diff options
Diffstat (limited to 'googletest/include/gtest/internal/gtest-port.h')
| -rw-r--r-- | googletest/include/gtest/internal/gtest-port.h | 182 |
1 files changed, 15 insertions, 167 deletions
diff --git a/googletest/include/gtest/internal/gtest-port.h b/googletest/include/gtest/internal/gtest-port.h index 0637a23a..a77eb72d 100644 --- a/googletest/include/gtest/internal/gtest-port.h +++ b/googletest/include/gtest/internal/gtest-port.h @@ -92,8 +92,6 @@ // - Define it to 1/0 to indicate whether the // platform supports I/O stream redirection using // dup() and dup2(). -// 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 @@ -132,7 +130,6 @@ // 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 @@ -177,7 +174,6 @@ // define themselves. // GTEST_USES_SIMPLE_RE - our own simple regex is used; // the above RE\b(s) are mutually exclusive. -// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ(). // Misc public macros // ------------------ @@ -208,7 +204,6 @@ // - 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++. // @@ -255,6 +250,7 @@ #include <stdlib.h> #include <string.h> #include <memory> +#include <type_traits> #ifndef _WIN32_WCE # include <sys/types.h> @@ -332,44 +328,6 @@ GTEST_DISABLE_MSC_WARNINGS_POP_() #endif -#define GTEST_LANG_CXX11 1 - -// 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 -# if !defined(_MSC_VER) || (_MSC_FULL_VER >= 190023824) -// works only with VS2015U2 and better -# define GTEST_HAS_STD_FUNCTION_ 1 -# endif -# define GTEST_HAS_STD_INITIALIZER_LIST_ 1 -# define GTEST_HAS_STD_MOVE_ 1 -# define GTEST_HAS_STD_UNIQUE_PTR_ 1 -# define GTEST_HAS_STD_SHARED_PTR_ 1 -# define GTEST_HAS_UNORDERED_MAP_ 1 -# define GTEST_HAS_UNORDERED_SET_ 1 -#endif - // Brings in definitions for functions used in the testing::internal::posix // namespace (read, write, close, chdir, isatty, stat). We do not currently // use them on Windows Mobile. @@ -500,9 +458,6 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; #ifndef GTEST_HAS_STD_WSTRING // The user didn't tell us whether ::std::wstring is available, so we need // to figure it out. -// FIXME: 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). @@ -532,7 +487,7 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; # endif // Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled. -# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302) +# elif defined(__GNUC__) # ifdef __GXX_RTTI // When building against STLport with the Android NDK and with @@ -635,12 +590,11 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; #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. @@ -666,8 +620,7 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; // 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_OS2) + (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 @@ -712,12 +665,6 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; # define GTEST_ATTRIBUTE_UNUSED_ #endif -#if GTEST_LANG_CXX11 -# define GTEST_CXX11_EQUALS_DELETE_ = delete -#else // GTEST_LANG_CXX11 -# define GTEST_CXX11_EQUALS_DELETE_ -#endif // GTEST_LANG_CXX11 - // 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) @@ -739,12 +686,12 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; // 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 &) GTEST_CXX11_EQUALS_DELETE_ + 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 &) GTEST_CXX11_EQUALS_DELETE_; \ + type(type const &) = delete; \ GTEST_DISALLOW_ASSIGN_(type) // Tell the compiler to warn about unused return values for functions declared @@ -752,11 +699,11 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION; // 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 @@ -893,75 +840,16 @@ 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. +// 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) // StaticAssertTypeEqHelper is used by StaticAssertTypeEq defined in gtest.h. // @@ -1036,9 +924,6 @@ class GTEST_API_ RE { // the entire str. // PartialMatch(str, re) returns true iff regular expression re // matches a substring of str (including str itself). - // - // FIXME: 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); } @@ -1062,10 +947,6 @@ class GTEST_API_ 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. FIXME: change to - // std::string. const char* pattern_; bool is_valid_; @@ -2065,29 +1946,6 @@ class GTEST_API_ 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 before 12u4. 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) && __SUNPRO_CC < 0x5130) -// 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; @@ -2104,13 +1962,6 @@ struct is_same : public false_type {}; template <typename T> struct is_same<T, T> : public 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; @@ -2433,9 +2284,6 @@ 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. -// FIXME: 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 |