ToolUtilitiesTest.java

/*******************************************************************************
 * Copyright (c) 2006, 2010 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.gef.test;

import junit.framework.TestCase;

import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.IFigure;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.editparts.AbstractGraphicalEditPart;
import org.eclipse.gef.tools.ToolUtilities;

public class ToolUtilitiesTest extends TestCase {
	/**
	 * @see TestCase#setUp()
	 */
	protected void setUp() throws Exception {
		super.setUp();
	}

	/**
	 * @see TestCase#tearDown()
	 */
	protected void tearDown() throws Exception {
		super.tearDown();
	}

	private static class TestGraphicalEditPart extends
			AbstractGraphicalEditPart {

		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#activate()
		 */
		public void addChild(EditPart ep) {
			addChild(ep, 0);
		}

		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.gef.editparts.AbstractEditPart#register()
		 */
		protected void register() {
			// do nothing
		}

		/*
		 * (non-Javadoc)
		 * 
		 * @see
		 * org.eclipse.gef.editparts.AbstractGraphicalEditPart#createFigure()
		 */
		protected IFigure createFigure() {
			// TODO Auto-generated method stub
			return new Figure();
		}

		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.gef.editparts.AbstractEditPart#createEditPolicies()
		 */
		protected void createEditPolicies() {
			// do nothing
		}
	}

	public void test_findCommonAncestor_happypath() {
		TestGraphicalEditPart editpartParent = new TestGraphicalEditPart();
		TestGraphicalEditPart editpartChild1 = new TestGraphicalEditPart();
		TestGraphicalEditPart editpartChild2 = new TestGraphicalEditPart();
		TestGraphicalEditPart editpartChild3 = new TestGraphicalEditPart();

		editpartParent.addChild(editpartChild1);
		editpartChild1.addChild(editpartChild2);
		editpartParent.addChild(editpartChild3);

		EditPart result = ToolUtilities.findCommonAncestor(editpartChild2,
				editpartChild3);
		assertTrue(editpartParent == result);
	}

	public void test_findCommonAncestor_bugzilla130042() {
		TestGraphicalEditPart editpartParent = new TestGraphicalEditPart();
		EditPart editpartChild = new TestGraphicalEditPart();
		editpartParent.addChild(editpartChild);

		EditPart result = ToolUtilities.findCommonAncestor(editpartParent,
				editpartChild);
		assertTrue(editpartParent == result);
	}
}