1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2005, Google Inc. 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee) 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The Google C++ Testing Framework (Google Test) 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This header file declares functions and macros used internally by 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Google Test. They are subject to change without notice. 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 38fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 39fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 40fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-port.h> 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_OS_LINUX 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdlib.h> 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <sys/types.h> 45fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <sys/wait.h> 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <unistd.h> 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_OS_LINUX 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <ctype.h> 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <string.h> 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <iomanip> 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <limits> 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <set> 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-string.h> 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-filepath.h> 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-type-util.h> 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Due to C++ preprocessor weirdness, we need double indirection to 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// concatenate two tokens when one of them is __LINE__. Writing 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// foo ## __LINE__ 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// will result in the token foo__LINE__, instead of foo followed by 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the current line number. For more details, see 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Google Test defines the testing::Message class to allow construction of 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// test messages via the << operator. The idea is that anything 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// streamable to std::ostream can be streamed to a testing::Message. 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This allows a user to use his own types in Google Test assertions by 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// overloading the << operator. 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// util/gtl/stl_logging-inl.h overloads << for STL containers. These 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// overloads cannot be defined in the std namespace, as that will be 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// undefined behavior. Therefore, they are defined in the global 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// namespace instead. 80fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 81fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// C++'s symbol lookup rule (i.e. Koenig lookup) says that these 82fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// overloads are visible in either the std namespace or the global 83fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// namespace, but not other namespaces, including the testing 84fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// namespace which Google Test's Message class is in. 85fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 86fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// To allow STL containers (and other types that has a << operator 87fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// defined in the global namespace) to be used in Google Test assertions, 88fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// testing::Message must access the custom << operator from the global 89fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// namespace. Hence this helper function. 90fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 91fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Note: Jeffrey Yasskin suggested an alternative fix by "using 92fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ::operator<<;" in the definition of Message's operator<<. That fix 93fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// doesn't require a helper function, but unfortunately doesn't 94fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compile with MSVC. 95fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 96fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline void GTestStreamToHelper(std::ostream* os, const T& val) { 97fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville *os << val; 98fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 99fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace testing { 101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Forward declaration of classes. 103fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass AssertionResult; // Result of an assertion. 105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass Message; // Represents a failure message. 106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass Test; // Represents a test. 107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TestInfo; // Information about a test. 108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TestPartResult; // Result of a test part. 109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass UnitTest; // A collection of test cases. 110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestruct TraceInfo; // Information about a trace point. 114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass ScopedTrace; // Implements scoped trace. 115fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TestInfoImpl; // Opaque implementation of TestInfo 116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass UnitTestImpl; // Opaque implementation of UnitTest 117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename E> class Vector; // A generic vector. 118fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 119fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// How many times InitGoogleTest() has been called. 120fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleextern int g_init_gtest_count; 121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The text used in failure messages to indicate the start of the 123fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// stack trace. 124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleextern const char kStackTraceMarker[]; 125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 126fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A secret type that Google Test users don't know about. It has no 127fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// definition on purpose. Therefore it's impossible to create a 128fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Secret object, which is what we want. 129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass Secret; 130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Two overloaded helpers for checking at compile time whether an 132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expression is a null pointer literal (i.e. NULL or any 0-valued 133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compile-time integral constant). Their return values have 134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// different sizes, so we can use sizeof() to test which version is 135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// picked by the compiler. These helpers have no implementations, as 136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// we only need their signatures. 137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Given IsNullLiteralHelper(x), the compiler will pick the first 139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// version if x can be implicitly converted to Secret*, and pick the 140fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// second version otherwise. Since Secret is a secret and incomplete 141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// type, the only expression a user can write that has type Secret* is 142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a null pointer literal. Therefore, we know that x is a null 143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// pointer literal if and only if the first version is picked by the 144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compiler. 145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillechar IsNullLiteralHelper(Secret* p); 146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillechar (&IsNullLiteralHelper(...))[2]; // NOLINT 147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A compile-time bool constant that is true if and only if x is a 149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// null pointer literal (i.e. NULL or any 0-valued compile-time 150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// integral constant). 151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef GTEST_ELLIPSIS_NEEDS_COPY_ 152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Passing non-POD classes through ellipsis (...) crashes the ARM 153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compiler. The Nokia Symbian and the IBM XL C/C++ compiler try to 154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// instantiate a copy constructor for objects passed through ellipsis 155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (...), failing for uncopyable objects. Hence we define this to 156fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// false (and lose support for NULL detection). 157fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_IS_NULL_LITERAL_(x) false 158fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 159fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_IS_NULL_LITERAL_(x) \ 160fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1) 161fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_ELLIPSIS_NEEDS_COPY_ 162fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 163fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Appends the user-supplied message to the Google-Test-generated message. 164fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString AppendUserMessage(const String& gtest_msg, 165fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Message& user_msg); 166fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 167fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A helper class for creating scoped traces in user programs. 168fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass ScopedTrace { 169fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 170fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The c'tor pushes the given source file location and message onto 171fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // a trace stack maintained by Google Test. 172fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ScopedTrace(const char* file, int line, const Message& message); 173fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 174fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The d'tor pops the info pushed by the c'tor. 175fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 176fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Note that the d'tor is not virtual in order to be efficient. 177fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Don't inherit from ScopedTrace! 178fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~ScopedTrace(); 179fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 180fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 181fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace); 182fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} GTEST_ATTRIBUTE_UNUSED_; // A ScopedTrace object does its job in its 183fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // c'tor and d'tor. Therefore it doesn't 184fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // need to be used otherwise. 185fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 186fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Converts a streamable value to a String. A NULL pointer is 187fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// converted to "(null)". When the input value is a ::string, 188fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ::std::string, ::wstring, or ::std::wstring object, each NUL 189fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// character in it is replaced with "\\0". 190fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Declared here but defined in gtest.h, so that it has access 191fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// to the definition of the Message class, required by the ARM 192fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compiler. 193fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 194fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString StreamableToString(const T& streamable); 195fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 196fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Formats a value to be used in a failure message. 197fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 198fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef GTEST_NEEDS_IS_POINTER_ 199fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 200fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// These are needed as the Nokia Symbian and IBM XL C/C++ compilers 201fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// cannot decide between const T& and const T* in a function template. 202fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// These compilers _can_ decide between class template specializations 203fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// for T and T*, so a tr1::type_traits-like is_pointer works, and we 204fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// can overload on that. 205fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 206fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This overload makes sure that all pointers (including 207fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// those to char or wchar_t) are printed as raw pointers. 208fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 209fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatValueForFailureMessage(internal::true_type /*dummy*/, 210fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville T* pointer) { 211fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return StreamableToString(static_cast<const void*>(pointer)); 212fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 213fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 214fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 215fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatValueForFailureMessage(internal::false_type /*dummy*/, 216fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const T& value) { 217fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return StreamableToString(value); 218fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 219fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 220fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 221fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatForFailureMessage(const T& value) { 222fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return FormatValueForFailureMessage( 223fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typename internal::is_pointer<T>::type(), value); 224fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 225fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 226fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 227fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 228fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// These are needed as the above solution using is_pointer has the 229fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// limitation that T cannot be a type without external linkage, when 230fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// compiled using MSVC. 231fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 232fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 233fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatForFailureMessage(const T& value) { 234fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return StreamableToString(value); 235fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 236fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 237fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This overload makes sure that all pointers (including 238fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// those to char or wchar_t) are printed as raw pointers. 239fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 240fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatForFailureMessage(T* pointer) { 241fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return StreamableToString(static_cast<const void*>(pointer)); 242fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 243fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 244fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_NEEDS_IS_POINTER_ 245fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 246fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// These overloaded versions handle narrow and wide characters. 247fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString FormatForFailureMessage(char ch); 248fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString FormatForFailureMessage(wchar_t wchar); 249fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 250fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// When this operand is a const char* or char*, and the other operand 251fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// is a ::std::string or ::string, we print this operand as a C string 252fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// rather than a pointer. We do the same for wide strings. 253fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 254fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This internal macro is used to avoid duplicated code. 255fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_FORMAT_IMPL_(operand2_type, operand1_printer)\ 256fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatForComparisonFailureMessage(\ 257fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville operand2_type::value_type* str, const operand2_type& /*operand2*/) {\ 258fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return operand1_printer(str);\ 259fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}\ 260fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatForComparisonFailureMessage(\ 261fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const operand2_type::value_type* str, const operand2_type& /*operand2*/) {\ 262fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return operand1_printer(str);\ 263fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 264fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 265fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_STD_STRING 266fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleGTEST_FORMAT_IMPL_(::std::string, String::ShowCStringQuoted) 267fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_STD_STRING 268fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_STD_WSTRING 269fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleGTEST_FORMAT_IMPL_(::std::wstring, String::ShowWideCStringQuoted) 270fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_STD_WSTRING 271fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 272fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_GLOBAL_STRING 273fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleGTEST_FORMAT_IMPL_(::string, String::ShowCStringQuoted) 274fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_GLOBAL_STRING 275fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_GLOBAL_WSTRING 276fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleGTEST_FORMAT_IMPL_(::wstring, String::ShowWideCStringQuoted) 277fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_GLOBAL_WSTRING 278fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 279fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GTEST_FORMAT_IMPL_ 280fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 281fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Constructs and returns the message for an equality assertion 282fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure. 283fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 284fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The first four parameters are the expressions used in the assertion 285fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// and their values, as strings. For example, for ASSERT_EQ(foo, bar) 286fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// where foo is 5 and bar is 6, we have: 287fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 288fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expected_expression: "foo" 289fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// actual_expression: "bar" 290fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expected_value: "5" 291fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// actual_value: "6" 292fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 293fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The ignoring_case parameter is true iff the assertion is a 294fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will 295fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// be inserted into the message. 296fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleAssertionResult EqFailure(const char* expected_expression, 297fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* actual_expression, 298fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String& expected_value, 299fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String& actual_value, 300fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool ignoring_case); 301fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 302fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 303fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This template class represents an IEEE floating-point number 304fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (either single-precision or double-precision, depending on the 305fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// template parameters). 306fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 307fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The purpose of this class is to do more sophisticated number 308fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// comparison. (Due to round-off error, etc, it's very unlikely that 309fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// two floating-points will be equal exactly. Hence a naive 310fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// comparison by the == operation often doesn't work.) 311fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 312fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Format of IEEE floating-point: 313fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 314fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The most-significant bit being the leftmost, an IEEE 315fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// floating-point looks like 316fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 317fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// sign_bit exponent_bits fraction_bits 318fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 319fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Here, sign_bit is a single bit that designates the sign of the 320fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// number. 321fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 322fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// For float, there are 8 exponent bits and 23 fraction bits. 323fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 324fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// For double, there are 11 exponent bits and 52 fraction bits. 325fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 326fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// More details can be found at 327fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://en.wikipedia.org/wiki/IEEE_floating-point_standard. 328fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 329fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Template parameter: 330fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 331fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// RawType: the raw floating-point type (either float or double) 332fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename RawType> 333fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass FloatingPoint { 334fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 335fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Defines the unsigned integer type that has the same size as the 336fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // floating point number. 337fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef typename TypeWithSize<sizeof(RawType)>::UInt Bits; 338fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 339fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Constants. 340fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 341fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // # of bits in a number. 342fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const size_t kBitCount = 8*sizeof(RawType); 343fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 344fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // # of fraction bits in a number. 345fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const size_t kFractionBitCount = 346fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville std::numeric_limits<RawType>::digits - 1; 347fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 348fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // # of exponent bits in a number. 349fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount; 350fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 351fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The mask for the sign bit. 352fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1); 353fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 354fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The mask for the fraction bits. 355fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const Bits kFractionBitMask = 356fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~static_cast<Bits>(0) >> (kExponentBitCount + 1); 357fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 358fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The mask for the exponent bits. 359fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask); 360fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 361fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // How many ULP's (Units in the Last Place) we want to tolerate when 362fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // comparing two numbers. The larger the value, the more error we 363fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // allow. A 0 value means that two numbers must be exactly the same 364fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // to be considered equal. 365fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 366fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The maximum error of a single floating-point operation is 0.5 367fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // units in the last place. On Intel CPU's, all floating-point 368fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // calculations are done with 80-bit precision, while double has 64 369fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // bits. Therefore, 4 should be enough for ordinary use. 370fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 371fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // See the following article for more details on ULP: 372fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm. 373fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static const size_t kMaxUlps = 4; 374fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 375fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Constructs a FloatingPoint from a raw floating-point number. 376fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 377fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // On an Intel CPU, passing a non-normalized NAN (Not a Number) 378fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // around may change its bits, although the new value is guaranteed 379fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // to be also a NAN. Therefore, don't expect this constructor to 380fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // preserve the bits in x when x is a NAN. 381fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville explicit FloatingPoint(const RawType& x) { u_.value_ = x; } 382fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 383fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Static methods 384fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 385fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reinterprets a bit pattern as a floating-point number. 386fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 387fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // This function is needed to test the AlmostEquals() method. 388fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static RawType ReinterpretBits(const Bits bits) { 389fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FloatingPoint fp(0); 390fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fp.u_.bits_ = bits; 391fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return fp.u_.value_; 392fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 393fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 394fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the floating-point number that represent positive infinity. 395fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static RawType Infinity() { 396fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return ReinterpretBits(kExponentBitMask); 397fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 398fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 399fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Non-static methods 400fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 401fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the bits that represents this number. 402fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Bits &bits() const { return u_.bits_; } 403fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 404fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the exponent bits of this number. 405fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Bits exponent_bits() const { return kExponentBitMask & u_.bits_; } 406fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 407fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the fraction bits of this number. 408fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Bits fraction_bits() const { return kFractionBitMask & u_.bits_; } 409fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 410fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the sign bit of this number. 411fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Bits sign_bit() const { return kSignBitMask & u_.bits_; } 412fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 413fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns true iff this is NAN (not a number). 414fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool is_nan() const { 415fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // It's a NAN if the exponent bits are all ones and the fraction 416fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // bits are not entirely zeros. 417fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0); 418fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 419fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 420fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns true iff this number is at most kMaxUlps ULP's away from 421fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // rhs. In particular, this function: 422fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 423fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // - returns false if either number is (or both are) NAN. 424fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // - treats really large numbers as almost equal to infinity. 425fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // - thinks +0.0 and -0.0 are 0 DLP's apart. 426fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool AlmostEquals(const FloatingPoint& rhs) const { 427fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The IEEE standard says that any comparison operation involving 428fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // a NAN must return false. 429fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (is_nan() || rhs.is_nan()) return false; 430fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 431fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_) 432fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville <= kMaxUlps; 433fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 434fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 435fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 436fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The data type used to store the actual floating-point number. 437fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville union FloatingPointUnion { 438fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville RawType value_; // The raw floating-point number. 439fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Bits bits_; // The bits that represent the number. 440fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville }; 441fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 442fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Converts an integer from the sign-and-magnitude representation to 443fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // the biased representation. More precisely, let N be 2 to the 444fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // power of (kBitCount - 1), an integer x is represented by the 445fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // unsigned number x + N. 446fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 447fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // For instance, 448fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 449fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // -N + 1 (the most negative number representable using 450fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // sign-and-magnitude) is represented by 1; 451fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 0 is represented by N; and 452fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // N - 1 (the biggest number representable using 453fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // sign-and-magnitude) is represented by 2N - 1. 454fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 455fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Read http://en.wikipedia.org/wiki/Signed_number_representations 456fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // for more details on signed number representations. 457fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static Bits SignAndMagnitudeToBiased(const Bits &sam) { 458fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (kSignBitMask & sam) { 459fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // sam represents a negative number. 460fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return ~sam + 1; 461fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 462fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // sam represents a positive number. 463fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return kSignBitMask | sam; 464fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 465fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 466fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 467fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Given two numbers in the sign-and-magnitude representation, 468fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // returns the distance between them as an unsigned number. 469fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1, 470fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Bits &sam2) { 471fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Bits biased1 = SignAndMagnitudeToBiased(sam1); 472fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Bits biased2 = SignAndMagnitudeToBiased(sam2); 473fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1); 474fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 475fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 476fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FloatingPointUnion u_; 477fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 478fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 479fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Typedefs the instances of the FloatingPoint template class that we 480fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// care to use. 481fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef FloatingPoint<float> Float; 482fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef FloatingPoint<double> Double; 483fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 484fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// In order to catch the mistake of putting tests that use different 485fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// test fixture classes in the same test case, we need to assign 486fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// unique IDs to fixture classes and compare them. The TypeId type is 487fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// used to hold such IDs. The user should treat TypeId as an opaque 488fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// type: the only operation allowed on TypeId values is to compare 489fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// them for equality using the == operator. 490fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef const void* TypeId; 491fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 492fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 493fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypeIdHelper { 494fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 495fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // dummy_ must not have a const type. Otherwise an overly eager 496fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // compiler (e.g. MSVC 7.1 & 8.0) may try to merge 497fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // TypeIdHelper<T>::dummy_ for different Ts as an "optimization". 498fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool dummy_; 499fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 500fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 501fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 502fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool TypeIdHelper<T>::dummy_ = false; 503fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 504fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// GetTypeId<T>() returns the ID of type T. Different values will be 505fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// returned for different types. Calling the function twice with the 506fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// same type argument is guaranteed to return the same ID. 507fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <typename T> 508fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleTypeId GetTypeId() { 509fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The compiler is required to allocate a different 510fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // TypeIdHelper<T>::dummy_ variable for each T used to instantiate 511fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // the template. Therefore, the address of dummy_ is guaranteed to 512fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // be unique. 513fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return &(TypeIdHelper<T>::dummy_); 514fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 515fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 516fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the type ID of ::testing::Test. Always call this instead 517fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// of GetTypeId< ::testing::Test>() to get the type ID of 518fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ::testing::Test, as the latter may give the wrong result due to a 519fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// suspected linker bug when compiling Google Test as a Mac OS X 520fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// framework. 521fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleTypeId GetTestTypeId(); 522fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 523fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Defines the abstract factory interface that creates instances 524fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// of a Test object. 525fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TestFactoryBase { 526fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 527fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual ~TestFactoryBase() {} 528fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 529fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Creates a test instance to run. The instance is both created and destroyed 530fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // within TestInfoImpl::Run() 531fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual Test* CreateTest() = 0; 532fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 533fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville protected: 534fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TestFactoryBase() {} 535fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 536fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 537fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_DISALLOW_COPY_AND_ASSIGN_(TestFactoryBase); 538fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 539fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 540fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// This class provides implementation of TeastFactoryBase interface. 541fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// It is used in TEST and TEST_F macros. 542fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <class TestClass> 543fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TestFactoryImpl : public TestFactoryBase { 544fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 545fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual Test* CreateTest() { return new TestClass; } 546fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 547fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 548fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_OS_WINDOWS 549fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 550fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Predicate-formatters for implementing the HRESULT checking macros 551fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED} 552fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// We pass a long instead of HRESULT to avoid causing an 553fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// include dependency for the HRESULT type. 554fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleAssertionResult IsHRESULTSuccess(const char* expr, long hr); // NOLINT 555fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleAssertionResult IsHRESULTFailure(const char* expr, long hr); // NOLINT 556fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 557fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_OS_WINDOWS 558fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 559fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Formats a source file path and a line number as they would appear 560fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in a compiler error message. 561fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String FormatFileLocation(const char* file, int line) { 562fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const file_name = file == NULL ? "unknown file" : file; 563fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (line < 0) { 564fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return String::Format("%s:", file_name); 565fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 566fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef _MSC_VER 567fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return String::Format("%s(%d):", file_name, line); 568fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 569fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return String::Format("%s:%d:", file_name, line); 570fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // _MSC_VER 571fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 572fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 573fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Types of SetUpTestCase() and TearDownTestCase() functions. 574fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef void (*SetUpTestCaseFunc)(); 575fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletypedef void (*TearDownTestCaseFunc)(); 576fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 577fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Creates a new TestInfo object and registers it with Google Test; 578fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// returns the created object. 579fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 580fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Arguments: 581fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 582fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// test_case_name: name of the test case 583fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// name: name of the test 584fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// test_case_comment: a comment on the test case that will be included in 585fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the test output 586fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// comment: a comment on the test that will be included in the 587fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// test output 588fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// fixture_class_id: ID of the test fixture class 589fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// set_up_tc: pointer to the function that sets up the test case 590fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// tear_down_tc: pointer to the function that tears down the test case 591fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// factory: pointer to the factory that creates a test object. 592fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The newly created TestInfo instance will assume 593fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// ownership of the factory object. 594fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleTestInfo* MakeAndRegisterTestInfo( 595fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* test_case_name, const char* name, 596fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* test_case_comment, const char* comment, 597fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TypeId fixture_class_id, 598fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville SetUpTestCaseFunc set_up_tc, 599fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TearDownTestCaseFunc tear_down_tc, 600fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TestFactoryBase* factory); 601fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 602fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 603fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 604fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// State of the definition of a type-parameterized test case. 605fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypedTestCasePState { 606fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 607fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TypedTestCasePState() : registered_(false) {} 608fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 609fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Adds the given test name to defined_test_names_ and return true 610fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // if the test case hasn't been registered; otherwise aborts the 611fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // program. 612fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool AddTestName(const char* file, int line, const char* case_name, 613fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* test_name) { 614fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (registered_) { 615fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fprintf(stderr, "%s Test %s must be defined before " 616fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n", 617fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FormatFileLocation(file, line).c_str(), test_name, case_name); 618fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(stderr); 619fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville posix::Abort(); 620fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 621fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville defined_test_names_.insert(test_name); 622fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 623fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 624fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 625fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Verifies that registered_tests match the test names in 626fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // defined_test_names_; returns registered_tests if successful, or 627fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // aborts the program otherwise. 628fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* VerifyRegisteredTestNames( 629fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* file, int line, const char* registered_tests); 630fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 631fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 632fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool registered_; 633fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::std::set<const char*> defined_test_names_; 634fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 635fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 636fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Skips to the first non-space char after the first comma in 'str'; 637fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// returns NULL if no comma is found in 'str'. 638fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline const char* SkipComma(const char* str) { 639fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* comma = strchr(str, ','); 640fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (comma == NULL) { 641fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return NULL; 642fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 643fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville while (isspace(*(++comma))) {} 644fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return comma; 645fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 646fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 647fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the prefix of 'str' before the first comma in it; returns 648fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the entire string if it contains no comma. 649fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleinline String GetPrefixUntilComma(const char* str) { 650fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* comma = strchr(str, ','); 651fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return comma == NULL ? String(str) : String(str, comma - str); 652fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 653fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 654fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// TypeParameterizedTest<Fixture, TestSel, Types>::Register() 655fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// registers a list of type-parameterized tests with Google Test. The 656fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// return value is insignificant - we just need to return something 657fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// such that we can call this function in a namespace scope. 658fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 659fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Implementation note: The GTEST_TEMPLATE_ macro declares a template 660fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// template parameter. It's defined in gtest-type-util.h. 661fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <GTEST_TEMPLATE_ Fixture, class TestSel, typename Types> 662fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypeParameterizedTest { 663fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 664fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 'index' is the index of the test in the type list 'Types' 665fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase, 666fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Types). Valid values for 'index' are [0, N - 1] where N is the 667fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // length of Types. 668fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool Register(const char* prefix, const char* case_name, 669fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* test_names, int index) { 670fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef typename Types::Head Type; 671fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef Fixture<Type> FixtureClass; 672fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef typename GTEST_BIND_(TestSel, Type) TestClass; 673fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 674fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // First, registers the first type-parameterized test in the type 675fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // list. 676fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MakeAndRegisterTestInfo( 677fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville String::Format("%s%s%s/%d", prefix, prefix[0] == '\0' ? "" : "/", 678fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case_name, index).c_str(), 679fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GetPrefixUntilComma(test_names).c_str(), 680fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville String::Format("TypeParam = %s", GetTypeName<Type>().c_str()).c_str(), 681fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "", 682fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GetTypeId<FixtureClass>(), 683fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TestClass::SetUpTestCase, 684fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TestClass::TearDownTestCase, 685fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville new TestFactoryImpl<TestClass>); 686fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 687fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Next, recurses (at compile time) with the tail of the type list. 688fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return TypeParameterizedTest<Fixture, TestSel, typename Types::Tail> 689fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::Register(prefix, case_name, test_names, index + 1); 690fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 691fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 692fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 693fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The base case for the compile time recursion. 694fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <GTEST_TEMPLATE_ Fixture, class TestSel> 695fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypeParameterizedTest<Fixture, TestSel, Types0> { 696fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 697fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool Register(const char* /*prefix*/, const char* /*case_name*/, 698fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* /*test_names*/, int /*index*/) { 699fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 700fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 701fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 702fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 703fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// TypeParameterizedTestCase<Fixture, Tests, Types>::Register() 704fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// registers *all combinations* of 'Tests' and 'Types' with Google 705fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Test. The return value is insignificant - we just need to return 706fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// something such that we can call this function in a namespace scope. 707fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types> 708fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypeParameterizedTestCase { 709fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 710fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static bool Register(const char* prefix, const char* case_name, 711fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* test_names) { 712fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville typedef typename Tests::Head Head; 713fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 714fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // First, register the first test in 'Test' for each type in 'Types'. 715fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TypeParameterizedTest<Fixture, Head, Types>::Register( 716fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville prefix, case_name, test_names, 0); 717fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 718fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Next, recurses (at compile time) with the tail of the test list. 719fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return TypeParameterizedTestCase<Fixture, typename Tests::Tail, Types> 720fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::Register(prefix, case_name, SkipComma(test_names)); 721fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 722fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 723fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 724fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The base case for the compile time recursion. 725fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilletemplate <GTEST_TEMPLATE_ Fixture, typename Types> 726fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass TypeParameterizedTestCase<Fixture, Templates0, Types> { 727fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 728d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville static bool Register(const char* /*prefix*/, const char* /*case_name*/, 729d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville const char* /*test_names*/) { 730fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 731fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 732fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 733fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 734fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 735fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 736fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the current OS stack trace as a String. 737fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 738fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The maximum number of stack frames to be included is specified by 739fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the gtest_stack_trace_depth flag. The skip_count parameter 740fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// specifies the number of top frames to be skipped, which doesn't 741fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// count against the number of frames to be included. 742fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 743fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// For example, if Foo() calls Bar(), which in turn calls 744fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in 745fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't. 746fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString GetCurrentOsStackTraceExceptTop(UnitTest* unit_test, int skip_count); 747fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 748d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Helpers for suppressing warnings on unreachable code or constant 749d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// condition. 750d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 751d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Always returns true. 752fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool AlwaysTrue(); 753fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 754d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Always returns false. 755d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Savilleinline bool AlwaysFalse() { return !AlwaysTrue(); } 756d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 757d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// A simple Linear Congruential Generator for generating random 758d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// numbers with a uniform distribution. Unlike rand() and srand(), it 759d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// doesn't use global state (and therefore can't interfere with user 760d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// code). Unlike rand_r(), it's portable. An LCG isn't very random, 761d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// but it's good enough for our purposes. 762d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Savilleclass Random { 763d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville public: 764d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville static const UInt32 kMaxRange = 1u << 31; 765d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 766d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville explicit Random(UInt32 seed) : state_(seed) {} 767d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 768d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville void Reseed(UInt32 seed) { state_ = seed; } 769d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 770d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville // Generates a random number from [0, range). Crashes if 'range' is 771d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville // 0 or greater than kMaxRange. 772d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville UInt32 Generate(UInt32 range); 773d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 774d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville private: 775d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville UInt32 state_; 776d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_DISALLOW_COPY_AND_ASSIGN_(Random); 777d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville}; 778d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 779fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 780fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace testing 781fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 782fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_MESSAGE_(message, result_type) \ 783fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::testing::internal::AssertHelper(result_type, __FILE__, __LINE__, message) \ 784fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville = ::testing::Message() 785fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 786fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_FATAL_FAILURE_(message) \ 787d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure) 788fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 789fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_NONFATAL_FAILURE_(message) \ 790d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure) 791fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 792fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_SUCCESS_(message) \ 793d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess) 794fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 795fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Suppresses MSVC warnings 4072 (unreachable code) for the code following 796fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// statement if it returns or throws (or doesn't return or throw in some 797fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// situations). 798d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \ 799fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (::testing::internal::AlwaysTrue()) { statement; } 800fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 801fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_THROW_(statement, expected_exception, fail) \ 802fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 803fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (const char* gtest_msg = "") { \ 804fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool gtest_caught_expected = false; \ 805fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville try { \ 806d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 807fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 808fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville catch (expected_exception const&) { \ 809fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_caught_expected = true; \ 810fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 811fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville catch (...) { \ 812fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_msg = "Expected: " #statement " throws an exception of type " \ 813fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #expected_exception ".\n Actual: it throws a different " \ 814fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "type."; \ 815fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 816fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 817fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!gtest_caught_expected) { \ 818fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_msg = "Expected: " #statement " throws an exception of type " \ 819fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #expected_exception ".\n Actual: it throws nothing."; \ 820fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 821fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 822fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else \ 823fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \ 824fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fail(gtest_msg) 825fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 826fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_NO_THROW_(statement, fail) \ 827fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 828fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (const char* gtest_msg = "") { \ 829fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville try { \ 830d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 831fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 832fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville catch (...) { \ 833fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_msg = "Expected: " #statement " doesn't throw an exception.\n" \ 834fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " Actual: it throws."; \ 835fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \ 836fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 837fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else \ 838fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \ 839fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fail(gtest_msg) 840fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 841fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_ANY_THROW_(statement, fail) \ 842fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 843fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (const char* gtest_msg = "") { \ 844fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool gtest_caught_any = false; \ 845fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville try { \ 846d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 847fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 848fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville catch (...) { \ 849fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_caught_any = true; \ 850fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 851fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!gtest_caught_any) { \ 852fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_msg = "Expected: " #statement " throws an exception.\n" \ 853fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " Actual: it doesn't."; \ 854fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \ 855fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 856fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else \ 857fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \ 858fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fail(gtest_msg) 859fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 860fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 861fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_BOOLEAN_(boolexpr, booltext, actual, expected, fail) \ 862fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 863d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville if (::testing::internal::IsTrue(boolexpr)) \ 864fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ; \ 865fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville else \ 866fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fail("Value of: " booltext "\n Actual: " #actual "\nExpected: " #expected) 867fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 868fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ 869fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 870fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (const char* gtest_msg = "") { \ 871fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \ 872d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 873fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ 874fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville gtest_msg = "Expected: " #statement " doesn't generate new fatal " \ 875fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "failures in the current thread.\n" \ 876fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " Actual: it does."; \ 877fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ 878fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } \ 879fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else \ 880fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \ 881fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fail(gtest_msg) 882fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 883fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Expands to the name of the class that implements the given test. 884fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \ 885fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville test_case_name##_##test_name##_Test 886fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 887fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Helper macro for defining tests. 888fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_TEST_(test_case_name, test_name, parent_class, parent_id)\ 889fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\ 890fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public:\ 891fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\ 892fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private:\ 893fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville virtual void TestBody();\ 894fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static ::testing::TestInfo* const test_info_;\ 895fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_DISALLOW_COPY_AND_ASSIGN_(\ 896fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\ 897fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville};\ 898fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville\ 899fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_case_name, test_name)\ 900fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::test_info_ =\ 901fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::testing::internal::MakeAndRegisterTestInfo(\ 902fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville #test_case_name, #test_name, "", "", \ 903fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (parent_id), \ 904fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville parent_class::SetUpTestCase, \ 905fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville parent_class::TearDownTestCase, \ 906fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville new ::testing::internal::TestFactoryImpl<\ 907fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>);\ 908fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody() 909fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 910fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 911