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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome_frame/scoped_initialization_manager.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using ::testing::InSequence;
// Initialization traits that delegate to a registered delegate instance.
class TestInitializationTraits {
public:
class Delegate {
public:
virtual void Initialize() = 0;
virtual void Shutdown() = 0;
};
static void SetDelegate(Delegate* delegate) {
delegate_ = delegate;
}
static void Initialize() {
ASSERT_TRUE(delegate_ != NULL);
delegate_->Initialize();
}
static void Shutdown() {
ASSERT_TRUE(delegate_ != NULL);
delegate_->Shutdown();
}
private:
static Delegate* delegate_;
};
TestInitializationTraits::Delegate* TestInitializationTraits::delegate_ = NULL;
// A mock delegate for use in tests.
class MockInitializationTraitsDelegate
: public TestInitializationTraits::Delegate {
public:
MOCK_METHOD0(Initialize, void());
MOCK_METHOD0(Shutdown, void());
};
// A test fixture that sets up a mock traits delegate for use in tests.
class ScopedInitializationManagerTest : public ::testing::Test {
protected:
// A manager type that will invoke methods
typedef chrome_frame::ScopedInitializationManager<TestInitializationTraits>
TestScopedInitializationManager;
virtual void SetUp() OVERRIDE {
TestInitializationTraits::SetDelegate(&mock_traits_delegate_);
}
virtual void TearDown() OVERRIDE {
TestInitializationTraits::SetDelegate(NULL);
}
MockInitializationTraitsDelegate mock_traits_delegate_;
};
// Test that Initialize and Shutdown are called in order for the simple case.
TEST_F(ScopedInitializationManagerTest, InitializeAndShutdown) {
{
InSequence dummy;
EXPECT_CALL(mock_traits_delegate_, Initialize());
EXPECT_CALL(mock_traits_delegate_, Shutdown());
}
TestScopedInitializationManager test_manager;
}
// Test that Initialize and Shutdown are called in order only once despite
// multiple instances.
TEST_F(ScopedInitializationManagerTest, InitializeAndShutdownOnlyOnce) {
{
InSequence dummy;
EXPECT_CALL(mock_traits_delegate_, Initialize());
EXPECT_CALL(mock_traits_delegate_, Shutdown());
}
TestScopedInitializationManager test_manager_1;
TestScopedInitializationManager test_manager_2;
TestScopedInitializationManager test_manager_3;
}
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