org.aspectj/docs/teaching/exercises/tests/Test4b.java

/* *******************************************************************
 * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
 * 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: 
 *     PARC     initial implementation 
 * ******************************************************************/

package tests;

import figures.*;
import java.awt.Rectangle;

import junit.framework.*;

public class Test4b extends Test {

    public Test4b(String name) { super(name); }

    public static void main(String[] args) {
        junit.textui.TestRunner.run(Test4b.class);
    }

    public void setUp() {
        super.setUp();
    }

    public void testBasicEquality() {
	assertTrue(g.getBounds() == g.getBounds());
    }

    public void testEqualityAfterAddition() {
	Point p0 = new Point(1, 2);
	Point p1 = new Point(2, 3);

	Group g0 = new Group(p0);
	Group g1 = new Group(p1);

	Rectangle r0 = g0.getBounds();
	Rectangle r1 = g1.getBounds();
	assertTrue(r0 != r1);
	g0.add(new Point(37, 90));
	assertTrue(g0.getBounds() == r0);
	assertTrue(g1.getBounds() != r0);
	assertTrue(g0.getBounds() != r1);
	assertTrue(g1.getBounds() == r1);

	g1.add(new Point(4, 8));
	assertTrue(g0.getBounds() == r0);
	assertTrue(g1.getBounds() != r0);
	assertTrue(g0.getBounds() != r1);
	assertTrue(g1.getBounds() == r1);
    }

    public void testNotWholeCanvas() {
        assertTrue("bounds for this group should not be the whole canvas",
                   g.getBounds().getWidth() <
                   (FigureElement.MAX_VALUE - FigureElement.MIN_VALUE));
        assertTrue("bounds for this group should not be the whole canvas",
                   g.getBounds().getHeight() <
                   (FigureElement.MAX_VALUE - FigureElement.MIN_VALUE));

    }
}