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Diffstat (limited to 'src/gtest/internal/gtest-port.h')
| -rw-r--r-- | src/gtest/internal/gtest-port.h | 596 |
1 files changed, 0 insertions, 596 deletions
diff --git a/src/gtest/internal/gtest-port.h b/src/gtest/internal/gtest-port.h deleted file mode 100644 index 791dcd27..00000000 --- a/src/gtest/internal/gtest-port.h +++ /dev/null @@ -1,596 +0,0 @@ -// Copyright 2005, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Authors: wan@google.com (Zhanyong Wan) -// -// Low-level types and utilities for porting Google Test to various -// platforms. They are subject to change without notice. DO NOT USE -// THEM IN USER CODE. - -#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ -#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ - -#ifndef GTEST_NOT_MAC_FRAMEWORK_MODE -// Protobuf never uses gTest in "mac framework mode". -#define GTEST_NOT_MAC_FRAMEWORK_MODE -#endif - -// The user can define the following macros in the build script to -// control Google Test's behavior: -// -// 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). Leave -// it undefined to let Google Test define it. -// 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). Leave it -// undefined to let Google Test define it. - -// 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_LINUX - defined iff compiled on Linux. -// GTEST_OS_MAC - defined iff compiled on Mac OS X. -// GTEST_OS_WINDOWS - defined iff compiled on Windows. -// Note that it is possible that none of the GTEST_OS_ macros are defined. -// -// Macros indicating available Google Test features: -// GTEST_HAS_DEATH_TEST - defined iff death tests are supported. -// -// 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_DISALLOW_COPY_AND_ASSIGN() - disables copy ctor and operator=. -// GTEST_MUST_USE_RESULT - declares that a function's result must be used. -// -// Synchronization: -// Mutex, MutexLock, ThreadLocal, GetThreadCount() -// - synchronization primitives. -// -// Template meta programming: -// is_pointer - as in TR1; needed on Symbian only. -// -// Smart pointers: -// scoped_ptr - as in TR2. -// -// Regular expressions: -// RE - a simple regular expression class using the POSIX -// Extended Regular Expression syntax. Not available on -// Windows. -// -// Logging: -// GTEST_LOG() - logs messages at the specified severity level. -// LogToStderr() - directs all log messages to stderr. -// FlushInfoLog() - flushes informational log messages. -// -// Stderr capturing: -// CaptureStderr() - starts capturing stderr. -// GetCapturedStderr() - stops capturing stderr and returns the captured -// string. -// -// Integer types: -// TypeWithSize - maps an integer to a int type. -// Int32, UInt32, Int64, UInt64, TimeInMillis -// - integers of known sizes. -// BiggestInt - the biggest signed integer type. -// -// Command-line utilities: -// GTEST_FLAG() - references a flag. -// GTEST_DECLARE_*() - declares a flag. -// GTEST_DEFINE_*() - defines a flag. -// GetArgvs() - returns the command line as a vector of strings. -// -// Environment variable utilities: -// GetEnv() - gets the value of an environment variable. -// BoolFromGTestEnv() - parses a bool environment variable. -// Int32FromGTestEnv() - parses an Int32 environment variable. -// StringFromGTestEnv() - parses a string environment variable. - -#include <sys/types.h> - -#include <stdlib.h> -#include <stdio.h> - -#define GTEST_NAME "Google Test" -#define GTEST_FLAG_PREFIX "gtest_" -#define GTEST_FLAG_PREFIX_UPPER "GTEST_" - -// Determines the platform on which Google Test is compiled. -#ifdef _MSC_VER -// TODO(kenton): 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. -// Then again, the macro _WIN32 is already a good way to check for the first -// case and _MSC_VER is a good way to check for the latter, so maybe -// GTEST_OS_WINDOWS should be removed? -#define GTEST_OS_WINDOWS -#elif defined __APPLE__ -#define GTEST_OS_MAC -#elif defined __linux__ -#define GTEST_OS_LINUX -#endif // _MSC_VER - -// Determines whether ::std::string and ::string are available. - -#ifndef GTEST_HAS_STD_STRING -// The user didn't tell us whether ::std::string is available, so we -// need to figure it out. - -#ifdef GTEST_OS_WINDOWS -// 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. -#define GTEST_HAS_EXCEPTIONS 0 -#define GTEST_HAS_STD_STRING 1 -#endif // GTEST_OS_WINDOWS - -#endif // 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 - -#if GTEST_HAS_STD_STRING || GTEST_HAS_GLOBAL_STRING -#include <string> // NOLINT -#endif // GTEST_HAS_STD_STRING || GTEST_HAS_GLOBAL_STRING - -#if GTEST_HAS_STD_STRING -#include <sstream> // NOLINT -#else -#include <strstream> // NOLINT -#endif // GTEST_HAS_STD_STRING - -// Determines whether to support death tests. -#if GTEST_HAS_STD_STRING && defined(GTEST_OS_LINUX) -#define GTEST_HAS_DEATH_TEST -// On some platforms, <regex.h> needs someone to define size_t, and -// won't compile if being #included first. Therefore it's important -// that we #include it after <sys/types.h>. -#include <regex.h> -#include <vector> -#include <fcntl.h> -#include <sys/mman.h> -#endif // GTEST_HAS_STD_STRING && defined(GTEST_OS_LINUX) - -// Defines some utility macros. - -// The GNU compiler emits a warning if nested "if" statements are followed by -// an "else" statement and braces are not used to explicitly disambiguate the -// "else" binding. This leads to problems with code like: -// -// if (gate) -// ASSERT_*(condition) << "Some message"; -// -// The "switch (0) case 0:" idiom is used to suppress this. -#ifdef __INTEL_COMPILER -#define GTEST_AMBIGUOUS_ELSE_BLOCKER -#else -#define GTEST_AMBIGUOUS_ELSE_BLOCKER switch (0) case 0: // NOLINT -#endif - -// Use this annotation at the end of a struct / class definition to -// prevent the compiler from optimizing away instances that are never -// used. This is useful when all interesting logic happens inside the -// c'tor and / or d'tor. Example: -// -// struct Foo { -// Foo() { ... } -// } GTEST_ATTRIBUTE_UNUSED; -#ifdef __GNUC__ -#define GTEST_ATTRIBUTE_UNUSED __attribute__ ((unused)) -#else -#define GTEST_ATTRIBUTE_UNUSED -#endif // GTEST_OS_WINDOWS || (GTEST_OS_LINUX && SWIG) - -// A macro to disallow the evil copy constructor and operator= functions -// This should be used in the private: declarations for a class. -#define GTEST_DISALLOW_COPY_AND_ASSIGN(type)\ - type(const type &);\ - void operator=(const type &) - -// Tell the compiler to warn about unused return values for functions declared -// with this macro. The macro should be used on function declarations -// following the argument list: -// -// Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT; -#if defined(__GNUC__) \ - && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) \ - && !defined(COMPILER_ICC) -#define GTEST_MUST_USE_RESULT __attribute__ ((warn_unused_result)) -#else -#define GTEST_MUST_USE_RESULT -#endif // (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) - -namespace testing { - -class Message; - -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 - -// 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: - 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 (sizeof(T) > 0) { // Makes sure T is a complete type. - delete ptr_; - } - ptr_ = p; - } - } - private: - T* ptr_; - - GTEST_DISALLOW_COPY_AND_ASSIGN(scoped_ptr); -}; - -#ifdef GTEST_HAS_DEATH_TEST - -// Defines RE. Currently only needed for death tests. - -// A simple C++ wrapper for <regex.h>. It uses the POSIX Enxtended -// Regular Expression syntax. -class RE { - public: - // 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 -#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_; } - - // Returns true iff str contains regular expression re. - - // TODO(wan): make PartialMatch() work when str contains NUL - // characters. -#if GTEST_HAS_STD_STRING - 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 PartialMatch(const ::string& str, const RE& re) { - return PartialMatch(str.c_str(), re); - } -#endif // GTEST_HAS_GLOBAL_STRING - - static bool PartialMatch(const char* str, const RE& re); - - private: - void Init(const char* regex); - - // We use a const char* instead of a string, as Google Test may be used - // where string is not available. We also do not use Google Test's own - // String type here, in order to simplify dependencies between the - // files. - const char* pattern_; - regex_t regex_; - bool is_valid_; -}; - -#endif // GTEST_HAS_DEATH_TEST - -// Defines logging utilities: -// GTEST_LOG() - logs messages at the specified severity level. -// LogToStderr() - directs all log messages to stderr. -// FlushInfoLog() - flushes informational log messages. - -enum GTestLogSeverity { - GTEST_INFO, - GTEST_WARNING, - GTEST_ERROR, - GTEST_FATAL -}; - -void GTestLog(GTestLogSeverity severity, const char* file, - int line, const char* msg); - -#define GTEST_LOG(severity, msg)\ - ::testing::internal::GTestLog(\ - ::testing::internal::GTEST_##severity, __FILE__, __LINE__, \ - (::testing::Message() << (msg)).GetString().c_str()) - -inline void LogToStderr() {} -inline void FlushInfoLog() { fflush(NULL); } - -// Defines the stderr capturer: -// CaptureStderr - starts capturing stderr. -// GetCapturedStderr - stops capturing stderr and returns the captured string. - -#ifdef GTEST_HAS_DEATH_TEST - -// A copy of all command line arguments. Set by ParseGTestFlags(). -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. - -// A dummy implementation of synchronization primitives (mutex, lock, -// and thread-local variable). Necessary for compiling Google Test where -// mutex is not supported - using Google Test in multiple threads is not -// supported on such platforms. - -class Mutex { - public: - Mutex() {} - 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. -class GTestMutexLock { - public: - explicit GTestMutexLock(Mutex*) {} // NOLINT -}; - -typedef GTestMutexLock MutexLock; - -template <typename T> -class ThreadLocal { - public: - T* pointer() { return &value_; } - const T* pointer() const { return &value_; } - const T& get() const { return value_; } - void set(const T& value) { value_ = value; } - private: - T value_; -}; - -// There's no portable way to detect the number of threads, so we just -// return 0 to indicate that we cannot detect it. -// CHANGED FOR PROTOBUF: The protobuf tests do not use multiple threads, -// so we know there is one thread. -inline size_t GetThreadCount() { return 1; } - -// Defines tr1::is_pointer (only needed for Symbian). - -#if defined(__SYMBIAN32__) || (defined (__DECCXX) && defined(__osf__)) - -// Symbian and HP C++ on Tru64 do not have tr1::type_traits, so we define -// our own is_pointer. These are needed as these compilers cannot decide -// between const T& and const T* in a function template. - -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 {}; - -#endif // __SYMBIAN32__ - -// Defines BiggestInt as the biggest signed integer type the compiler -// supports. - -#ifdef GTEST_OS_WINDOWS -typedef __int64 BiggestInt; -#else -typedef long long BiggestInt; // NOLINT -#endif // GTEST_OS_WINDOWS - -// The maximum number a BiggestInt can represent. This definition -// works no matter BiggestInt is represented in one's complement or -// two's complement. -// -// We cannot rely on numeric_limits in STL, as __int64 and long long -// are not part of standard C++ and numeric_limits doesn't need to be -// defined for them. -const BiggestInt kMaxBiggestInt = - ~(static_cast<BiggestInt>(1) << (8*sizeof(BiggestInt) - 1)); - -// This template class serves as a compile-time function from size to -// type. It maps a size in bytes to a primitive type with that -// size. e.g. -// -// TypeWithSize<4>::UInt -// -// is typedef-ed to be unsigned int (unsigned integer made up of 4 -// bytes). -// -// Such functionality should belong to STL, but I cannot find it -// there. -// -// Google Test uses this class in the implementation of floating-point -// comparison. -// -// For now it only handles UInt (unsigned int) as that's all Google Test -// needs. Other types can be easily added in the future if need -// arises. -template <size_t size> -class TypeWithSize { - public: - // This prevents the user from using TypeWithSize<N> with incorrect - // values of N. - typedef void UInt; -}; - -// The specialization for size 4. -template <> -class TypeWithSize<4> { - public: - // unsigned int has size 4 in both gcc and MSVC. - // - // As base/basictypes.h doesn't compile on Windows, we cannot use - // uint32, uint64, and etc here. - typedef int Int; - typedef unsigned int UInt; -}; - -// The specialization for size 8. -template <> -class TypeWithSize<8> { - public: -#ifdef GTEST_OS_WINDOWS - typedef __int64 Int; - typedef unsigned __int64 UInt; -#else - typedef long long Int; // NOLINT - typedef unsigned long long UInt; // NOLINT -#endif // GTEST_OS_WINDOWS -}; - -// Integer types of known sizes. -typedef TypeWithSize<4>::Int Int32; -typedef TypeWithSize<4>::UInt UInt32; -typedef TypeWithSize<8>::Int Int64; -typedef TypeWithSize<8>::UInt UInt64; -typedef TypeWithSize<8>::Int TimeInMillis; // Represents time in milliseconds. - -// Utilities for command line flags and environment variables. - -// 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 -} - -// 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_int32(name) \ - extern ::testing::internal::Int32 GTEST_FLAG(name) -#define GTEST_DECLARE_string(name) \ - 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) -#define GTEST_DEFINE_int32(name, default_val, doc) \ - ::testing::internal::Int32 GTEST_FLAG(name) = (default_val) -#define GTEST_DEFINE_string(name, default_val, doc) \ - ::testing::internal::String GTEST_FLAG(name) = (default_val) - -// Parses 'str' for a 32-bit signed integer. If successful, writes the result -// to *value and returns true; otherwise leaves *value unchanged and returns -// false. -// TODO(chandlerc): Find a better way to refactor flag and environment parsing -// out of both gtest-port.cc and gtest.cc to avoid exporting this utility -// function. -bool ParseInt32(const Message& src_text, const char* str, Int32* value); - -// Parses a bool/Int32/string from the environment variable -// corresponding to the given Google Test flag. -bool BoolFromGTestEnv(const char* flag, bool default_val); -Int32 Int32FromGTestEnv(const char* flag, Int32 default_val); -const char* StringFromGTestEnv(const char* flag, const char* default_val); - -} // namespace internal -} // namespace testing - -#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_ |