1dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Copyright 2007, Google Inc. 2dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// All rights reserved. 3dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 4dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Redistribution and use in source and binary forms, with or without 5dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// modification, are permitted provided that the following conditions are 6dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// met: 7dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 8dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// * Redistributions of source code must retain the above copyright 9dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// notice, this list of conditions and the following disclaimer. 10dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// * Redistributions in binary form must reproduce the above 11dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// copyright notice, this list of conditions and the following disclaimer 12dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// in the documentation and/or other materials provided with the 13dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// distribution. 14dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// * Neither the name of Google Inc. nor the names of its 15dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// contributors may be used to endorse or promote products derived from 16dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// this software without specific prior written permission. 17dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 18dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 30dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Author: wan@google.com (Zhanyong Wan) 31dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 32dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Google Mock - a framework for writing C++ mock classes. 33dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 34dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This file defines some utilities useful for implementing Google 35dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Mock. They are subject to change without notice, so please DO NOT 36dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// USE THEM IN USER CODE. 37dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 38dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#ifndef GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_ 39dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#define GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_ 40dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 41dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#include <stdio.h> 42dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#include <ostream> // NOLINT 43dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#include <string> 44dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 4546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#include "gmock/internal/gmock-generated-internal-utils.h" 4646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#include "gmock/internal/gmock-port.h" 4746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#include "gtest/gtest.h" 48dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 49dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixternamespace testing { 50dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixternamespace internal { 51dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 52dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converts an identifier name to a space-separated list of lower-case 53dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// words. Each maximum substring of the form [A-Za-z][a-z]*|\d+ is 54dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// treated as one word. For example, both "FooBar123" and 55dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// "foo_bar_123" are converted to "foo bar 123". 5646108a219a4b812dd8f36fee479a0340ea5963f5Ben ChanGTEST_API_ string ConvertIdentifierNameToWords(const char* id_name); 57dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 58dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// PointeeOf<Pointer>::type is the type of a value pointed to by a 59dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Pointer, which can be either a smart pointer or a raw pointer. The 60dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// following default implementation is for the case where Pointer is a 61dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// smart pointer. 62dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename Pointer> 63dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct PointeeOf { 64dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // Smart pointer classes define type element_type as the type of 65dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // their pointees. 66dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef typename Pointer::element_type type; 67dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 68dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This specialization is for the raw pointer case. 69dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> 70dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct PointeeOf<T*> { typedef T type; }; // NOLINT 71dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 72dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// GetRawPointer(p) returns the raw pointer underlying p when p is a 73dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// smart pointer, or returns p itself when p is already a raw pointer. 74dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// The following default implementation is for the smart pointer case. 75dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename Pointer> 7646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chaninline const typename Pointer::element_type* GetRawPointer(const Pointer& p) { 77dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter return p.get(); 78dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 79dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This overloaded version is for the raw pointer case. 80dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename Element> 81dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline Element* GetRawPointer(Element* p) { return p; } 82dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 83dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This comparator allows linked_ptr to be stored in sets. 84dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> 85dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LinkedPtrLessThan { 86dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter bool operator()(const ::testing::internal::linked_ptr<T>& lhs, 87dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter const ::testing::internal::linked_ptr<T>& rhs) const { 88dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter return lhs.get() < rhs.get(); 89dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 90dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 91dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 9246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// Symbian compilation can be done with wchar_t being either a native 9346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// type or a typedef. Using Google Mock with OpenC without wchar_t 9446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// should require the definition of _STLP_NO_WCHAR_T. 9546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// 9646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// MSVC treats wchar_t as a native type usually, but treats it as the 9746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// same as unsigned short when the compiler option /Zc:wchar_t- is 9846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// specified. It defines _NATIVE_WCHAR_T_DEFINED symbol when wchar_t 9946108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// is a native type. 10046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#if (GTEST_OS_SYMBIAN && defined(_STLP_NO_WCHAR_T)) || \ 10146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan (defined(_MSC_VER) && !defined(_NATIVE_WCHAR_T_DEFINED)) 10246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// wchar_t is a typedef. 103dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#else 10446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan# define GMOCK_WCHAR_T_IS_NATIVE_ 1 10546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#endif 10646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan 10746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// signed wchar_t and unsigned wchar_t are NOT in the C++ standard. 10846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// Using them is a bad practice and not portable. So DON'T use them. 10946108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// 11046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// Still, Google Mock is designed to work even if the user uses signed 11146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// wchar_t or unsigned wchar_t (obviously, assuming the compiler 11246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// supports them). 11346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// 11446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// To gcc, 11546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// wchar_t == signed wchar_t != unsigned wchar_t == unsigned int 11646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#ifdef __GNUC__ 11746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// signed/unsigned wchar_t are valid types. 11846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan# define GMOCK_HAS_SIGNED_WCHAR_T_ 1 11946108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#endif 120dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 121dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// In what follows, we use the term "kind" to indicate whether a type 122dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// is bool, an integer type (excluding bool), a floating-point type, 123dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// or none of them. This categorization is useful for determining 124dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// when a matcher argument type can be safely converted to another 125dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// type in the implementation of SafeMatcherCast. 126dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterenum TypeKind { 127dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter kBool, kInteger, kFloatingPoint, kOther 128dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 129dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 130dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// KindOf<T>::value is the kind of type T. 131dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct KindOf { 132dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter enum { value = kOther }; // The default kind. 133dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 134dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 135dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This macro declares that the kind of 'type' is 'kind'. 136dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#define GMOCK_DECLARE_KIND_(type, kind) \ 137dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter template <> struct KindOf<type> { enum { value = kind }; } 138dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 139dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(bool, kBool); 140dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 141dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// All standard integer types. 142dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(char, kInteger); 143dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(signed char, kInteger); 144dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(unsigned char, kInteger); 145dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(short, kInteger); // NOLINT 146dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(unsigned short, kInteger); // NOLINT 147dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(int, kInteger); 148dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(unsigned int, kInteger); 149dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(long, kInteger); // NOLINT 150dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(unsigned long, kInteger); // NOLINT 151dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 15246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#if GMOCK_WCHAR_T_IS_NATIVE_ 153dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(wchar_t, kInteger); 154dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#endif 155dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 156dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Non-standard integer types. 157dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(Int64, kInteger); 158dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(UInt64, kInteger); 159dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 160dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// All standard floating-point types. 161dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(float, kFloatingPoint); 162dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(double, kFloatingPoint); 163dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken MixterGMOCK_DECLARE_KIND_(long double, kFloatingPoint); 164dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 165dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#undef GMOCK_DECLARE_KIND_ 166dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 167dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Evaluates to the kind of 'type'. 168dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#define GMOCK_KIND_OF_(type) \ 169dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static_cast< ::testing::internal::TypeKind>( \ 170dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter ::testing::internal::KindOf<type>::value) 171dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 172dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Evaluates to true iff integer type T is signed. 173dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#define GMOCK_IS_SIGNED_(T) (static_cast<T>(-1) < 0) 174dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 175dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// LosslessArithmeticConvertibleImpl<kFromKind, From, kToKind, To>::value 176dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// is true iff arithmetic type From can be losslessly converted to 177dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// arithmetic type To. 178dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 179dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// It's the user's responsibility to ensure that both From and To are 180dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// raw (i.e. has no CV modifier, is not a pointer, and is not a 181dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// reference) built-in arithmetic types, kFromKind is the kind of 182dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// From, and kToKind is the kind of To; the value is 183dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// implementation-defined when the above pre-condition is violated. 184dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <TypeKind kFromKind, typename From, TypeKind kToKind, typename To> 185dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl : public false_type {}; 186dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 187dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting bool to bool is lossless. 188dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <> 189dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kBool, bool, kBool, bool> 190dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public true_type {}; // NOLINT 191dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 192dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting bool to any integer type is lossless. 193dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename To> 194dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kBool, bool, kInteger, To> 195dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public true_type {}; // NOLINT 196dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 197dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting bool to any floating-point type is lossless. 198dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename To> 199dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kBool, bool, kFloatingPoint, To> 200dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public true_type {}; // NOLINT 201dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 202dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting an integer to bool is lossy. 203dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From> 204dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kInteger, From, kBool, bool> 205dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public false_type {}; // NOLINT 206dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 207dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting an integer to another non-bool integer is lossless iff 208dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// the target type's range encloses the source type's range. 209dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From, typename To> 210dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kInteger, From, kInteger, To> 211dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public bool_constant< 212dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // When converting from a smaller size to a larger size, we are 213dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // fine as long as we are not converting from signed to unsigned. 214dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter ((sizeof(From) < sizeof(To)) && 215dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter (!GMOCK_IS_SIGNED_(From) || GMOCK_IS_SIGNED_(To))) || 216dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // When converting between the same size, the signedness must match. 217dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter ((sizeof(From) == sizeof(To)) && 218dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter (GMOCK_IS_SIGNED_(From) == GMOCK_IS_SIGNED_(To)))> {}; // NOLINT 219dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 220dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#undef GMOCK_IS_SIGNED_ 221dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 222dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting an integer to a floating-point type may be lossy, since 223dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// the format of a floating-point number is implementation-defined. 224dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From, typename To> 225dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kInteger, From, kFloatingPoint, To> 226dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public false_type {}; // NOLINT 227dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 228dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting a floating-point to bool is lossy. 229dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From> 230dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kFloatingPoint, From, kBool, bool> 231dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public false_type {}; // NOLINT 232dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 233dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting a floating-point to an integer is lossy. 234dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From, typename To> 235dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl<kFloatingPoint, From, kInteger, To> 236dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public false_type {}; // NOLINT 237dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 238dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Converting a floating-point to another floating-point is lossless 239dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// iff the target type is at least as big as the source type. 240dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From, typename To> 241dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertibleImpl< 242dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter kFloatingPoint, From, kFloatingPoint, To> 243dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public bool_constant<sizeof(From) <= sizeof(To)> {}; // NOLINT 244dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 245dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// LosslessArithmeticConvertible<From, To>::value is true iff arithmetic 246dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// type From can be losslessly converted to arithmetic type To. 247dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 248dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// It's the user's responsibility to ensure that both From and To are 249dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// raw (i.e. has no CV modifier, is not a pointer, and is not a 250dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// reference) built-in arithmetic types; the value is 251dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// implementation-defined when the above pre-condition is violated. 252dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename From, typename To> 253dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterstruct LosslessArithmeticConvertible 254dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter : public LosslessArithmeticConvertibleImpl< 255dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter GMOCK_KIND_OF_(From), From, GMOCK_KIND_OF_(To), To> {}; // NOLINT 256dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 257dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This interface knows how to report a Google Mock failure (either 258dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// non-fatal or fatal). 259dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterclass FailureReporterInterface { 260dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter public: 261dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // The type of a failure (either non-fatal or fatal). 262dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter enum FailureType { 26346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan kNonfatal, kFatal 264dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter }; 265dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 266dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter virtual ~FailureReporterInterface() {} 267dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 268dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // Reports a failure that occurred at the given source file location. 269dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter virtual void ReportFailure(FailureType type, const char* file, int line, 270dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter const string& message) = 0; 271dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 272dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 273dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Returns the failure reporter used by Google Mock. 27446108a219a4b812dd8f36fee479a0340ea5963f5Ben ChanGTEST_API_ FailureReporterInterface* GetFailureReporter(); 275dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 276dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Asserts that condition is true; aborts the process with the given 277dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// message if condition is false. We cannot use LOG(FATAL) or CHECK() 278dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// as Google Mock might be used to mock the log sink itself. We 279dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// inline this function to prevent it from showing up in the stack 280dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// trace. 281dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline void Assert(bool condition, const char* file, int line, 282dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter const string& msg) { 283dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter if (!condition) { 28446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan GetFailureReporter()->ReportFailure(FailureReporterInterface::kFatal, 285dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter file, line, msg); 286dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 287dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 288dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline void Assert(bool condition, const char* file, int line) { 289dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter Assert(condition, file, line, "Assertion failed."); 290dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 291dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 292dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Verifies that condition is true; generates a non-fatal failure if 293dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// condition is false. 294dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline void Expect(bool condition, const char* file, int line, 295dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter const string& msg) { 296dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter if (!condition) { 29746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan GetFailureReporter()->ReportFailure(FailureReporterInterface::kNonfatal, 298dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter file, line, msg); 299dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 300dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 301dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline void Expect(bool condition, const char* file, int line) { 302dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter Expect(condition, file, line, "Expectation failed."); 303dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 304dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 305dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Severity level of a log. 306dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterenum LogSeverity { 30746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan kInfo = 0, 30846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan kWarning = 1 309dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 310dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 311dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Valid values for the --gmock_verbose flag. 312dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 313dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// All logs (informational and warnings) are printed. 314dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterconst char kInfoVerbosity[] = "info"; 315dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Only warnings are printed. 316dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterconst char kWarningVerbosity[] = "warning"; 317dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// No logs are printed. 318dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterconst char kErrorVerbosity[] = "error"; 319dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 320dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Returns true iff a log with the given severity is visible according 321dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// to the --gmock_verbose flag. 32246108a219a4b812dd8f36fee479a0340ea5963f5Ben ChanGTEST_API_ bool LogIsVisible(LogSeverity severity); 323dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 324dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Prints the given message to stdout iff 'severity' >= the level 325dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// specified by the --gmock_verbose flag. If stack_frames_to_skip >= 326dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 0, also prints the stack trace excluding the top 327dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// stack_frames_to_skip frames. In opt mode, any positive 328dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// stack_frames_to_skip is treated as 0, since we don't know which 329dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// function calls will be inlined by the compiler and need to be 330dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// conservative. 33146108a219a4b812dd8f36fee479a0340ea5963f5Ben ChanGTEST_API_ void Log(LogSeverity severity, 33246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan const string& message, 33346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan int stack_frames_to_skip); 334dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 335dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// TODO(wan@google.com): group all type utilities together. 336dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 337dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Type traits. 338dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 339dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// is_reference<T>::value is non-zero iff T is a reference type. 340dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct is_reference : public false_type {}; 341dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct is_reference<T&> : public true_type {}; 342dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 343dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// type_equals<T1, T2>::value is non-zero iff T1 and T2 are the same type. 344dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T1, typename T2> struct type_equals : public false_type {}; 345dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct type_equals<T, T> : public true_type {}; 346dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 347dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// remove_reference<T>::type removes the reference from type T, if any. 348dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct remove_reference { typedef T type; }; // NOLINT 349dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> struct remove_reference<T&> { typedef T type; }; // NOLINT 350dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 351dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Invalid<T>() returns an invalid value of type T. This is useful 352dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// when a value of type T is needed for compilation, but the statement 353dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// will not really be executed (or we don't care if the statement 354dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// crashes). 355dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> 356dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline T Invalid() { 35746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return const_cast<typename remove_reference<T>::type&>( 35846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan *static_cast<volatile typename remove_reference<T>::type*>(NULL)); 359dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} 360dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <> 361dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterinline void Invalid<void>() {} 362dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 363dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// Given a raw type (i.e. having no top-level reference or const 364dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// modifier) RawContainer that's either an STL-style container or a 365dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// native array, class StlContainerView<RawContainer> has the 366dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// following members: 367dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 368dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// - type is a type that provides an STL-style container view to 369dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// (i.e. implements the STL container concept for) RawContainer; 370dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// - const_reference is a type that provides a reference to a const 371dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// RawContainer; 372dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// - ConstReference(raw_container) returns a const reference to an STL-style 373dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// container view to raw_container, which is a RawContainer. 374dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// - Copy(raw_container) returns an STL-style container view of a 375dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// copy of raw_container, which is a RawContainer. 376dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// 377dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This generic version is used when RawContainer itself is already an 378dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// STL-style container. 379dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <class RawContainer> 380dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterclass StlContainerView { 381dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter public: 382dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef RawContainer type; 383dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef const type& const_reference; 384dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 385dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static const_reference ConstReference(const RawContainer& container) { 386dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // Ensures that RawContainer is not a const type. 387dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter testing::StaticAssertTypeEq<RawContainer, 38846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan GTEST_REMOVE_CONST_(RawContainer)>(); 389dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter return container; 390dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 391dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static type Copy(const RawContainer& container) { return container; } 392dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 393dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 394dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This specialization is used when RawContainer is a native array type. 395dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename Element, size_t N> 396dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterclass StlContainerView<Element[N]> { 397dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter public: 39846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan typedef GTEST_REMOVE_CONST_(Element) RawElement; 399dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef internal::NativeArray<RawElement> type; 400dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // NativeArray<T> can represent a native array either by value or by 401dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // reference (selected by a constructor argument), so 'const type' 402dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // can be used to reference a const native array. We cannot 403dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // 'typedef const type& const_reference' here, as that would mean 404dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // ConstReference() has to return a reference to a local variable. 405dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef const type const_reference; 406dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 407dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static const_reference ConstReference(const Element (&array)[N]) { 408dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter // Ensures that Element is not a const type. 409dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter testing::StaticAssertTypeEq<Element, RawElement>(); 41046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#if GTEST_OS_SYMBIAN 41146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // The Nokia Symbian compiler confuses itself in template instantiation 41246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // for this call without the cast to Element*: 41346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // function call '[testing::internal::NativeArray<char *>].NativeArray( 41446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // {lval} const char *[4], long, testing::internal::RelationToSource)' 41546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // does not match 41646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // 'testing::internal::NativeArray<char *>::NativeArray( 41746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // char *const *, unsigned int, testing::internal::RelationToSource)' 41846108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // (instantiating: 'testing::internal::ContainsMatcherImpl 41946108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // <const char * (&)[4]>::Matches(const char * (&)[4]) const') 42046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // (instantiating: 'testing::internal::StlContainerView<char *[4]>:: 42146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // ConstReference(const char * (&)[4])') 42246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // (and though the N parameter type is mismatched in the above explicit 42346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan // conversion of it doesn't help - only the conversion of the array). 42446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(const_cast<Element*>(&array[0]), N, kReference); 42546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#else 42646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(array, N, kReference); 42746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#endif // GTEST_OS_SYMBIAN 428dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 429dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static type Copy(const Element (&array)[N]) { 43046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#if GTEST_OS_SYMBIAN 43146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(const_cast<Element*>(&array[0]), N, kCopy); 43246108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#else 43346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(array, N, kCopy); 43446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan#endif // GTEST_OS_SYMBIAN 435dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 436dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 437dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 438dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// This specialization is used when RawContainer is a native array 439dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// represented as a (pointer, size) tuple. 440dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename ElementPointer, typename Size> 441dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixterclass StlContainerView< ::std::tr1::tuple<ElementPointer, Size> > { 442dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter public: 44346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan typedef GTEST_REMOVE_CONST_( 444dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typename internal::PointeeOf<ElementPointer>::type) RawElement; 445dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef internal::NativeArray<RawElement> type; 446dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter typedef const type const_reference; 447dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 448dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static const_reference ConstReference( 449dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter const ::std::tr1::tuple<ElementPointer, Size>& array) { 45046108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan using ::std::tr1::get; 45146108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(get<0>(array), get<1>(array), kReference); 452dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 453dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter static type Copy(const ::std::tr1::tuple<ElementPointer, Size>& array) { 45446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan using ::std::tr1::get; 45546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan return type(get<0>(array), get<1>(array), kCopy); 456dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter } 457dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter}; 458dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 459dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// The following specialization prevents the user from instantiating 460dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter// StlContainer with a reference type. 461dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixtertemplate <typename T> class StlContainerView<T&>; 462dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 46346108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// Mapping from booleans to types. Similar to boost::bool_<kValue> and 46446108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan// std::integral_constant<bool, kValue>. 46546108a219a4b812dd8f36fee479a0340ea5963f5Ben Chantemplate <bool kValue> 46646108a219a4b812dd8f36fee479a0340ea5963f5Ben Chanstruct BooleanConstant {}; 46746108a219a4b812dd8f36fee479a0340ea5963f5Ben Chan 468dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} // namespace internal 469dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter} // namespace testing 470dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter 471dd1c93d5709e32713961cfd95fe30489a4ad2d26Ken Mixter#endif // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_ 472