tests/org.eclipse.ui.tests/Eclipse UI Tests/org/eclipse/ui/tests/api/EditorIconTest.java

/*******************************************************************************
 * Copyright (c) 2004 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.api;

import java.util.Arrays;

import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.tests.util.UITestCase;

/**
 * Tests to ensure that various icon scenarios work.  These are tested on 
 * editors but should be applicable for any client of 
 * AbstractUIPlugin.imageDescriptorFromPlugin()
 * 
 * @since 3.0
 */
public class EditorIconTest extends UITestCase {

    /**
     * @param testName
     */
    public EditorIconTest(String testName) {
        super(testName);
    }

    public void testDependantBundleIcon() {
        Image i1 = fWorkbench.getEditorRegistry().getDefaultEditor(
                "foo.icontest1").getImageDescriptor().createImage();
        Image i2 = AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ui",
                "icons/full/obj16/font.gif").createImage();
        compareImages(i1, i2);
    }

    public void testNonDependantBundleIcon() {
        Image i1 = fWorkbench.getEditorRegistry().getDefaultEditor(
                "foo.icontest2").getImageDescriptor().createImage();
        Image i2 = AbstractUIPlugin.imageDescriptorFromPlugin(
                "org.eclipse.jdt.ui", "icons/full/obj16/class_obj.gif")
                .createImage();
        compareImages(i1, i2);
    }

    public void testBadIcon() {
        Image i1 = fWorkbench.getEditorRegistry().getDefaultEditor(
                "foo.icontest3").getImageDescriptor().createImage();
        Image i2 = AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ui",
                "icons/full/obj16/file_obj.gif").createImage();
        compareImages(i1, i2);
    }

    private void compareImages(Image i1, Image i2) {
        ImageData data1 = i1.getImageData();
        ImageData data2 = i2.getImageData();
        assertTrue(Arrays.equals(data1.data, data2.data));
    }
}