functions used in the testing::internal::posix @@ -396,10 +334,16 @@ # include <io.h> # endif // In order to avoid having to include <windows.h>, use forward declaration -// assuming CRITICAL_SECTION is a typedef of _RTL_CRITICAL_SECTION. +#if GTEST_OS_WINDOWS_MINGW && !defined(__MINGW64_VERSION_MAJOR) +// MinGW defined _CRITICAL_SECTION and _RTL_CRITICAL_SECTION as two +// separate (equivalent) structs, instead of using typedef +typedef struct _CRITICAL_SECTION GTEST_CRITICAL_SECTION; +#else +// Assume CRITICAL_SECTION is a typedef of _RTL_CRITICAL_SECTION. // This assumption is verified by // WindowsTypesTest.CRITICAL_SECTIONIs_RTL_CRITICAL_SECTION. -struct _RTL_CRITICAL_SECTION; +typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; +#endif #else // This assumes that non-Windows OSes provide unistd.h. For OSes where this // is not the case, we need to include headers that provide the functions @@ -413,7 +357,8 @@ struct _RTL_CRITICAL_SECTION; # include <android/api-level.h> // NOLINT #endif -// Defines this to true iff Google Test can use POSIX regular expressions. +// Defines this to true if and only if Google Test can use POSIX regular +// expressions. #ifndef GTEST_HAS_POSIX_RE # if GTEST_OS_LINUX_ANDROID // On Android, <regex.h> is only available starting with Gingerbread. @@ -453,8 +398,11 @@ struct _RTL_CRITICAL_SECTION; #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 +# if defined(_MSC_VER) && defined(_CPPUNWIND) +// MSVC defines _CPPUNWIND to 1 if and only if exceptions are enabled. +# define GTEST_HAS_EXCEPTIONS 1 +# elif defined(__BORLANDC__) +// C++Builder's implementation of the STL uses the _HAS_EXCEPTIONS // macro to enable exceptions, so we'll do the same. // Assumes that exceptions are enabled by default. # ifndef _HAS_EXCEPTIONS @@ -462,16 +410,17 @@ struct _RTL_CRITICAL_SECTION; # endif // _HAS_EXCEPTIONS # define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS # elif defined(__clang__) -// clang defines __EXCEPTIONS iff exceptions are enabled before clang 220714, -// but iff cleanups are enabled after that. In Obj-C++ files, there can be -// cleanups for ObjC exceptions which also need cleanups, even if C++ exceptions -// are disabled. clang has __has_feature(cxx_exceptions) which checks for C++ -// exceptions starting at clang r206352, but which checked for cleanups prior to -// that. To reliably check for C++ exception availability with clang, check for +// clang defines __EXCEPTIONS if and only if exceptions are enabled before clang +// 220714, but if and only if cleanups are enabled after that. In Obj-C++ files, +// there can be cleanups for ObjC exceptions which also need cleanups, even if +// C++ exceptions are disabled. clang has __has_feature(cxx_exceptions) which +// checks for C++ exceptions starting at clang r206352, but which checked for +// cleanups prior to that. To reliably check for C++ exception availability with +// clang, check for // __EXCEPTIONS && __has_feature(cxx_exceptions). # define GTEST_HAS_EXCEPTIONS (__EXCEPTIONS && __has_feature(cxx_exceptions)) # elif defined(__GNUC__) && __EXCEPTIONS -// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled. +// gcc defines __EXCEPTIONS to 1 if and only if 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 @@ -479,7 +428,7 @@ struct _RTL_CRITICAL_SECTION; // 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. +// xlC defines __EXCEPTIONS to 1 if and only if exceptions are enabled. # define GTEST_HAS_EXCEPTIONS 1 # elif defined(__HP_aCC) // Exception handling is in effect by default in HP aCC compiler. It has to @@ -498,38 +447,21 @@ struct _RTL_CRITICAL_SECTION; # 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." +# error "::std::string isn't available." #endif // !defined(GTEST_HAS_STD_STRING) -#ifndef GTEST_HAS_GLOBAL_STRING -// The user didn't tell us whether ::string is available, so we need -// to figure it out. - -# define GTEST_HAS_GLOBAL_STRING 0 - -#endif // GTEST_HAS_GLOBAL_STRING - #ifndef GTEST_HAS_STD_WSTRING // The user didn't tell us whether ::std::wstring is available, so we need // to figure it out. -// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring -// is available. - // Cygwin 1.7 and below doesn't support ::std::wstring. // Solaris' libc++ doesn't support it either. Android has // no support for it at least as recent as Froyo (2.2). -# define GTEST_HAS_STD_WSTRING \ - (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS)) +#define GTEST_HAS_STD_WSTRING \ + (!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ + GTEST_OS_HAIKU)) #endif // GTEST_HAS_STD_WSTRING -#ifndef GTEST_HAS_GLOBAL_WSTRING -// The user didn't tell us whether ::wstring is available, so we need -// to figure it out. -# define GTEST_HAS_GLOBAL_WSTRING \ - (GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING) -#endif // GTEST_HAS_GLOBAL_WSTRING - // Determines whether RTTI is available. #ifndef GTEST_HAS_RTTI // The user didn't tell us whether RTTI is enabled, so we need to @@ -537,14 +469,15 @@ struct _RTL_CRITICAL_SECTION; # ifdef _MSC_VER -# ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled. +#ifdef _CPPRTTI // MSVC defines this macro if and only if RTTI is enabled. # define GTEST_HAS_RTTI 1 # else # define GTEST_HAS_RTTI 0 # endif -// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. -# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) +// Starting with version 4.3.2, gcc defines __GXX_RTTI if and only if RTTI is +// enabled. +# elif defined(__GNUC__) # ifdef __GXX_RTTI // When building against STLport with the Android NDK and with @@ -600,8 +533,11 @@ struct _RTL_CRITICAL_SECTION; // // To disable threading support in Google Test, add -DGTEST_HAS_PTHREAD=0 // to your compiler flags. -# define GTEST_HAS_PTHREAD (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX \ - || GTEST_OS_QNX || GTEST_OS_FREEBSD || GTEST_OS_NACL) +#define GTEST_HAS_PTHREAD \ + (GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_HPUX || GTEST_OS_QNX || \ + GTEST_OS_FREEBSD || GTEST_OS_NACL || GTEST_OS_NETBSD || GTEST_OS_FUCHSIA || \ + GTEST_OS_DRAGONFLY || GTEST_OS_GNU_KFREEBSD || GTEST_OS_OPENBSD || \ + GTEST_OS_HAIKU) #endif // GTEST_HAS_PTHREAD #if GTEST_HAS_PTHREAD @@ -613,138 +549,6 @@ struct _RTL_CRITICAL_SECTION; # include <time.h> // NOLINT #endif -// Determines if hash_map/hash_set are available. -// Only used for testing against those containers. -#if !defined(GTEST_HAS_HASH_MAP_) -# if _MSC_VER -# define GTEST_HAS_HASH_MAP_ 1 // Indicates that hash_map is available. -# define GTEST_HAS_HASH_SET_ 1 // Indicates that hash_set is available. -# endif // _MSC_VER -#endif // !defined(GTEST_HAS_HASH_MAP_) - -// 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 -# if GTEST_OS_LINUX_ANDROID && defined(_STLPORT_MAJOR) -// STLport, provided with the Android NDK, has neither <tr1/tuple> or <tuple>. -# define GTEST_HAS_TR1_TUPLE 0 -# else -// The user didn't tell us not to do it, so we assume it's OK. -# define GTEST_HAS_TR1_TUPLE 1 -# endif -#endif // GTEST_HAS_TR1_TUPLE - -// Determines whether Google Test's own tr1 tuple implementation -// should be used. -#ifndef GTEST_USE_OWN_TR1_TUPLE -// The user didn't tell us, so we need to figure it out. - -// We use our own TR1 tuple if we aren't sure the user has an -// implementation of it already. At this time, libstdc++ 4.0.0+ and -// MSVC 2010 are the only mainstream standard libraries 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. QNX's QCC compiler is a modified GCC but it doesn't -// support TR1 tuple. libc++ only provides std::tuple, in C++11 mode, -// and it can be used with some compilers that define __GNUC__. -# if (defined(__GNUC__) && !defined(__CUDACC__) && (GTEST_GCC_VER_ >= 40000) \ - && !GTEST_OS_QNX && !defined(_LIBCPP_VERSION)) || _MSC_VER >= 1600 -# define GTEST_ENV_HAS_TR1_TUPLE_ 1 -# endif - -// C++11 specifies that <tuple> provides std::tuple. Use that if gtest is used -// in C++11 mode and libstdc++ isn't very old (binaries targeting OS X 10.6 -// can build with clang but need to use gcc4.2's libstdc++). -# if GTEST_LANG_CXX11 && (!defined(__GLIBCXX__) || __GLIBCXX__ > 20110325) -# define GTEST_ENV_HAS_STD_TUPLE_ 1 -# endif - -# if GTEST_ENV_HAS_TR1_TUPLE_ || GTEST_ENV_HAS_STD_TUPLE_ -# define GTEST_USE_OWN_TR1_TUPLE 0 -# else -# define GTEST_USE_OWN_TR1_TUPLE 1 -# endif - -#endif // GTEST_USE_OWN_TR1_TUPLE - -// To avoid conditional compilation everywhere, we make it -// gtest-port.h's responsibility to #include the header implementing -// tuple. -#if GTEST_HAS_STD_TUPLE_ -# include <tuple> // IWYU pragma: export -# define GTEST_TUPLE_NAMESPACE_ ::std -#endif // GTEST_HAS_STD_TUPLE_ - -// We include tr1::tuple even if std::tuple is available to define printers for -// them. -#if GTEST_HAS_TR1_TUPLE -# ifndef GTEST_TUPLE_NAMESPACE_ -# define GTEST_TUPLE_NAMESPACE_ ::std::tr1 -# endif // GTEST_TUPLE_NAMESPACE_ - -# if GTEST_USE_OWN_TR1_TUPLE -# include "gtest/internal/gtest-tuple.h" // IWYU pragma: export // NOLINT -# elif GTEST_ENV_HAS_STD_TUPLE_ -# include <tuple> -// C++11 puts its tuple into the ::std namespace rather than -// ::std::tr1. gtest expects tuple to live in ::std::tr1, so put it there. -// This causes undefined behavior, but supported compilers react in -// the way we intend. -namespace std { -namespace tr1 { -using ::std::get; -using ::std::make_tuple; -using ::std::tuple; -using ::std::tuple_element; -using ::std::tuple_size; -} -} - -# 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> // IWYU pragma: export // NOLINT - -# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40000) -// GCC 4.0+ implements tr1/tuple in the <tr1/tuple> header. This does -// not conform to the TR1 spec, which requires the header to be <tuple>. - -# if !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 -// Until version 4.3.2, gcc has a bug that causes <tr1/functional>, -// which is #included by <tr1/tuple>, to not compile when RTTI is -// disabled. _TR1_FUNCTIONAL is the header guard for -// <tr1/functional>. Hence the following #define is a hack to prevent -// <tr1/functional> from being included. -# define _TR1_FUNCTIONAL 1 -# include <tr1/tuple> -# undef _TR1_FUNCTIONAL // Allows the user to #include - // <tr1/functional> if he chooses to. -# else -# include <tr1/tuple> // NOLINT -# endif // !GTEST_HAS_RTTI && GTEST_GCC_VER_ < 40302 - -# else -// If the compiler is not GCC 4.0+, we assume the user is using a -// spec-conforming TR1 implementation. -# include <tuple> // IWYU pragma: export // NOLINT -# endif // GTEST_USE_OWN_TR1_TUPLE - -#endif // GTEST_HAS_TR1_TUPLE - // Determines whether clone(2) is supported. // Usually it will only be available on Linux, excluding // Linux on the Itanium architecture. @@ -754,8 +558,12 @@ using ::std::tuple_size; # if GTEST_OS_LINUX && !defined(__ia64__) # if GTEST_OS_LINUX_ANDROID -// On Android, clone() is only available on ARM starting with Gingerbread. -# if defined(__arm__) && __ANDROID_API__ >= 9 +// On Android, clone() became available at different API levels for each 32-bit +// architecture. +# if defined(__LP64__) || \ + (defined(__arm__) && __ANDROID_API__ >= 9) || \ + (defined(__mips__) && __ANDROID_API__ >= 12) || \ + (defined(__i386__) && __ANDROID_API__ >= 17) # define GTEST_HAS_CLONE 1 # else # define GTEST_HAS_CLONE 0 @@ -774,55 +582,41 @@ using ::std::tuple_size; #ifndef GTEST_HAS_STREAM_REDIRECTION // By default, we assume that stream redirection is supported on all // platforms except known mobile ones. -# if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || \ - GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT +# if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT # define GTEST_HAS_STREAM_REDIRECTION 0 # else # define GTEST_HAS_STREAM_REDIRECTION 1 -# endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN +# endif // !GTEST_OS_WINDOWS_MOBILE #endif // GTEST_HAS_STREAM_REDIRECTION // Determines whether to support death tests. -// Google Test does not support death tests for VC 7.1 and earlier as -// abort() in a VC 7.1 application compiled as GUI in debug config // pops up a dialog window that cannot be suppressed programmatically. -#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ - (GTEST_OS_MAC && !GTEST_OS_IOS) || \ - (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \ - GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX || \ - GTEST_OS_OPENBSD || GTEST_OS_QNX || GTEST_OS_FREEBSD) +#if (GTEST_OS_LINUX || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \ + (GTEST_OS_MAC && !GTEST_OS_IOS) || \ + (GTEST_OS_WINDOWS_DESKTOP && _MSC_VER) || GTEST_OS_WINDOWS_MINGW || \ + GTEST_OS_AIX || GTEST_OS_HPUX || GTEST_OS_OPENBSD || GTEST_OS_QNX || \ + GTEST_OS_FREEBSD || GTEST_OS_NETBSD || GTEST_OS_FUCHSIA || \ + GTEST_OS_DRAGONFLY || GTEST_OS_GNU_KFREEBSD || GTEST_OS_HAIKU) # define GTEST_HAS_DEATH_TEST 1 #endif -// We don't support MSVC 7.1 with exceptions disabled now. Therefore -// all the compilers we care about are adequate for supporting -// value-parameterized tests. -#define GTEST_HAS_PARAM_TEST 1 - // Determines whether to support type-driven tests. // Typed tests need <typeinfo> and variadic macros, which GCC, VC++ 8.0, // Sun Pro CC, IBM Visual Age, and HP aCC support. -#if defined(__GNUC__) || (_MSC_VER >= 1400) || defined(__SUNPRO_CC) || \ +#if defined(__GNUC__) || defined(_MSC_VER) || defined(__SUNPRO_CC) || \ defined(__IBMCPP__) || defined(__HP_aCC) # define GTEST_HAS_TYPED_TEST 1 # define GTEST_HAS_TYPED_TEST_P 1 #endif -// Determines whether to support Combine(). This only makes sense when -// value-parameterized tests are enabled. The implementation doesn't -// work on Sun Studio since it doesn't understand templated conversion -// operators. -#if GTEST_HAS_PARAM_TEST && GTEST_HAS_TR1_TUPLE && !defined(__SUNPRO_CC) -# define GTEST_HAS_COMBINE 1 -#endif - // Determines whether the system compiler uses UTF-16 for encoding wide strings. #define GTEST_WIDE_STRING_USES_UTF16_ \ - (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_SYMBIAN || GTEST_OS_AIX) + (GTEST_OS_WINDOWS || GTEST_OS_CYGWIN || GTEST_OS_AIX || GTEST_OS_OS2) // Determines whether test results can be streamed to a socket. -#if GTEST_OS_LINUX +#if GTEST_OS_LINUX || GTEST_OS_GNU_KFREEBSD || GTEST_OS_DRAGONFLY || \ + GTEST_OS_FREEBSD || GTEST_OS_NETBSD || GTEST_OS_OPENBSD # define GTEST_CAN_STREAM_RESULTS_ 1 #endif @@ -864,15 +658,33 @@ using ::std::tuple_size; # define GTEST_ATTRIBUTE_UNUSED_ #endif +// Use this annotation before a function that takes a printf format string. +#if (defined(__GNUC__) || defined(__clang__)) && !defined(COMPILER_ICC) +# if defined(__MINGW_PRINTF_FORMAT) +// MinGW has two different printf implementations. Ensure the format macro +// matches the selected implementation. See +// https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/. +# define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check) \ + __attribute__((__format__(__MINGW_PRINTF_FORMAT, string_index, \ + first_to_check))) +# else +# define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check) \ + __attribute__((__format__(__printf__, string_index, first_to_check))) +# endif +#else +# define GTEST_ATTRIBUTE_PRINTF_(string_index, first_to_check) +#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 &) +#define GTEST_DISALLOW_ASSIGN_(type) \ + void operator=(type const &) = delete // A macro to disallow copy constructor and operator= // This should be used in the private: declarations for a class. -#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)\ - type(type const &);\ +#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type) \ + type(type const &) = delete; \ GTEST_DISALLOW_ASSIGN_(type) // Tell the compiler to warn about unused return values for functions declared @@ -880,11 +692,11 @@ using ::std::tuple_size; // following the argument list: // // Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_; -#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !defined(COMPILER_ICC) +#if defined(__GNUC__) && !defined(COMPILER_ICC) # define GTEST_MUST_USE_RESULT_ __attribute__ ((warn_unused_result)) #else # define GTEST_MUST_USE_RESULT_ -#endif // __GNUC__ && (GTEST_GCC_VER_ >= 30400) && !COMPILER_ICC +#endif // __GNUC__ && !COMPILER_ICC // MS C++ compiler emits warning when a conditional expression is compile time // constant. In some contexts this warning is false positive and needs to be @@ -913,13 +725,22 @@ using ::std::tuple_size; # define GTEST_HAS_SEH 0 # endif -#define GTEST_IS_THREADSAFE \ - (GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ \ - || (GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT) \ - || GTEST_HAS_PTHREAD) - #endif // GTEST_HAS_SEH +#ifndef GTEST_IS_THREADSAFE + +#define GTEST_IS_THREADSAFE \ + (GTEST_HAS_MUTEX_AND_THREAD_LOCAL_ || \ + (GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_PHONE && !GTEST_OS_WINDOWS_RT) || \ + GTEST_HAS_PTHREAD) + +#endif // GTEST_IS_THREADSAFE + +// GTEST_API_ qualifies all symbols that must be exported. The definitions below +// are guarded by #ifndef to give embedders a chance to define GTEST_API_ in +// gtest/internal/custom/gtest-port.h +#ifndef GTEST_API_ + #ifdef _MSC_VER # if GTEST_LINKED_AS_SHARED_LIBRARY # define GTEST_API_ __declspec(dllimport) @@ -928,11 +749,17 @@ using ::std::tuple_size; # endif #elif __GNUC__ >= 4 || defined(__clang__) # define GTEST_API_ __attribute__((visibility ("default"))) -#endif // _MSC_VER +#endif // _MSC_VER + +#endif // GTEST_API_ #ifndef GTEST_API_ # define GTEST_API_ -#endif +#endif // GTEST_API_ + +#ifndef GTEST_DEFAULT_DEATH_TEST_STYLE +# define GTEST_DEFAULT_DEATH_TEST_STYLE "fast" +#endif // GTEST_DEFAULT_DEATH_TEST_STYLE #ifdef __GNUC__ // Ask the compiler to never inline a given function. @@ -942,10 +769,12 @@ using ::std::tuple_size; #endif // _LIBCPP_VERSION is defined by the libc++ library from the LLVM project. -#if defined(__GLIBCXX__) || defined(_LIBCPP_VERSION) -# define GTEST_HAS_CXXABI_H_ 1 -#else -# define GTEST_HAS_CXXABI_H_ 0 +#if !defined(GTEST_HAS_CXXABI_H_) +# if defined(__GLIBCXX__) || (defined(_LIBCPP_VERSION) && !defined(_MSC_VER)) +# define GTEST_HAS_CXXABI_H_ 1 +# else +# define GTEST_HAS_CXXABI_H_ 0 +# endif #endif // A function level attribute to disable checking for use of uninitialized @@ -973,6 +802,18 @@ using ::std::tuple_size; # define GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ #endif // __clang__ +// A function level attribute to disable HWAddressSanitizer instrumentation. +#if defined(__clang__) +# if __has_feature(hwaddress_sanitizer) +# define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_ \ + __attribute__((no_sanitize("hwaddress"))) +# else +# define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_ +# endif // __has_feature(hwaddress_sanitizer) +#else +# define GTEST_ATTRIBUTE_NO_SANITIZE_HWADDRESS_ +#endif // __clang__ + // A function level attribute to disable ThreadSanitizer instrumentation. #if defined(__clang__) # if __has_feature(thread_sanitizer) @@ -989,16 +830,13 @@ namespace testing { class Message; -#if defined(GTEST_TUPLE_NAMESPACE_) -// Import tuple and friends into the ::testing namespace. -// It is part of our interface, having them in ::testing allows us to change -// their types as needed. -using GTEST_TUPLE_NAMESPACE_::get; -using GTEST_TUPLE_NAMESPACE_::make_tuple; -using GTEST_TUPLE_NAMESPACE_::tuple; -using GTEST_TUPLE_NAMESPACE_::tuple_size; -using GTEST_TUPLE_NAMESPACE_::tuple_element; -#endif // defined(GTEST_TUPLE_NAMESPACE_) +// Legacy imports for backwards compatibility. +// New code should use std:: names directly. +using std::get; +using std::make_tuple; +using std::tuple; +using std::tuple_element; +using std::tuple_size; namespace internal { @@ -1007,150 +845,30 @@ namespace internal { // Secret object, which is what we want. class Secret; -// The GTEST_COMPILE_ASSERT_ macro can be used to verify that a compile time -// expression is true. For example, you could use it to verify the -// size of a static array: +// The GTEST_COMPILE_ASSERT_ is a legacy macro used to verify that a compile +// time expression is true (in new code, use static_assert instead). For +// example, you could use it to verify the size of a static array: // // GTEST_COMPILE_ASSERT_(GTEST_ARRAY_SIZE_(names) == NUM_NAMES, // names_incorrect_size); // -// or to make sure a struct is smaller than a certain size: -// -// GTEST_COMPILE_ASSERT_(sizeof(foo) < 128, foo_too_large); -// -// The second argument to the macro is the name of the variable. If -// the expression is false, most compilers will issue a warning/error -// containing the name of the variable. - -#if GTEST_LANG_CXX11 -# define GTEST_COMPILE_ASSERT_(expr, msg) static_assert(expr, #msg) -#else // !GTEST_LANG_CXX11 -template <bool> - struct CompileAssert { -}; - -# define GTEST_COMPILE_ASSERT_(expr, msg) \ - typedef ::testing::internal::CompileAssert<(static_cast<bool>(expr))> \ - msg[static_cast<bool>(expr) ? 1 : -1] GTEST_ATTRIBUTE_UNUSED_ -#endif // !GTEST_LANG_CXX11 - -// Implementation details of GTEST_COMPILE_ASSERT_: -// -// (In C++11, we simply use static_assert instead of the following) -// -// - GTEST_COMPILE_ASSERT_ works by defining an array type that has -1 -// elements (and thus is invalid) when the expression is false. -// -// - The simpler definition -// -// #define GTEST_COMPILE_ASSERT_(expr, msg) typedef char msg[(expr) ? 1 : -1] -// -// does not work, as gcc supports variable-length arrays whose sizes -// are determined at run-time (this is gcc's extension and not part -// of the C++ standard). As a result, gcc fails to reject the -// following code with the simple definition: -// -// int foo; -// GTEST_COMPILE_ASSERT_(foo, msg); // not supposed to compile as foo is -// // not a compile-time constant. -// -// - By using the type CompileAssert<(bool(expr))>, we ensures that -// expr is a compile-time constant. (Template arguments must be -// determined at compile-time.) -// -// - The outter parentheses in CompileAssert<(bool(expr))> are necessary -// to work around a bug in gcc 3.4.4 and 4.0.1. If we had written -// -// CompileAssert<bool(expr)> -// -// instead, these compilers will refuse to compile -// -// GTEST_COMPILE_ASSERT_(5 > 0, some_message); -// -// (They seem to think the ">" in "5 > 0" marks the end of the -// template argument list.) -// -// - The array size is (bool(expr) ? 1 : -1), instead of simply -// -// ((expr) ? 1 : -1). -// -// This is to avoid running into a bug in MS VC 7.1, which -// causes ((0.0) ? 1 : -1) to incorrectly evaluate to 1. - -// StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. -// -// This template is declared, but intentionally undefined. -template <typename T1, typename T2> -struct StaticAssertTypeEqHelper; - -template <typename T> -struct StaticAssertTypeEqHelper<T, T> { - enum { value = true }; -}; +// The second argument to the macro must be a valid C++ identifier. If the +// expression is false, compiler will issue an error containing this identifier. +#define GTEST_COMPILE_ASSERT_(expr, msg) static_assert(expr, #msg) // Evaluates to the number of elements in 'array'. #define GTEST_ARRAY_SIZE_(array) (sizeof(array) / sizeof(array[0])) -#if GTEST_HAS_GLOBAL_STRING -typedef ::string string; -#else -typedef ::std::string string; -#endif // GTEST_HAS_GLOBAL_STRING - -#if GTEST_HAS_GLOBAL_WSTRING -typedef ::wstring wstring; -#elif GTEST_HAS_STD_WSTRING -typedef ::std::wstring wstring; -#endif // GTEST_HAS_GLOBAL_WSTRING - // A helper for suppressing warnings on constant condition. It just // returns 'condition'. GTEST_API_ bool IsTrue(bool condition); -// Defines scoped_ptr. - -// This implementation of scoped_ptr is PARTIAL - it only contains -// enough stuff to satisfy Google Test's need. -template <typename T> -class scoped_ptr { - public: - typedef T element_type; - - explicit scoped_ptr(T* p = NULL) : ptr_(p) {} - ~scoped_ptr() { reset(); } - - T& operator*() const { return *ptr_; } - T* operator->() const { return ptr_; } - T* get() const { return ptr_; } - - T* release() { - T* const ptr = ptr_; - ptr_ = NULL; - return ptr; - } - - void reset(T* p = NULL) { - if (p != ptr_) { - if (IsTrue(sizeof(T) > 0)) { // Makes sure T is a complete type. - delete ptr_; - } - ptr_ = p; - } - } - - friend void swap(scoped_ptr& a, scoped_ptr& b) { - using std::swap; - swap(a.ptr_, b.ptr_); - } - - private: - T* ptr_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr); -}; - // Defines RE. +#if GTEST_USES_PCRE +// if used, PCRE is injected by custom/gtest-port.h +#elif GTEST_USES_POSIX_RE || GTEST_USES_SIMPLE_RE + // A simple C++ wrapper for <regex.h>. It uses the POSIX Extended // Regular Expression syntax. class GTEST_API_ RE { @@ -1162,25 +880,16 @@ class GTEST_API_ RE { // Constructs an RE from a string. RE(const ::std::string& regex) { Init(regex.c_str()); } // NOLINT -#if GTEST_HAS_GLOBAL_STRING - - RE(const ::string& regex) { Init(regex.c_str()); } // NOLINT - -#endif // GTEST_HAS_GLOBAL_STRING - RE(const char* regex) { Init(regex); } // NOLINT ~RE(); // Returns the string representation of the regex. const char* pattern() const { return pattern_; } - // FullMatch(str, re) returns true iff regular expression re matches - // the entire str. - // PartialMatch(str, re) returns true iff regular expression re + // FullMatch(str, re) returns true if and only if regular expression re + // matches the entire str. + // PartialMatch(str, re) returns true if and only if regular expression re // matches a substring of str (including str itself). - // - // TODO(wan@google.com): make FullMatch() and PartialMatch() work - // when str contains NUL characters. static bool FullMatch(const ::std::string& str, const RE& re) { return FullMatch(str.c_str(), re); } @@ -1188,43 +897,30 @@ class GTEST_API_ RE { return PartialMatch(str.c_str(), re); } -#if GTEST_HAS_GLOBAL_STRING - - static bool FullMatch(const ::string& str, const RE& re) { - return FullMatch(str.c_str(), re); - } - static bool PartialMatch(const ::string& str, const RE& re) { - return PartialMatch(str.c_str(), re); - } - -#endif // GTEST_HAS_GLOBAL_STRING - static bool FullMatch(const char* str, const RE& re); static bool PartialMatch(const char* str, const RE& re); private: void Init(const char* regex); - - // We use a const char* instead of an std::string, as Google Test used to be - // used where std::string is not available. TODO(wan@google.com): change to - // std::string. const char* pattern_; bool is_valid_; -#if GTEST_USES_POSIX_RE +# if GTEST_USES_POSIX_RE regex_t full_regex_; // For FullMatch(). regex_t partial_regex_; // For PartialMatch(). -#else // GTEST_USES_SIMPLE_RE +# else // GTEST_USES_SIMPLE_RE const char* full_pattern_; // For FullMatch(); -#endif +# endif GTEST_DISALLOW_ASSIGN_(RE); }; +#endif // GTEST_USES_PCRE + // Formats a source file path and a line number as they would appear // in an error message from the compiler used to compile this code. GTEST_API_ ::std::string FormatFileLocation(const char* file, int line); @@ -1273,7 +969,7 @@ class GTEST_API_ GTestLog { __FILE__, __LINE__).GetStream() inline void LogToStderr() {} -inline void FlushInfoLog() { fflush(NULL); } +inline void FlushInfoLog() { fflush(nullptr); } #endif // !defined(GTEST_LOG_) @@ -1310,14 +1006,25 @@ inline void FlushInfoLog() { fflush(NULL); } GTEST_LOG_(FATAL) << #posix_call << "failed with error " \ << gtest_error -#if GTEST_HAS_STD_MOVE_ -using std::move; -#else // GTEST_HAS_STD_MOVE_ +// Transforms "T" into "const T&" according to standard reference collapsing +// rules (this is only needed as a backport for C++98 compilers that do not +// support reference collapsing). Specifically, it transforms: +// +// char ==> const char& +// const char ==> const char& +// char& ==> char& +// const char& ==> const char& +// +// Note that the non-const reference will not have "const" added. This is +// standard, and necessary so that "T" can always bind to "const T&". template <typename T> -const T& move(const T& t) { - return t; -} -#endif // GTEST_HAS_STD_MOVE_ +struct ConstRef { typedef const T& type; }; +template <typename T> +struct ConstRef<T&> { typedef T& type; }; + +// The argument T must depend on some template parameters. +#define GTEST_REFERENCE_TO_CONST_(T) \ + typename ::testing::internal::ConstRef<T>::type // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. // @@ -1372,13 +1079,13 @@ inline To DownCast_(From* f) { // so we only accept pointers GTEST_INTENTIONAL_CONST_COND_PUSH_() if (false) { GTEST_INTENTIONAL_CONST_COND_POP_() - const To to = NULL; - ::testing::internal::ImplicitCast_<From*>(to); + const To to = nullptr; + ::testing::internal::ImplicitCast_<From*>(to); } #if GTEST_HAS_RTTI // RTTI: debug mode only! - GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL); + GTEST_CHECK_(f == nullptr || dynamic_cast<To>(f) != nullptr); #endif return static_cast<To>(f); } @@ -1417,10 +1124,6 @@ GTEST_API_ void CaptureStderr(); GTEST_API_ std::string GetCapturedStderr(); #endif // GTEST_HAS_STREAM_REDIRECTION - -// Returns a path to temporary directory. -GTEST_API_ std::string TempDir(); - // Returns the size (in bytes) of a file. GTEST_API_ size_t GetFileSize(FILE* file); @@ -1428,14 +1131,15 @@ GTEST_API_ size_t GetFileSize(FILE* file); GTEST_API_ std::string ReadEntireFile(FILE* file); // All command line arguments. -GTEST_API_ const ::std::vector<testing::internal::string>& GetArgvs(); +GTEST_API_ std::vector<std::string> GetArgvs(); #if GTEST_HAS_DEATH_TEST -const ::std::vector<testing::internal::string>& GetInjectableArgvs(); -void SetInjectableArgvs(const ::std::vector<testing::internal::string>* - new_argvs); - +std::vector<std::string> GetInjectableArgvs(); +// Deprecated: pass the args vector by value instead. +void SetInjectableArgvs(const std::vector<std::string>* new_argvs); +void SetInjectableArgvs(const std::vector<std::string>& new_argvs); +void ClearInjectableArgvs(); #endif // GTEST_HAS_DEATH_TEST @@ -1450,7 +1154,7 @@ inline void SleepMilliseconds(int n) { 0, // 0 seconds. n * 1000L * 1000L, // And n ms. }; - nanosleep(&time, NULL); + nanosleep(&time, nullptr); } # endif // GTEST_HAS_PTHREAD @@ -1468,7 +1172,7 @@ inline void SleepMilliseconds(int n) { class Notification { public: Notification() : notified_(false) { - GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, NULL)); + GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, nullptr)); } ~Notification() { pthread_mutex_destroy(&mutex_); @@ -1526,7 +1230,8 @@ class GTEST_API_ AutoHandle { void Reset(Handle handle); private: - // Returns true iff the handle is a valid handle object that can be closed. + // Returns true if and only if the handle is a valid handle object that can be + // closed. bool IsCloseable() const; Handle handle_; @@ -1577,7 +1282,7 @@ class ThreadWithParamBase { // pass into pthread_create(). extern "C" inline void* ThreadFuncWithCLinkage(void* thread) { static_cast<ThreadWithParamBase*>(thread)->Run(); - return NULL; + return nullptr; } // Helper class for testing Google Test's multi-threading constructs. @@ -1606,20 +1311,19 @@ class ThreadWithParam : public ThreadWithParamBase { // The thread can be created only after all fields except thread_ // have been initialized. GTEST_CHECK_POSIX_SUCCESS_( - pthread_create(&thread_, 0, &ThreadFuncWithCLinkage, base)); + pthread_create(&thread_, nullptr, &ThreadFuncWithCLinkage, base)); } - ~ThreadWithParam() { Join(); } + ~ThreadWithParam() override { Join(); } void Join() { if (!finished_) { - GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, 0)); + GTEST_CHECK_POSIX_SUCCESS_(pthread_join(thread_, nullptr)); finished_ = true; } } - virtual void Run() { - if (thread_can_start_ != NULL) - thread_can_start_->WaitForNotification(); + void Run() override { + if (thread_can_start_ != nullptr) thread_can_start_->WaitForNotification(); func_(param_); } @@ -1629,7 +1333,8 @@ class ThreadWithParam : public ThreadWithParamBase { // 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. + bool finished_; // true if and only if we know that the thread function has + // finished. pthread_t thread_; // The native thread object. GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam); @@ -1685,7 +1390,7 @@ class GTEST_API_ Mutex { // Initializes owner_thread_id_ and critical_section_ in static mutexes. void ThreadSafeLazyInit(); - // Per http://blogs.msdn.com/b/oldnewthing/archive/2004/02/23/78395.aspx, + // Per https://blogs.msdn.microsoft.com/oldnewthing/20040223-00/?p=40503, // we assume that 0 is an invalid value for thread IDs. unsigned int owner_thread_id_; @@ -1693,7 +1398,7 @@ class GTEST_API_ Mutex { // by the linker. MutexType type_; long critical_section_init_phase_; // NOLINT - _RTL_CRITICAL_SECTION* critical_section_; + GTEST_CRITICAL_SECTION* critical_section_; GTEST_DISALLOW_COPY_AND_ASSIGN_(Mutex); }; @@ -1913,7 +1618,7 @@ class ThreadLocal : public ThreadLocalBase { GTEST_DISALLOW_COPY_AND_ASSIGN_(InstanceValueHolderFactory); }; - scoped_ptr<ValueHolderFactory> default_factory_; + std::unique_ptr<ValueHolderFactory> default_factory_; GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); }; @@ -1969,15 +1674,20 @@ class MutexBase { 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, false, pthread_t() } +// The initialization list here does not explicitly initialize each field, +// instead relying on default initialization for the unspecified fields. In +// particular, the owner_ field (a pthread_t) is not explicitly initialized. +// This allows initialization to work whether pthread_t is a scalar or struct. +// The flag -Wmissing-field-initializers must not be specified for this to work. +#define GTEST_DEFINE_STATIC_MUTEX_(mutex) \ + ::testing::internal::MutexBase mutex = {PTHREAD_MUTEX_INITIALIZER, false, 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)); + GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_init(&mutex_, nullptr)); has_owner_ = false; } ~Mutex() { @@ -2027,7 +1737,7 @@ extern "C" inline void DeleteThreadLocalValue(void* value_holder) { // Implements thread-local storage on pthreads-based systems. template <typename T> -class ThreadLocal { +class GTEST_API_ ThreadLocal { public: ThreadLocal() : key_(CreateKey()), default_factory_(new DefaultValueHolderFactory()) {} @@ -2075,7 +1785,7 @@ class ThreadLocal { T* GetOrCreateValue() const { ThreadLocalValueHolderBase* const holder = static_cast<ThreadLocalValueHolderBase*>(pthread_getspecific(key_)); - if (holder != NULL) { + if (holder != nullptr) { return CheckedDowncastToActualType<ValueHolder>(holder)->pointer(); } @@ -2119,7 +1829,7 @@ class ThreadLocal { // A key pthreads uses for looking up per-thread values. const pthread_key_t key_; - scoped_ptr<ValueHolderFactory> default_factory_; + std::unique_ptr<ValueHolderFactory> default_factory_; GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadLocal); }; @@ -2159,7 +1869,7 @@ class GTestMutexLock { typedef GTestMutexLock MutexLock; template <typename T> -class ThreadLocal { +class GTEST_API_ ThreadLocal { public: ThreadLocal() : value_() {} explicit ThreadLocal(const T& value) : value_(value) {} @@ -2177,58 +1887,8 @@ class ThreadLocal { // we cannot detect it. GTEST_API_ size_t GetThreadCount(); -// Passing non-POD classes through ellipsis (...) crashes the ARM -// compiler and generates a warning in Sun Studio. The Nokia Symbian -// and the IBM XL C/C++ compiler try to instantiate a copy constructor -// for objects passed through ellipsis (...), failing for uncopyable -// objects. We define this to ensure that only POD is passed through -// ellipsis on these systems. -#if defined(__SYMBIAN32__) || defined(__IBMCPP__) || defined(__SUNPRO_CC) -// We lose support for NULL detection where the compiler doesn't like -// passing non-POD classes through ellipsis (...). -# define GTEST_ELLIPSIS_NEEDS_POD_ 1 -#else -# define GTEST_CAN_COMPARE_NULL 1 -#endif - -// The Nokia Symbian and IBM XL C/C++ compilers cannot decide between -// const T& and const T* in a function template. These compilers -// _can_ decide between class template specializations for T and T*, -// so a tr1::type_traits-like is_pointer works. -#if defined(__SYMBIAN32__) || defined(__IBMCPP__) -# define GTEST_NEEDS_IS_POINTER_ 1 -#endif - -template <bool bool_value> -struct bool_constant { - typedef bool_constant<bool_value> type; - static const bool value = bool_value; -}; -template <bool bool_value> const bool bool_constant<bool_value>::value; - -typedef bool_constant<false> false_type; -typedef bool_constant<true> true_type; - -template <typename T> -struct is_pointer : public false_type {}; - -template <typename T> -struct is_pointer<T*> : public true_type {}; - -template <typename Iterator> -struct IteratorTraits { - typedef typename Iterator::value_type value_type; -}; - -template <typename T> -struct IteratorTraits<T*> { - typedef T value_type; -}; - -template <typename T> -struct IteratorTraits<const T*> { - typedef T value_type; -}; +template <bool B> +using bool_constant = std::integral_constant<bool, B>; #if GTEST_OS_WINDOWS # define GTEST_PATH_SEP_ "\\" @@ -2351,7 +2011,7 @@ inline bool IsDir(const StatStruct& st) { return S_ISDIR(st.st_mode); } // Functions deprecated by MSVC 8.0. -GTEST_DISABLE_MSC_WARNINGS_PUSH_(4996 /* deprecated function */) +GTEST_DISABLE_MSC_DEPRECATED_PUSH_() inline const char* StrNCpy(char* dest, const char* src, size_t n) { return strncpy(dest, src, n); @@ -2385,29 +2045,29 @@ 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 || GTEST_OS_WINDOWS_PHONE | GTEST_OS_WINDOWS_RT +#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT // We are on Windows CE, which has no environment variables. static_cast<void>(name); // To prevent 'unused argument' warning. - return NULL; + return nullptr; #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; + return (env != nullptr && env[0] != '\0') ? env : nullptr; #else return getenv(name); #endif } -GTEST_DISABLE_MSC_WARNINGS_POP_() +GTEST_DISABLE_MSC_DEPRECATED_POP_() #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(); +[[noreturn]] void Abort(); #else -inline void Abort() { abort(); } +[[noreturn]] inline void Abort() { abort(); } #endif // GTEST_OS_WINDOWS_MOBILE } // namespace posix @@ -2417,13 +2077,12 @@ inline void Abort() { abort(); } // MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate // function in order to achieve that. We use macro definition here because // snprintf is a variadic function. -#if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE +#if _MSC_VER && !GTEST_OS_WINDOWS_MOBILE // MSVC 2005 and above support variadic macros. # define GTEST_SNPRINTF_(buffer, size, format, ...) \ _snprintf_s(buffer, size, size, format, __VA_ARGS__) #elif defined(_MSC_VER) -// Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't -// complain about _snprintf. +// Windows CE does not define _snprintf_s # define GTEST_SNPRINTF_ _snprintf #else # define GTEST_SNPRINTF_ snprintf @@ -2515,15 +2174,15 @@ typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. # define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name) # define GTEST_DECLARE_int32_(name) \ GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name) -#define GTEST_DECLARE_string_(name) \ +# define GTEST_DECLARE_string_(name) \ GTEST_API_ extern ::std::string GTEST_FLAG(name) // Macros for defining flags. -#define GTEST_DEFINE_bool_(name, default_val, doc) \ +# define GTEST_DEFINE_bool_(name, default_val, doc) \ GTEST_API_ bool GTEST_FLAG(name) = (default_val) -#define GTEST_DEFINE_int32_(name, default_val, doc) \ +# define GTEST_DEFINE_int32_(name, default_val, doc) \ GTEST_API_ ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) -#define GTEST_DEFINE_string_(name, default_val, doc) \ +# define GTEST_DEFINE_string_(name, default_val, doc) \ GTEST_API_ ::std::string GTEST_FLAG(name) = (default_val) #endif // !defined(GTEST_DECLARE_bool_) @@ -2537,18 +2196,36 @@ typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. // Parses 'str' for a 32-bit signed integer. If successful, writes the result // to *value and returns true; otherwise leaves *value unchanged and returns // false. -// TODO(chandlerc): Find a better way to refactor flag and environment parsing -// out of both gtest-port.cc and gtest.cc to avoid exporting this utility -// function. bool ParseInt32(const Message& src_text, const char* str, Int32* value); // Parses a bool/Int32/string from the environment variable // corresponding to the given Google Test flag. bool BoolFromGTestEnv(const char* flag, bool default_val); GTEST_API_ Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); -std::string StringFromGTestEnv(const char* flag, const char* default_val); +std::string OutputFlagAlsoCheckEnvVar(); +const char* StringFromGTestEnv(const char* flag, const char* default_val); } // namespace internal } // namespace testing +#if !defined(GTEST_INTERNAL_DEPRECATED) + +// Internal Macro to mark an API deprecated, for googletest usage only +// Usage: class GTEST_INTERNAL_DEPRECATED(message) MyClass or +// GTEST_INTERNAL_DEPRECATED(message) <return_type> myFunction(); Every usage of +// a deprecated entity will trigger a warning when compiled with +// `-Wdeprecated-declarations` option (clang, gcc, any __GNUC__ compiler). +// For msvc /W3 option will need to be used +// Note that for 'other' compilers this macro evaluates to nothing to prevent +// compilations errors. +#if defined(_MSC_VER) +#define GTEST_INTERNAL_DEPRECATED(message) __declspec(deprecated(message)) +#elif defined(__GNUC__) +#define GTEST_INTERNAL_DEPRECATED(message) __attribute__((deprecated(message))) +#else +#define GTEST_INTERNAL_DEPRECATED(message) +#endif + +#endif // !defined(GTEST_INTERNAL_DEPRECATED) + #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |