/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/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. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * ------------------------------ * WaterfallBarRendererTests.java * ------------------------------ * (C) Copyright 2003-2009, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 21-Oct-2003 : Version 1 (DG); * 23-Apr-2008 : Added testPublicCloneable() (DG); * 04-Feb-2009 : Added testFindRangeBounds() (DG); * */ package org.jfree.chart.renderer.category; import org.jfree.chart.util.PublicCloneable; import org.junit.Test; import java.awt.Color; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; /** * Tests for the {@link WaterfallBarRenderer} class. */ public class WaterfallBarRendererTest { /** * Some tests for the findRangeBounds() method. */ @Test public void testFindRangeBounds() { WaterfallBarRenderer r = new WaterfallBarRenderer(); assertNull(r.findRangeBounds(null)); } /** * Check that the equals() method distinguishes all fields. */ @Test public void testEquals() { WaterfallBarRenderer r1 = new WaterfallBarRenderer(); WaterfallBarRenderer r2 = new WaterfallBarRenderer(); assertEquals(r1, r2); // firstBarPaint; r1.setFirstBarPaint(Color.cyan); assertFalse(r1.equals(r2)); r2.setFirstBarPaint(Color.cyan); assertEquals(r1, r2); // lastBarPaint; r1.setLastBarPaint(Color.cyan); assertFalse(r1.equals(r2)); r2.setLastBarPaint(Color.cyan); assertEquals(r1, r2); // positiveBarPaint; r1.setPositiveBarPaint(Color.cyan); assertFalse(r1.equals(r2)); r2.setPositiveBarPaint(Color.cyan); assertEquals(r1, r2); //private Paint negativeBarPaint; r1.setNegativeBarPaint(Color.cyan); assertFalse(r1.equals(r2)); r2.setNegativeBarPaint(Color.cyan); assertEquals(r1, r2); } /** * Two objects that are equal are required to return the same hashCode. */ @Test public void testHashcode() { WaterfallBarRenderer r1 = new WaterfallBarRenderer(); WaterfallBarRenderer r2 = new WaterfallBarRenderer(); assertEquals(r1, r2); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { WaterfallBarRenderer r1 = new WaterfallBarRenderer(); WaterfallBarRenderer r2 = (WaterfallBarRenderer) r1.clone(); assertNotSame(r1, r2); assertSame(r1.getClass(), r2.getClass()); assertEquals(r1, r2); // quick check for independence r1.setFirstBarPaint(Color.yellow); assertFalse(r1.equals(r2)); r2.setFirstBarPaint(Color.yellow); assertEquals(r1, r2); } /** * Check that this class implements PublicCloneable. */ @Test public void testPublicCloneable() { WaterfallBarRenderer r1 = new WaterfallBarRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() throws IOException, ClassNotFoundException { WaterfallBarRenderer r1 = new WaterfallBarRenderer(); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); WaterfallBarRenderer r2 = (WaterfallBarRenderer) in.readObject(); in.close(); assertEquals(r1, r2); } }