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| 1 // Copyright 2013 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 #include "chrome_frame/scoped_initialization_manager.h" | |
| 6 #include "gmock/gmock.h" | |
| 7 #include "gtest/gtest.h" | |
| 8 | |
| 9 using ::testing::InSequence; | |
| 10 | |
| 11 // Initialization traits that delegate to a registered delegate instance. | |
| 12 class TestInitializationTraits { | |
| 13 public: | |
| 14 class Delegate { | |
| 15 public: | |
| 16 virtual void Initialize() = 0; | |
| 17 virtual void Shutdown() = 0; | |
| 18 }; | |
| 19 | |
| 20 static void SetDelegate(Delegate* delegate) { | |
| 21 delegate_ = delegate; | |
| 22 } | |
| 23 | |
| 24 static void Initialize() { | |
| 25 ASSERT_TRUE(delegate_ != NULL); | |
| 26 delegate_->Initialize(); | |
| 27 } | |
| 28 | |
| 29 static void Shutdown() { | |
| 30 ASSERT_TRUE(delegate_ != NULL); | |
| 31 delegate_->Shutdown(); | |
| 32 } | |
| 33 | |
| 34 private: | |
| 35 static Delegate* delegate_; | |
| 36 }; | |
| 37 | |
| 38 TestInitializationTraits::Delegate* TestInitializationTraits::delegate_ = NULL; | |
| 39 | |
| 40 // A mock delegate for use in tests. | |
| 41 class MockInitializationTraitsDelegate | |
| 42 : public TestInitializationTraits::Delegate { | |
| 43 public: | |
| 44 MOCK_METHOD0(Initialize, void()); | |
| 45 MOCK_METHOD0(Shutdown, void()); | |
| 46 }; | |
| 47 | |
| 48 // A test fixture that sets up a mock traits delegate for use in tests. | |
| 49 class ScopedInitializationManagerTest : public ::testing::Test { | |
| 50 protected: | |
| 51 // A manager type that will invoke methods | |
| 52 typedef chrome_frame::ScopedInitializationManager<TestInitializationTraits> | |
| 53 TestScopedInitializationManager; | |
| 54 | |
| 55 virtual void SetUp() OVERRIDE { | |
| 56 TestInitializationTraits::SetDelegate(&mock_traits_delegate_); | |
| 57 } | |
| 58 virtual void TearDown() OVERRIDE { | |
| 59 TestInitializationTraits::SetDelegate(NULL); | |
| 60 } | |
| 61 | |
| 62 MockInitializationTraitsDelegate mock_traits_delegate_; | |
| 63 }; | |
| 64 | |
| 65 // Test that Initialize and Shutdown are called in order for the simple case. | |
| 66 TEST_F(ScopedInitializationManagerTest, InitializeAndShutdown) { | |
| 67 { | |
| 68 InSequence dummy; | |
| 69 EXPECT_CALL(mock_traits_delegate_, Initialize()); | |
| 70 EXPECT_CALL(mock_traits_delegate_, Shutdown()); | |
| 71 } | |
| 72 TestScopedInitializationManager test_manager; | |
| 73 } | |
| 74 | |
| 75 // Test that Initialize and Shutdown are called in order only once despite | |
| 76 // multiple instances. | |
| 77 TEST_F(ScopedInitializationManagerTest, InitializeAndShutdownOnlyOnce) { | |
| 78 { | |
| 79 InSequence dummy; | |
| 80 EXPECT_CALL(mock_traits_delegate_, Initialize()); | |
| 81 EXPECT_CALL(mock_traits_delegate_, Shutdown()); | |
| 82 } | |
| 83 TestScopedInitializationManager test_manager_1; | |
| 84 TestScopedInitializationManager test_manager_2; | |
| 85 TestScopedInitializationManager test_manager_3; | |
| 86 } | |
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