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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_GTEST_PROD_UTIL_H_ | |
| 6 #define BASE_GTEST_PROD_UTIL_H_ | |
| 7 | |
| 8 #include "testing/gtest/include/gtest/gtest_prod.h" | |
| 9 | |
| 10 // This is a wrapper for gtest's FRIEND_TEST macro that friends | |
| 11 // test with all possible prefixes. This is very helpful when changing the test | |
| 12 // prefix, because the friend declarations don't need to be updated. | |
| 13 // | |
| 14 // Example usage: | |
| 15 // | |
| 16 // class MyClass { | |
| 17 // private: | |
| 18 // void MyMethod(); | |
| 19 // FRIEND_TEST_ALL_PREFIXES(MyClassTest, MyMethod); | |
| 20 // }; | |
| 21 #define FRIEND_TEST_ALL_PREFIXES(test_case_name, test_name) \ | |
| 22 FRIEND_TEST(test_case_name, test_name); \ | |
| 23 FRIEND_TEST(test_case_name, DISABLED_##test_name); \ | |
| 24 FRIEND_TEST(test_case_name, FLAKY_##test_name) | |
| 25 | |
| 26 // C++ compilers will refuse to compile the following code: | |
| 27 // | |
| 28 // namespace foo { | |
| 29 // class MyClass { | |
| 30 // private: | |
| 31 // FRIEND_TEST_ALL_PREFIXES(MyClassTest, TestMethod); | |
| 32 // bool private_var; | |
| 33 // }; | |
| 34 // } // namespace foo | |
| 35 // | |
| 36 // class MyClassTest::TestMethod() { | |
| 37 // foo::MyClass foo_class; | |
| 38 // foo_class.private_var = true; | |
| 39 // } | |
| 40 // | |
| 41 // Unless you forward declare MyClassTest::TestMethod outside of namespace foo. | |
| 42 // Use FORWARD_DECLARE_TEST to do so for all possible prefixes. | |
| 43 // | |
| 44 // Example usage: | |
| 45 // | |
| 46 // FORWARD_DECLARE_TEST(MyClassTest, TestMethod); | |
| 47 // | |
| 48 // namespace foo { | |
| 49 // class MyClass { | |
| 50 // private: | |
| 51 // FRIEND_TEST_ALL_PREFIXES(::MyClassTest, TestMethod); // NOTE use of :: | |
| 52 // bool private_var; | |
| 53 // }; | |
| 54 // } // namespace foo | |
| 55 // | |
| 56 // class MyClassTest::TestMethod() { | |
| 57 // foo::MyClass foo_class; | |
| 58 // foo_class.private_var = true; | |
| 59 // } | |
| 60 | |
| 61 #define FORWARD_DECLARE_TEST(test_case_name, test_name) \ | |
| 62 class test_case_name##_##test_name##_Test; \ | |
| 63 class test_case_name##_##DISABLED_##test_name##_Test; \ | |
| 64 class test_case_name##_##FLAKY_##test_name##_Test | |
| 65 | |
| 66 #endif // BASE_GTEST_PROD_UTIL_H_ | |
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