| // Copyright (c) 2006-2008 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 "base/logging.h" |
| #include "chrome/browser/command_updater.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| class TestingCommandHandlerMock |
| : public CommandUpdater::CommandUpdaterDelegate { |
| public: |
| virtual void ExecuteCommand(int id) { |
| EXPECT_EQ(1, id); |
| } |
| }; |
| |
| class CommandUpdaterTest : public testing::Test { |
| }; |
| |
| class TestingCommandObserverMock : public CommandUpdater::CommandObserver { |
| public: |
| virtual void EnabledStateChangedForCommand(int id, bool enabled) { |
| enabled_ = enabled; |
| } |
| |
| bool enabled() const { return enabled_; } |
| |
| private: |
| bool enabled_; |
| }; |
| |
| TEST_F(CommandUpdaterTest, TestBasicAPI) { |
| TestingCommandHandlerMock handler; |
| CommandUpdater command_updater(&handler); |
| |
| // Unsupported command |
| EXPECT_FALSE(command_updater.SupportsCommand(0)); |
| EXPECT_FALSE(command_updater.IsCommandEnabled(0)); |
| // TestingCommandHandlerMock::ExecuteCommand should not be called, since |
| // the command is not supported. |
| command_updater.ExecuteCommand(0); |
| |
| // Supported, enabled command |
| command_updater.UpdateCommandEnabled(1, true); |
| EXPECT_TRUE(command_updater.SupportsCommand(1)); |
| EXPECT_TRUE(command_updater.IsCommandEnabled(1)); |
| command_updater.ExecuteCommand(1); |
| |
| // Supported, disabled command |
| command_updater.UpdateCommandEnabled(2, false); |
| EXPECT_TRUE(command_updater.SupportsCommand(2)); |
| EXPECT_FALSE(command_updater.IsCommandEnabled(2)); |
| // TestingCommandHandlerMock::ExecuteCommmand should not be called, since |
| // the command_updater is disabled |
| command_updater.ExecuteCommand(2); |
| } |
| |
| TEST_F(CommandUpdaterTest, TestObservers) { |
| TestingCommandHandlerMock handler; |
| CommandUpdater command_updater(&handler); |
| |
| // Create an observer for the command 2 and add it to the controller, then |
| // update the command. |
| TestingCommandObserverMock observer; |
| command_updater.AddCommandObserver(2, &observer); |
| command_updater.UpdateCommandEnabled(2, true); |
| EXPECT_TRUE(observer.enabled()); |
| command_updater.UpdateCommandEnabled(2, false); |
| EXPECT_FALSE(observer.enabled()); |
| |
| // Remove the observer and update the command. |
| command_updater.RemoveCommandObserver(2, &observer); |
| command_updater.UpdateCommandEnabled(2, true); |
| EXPECT_FALSE(observer.enabled()); |
| } |
| |
| TEST_F(CommandUpdaterTest, TestRemoveObserverForUnsupportedCommand) { |
| TestingCommandHandlerMock handler; |
| CommandUpdater command_updater(&handler); |
| |
| // Test removing observers for commands that are unsupported |
| TestingCommandObserverMock observer; |
| command_updater.RemoveCommandObserver(3, &observer); |
| } |
| |
| TEST_F(CommandUpdaterTest, TestAddingNullObserver) { |
| TestingCommandHandlerMock handler; |
| CommandUpdater command_updater(&handler); |
| |
| // Test adding/removing NULL observers |
| command_updater.AddCommandObserver(4, NULL); |
| } |
| |
| TEST_F(CommandUpdaterTest, TestRemovingNullObserver) { |
| TestingCommandHandlerMock handler; |
| CommandUpdater command_updater(&handler); |
| |
| command_updater.RemoveCommandObserver(4, NULL); |
| } |