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34 files changed
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -4,7 +4,7 @@ | |||
| 4 | 4 | 'target_name': 'gtest', | |
| 5 | 5 | 'type': 'static_library', | |
| 6 | 6 | 'sources': [ | |
| 7 | - 'include/gtest/gtest_pred_impl.h', | ||
| 7 | + 'include/gtest/gtest-assertion-result.h', | ||
| 8 | 8 | 'include/gtest/gtest-death-test.h', | |
| 9 | 9 | 'include/gtest/gtest-matchers.h', | |
| 10 | 10 | 'include/gtest/gtest-message.h', | |
@@ -14,6 +14,10 @@ | |||
| 14 | 14 | 'include/gtest/gtest-test-part.h', | |
| 15 | 15 | 'include/gtest/gtest-typed-test.h', | |
| 16 | 16 | 'include/gtest/gtest.h', | |
| 17 | + 'include/gtest/gtest_pred_impl.h', | ||
| 18 | + 'include/gtest/internal/custom/gtest-port.h', | ||
| 19 | + 'include/gtest/internal/custom/gtest-printers.h', | ||
| 20 | + 'include/gtest/internal/custom/gtest.h', | ||
| 17 | 21 | 'include/gtest/internal/gtest-death-test-internal.h', | |
| 18 | 22 | 'include/gtest/internal/gtest-filepath.h', | |
| 19 | 23 | 'include/gtest/internal/gtest-internal.h', | |
@@ -22,10 +26,8 @@ | |||
| 22 | 26 | 'include/gtest/internal/gtest-port.h', | |
| 23 | 27 | 'include/gtest/internal/gtest-string.h', | |
| 24 | 28 | 'include/gtest/internal/gtest-type-util.h', | |
| 25 | - 'include/gtest/internal/custom/gtest-port.h', | ||
| 26 | - 'include/gtest/internal/custom/gtest-printers.h', | ||
| 27 | - 'include/gtest/internal/custom/gtest.h', | ||
| 28 | 29 | 'src/gtest-all.cc', | |
| 30 | + 'src/gtest-assertion-result.cc', | ||
| 29 | 31 | 'src/gtest-death-test.cc', | |
| 30 | 32 | 'src/gtest-filepath.cc', | |
| 31 | 33 | 'src/gtest-internal-inl.h', | |
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -0,0 +1,237 @@ | |||
| 1 | + // Copyright 2005, Google Inc. | ||
| 2 | + // All rights reserved. | ||
| 3 | + // | ||
| 4 | + // Redistribution and use in source and binary forms, with or without | ||
| 5 | + // modification, are permitted provided that the following conditions are | ||
| 6 | + // met: | ||
| 7 | + // | ||
| 8 | + // * Redistributions of source code must retain the above copyright | ||
| 9 | + // notice, this list of conditions and the following disclaimer. | ||
| 10 | + // * Redistributions in binary form must reproduce the above | ||
| 11 | + // copyright notice, this list of conditions and the following disclaimer | ||
| 12 | + // in the documentation and/or other materials provided with the | ||
| 13 | + // distribution. | ||
| 14 | + // * Neither the name of Google Inc. nor the names of its | ||
| 15 | + // contributors may be used to endorse or promote products derived from | ||
| 16 | + // this software without specific prior written permission. | ||
| 17 | + // | ||
| 18 | + // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| 19 | + // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| 20 | + // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| 21 | + // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| 22 | + // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 23 | + // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| 24 | + // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| 25 | + // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| 26 | + // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 27 | + // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| 28 | + // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 29 | + | ||
| 30 | + // The Google C++ Testing and Mocking Framework (Google Test) | ||
| 31 | + // | ||
| 32 | + // This file implements the AssertionResult type. | ||
| 33 | + | ||
| 34 | + // IWYU pragma: private, include "gtest/gtest.h" | ||
| 35 | + // IWYU pragma: friend gtest/.* | ||
| 36 | + // IWYU pragma: friend gmock/.* | ||
| 37 | + | ||
| 38 | + #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ | ||
| 39 | + #define GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ | ||
| 40 | + | ||
| 41 | + #include <memory> | ||
| 42 | + #include <ostream> | ||
| 43 | + #include <string> | ||
| 44 | + #include <type_traits> | ||
| 45 | + | ||
| 46 | + #include "gtest/gtest-message.h" | ||
| 47 | + #include "gtest/internal/gtest-port.h" | ||
| 48 | + | ||
| 49 | + GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \ | ||
| 50 | + /* class A needs to have dll-interface to be used by clients of class B */) | ||
| 51 | + | ||
| 52 | + namespace testing { | ||
| 53 | + | ||
| 54 | + // A class for indicating whether an assertion was successful. When | ||
| 55 | + // the assertion wasn't successful, the AssertionResult object | ||
| 56 | + // remembers a non-empty message that describes how it failed. | ||
| 57 | + // | ||
| 58 | + // To create an instance of this class, use one of the factory functions | ||
| 59 | + // (AssertionSuccess() and AssertionFailure()). | ||
| 60 | + // | ||
| 61 | + // This class is useful for two purposes: | ||
| 62 | + // 1. Defining predicate functions to be used with Boolean test assertions | ||
| 63 | + // EXPECT_TRUE/EXPECT_FALSE and their ASSERT_ counterparts | ||
| 64 | + // 2. Defining predicate-format functions to be | ||
| 65 | + // used with predicate assertions (ASSERT_PRED_FORMAT*, etc). | ||
| 66 | + // | ||
| 67 | + // For example, if you define IsEven predicate: | ||
| 68 | + // | ||
| 69 | + // testing::AssertionResult IsEven(int n) { | ||
| 70 | + // if ((n % 2) == 0) | ||
| 71 | + // return testing::AssertionSuccess(); | ||
| 72 | + // else | ||
| 73 | + // return testing::AssertionFailure() << n << " is odd"; | ||
| 74 | + // } | ||
| 75 | + // | ||
| 76 | + // Then the failed expectation EXPECT_TRUE(IsEven(Fib(5))) | ||
| 77 | + // will print the message | ||
| 78 | + // | ||
| 79 | + // Value of: IsEven(Fib(5)) | ||
| 80 | + // Actual: false (5 is odd) | ||
| 81 | + // Expected: true | ||
| 82 | + // | ||
| 83 | + // instead of a more opaque | ||
| 84 | + // | ||
| 85 | + // Value of: IsEven(Fib(5)) | ||
| 86 | + // Actual: false | ||
| 87 | + // Expected: true | ||
| 88 | + // | ||
| 89 | + // in case IsEven is a simple Boolean predicate. | ||
| 90 | + // | ||
| 91 | + // If you expect your predicate to be reused and want to support informative | ||
| 92 | + // messages in EXPECT_FALSE and ASSERT_FALSE (negative assertions show up | ||
| 93 | + // about half as often as positive ones in our tests), supply messages for | ||
| 94 | + // both success and failure cases: | ||
| 95 | + // | ||
| 96 | + // testing::AssertionResult IsEven(int n) { | ||
| 97 | + // if ((n % 2) == 0) | ||
| 98 | + // return testing::AssertionSuccess() << n << " is even"; | ||
| 99 | + // else | ||
| 100 | + // return testing::AssertionFailure() << n << " is odd"; | ||
| 101 | + // } | ||
| 102 | + // | ||
| 103 | + // Then a statement EXPECT_FALSE(IsEven(Fib(6))) will print | ||
| 104 | + // | ||
| 105 | + // Value of: IsEven(Fib(6)) | ||
| 106 | + // Actual: true (8 is even) | ||
| 107 | + // Expected: false | ||
| 108 | + // | ||
| 109 | + // NB: Predicates that support negative Boolean assertions have reduced | ||
| 110 | + // performance in positive ones so be careful not to use them in tests | ||
| 111 | + // that have lots (tens of thousands) of positive Boolean assertions. | ||
| 112 | + // | ||
| 113 | + // To use this class with EXPECT_PRED_FORMAT assertions such as: | ||
| 114 | + // | ||
| 115 | + // // Verifies that Foo() returns an even number. | ||
| 116 | + // EXPECT_PRED_FORMAT1(IsEven, Foo()); | ||
| 117 | + // | ||
| 118 | + // you need to define: | ||
| 119 | + // | ||
| 120 | + // testing::AssertionResult IsEven(const char* expr, int n) { | ||
| 121 | + // if ((n % 2) == 0) | ||
| 122 | + // return testing::AssertionSuccess(); | ||
| 123 | + // else | ||
| 124 | + // return testing::AssertionFailure() | ||
| 125 | + // << "Expected: " << expr << " is even\n Actual: it's " << n; | ||
| 126 | + // } | ||
| 127 | + // | ||
| 128 | + // If Foo() returns 5, you will see the following message: | ||
| 129 | + // | ||
| 130 | + // Expected: Foo() is even | ||
| 131 | + // Actual: it's 5 | ||
| 132 | + // | ||
| 133 | + class GTEST_API_ AssertionResult { | ||
| 134 | + public: | ||
| 135 | + // Copy constructor. | ||
| 136 | + // Used in EXPECT_TRUE/FALSE(assertion_result). | ||
| 137 | + AssertionResult(const AssertionResult& other); | ||
| 138 | + | ||
| 139 | + // C4800 is a level 3 warning in Visual Studio 2015 and earlier. | ||
| 140 | + // This warning is not emitted in Visual Studio 2017. | ||
| 141 | + // This warning is off by default starting in Visual Studio 2019 but can be | ||
| 142 | + // enabled with command-line options. | ||
| 143 | + #if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) | ||
| 144 | + GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 /* forcing value to bool */) | ||
| 145 | + #endif | ||
| 146 | + | ||
| 147 | + // Used in the EXPECT_TRUE/FALSE(bool_expression). | ||
| 148 | + // | ||
| 149 | + // T must be contextually convertible to bool. | ||
| 150 | + // | ||
| 151 | + // The second parameter prevents this overload from being considered if | ||
| 152 | + // the argument is implicitly convertible to AssertionResult. In that case | ||
| 153 | + // we want AssertionResult's copy constructor to be used. | ||
| 154 | + template <typename T> | ||
| 155 | + explicit AssertionResult( | ||
| 156 | + const T& success, | ||
| 157 | + typename std::enable_if< | ||
| 158 | + !std::is_convertible<T, AssertionResult>::value>::type* | ||
| 159 | + /*enabler*/ | ||
| 160 | + = nullptr) | ||
| 161 | + : success_(success) {} | ||
| 162 | + | ||
| 163 | + #if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) | ||
| 164 | + GTEST_DISABLE_MSC_WARNINGS_POP_() | ||
| 165 | + #endif | ||
| 166 | + | ||
| 167 | + // Assignment operator. | ||
| 168 | + AssertionResult& operator=(AssertionResult other) { | ||
| 169 | + swap(other); | ||
| 170 | + return *this; | ||
| 171 | + } | ||
| 172 | + | ||
| 173 | + // Returns true if and only if the assertion succeeded. | ||
| 174 | + operator bool() const { return success_; } // NOLINT | ||
| 175 | + | ||
| 176 | + // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. | ||
| 177 | + AssertionResult operator!() const; | ||
| 178 | + | ||
| 179 | + // Returns the text streamed into this AssertionResult. Test assertions | ||
| 180 | + // use it when they fail (i.e., the predicate's outcome doesn't match the | ||
| 181 | + // assertion's expectation). When nothing has been streamed into the | ||
| 182 | + // object, returns an empty string. | ||
| 183 | + const char* message() const { | ||
| 184 | + return message_.get() != nullptr ? message_->c_str() : ""; | ||
| 185 | + } | ||
| 186 | + // Deprecated; please use message() instead. | ||
| 187 | + const char* failure_message() const { return message(); } | ||
| 188 | + | ||
| 189 | + // Streams a custom failure message into this object. | ||
| 190 | + template <typename T> | ||
| 191 | + AssertionResult& operator<<(const T& value) { | ||
| 192 | + AppendMessage(Message() << value); | ||
| 193 | + return *this; | ||
| 194 | + } | ||
| 195 | + | ||
| 196 | + // Allows streaming basic output manipulators such as endl or flush into | ||
| 197 | + // this object. | ||
| 198 | + AssertionResult& operator<<( | ||
| 199 | + ::std::ostream& (*basic_manipulator)(::std::ostream& stream)) { | ||
| 200 | + AppendMessage(Message() << basic_manipulator); | ||
| 201 | + return *this; | ||
| 202 | + } | ||
| 203 | + | ||
| 204 | + private: | ||
| 205 | + // Appends the contents of message to message_. | ||
| 206 | + void AppendMessage(const Message& a_message) { | ||
| 207 | + if (message_.get() == nullptr) message_.reset(new ::std::string); | ||
| 208 | + message_->append(a_message.GetString().c_str()); | ||
| 209 | + } | ||
| 210 | + | ||
| 211 | + // Swap the contents of this AssertionResult with other. | ||
| 212 | + void swap(AssertionResult& other); | ||
| 213 | + | ||
| 214 | + // Stores result of the assertion predicate. | ||
| 215 | + bool success_; | ||
| 216 | + // Stores the message describing the condition in case the expectation | ||
| 217 | + // construct is not satisfied with the predicate's outcome. | ||
| 218 | + // Referenced via a pointer to avoid taking too much stack frame space | ||
| 219 | + // with test assertions. | ||
| 220 | + std::unique_ptr< ::std::string> message_; | ||
| 221 | + }; | ||
| 222 | + | ||
| 223 | + // Makes a successful assertion result. | ||
| 224 | + GTEST_API_ AssertionResult AssertionSuccess(); | ||
| 225 | + | ||
| 226 | + // Makes a failed assertion result. | ||
| 227 | + GTEST_API_ AssertionResult AssertionFailure(); | ||
| 228 | + | ||
| 229 | + // Makes a failed assertion result with the given failure message. | ||
| 230 | + // Deprecated; use AssertionFailure() << msg. | ||
| 231 | + GTEST_API_ AssertionResult AssertionFailure(const Message& msg); | ||
| 232 | + | ||
| 233 | + } // namespace testing | ||
| 234 | + | ||
| 235 | + GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251 | ||
| 236 | + | ||
| 237 | + #endif // GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ | ||
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