tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/keys/Bug43538Test.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.ui.tests.keys;

import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.tests.util.UITestCase;

/**
 * Test for Bug 43538.
 * 
 * @since 3.0
 */
public class Bug43538Test extends UITestCase {

	/**
	 * Constructs a new instance of this test case.
	 * 
	 * @param testName
	 *            The name of the test
	 */
	public Bug43538Test(String testName) {
		super(testName);
	}

	/**
	 * Tests that if "Shift+Alt+" is pressed, then the key code should
	 * represent the "Alt+" key press.
	 */
	public void testShiftAlt() throws AWTException {
		// Set up a working environment.
		Display display = Display.getCurrent();
		Listener listener = new Listener() {
			int count = 0;
			public void handleEvent(Event event) {
				if (event.stateMask == SWT.CTRL) {
					assertEquals("Multiple key down events for 'Ctrl+Space'", 0, count++); //$NON-NLS-1$
				}
			}
		};
		display.addFilter(SWT.KeyDown, listener);

		// Test.
		Robot robot = new Robot();
		robot.keyPress(KeyEvent.VK_CONTROL);
		robot.keyPress(KeyEvent.VK_SPACE);
		robot.keyRelease(KeyEvent.VK_SPACE);
		robot.keyRelease(KeyEvent.VK_CONTROL);
		while (display.readAndDispatch());

		// Clean up the working environment.
		display.removeFilter(SWT.KeyDown, listener);
	}
}