001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ------------------------
028: * VectorRendererTests.java
029: * ------------------------
030: * (C) Copyright 2007, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: VectorRendererTests.java,v 1.1.2.1 2007/06/13 10:26:46 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 30-Jan-2007 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.renderer.xy.junit;
044:
045: import java.awt.Color;
046: import java.io.ByteArrayInputStream;
047: import java.io.ByteArrayOutputStream;
048: import java.io.ObjectInput;
049: import java.io.ObjectInputStream;
050: import java.io.ObjectOutput;
051: import java.io.ObjectOutputStream;
052:
053: import junit.framework.Test;
054: import junit.framework.TestCase;
055: import junit.framework.TestSuite;
056:
057: import org.jfree.chart.renderer.xy.VectorRenderer;
058:
059: /**
060: * Tests for the {@link VectorRenderer} class.
061: */
062: public class VectorRendererTests extends TestCase {
063:
064: /**
065: * Returns the tests as a test suite.
066: *
067: * @return The test suite.
068: */
069: public static Test suite() {
070: return new TestSuite(VectorRendererTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public VectorRendererTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Test that the equals() method distinguishes all fields.
084: */
085: public void testEquals() {
086: // default instances
087: VectorRenderer r1 = new VectorRenderer();
088: VectorRenderer r2 = new VectorRenderer();
089: assertTrue(r1.equals(r2));
090: assertTrue(r2.equals(r1));
091:
092: // check that super class fields are being looked at...
093: r1.setSeriesFillPaint(0, Color.green);
094: assertFalse(r1.equals(r2));
095: r2.setSeriesFillPaint(0, Color.green);
096: assertTrue(r1.equals(r2));
097: }
098:
099: /**
100: * Two objects that are equal are required to return the same hashCode.
101: */
102: public void testHashcode() {
103: VectorRenderer r1 = new VectorRenderer();
104: VectorRenderer r2 = new VectorRenderer();
105: assertTrue(r1.equals(r2));
106: int h1 = r1.hashCode();
107: int h2 = r2.hashCode();
108: assertEquals(h1, h2);
109: }
110:
111: /**
112: * Confirm that cloning works.
113: */
114: public void testCloning() {
115: VectorRenderer r1 = new VectorRenderer();
116: VectorRenderer r2 = null;
117: try {
118: r2 = (VectorRenderer) r1.clone();
119: } catch (CloneNotSupportedException e) {
120: e.printStackTrace();
121: }
122: assertTrue(r1 != r2);
123: assertTrue(r1.getClass() == r2.getClass());
124: assertTrue(r1.equals(r2));
125: }
126:
127: /**
128: * Serialize an instance, restore it, and check for equality.
129: */
130: public void testSerialization() {
131: VectorRenderer r1 = new VectorRenderer();
132: VectorRenderer r2 = null;
133: try {
134: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
135: ObjectOutput out = new ObjectOutputStream(buffer);
136: out.writeObject(r1);
137: out.close();
138:
139: ObjectInput in = new ObjectInputStream(
140: new ByteArrayInputStream(buffer.toByteArray()));
141: r2 = (VectorRenderer) in.readObject();
142: in.close();
143: } catch (Exception e) {
144: e.printStackTrace();
145: }
146: assertEquals(r1, r2);
147: }
148:
149: }
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