/*
* Created on Jul 26, 2009
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright @2009-2013 the original author or authors.
*/
package org.fest.swing.core;
import static org.fest.assertions.Assertions.assertThat;
import static org.fest.swing.edt.GuiActionRunner.execute;
import static org.fest.util.Arrays.array;
import static org.fest.util.Preconditions.checkNotNull;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import javax.annotation.Nonnull;
import javax.swing.JList;
import javax.swing.JScrollPane;
import org.fest.swing.annotation.RunsInEDT;
import org.fest.swing.edt.GuiQuery;
import org.fest.swing.edt.GuiTask;
import org.junit.Test;
/**
* Tests for {@link BasicRobot#rotateMouseWheel(java.awt.Component, int)}.
*
* @author Yvonne Wang
* @author Alex Ruiz
*/
public class BasicRobot_rotateMouseWheelTest extends BasicRobot_TestCase {
private JList list;
private JScrollPane scrollPane;
@RunsInEDT
@Override
void beforeShowingWindow() {
execute(new GuiTask() {
@Override
protected void executeInEDT() {
list = new JList(array("One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight"));
scrollPane = new JScrollPane(list);
scrollPane.setPreferredSize(new Dimension(300, 100));
window().add(scrollPane);
}
});
}
@Test
public void should_rotate_mouse_wheel() {
assertThat(firstVisibleIndexOf(list)).isEqualTo(0);
MouseWheelRecorder recorder = MouseWheelRecorder.attachTo(scrollPane);
int amount = 50;
robot().rotateMouseWheel(list, amount);
assertThat(recorder.wheelRotation()).isEqualTo(amount);
assertThat(firstVisibleIndexOf(list)).isGreaterThan(0);
}
@RunsInEDT
private static int firstVisibleIndexOf(final JList list) {
Integer result = execute(new GuiQuery<Integer>() {
@Override
protected Integer executeInEDT() {
return list.getFirstVisibleIndex();
}
});
return checkNotNull(result);
}
private static class MouseWheelRecorder implements MouseWheelListener {
private int wheelRotation;
static @Nonnull MouseWheelRecorder attachTo(@Nonnull Component c) {
MouseWheelRecorder recorder = new MouseWheelRecorder();
c.addMouseWheelListener(recorder);
return recorder;
}
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
wheelRotation = e.getWheelRotation();
}
int wheelRotation() {
return wheelRotation;
}
}
}