forked from etc/pineapple-src
1776 lines
61 KiB
C
1776 lines
61 KiB
C
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// Copyright 2005, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Authors: wan@google.com (Zhanyong Wan)
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//
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// Low-level types and utilities for porting Google Test to various
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// platforms. They are subject to change without notice. DO NOT USE
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// THEM IN USER CODE.
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#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
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#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
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// The user can define the following macros in the build script to
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// control Google Test's behavior. If the user doesn't define a macro
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// in this list, Google Test will define it.
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//
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// GTEST_HAS_CLONE - Define it to 1/0 to indicate that clone(2)
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// is/isn't available.
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// GTEST_HAS_EXCEPTIONS - Define it to 1/0 to indicate that exceptions
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// are enabled.
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// GTEST_HAS_GLOBAL_STRING - Define it to 1/0 to indicate that ::string
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// is/isn't available (some systems define
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// ::string, which is different to std::string).
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// GTEST_HAS_GLOBAL_WSTRING - Define it to 1/0 to indicate that ::string
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// is/isn't available (some systems define
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// ::wstring, which is different to std::wstring).
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// GTEST_HAS_POSIX_RE - Define it to 1/0 to indicate that POSIX regular
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// expressions are/aren't available.
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// GTEST_HAS_PTHREAD - Define it to 1/0 to indicate that <pthread.h>
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// is/isn't available.
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// GTEST_HAS_RTTI - Define it to 1/0 to indicate that RTTI is/isn't
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// enabled.
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// GTEST_HAS_STD_WSTRING - Define it to 1/0 to indicate that
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// std::wstring does/doesn't work (Google Test can
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// be used where std::wstring is unavailable).
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// GTEST_HAS_TR1_TUPLE - Define it to 1/0 to indicate tr1::tuple
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// is/isn't available.
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// GTEST_HAS_SEH - Define it to 1/0 to indicate whether the
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// compiler supports Microsoft's "Structured
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// Exception Handling".
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// GTEST_HAS_STREAM_REDIRECTION
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// - Define it to 1/0 to indicate whether the
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// platform supports I/O stream redirection using
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// dup() and dup2().
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// GTEST_USE_OWN_TR1_TUPLE - Define it to 1/0 to indicate whether Google
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// Test's own tr1 tuple implementation should be
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// used. Unused when the user sets
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// GTEST_HAS_TR1_TUPLE to 0.
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// GTEST_LINKED_AS_SHARED_LIBRARY
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// - Define to 1 when compiling tests that use
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// Google Test as a shared library (known as
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// DLL on Windows).
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// GTEST_CREATE_SHARED_LIBRARY
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// - Define to 1 when compiling Google Test itself
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// as a shared library.
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// This header defines the following utilities:
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//
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// Macros indicating the current platform (defined to 1 if compiled on
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// the given platform; otherwise undefined):
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// GTEST_OS_AIX - IBM AIX
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// GTEST_OS_CYGWIN - Cygwin
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// GTEST_OS_HPUX - HP-UX
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// GTEST_OS_LINUX - Linux
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// GTEST_OS_LINUX_ANDROID - Google Android
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// GTEST_OS_MAC - Mac OS X
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// GTEST_OS_NACL - Google Native Client (NaCl)
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// GTEST_OS_SOLARIS - Sun Solaris
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// GTEST_OS_SYMBIAN - Symbian
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// GTEST_OS_WINDOWS - Windows (Desktop, MinGW, or Mobile)
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// GTEST_OS_WINDOWS_DESKTOP - Windows Desktop
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// GTEST_OS_WINDOWS_MINGW - MinGW
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// GTEST_OS_WINDOWS_MOBILE - Windows Mobile
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// GTEST_OS_ZOS - z/OS
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//
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// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the
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// most stable support. Since core members of the Google Test project
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// don't have access to other platforms, support for them may be less
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// stable. If you notice any problems on your platform, please notify
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// googletestframework@googlegroups.com (patches for fixing them are
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// even more welcome!).
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//
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// Note that it is possible that none of the GTEST_OS_* macros are defined.
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//
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// Macros indicating available Google Test features (defined to 1 if
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// the corresponding feature is supported; otherwise undefined):
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// GTEST_HAS_COMBINE - the Combine() function (for value-parameterized
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// tests)
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// GTEST_HAS_DEATH_TEST - death tests
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// GTEST_HAS_PARAM_TEST - value-parameterized tests
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// GTEST_HAS_TYPED_TEST - typed tests
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// GTEST_HAS_TYPED_TEST_P - type-parameterized tests
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// GTEST_USES_POSIX_RE - enhanced POSIX regex is used. Do not confuse with
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// GTEST_HAS_POSIX_RE (see above) which users can
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// define themselves.
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// GTEST_USES_SIMPLE_RE - our own simple regex is used;
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// the above two are mutually exclusive.
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// GTEST_CAN_COMPARE_NULL - accepts untyped NULL in EXPECT_EQ().
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//
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// Macros for basic C++ coding:
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// GTEST_AMBIGUOUS_ELSE_BLOCKER_ - for disabling a gcc warning.
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// GTEST_ATTRIBUTE_UNUSED_ - declares that a class' instances or a
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// variable don't have to be used.
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// GTEST_DISALLOW_ASSIGN_ - disables operator=.
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// GTEST_DISALLOW_COPY_AND_ASSIGN_ - disables copy ctor and operator=.
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// GTEST_MUST_USE_RESULT_ - declares that a function's result must be used.
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//
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// Synchronization:
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// Mutex, MutexLock, ThreadLocal, GetThreadCount()
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// - synchronization primitives.
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// GTEST_IS_THREADSAFE - defined to 1 to indicate that the above
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// synchronization primitives have real implementations
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// and Google Test is thread-safe; or 0 otherwise.
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//
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// Template meta programming:
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// is_pointer - as in TR1; needed on Symbian and IBM XL C/C++ only.
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// IteratorTraits - partial implementation of std::iterator_traits, which
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// is not available in libCstd when compiled with Sun C++.
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//
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// Smart pointers:
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// scoped_ptr - as in TR2.
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//
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// Regular expressions:
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// RE - a simple regular expression class using the POSIX
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// Extended Regular Expression syntax on UNIX-like
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// platforms, or a reduced regular exception syntax on
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// other platforms, including Windows.
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//
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// Logging:
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// GTEST_LOG_() - logs messages at the specified severity level.
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// LogToStderr() - directs all log messages to stderr.
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// FlushInfoLog() - flushes informational log messages.
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//
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// Stdout and stderr capturing:
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// CaptureStdout() - starts capturing stdout.
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// GetCapturedStdout() - stops capturing stdout and returns the captured
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// string.
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// CaptureStderr() - starts capturing stderr.
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// GetCapturedStderr() - stops capturing stderr and returns the captured
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// string.
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//
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// Integer types:
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// TypeWithSize - maps an integer to a int type.
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// Int32, UInt32, Int64, UInt64, TimeInMillis
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// - integers of known sizes.
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// BiggestInt - the biggest signed integer type.
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//
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// Command-line utilities:
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// GTEST_FLAG() - references a flag.
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// GTEST_DECLARE_*() - declares a flag.
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// GTEST_DEFINE_*() - defines a flag.
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// GetArgvs() - returns the command line as a vector of strings.
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//
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// Environment variable utilities:
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// GetEnv() - gets the value of an environment variable.
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// BoolFromGTestEnv() - parses a bool environment variable.
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// Int32FromGTestEnv() - parses an Int32 environment variable.
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// StringFromGTestEnv() - parses a string environment variable.
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#include <ctype.h> // for isspace, etc
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#include <stddef.h> // for ptrdiff_t
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifndef _WIN32_WCE
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# include <sys/types.h>
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# include <sys/stat.h>
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#endif // !_WIN32_WCE
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#include <iostream> // NOLINT
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#include <sstream> // NOLINT
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#include <string> // NOLINT
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#define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com"
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#define GTEST_FLAG_PREFIX_ "gtest_"
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#define GTEST_FLAG_PREFIX_DASH_ "gtest-"
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#define GTEST_FLAG_PREFIX_UPPER_ "GTEST_"
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#define GTEST_NAME_ "Google Test"
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#define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/"
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// Determines the version of gcc that is used to compile this.
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#ifdef __GNUC__
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// 40302 means version 4.3.2.
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# define GTEST_GCC_VER_ \
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(__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__)
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#endif // __GNUC__
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// Determines the platform on which Google Test is compiled.
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#ifdef __CYGWIN__
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# define GTEST_OS_CYGWIN 1
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#elif defined __SYMBIAN32__
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# define GTEST_OS_SYMBIAN 1
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#elif defined _WIN32
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# define GTEST_OS_WINDOWS 1
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# ifdef _WIN32_WCE
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# define GTEST_OS_WINDOWS_MOBILE 1
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# elif defined(__MINGW__) || defined(__MINGW32__)
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# define GTEST_OS_WINDOWS_MINGW 1
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# else
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# define GTEST_OS_WINDOWS_DESKTOP 1
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# endif // _WIN32_WCE
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#elif defined __APPLE__
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# define GTEST_OS_MAC 1
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#elif defined __linux__
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# define GTEST_OS_LINUX 1
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# ifdef ANDROID
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# define GTEST_OS_LINUX_ANDROID 1
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# endif // ANDROID
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#elif defined __MVS__
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# define GTEST_OS_ZOS 1
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#elif defined(__sun) && defined(__SVR4)
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# define GTEST_OS_SOLARIS 1
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#elif defined(_AIX)
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# define GTEST_OS_AIX 1
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#elif defined(__hpux)
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# define GTEST_OS_HPUX 1
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#elif defined __native_client__
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# define GTEST_OS_NACL 1
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#endif // __CYGWIN__
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// Brings in definitions for functions used in the testing::internal::posix
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// namespace (read, write, close, chdir, isatty, stat). We do not currently
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// use them on Windows Mobile.
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#if !GTEST_OS_WINDOWS
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// This assumes that non-Windows OSes provide unistd.h. For OSes where this
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// is not the case, we need to include headers that provide the functions
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// mentioned above.
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# include <unistd.h>
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# if !GTEST_OS_NACL
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// TODO(vladl@google.com): Remove this condition when Native Client SDK adds
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// strings.h (tracked in
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// http://code.google.com/p/nativeclient/issues/detail?id=1175).
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# include <strings.h> // Native Client doesn't provide strings.h.
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# endif
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#elif !GTEST_OS_WINDOWS_MOBILE
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# include <direct.h>
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# include <io.h>
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#endif
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// Defines this to true iff Google Test can use POSIX regular expressions.
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#ifndef GTEST_HAS_POSIX_RE
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# define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS)
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#endif
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#if GTEST_HAS_POSIX_RE
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// On some platforms, <regex.h> needs someone to define size_t, and
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// won't compile otherwise. We can #include it here as we already
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// included <stdlib.h>, which is guaranteed to define size_t through
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// <stddef.h>.
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# include <regex.h> // NOLINT
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# define GTEST_USES_POSIX_RE 1
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#elif GTEST_OS_WINDOWS
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// <regex.h> is not available on Windows. Use our own simple regex
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// implementation instead.
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# define GTEST_USES_SIMPLE_RE 1
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#else
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// <regex.h> may not be available on this platform. Use our own
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// simple regex implementation instead.
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# define GTEST_USES_SIMPLE_RE 1
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#endif // GTEST_HAS_POSIX_RE
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#ifndef GTEST_HAS_EXCEPTIONS
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// The user didn't tell us whether exceptions are enabled, so we need
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// to figure it out.
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# if defined(_MSC_VER) || defined(__BORLANDC__)
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// MSVC's and C++Builder's implementations of the STL use the _HAS_EXCEPTIONS
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// macro to enable exceptions, so we'll do the same.
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// Assumes that exceptions are enabled by default.
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# ifndef _HAS_EXCEPTIONS
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# define _HAS_EXCEPTIONS 1
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# endif // _HAS_EXCEPTIONS
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# define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
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# elif defined(__GNUC__) && __EXCEPTIONS
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// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled.
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# define GTEST_HAS_EXCEPTIONS 1
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# elif defined(__SUNPRO_CC)
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// Sun Pro CC supports exceptions. However, there is no compile-time way of
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// detecting whether they are enabled or not. Therefore, we assume that
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// they are enabled unless the user tells us otherwise.
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# define GTEST_HAS_EXCEPTIONS 1
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# elif defined(__IBMCPP__) && __EXCEPTIONS
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// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled.
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# define GTEST_HAS_EXCEPTIONS 1
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# elif defined(__HP_aCC)
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// Exception handling is in effect by default in HP aCC compiler. It has to
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// be turned of by +noeh compiler option if desired.
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# define GTEST_HAS_EXCEPTIONS 1
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# else
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// For other compilers, we assume exceptions are disabled to be
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// conservative.
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# define GTEST_HAS_EXCEPTIONS 0
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# endif // defined(_MSC_VER) || defined(__BORLANDC__)
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#endif // GTEST_HAS_EXCEPTIONS
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#if !defined(GTEST_HAS_STD_STRING)
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// Even though we don't use this macro any longer, we keep it in case
|
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// some clients still depend on it.
|
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# define GTEST_HAS_STD_STRING 1
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#elif !GTEST_HAS_STD_STRING
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// The user told us that ::std::string isn't available.
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# error "Google Test cannot be used where ::std::string isn't available."
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#endif // !defined(GTEST_HAS_STD_STRING)
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#ifndef GTEST_HAS_GLOBAL_STRING
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// The user didn't tell us whether ::string is available, so we need
|
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// to figure it out.
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# define GTEST_HAS_GLOBAL_STRING 0
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#endif // GTEST_HAS_GLOBAL_STRING
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#ifndef GTEST_HAS_STD_WSTRING
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// The user didn't tell us whether ::std::wstring is available, so we need
|
||
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// to figure it out.
|
||
|
// TODO(wan@google.com): uses autoconf to detect whether ::std::wstring
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||
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// is available.
|
||
|
|
||
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// Cygwin 1.7 and below doesn't support ::std::wstring.
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||
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// Solaris' libc++ doesn't support it either. Android has
|
||
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// no support for it at least as recent as Froyo (2.2).
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# define GTEST_HAS_STD_WSTRING \
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(!(GTEST_OS_LINUX_ANDROID || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS))
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#endif // GTEST_HAS_STD_WSTRING
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||
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#ifndef GTEST_HAS_GLOBAL_WSTRING
|
||
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// The user didn't tell us whether ::wstring is available, so we need
|
||
|
// to figure it out.
|
||
|
# define GTEST_HAS_GLOBAL_WSTRING \
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(GTEST_HAS_STD_WSTRING && GTEST_HAS_GLOBAL_STRING)
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||
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#endif // GTEST_HAS_GLOBAL_WSTRING
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||
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|
||
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// Determines whether RTTI is available.
|
||
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#ifndef GTEST_HAS_RTTI
|
||
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// The user didn't tell us whether RTTI is enabled, so we need to
|
||
|
// figure it out.
|
||
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|
||
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# ifdef _MSC_VER
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||
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|
||
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# ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled.
|
||
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# define GTEST_HAS_RTTI 1
|
||
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# else
|
||
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# define GTEST_HAS_RTTI 0
|
||
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# endif
|
||
|
|
||
|
// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled.
|
||
|
# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302)
|
||
|
|
||
|
# ifdef __GXX_RTTI
|
||
|
# define GTEST_HAS_RTTI 1
|
||
|
# else
|
||
|
# define GTEST_HAS_RTTI 0
|
||
|
# endif // __GXX_RTTI
|
||
|
|
||
|
// Starting with version 9.0 IBM Visual Age defines __RTTI_ALL__ to 1 if
|
||
|
// both the typeid and dynamic_cast features are present.
|
||
|
# elif defined(__IBMCPP__) && (__IBMCPP__ >= 900)
|
||
|
|
||
|
# ifdef __RTTI_ALL__
|
||
|
# define GTEST_HAS_RTTI 1
|
||
|
# else
|
||
|
# define GTEST_HAS_RTTI 0
|
||
|
# endif
|
||
|
|
||
|
# else
|
||
|
|
||
|
// For all other compilers, we assume RTTI is enabled.
|
||
|
# define GTEST_HAS_RTTI 1
|
||
|
|
||
|
# endif // _MSC_VER
|
||
|
|
||
|
#endif // GTEST_HAS_RTTI
|
||
|
|
||
|
// It's this header's responsibility to #include <typeinfo> when RTTI
|
||
|
// is enabled.
|
||
|
#if GTEST_HAS_RTTI
|
||
|
# include <typeinfo>
|
||
|
#endif
|
||
|
|
||
|
// Determines whether Google Test can use the pthreads library.
|
||
|
#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 || GTEST_OS_HPUX)
|
||
|
#endif // GTEST_HAS_PTHREAD
|
||
|
|
||
|
#if GTEST_HAS_PTHREAD
|
||
|
// gtest-port.h guarantees to #include <pthread.h> when GTEST_HAS_PTHREAD is
|
||
|
// true.
|
||
|
# include <pthread.h> // NOLINT
|
||
|
|
||
|
// For timespec and nanosleep, used below.
|
||
|
# include <time.h> // NOLINT
|
||
|
#endif
|
||
|
|
||
|
// 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.
|
||
|
|
||
|
// 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_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 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
|
||
|
# 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> // 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.
|
||
|
// Also see http://linux.die.net/man/2/clone.
|
||
|
#ifndef GTEST_HAS_CLONE
|
||
|
// The user didn't tell us, so we need to figure it out.
|
||
|
|
||
|
# if GTEST_OS_LINUX && !defined(__ia64__)
|
||
|
# define GTEST_HAS_CLONE 1
|
||
|
# else
|
||
|
# define GTEST_HAS_CLONE 0
|
||
|
# endif // GTEST_OS_LINUX && !defined(__ia64__)
|
||
|
|
||
|
#endif // GTEST_HAS_CLONE
|
||
|
|
||
|
// Determines whether to support stream redirection. This is used to test
|
||
|
// output correctness and to implement death tests.
|
||
|
#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
|
||
|
# define GTEST_HAS_STREAM_REDIRECTION 0
|
||
|
# else
|
||
|
# define GTEST_HAS_STREAM_REDIRECTION 1
|
||
|
# endif // !GTEST_OS_WINDOWS_MOBILE && !GTEST_OS_SYMBIAN
|
||
|
#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_MAC || GTEST_OS_CYGWIN || GTEST_OS_SOLARIS || \
|
||
|
(GTEST_OS_WINDOWS_DESKTOP && _MSC_VER >= 1400) || \
|
||
|
GTEST_OS_WINDOWS_MINGW || GTEST_OS_AIX || GTEST_OS_HPUX)
|
||
|
# define GTEST_HAS_DEATH_TEST 1
|
||
|
# include <vector> // NOLINT
|
||
|
#endif
|
||
|
|
||
|
// We don't support MSVC 7.1 with exceptions disabled now. Therefore
|
||
|
// all the compilers we care about are adequate for supporting
|
||
|
// value-parameterized tests.
|
||
|
#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) || \
|
||
|
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)
|
||
|
|
||
|
// Determines whether test results can be streamed to a socket.
|
||
|
#if GTEST_OS_LINUX
|
||
|
# define GTEST_CAN_STREAM_RESULTS_ 1
|
||
|
#endif
|
||
|
|
||
|
// 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: default: // 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_;
|
||
|
//
|
||
|
// 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 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(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
|
||
|
// following the argument list:
|
||
|
//
|
||
|
// Sprocket* AllocateSprocket() GTEST_MUST_USE_RESULT_;
|
||
|
#if defined(__GNUC__) && (GTEST_GCC_VER_ >= 30400) && !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
|
||
|
|
||
|
// 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
|
||
|
|
||
|
#ifdef __GNUC__
|
||
|
// Ask the compiler to never inline a given function.
|
||
|
# define GTEST_NO_INLINE_ __attribute__((noinline))
|
||
|
#else
|
||
|
# define GTEST_NO_INLINE_
|
||
|
#endif
|
||
|
|
||
|
namespace testing {
|
||
|
|
||
|
class Message;
|
||
|
|
||
|
namespace internal {
|
||
|
|
||
|
class String;
|
||
|
|
||
|
// 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:
|
||
|
//
|
||
|
// GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES,
|
||
|
// content_type_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.
|
||
|
|
||
|
template <bool>
|
||
|
struct CompileAssert {
|
||
|
};
|
||
|
|
||
|
#define GTEST_COMPILE_ASSERT_(expr, msg) \
|
||
|
typedef ::testing::internal::CompileAssert<(bool(expr))> \
|
||
|
msg[bool(expr) ? 1 : -1]
|
||
|
|
||
|
// Implementation details of GTEST_COMPILE_ASSERT_:
|
||
|
//
|
||
|
// - 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> {};
|
||
|
|
||
|
#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;
|
||
|
}
|
||
|
}
|
||
|
private:
|
||
|
T* ptr_;
|
||
|
|
||
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(scoped_ptr);
|
||
|
};
|
||
|
|
||
|
// Defines RE.
|
||
|
|
||
|
// A simple C++ wrapper for <regex.h>. It uses the POSIX Extended
|
||
|
// Regular Expression syntax.
|
||
|
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.
|
||
|
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
|
||
|
// 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);
|
||
|
}
|
||
|
static bool PartialMatch(const ::std::string& str, const RE& 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 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_;
|
||
|
bool is_valid_;
|
||
|
|
||
|
#if GTEST_USES_POSIX_RE
|
||
|
|
||
|
regex_t full_regex_; // For FullMatch().
|
||
|
regex_t partial_regex_; // For PartialMatch().
|
||
|
|
||
|
#else // GTEST_USES_SIMPLE_RE
|
||
|
|
||
|
const char* full_pattern_; // For FullMatch();
|
||
|
|
||
|
#endif
|
||
|
|
||
|
GTEST_DISALLOW_ASSIGN_(RE);
|
||
|
};
|
||
|
|
||
|
// 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);
|
||
|
|
||
|
// Formats a file location for compiler-independent XML output.
|
||
|
// Although this function is not platform dependent, we put it next to
|
||
|
// FormatFileLocation in order to contrast the two functions.
|
||
|
GTEST_API_ ::std::string FormatCompilerIndependentFileLocation(const char* file,
|
||
|
int line);
|
||
|
|
||
|
// Defines logging utilities:
|
||
|
// 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.
|
||
|
|
||
|
enum GTestLogSeverity {
|
||
|
GTEST_INFO,
|
||
|
GTEST_WARNING,
|
||
|
GTEST_ERROR,
|
||
|
GTEST_FATAL
|
||
|
};
|
||
|
|
||
|
// 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();
|
||
|
|
||
|
::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.
|
||
|
//
|
||
|
// Use ImplicitCast_ as a safe version of static_cast for upcasting in
|
||
|
// the type hierarchy (e.g. casting a Foo* to a SuperclassOfFoo* or a
|
||
|
// const Foo*). When you use ImplicitCast_, the compiler checks that
|
||
|
// the cast is safe. Such explicit ImplicitCast_s are necessary in
|
||
|
// surprisingly many situations where C++ demands an exact type match
|
||
|
// instead of an argument type convertable to a target type.
|
||
|
//
|
||
|
// The syntax for using ImplicitCast_ is the same as for static_cast:
|
||
|
//
|
||
|
// ImplicitCast_<ToType>(expr)
|
||
|
//
|
||
|
// ImplicitCast_ would have been part of the C++ standard library,
|
||
|
// but the proposal was submitted too late. It will probably make
|
||
|
// its way into the language in the future.
|
||
|
//
|
||
|
// This relatively ugly name is intentional. It prevents clashes with
|
||
|
// similar functions users may have (e.g., implicit_cast). The internal
|
||
|
// namespace alone is not enough because the function can be found by ADL.
|
||
|
template<typename To>
|
||
|
inline To ImplicitCast_(To x) { return x; }
|
||
|
|
||
|
// When you upcast (that is, cast a pointer from type Foo to type
|
||
|
// SuperclassOfFoo), it's fine to use ImplicitCast_<>, since upcasts
|
||
|
// always succeed. When you downcast (that is, cast a pointer from
|
||
|
// type Foo to type SubclassOfFoo), static_cast<> isn't safe, because
|
||
|
// how do you know the pointer is really of type SubclassOfFoo? It
|
||
|
// could be a bare Foo, or of type DifferentSubclassOfFoo. Thus,
|
||
|
// when you downcast, you should use this macro. In debug mode, we
|
||
|
// use dynamic_cast<> to double-check the downcast is legal (we die
|
||
|
// if it's not). In normal mode, we do the efficient static_cast<>
|
||
|
// instead. Thus, it's important to test in debug mode to make sure
|
||
|
// the cast is legal!
|
||
|
// This is the only place in the code we should use dynamic_cast<>.
|
||
|
// In particular, you SHOULDN'T be using dynamic_cast<> in order to
|
||
|
// do RTTI (eg code like this:
|
||
|
// if (dynamic_cast<Subclass1>(foo)) HandleASubclass1Object(foo);
|
||
|
// if (dynamic_cast<Subclass2>(foo)) HandleASubclass2Object(foo);
|
||
|
// You should design the code some other way not to need this.
|
||
|
//
|
||
|
// This relatively ugly name is intentional. It prevents clashes with
|
||
|
// similar functions users may have (e.g., down_cast). The internal
|
||
|
// namespace alone is not enough because the function can be found by ADL.
|
||
|
template<typename To, typename From> // use like this: DownCast_<T*>(foo);
|
||
|
inline To DownCast_(From* f) { // so we only accept pointers
|
||
|
// Ensures that To is a sub-type of From *. This test is here only
|
||
|
// for compile-time type checking, and has no overhead in an
|
||
|
// optimized build at run-time, as it will be optimized away
|
||
|
// completely.
|
||
|
if (false) {
|
||
|
const To to = NULL;
|
||
|
::testing::internal::ImplicitCast_<From*>(to);
|
||
|
}
|
||
|
|
||
|
#if GTEST_HAS_RTTI
|
||
|
// RTTI: debug mode only!
|
||
|
GTEST_CHECK_(f == NULL || dynamic_cast<To>(f) != NULL);
|
||
|
#endif
|
||
|
return static_cast<To>(f);
|
||
|
}
|
||
|
|
||
|
// 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
|
||
|
|
||
|
|
||
|
#if GTEST_HAS_DEATH_TEST
|
||
|
|
||
|
// A copy of all command line arguments. Set by InitGoogleTest().
|
||
|
extern ::std::vector<String> g_argvs;
|
||
|
|
||
|
// GTEST_HAS_DEATH_TEST implies we have ::std::string.
|
||
|
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);
|
||
|
};
|
||
|
|
||
|
// 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
|
||
|
// supported on such platforms.
|
||
|
|
||
|
class Mutex {
|
||
|
public:
|
||
|
Mutex() {}
|
||
|
void AssertHeld() const {}
|
||
|
};
|
||
|
|
||
|
# 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
|
||
|
};
|
||
|
|
||
|
typedef GTestMutexLock MutexLock;
|
||
|
|
||
|
template <typename T>
|
||
|
class ThreadLocal {
|
||
|
public:
|
||
|
ThreadLocal() : value_() {}
|
||
|
explicit ThreadLocal(const T& value) : value_(value) {}
|
||
|
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_;
|
||
|
};
|
||
|
|
||
|
// The above synchronization primitives have dummy implementations.
|
||
|
// Therefore Google Test is not thread-safe.
|
||
|
# define GTEST_IS_THREADSAFE 0
|
||
|
|
||
|
#endif // GTEST_HAS_PTHREAD
|
||
|
|
||
|
// Returns the number of threads running in the process, or 0 to indicate that
|
||
|
// we cannot detect it.
|
||
|
GTEST_API_ size_t GetThreadCount();
|
||
|
|
||
|
// 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;
|
||
|
};
|
||
|
|
||
|
#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
|
||
|
|
||
|
// Utilities for char.
|
||
|
|
||
|
// isspace(int ch) and friends accept an unsigned char or EOF. char
|
||
|
// may be signed, depending on the compiler (or compiler flags).
|
||
|
// Therefore we need to cast a char to unsigned char before calling
|
||
|
// isspace(), etc.
|
||
|
|
||
|
inline bool IsAlpha(char ch) {
|
||
|
return isalpha(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsAlNum(char ch) {
|
||
|
return isalnum(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsDigit(char ch) {
|
||
|
return isdigit(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsLower(char ch) {
|
||
|
return islower(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsSpace(char ch) {
|
||
|
return isspace(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsUpper(char ch) {
|
||
|
return isupper(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
inline bool IsXDigit(char ch) {
|
||
|
return isxdigit(static_cast<unsigned char>(ch)) != 0;
|
||
|
}
|
||
|
|
||
|
inline char ToLower(char ch) {
|
||
|
return static_cast<char>(tolower(static_cast<unsigned char>(ch)));
|
||
|
}
|
||
|
inline char ToUpper(char ch) {
|
||
|
return static_cast<char>(toupper(static_cast<unsigned char>(ch)));
|
||
|
}
|
||
|
|
||
|
// 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.
|
||
|
//
|
||
|
// 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:
|
||
|
|
||
|
#if 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.
|
||
|
|
||
|
// Macro for referencing flags.
|
||
|
#define GTEST_FLAG(name) FLAGS_gtest_##name
|
||
|
|
||
|
// Macros for declaring flags.
|
||
|
#define GTEST_DECLARE_bool_(name) GTEST_API_ extern bool GTEST_FLAG(name)
|
||
|
#define GTEST_DECLARE_int32_(name) \
|
||
|
GTEST_API_ extern ::testing::internal::Int32 GTEST_FLAG(name)
|
||
|
#define GTEST_DECLARE_string_(name) \
|
||
|
GTEST_API_ extern ::testing::internal::String GTEST_FLAG(name)
|
||
|
|
||
|
// Macros for defining flags.
|
||
|
#define GTEST_DEFINE_bool_(name, default_val, doc) \
|
||
|
GTEST_API_ bool GTEST_FLAG(name) = (default_val)
|
||
|
#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) \
|
||
|
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
|
||
|
// 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);
|
||
|
const char* StringFromGTestEnv(const char* flag, const char* default_val);
|
||
|
|
||
|
} // namespace internal
|
||
|
} // namespace testing
|
||
|
|
||
|
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PORT_H_
|