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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/browser/controller.h"
#include "base/logging.h"
#include "testing/gtest/include/gtest/gtest.h"
class TestingCommandHandlerMock : public CommandHandler {
public:
virtual void ExecuteCommand(int id) {
EXPECT_EQ(1, id);
}
};
class CommandControllerTest : public testing::Test {
public:
CommandControllerTest() : controller_(&handler_) { }
protected:
CommandController controller_;
TestingCommandHandlerMock handler_;
};
class TestingCommandObserverMock : public CommandObserver {
public:
virtual void SetEnabled(bool enabled) {
enabled_ = enabled;
}
bool enabled() {
return enabled_;
}
private:
bool enabled_;
};
TEST_F(CommandControllerTest, TestBasicAPI) {
// Unsupported command
EXPECT_FALSE(controller_.SupportsCommand(0));
EXPECT_FALSE(controller_.IsCommandEnabled(0));
// TestingCommandHandlerMock::ExecuteCommand should not be called, since
// the command is not supported.
controller_.ExecuteCommand(0);
// Supported, enabled command
controller_.UpdateCommandEnabled(1, true);
EXPECT_TRUE(controller_.SupportsCommand(1));
EXPECT_TRUE(controller_.IsCommandEnabled(1));
controller_.ExecuteCommand(1);
// Supported, disabled command
controller_.UpdateCommandEnabled(2, false);
EXPECT_TRUE(controller_.SupportsCommand(2));
EXPECT_FALSE(controller_.IsCommandEnabled(2));
// TestingCommandHandlerMock::ExecuteCommmand should not be called, since
// the command is disabled
controller_.ExecuteCommand(2);
}
TEST_F(CommandControllerTest, TestObservers) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Create an observer for the command 2 and add it to the controller, then
// update the command.
TestingCommandObserverMock observer;
controller_.AddCommandObserver(2, &observer);
controller_.UpdateCommandEnabled(2, true);
EXPECT_TRUE(observer.enabled());
controller_.UpdateCommandEnabled(2, false);
EXPECT_FALSE(observer.enabled());
// Remove the observer and update the command.
controller_.RemoveCommandObserver(2, &observer);
controller_.UpdateCommandEnabled(2, true);
EXPECT_FALSE(observer.enabled());
}
TEST_F(CommandControllerTest, TestRemoveObserverForUnsupportedCommand) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Test removing observers for commands that are unsupported
TestingCommandObserverMock observer;
controller_.RemoveCommandObserver(3, &observer);
}
TEST_F(CommandControllerTest, TestAddingNullObserver) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Test adding/removing NULL observers
controller_.AddCommandObserver(4, NULL);
}
TEST_F(CommandControllerTest, TestRemovingNullObserver) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
controller_.RemoveCommandObserver(4, NULL);
}
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