/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------------------
* ShapeUtilitiesTests.java
* ------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: ShapeUtilitiesTests.java,v 1.9 2008/06/02 06:58:28 mungady Exp $
*
* Changes
* -------
* 26-Oct-2004 : Version 1 (DG);
* 10-Nov-2004 : Extended test for equal shapes to include Ellipse2D (DG);
* 16-Mar-2005 : Extended test for equal shapes to include Polygon (DG);
* 26-Sep-2007 : Removed a couple of checks that don't hold on JRE 1.6 and
* later (DG);
* 01-Jun-2008 : Added testEqualGeneralPaths() (DG);
*
*/
package org.jfree.util.junit;
import java.awt.Polygon;
import java.awt.Shape;
import java.awt.geom.Arc2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.util.ShapeUtilities;
/**
* Tests for the {@link ShapeUtilities} class.
*/
public class ShapeUtilitiesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(ShapeUtilitiesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public ShapeUtilitiesTests(final String name) {
super(name);
}
/**
* Tests the equal() method.
*/
public void testEqualLine2Ds() {
assertTrue(ShapeUtilities.equal((Line2D) null, (Line2D) null));
Line2D l1 = new Line2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
Line2D l2 = new Line2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
l1 = new Line2D.Float(4.0f, 3.0f, 2.0f, 1.0f);
assertFalse(ShapeUtilities.equal(l1, l2));
l2 = new Line2D.Float(4.0f, 3.0f, 2.0f, 1.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
l1 = new Line2D.Double(4.0f, 3.0f, 2.0f, 1.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
}
/**
* Some checks for the equal(Shape, Shape) method.
*/
public void testEqualShapes() {
// NULL
Shape s1 = null;
Shape s2 = null;
assertTrue(ShapeUtilities.equal(s1, s2));
// LINE2D
s1 = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
assertFalse(ShapeUtilities.equal(s1, s2));
s2 = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
assertTrue(ShapeUtilities.equal(s1, s2));
assertFalse(s1.equals(s2));
// RECTANGLE2D
s1 = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
assertFalse(ShapeUtilities.equal(s1, s2));
s2 = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
assertTrue(ShapeUtilities.equal(s1, s2));
assertTrue(s1.equals(s2)); // Rectangle2D overrides equals()
// ELLIPSE2D
s1 = new Ellipse2D.Double(1.0, 2.0, 3.0, 4.0);
assertFalse(ShapeUtilities.equal(s1, s2));
s2 = new Ellipse2D.Double(1.0, 2.0, 3.0, 4.0);
assertTrue(ShapeUtilities.equal(s1, s2));
// ARC2D
s1 = new Arc2D.Double(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, Arc2D.PIE);
assertFalse(ShapeUtilities.equal(s1, s2));
s2 = new Arc2D.Double(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, Arc2D.PIE);
assertTrue(ShapeUtilities.equal(s1, s2));
// POLYGON
Polygon p1 = new Polygon(new int[] {0, 1, 0}, new int[] {1, 0, 1}, 3);
Polygon p2 = new Polygon(new int[] {1, 1, 0}, new int[] {1, 0, 1}, 3);
s1 = p1;
s2 = p2;
assertFalse(ShapeUtilities.equal(s1, s2));
p2 = new Polygon(new int[] {0, 1, 0}, new int[] {1, 0, 1}, 3);
s2 = p2;
assertTrue(ShapeUtilities.equal(s1, s2));
// GENERALPATH
GeneralPath g1 = new GeneralPath();
g1.moveTo(1.0f, 2.0f);
g1.lineTo(3.0f, 4.0f);
g1.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g1.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g1.closePath();
s1 = g1;
assertFalse(ShapeUtilities.equal(s1, s2));
GeneralPath g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.closePath();
s2 = g2;
assertTrue(ShapeUtilities.equal(s1, s2));
assertFalse(s1.equals(s2));
}
/**
* Some checks for the intersects() method,
*/
public void testIntersects() {
final Rectangle2D r1 = new Rectangle2D.Float(0, 0, 100, 100);
final Rectangle2D r2 = new Rectangle2D.Float(0, 0, 100, 100);
assertTrue(ShapeUtilities.intersects(r1, r2));
r1.setRect(100, 0, 100, 0);
assertTrue(ShapeUtilities.intersects(r1, r2));
assertTrue(ShapeUtilities.intersects(r2, r1));
r1.setRect(0, 0, 0, 0);
assertTrue(ShapeUtilities.intersects(r1, r2));
assertTrue(ShapeUtilities.intersects(r2, r1));
r1.setRect(50, 50, 10, 0);
assertTrue(ShapeUtilities.intersects(r1, r2));
assertTrue(ShapeUtilities.intersects(r2, r1));
}
/**
* Some checks for the equal(GeneralPath, GeneralPath) method.
*/
public void testEqualGeneralPaths() {
GeneralPath g1 = new GeneralPath();
g1.moveTo(1.0f, 2.0f);
g1.lineTo(3.0f, 4.0f);
g1.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g1.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g1.closePath();
GeneralPath g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.closePath();
assertTrue(ShapeUtilities.equal(g1, g2));
g2 = new GeneralPath();
g2.moveTo(11.0f, 22.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.closePath();
assertFalse(ShapeUtilities.equal(g1, g2));
g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(33.0f, 44.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.closePath();
assertFalse(ShapeUtilities.equal(g1, g2));
g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(55.0f, 66.0f, 77.0f, 88.0f, 99.0f, 100.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.closePath();
assertFalse(ShapeUtilities.equal(g1, g2));
g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(11.0f, 22.0f, 33.0f, 44.0f);
g2.closePath();
assertFalse(ShapeUtilities.equal(g1, g2));
g2 = new GeneralPath();
g2.moveTo(1.0f, 2.0f);
g2.lineTo(3.0f, 4.0f);
g2.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g2.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g2.lineTo(3.0f, 4.0f);
g2.closePath();
assertFalse(ShapeUtilities.equal(g1, g2));
}
}