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_ 67
