/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.ui.tests.keys;

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.harness.util.AutomationUtil;
import org.eclipse.ui.tests.harness.util.UITestCase;

/**
 * Test for Bug 43610.
 * 
 * @since 3.0
 */
public class Bug43610Test extends UITestCase {

    /**
     * Constructs a new instance of this test case.
     * 
     * @param testName
     *            The name of the test
     */
    public Bug43610Test(String testName) {
        super(testName);
    }

    /**
     * Tests that if "Shift+Alt+" is pressed, then the key code should
     * represent the "Alt+" key press.
     */
    public void testShiftAlt() {
        // Set up a working environment.
        Display display = Display.getCurrent();
        Listener listener = new Listener() {
            public void handleEvent(Event event) {
                if (event.stateMask == SWT.SHIFT) {
                    assertEquals(
                            "Incorrect key code for 'Shift+Alt+'", SWT.ALT, event.keyCode); //$NON-NLS-1$
                }
            }
        };
        display.addFilter(SWT.KeyDown, listener);
        
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyDown, SWT.SHIFT);
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyDown, SWT.ALT);
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyUp, SWT.ALT);
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyUp, SWT.SHIFT);
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyDown, SWT.ESC);
        AutomationUtil.performKeyCodeEvent(display, SWT.KeyUp, SWT.ESC);
	
        while (display.readAndDispatch())
            ;

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