001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2005, 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: * ImageTitleTests.java
029: * --------------------
030: * (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: ImageTitleTests.java,v 1.1.2.1 2006/10/03 15:41:29 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 17-Feb-2004 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.title.junit;
044:
045: import junit.framework.Test;
046: import junit.framework.TestCase;
047: import junit.framework.TestSuite;
048:
049: import org.jfree.chart.JFreeChart;
050: import org.jfree.chart.title.ImageTitle;
051:
052: /**
053: * Tests for the {@link ImageTitle} class.
054: */
055: public class ImageTitleTests extends TestCase {
056:
057: /**
058: * Returns the tests as a test suite.
059: *
060: * @return The test suite.
061: */
062: public static Test suite() {
063: return new TestSuite(ImageTitleTests.class);
064: }
065:
066: /**
067: * Constructs a new set of tests.
068: *
069: * @param name the name of the tests.
070: */
071: public ImageTitleTests(String name) {
072: super (name);
073: }
074:
075: /**
076: * Check that the equals() method distinguishes all fields.
077: */
078: public void testEquals() {
079: ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
080: ImageTitle t2 = new ImageTitle(JFreeChart.INFO.getLogo());
081: assertEquals(t1, t2);
082: }
083:
084: /**
085: * Two objects that are equal are required to return the same hashCode.
086: */
087: public void testHashcode() {
088: ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
089: ImageTitle t2 = new ImageTitle(JFreeChart.INFO.getLogo());
090: assertTrue(t1.equals(t2));
091: int h1 = t1.hashCode();
092: int h2 = t2.hashCode();
093: assertEquals(h1, h2);
094: }
095:
096: /**
097: * Confirm that cloning works.
098: */
099: public void testCloning() {
100: ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
101: ImageTitle t2 = null;
102: try {
103: t2 = (ImageTitle) t1.clone();
104: } catch (CloneNotSupportedException e) {
105: System.err
106: .println("ImageTitleTests.testCloning: failed to clone.");
107: }
108: assertTrue(t1 != t2);
109: assertTrue(t1.getClass() == t2.getClass());
110: assertTrue(t1.equals(t2));
111: }
112:
113: /**
114: * Serialize an instance, restore it, and check for equality.
115: */
116: public void testSerialization() {
117:
118: // TODO: add serialization support for images
119:
120: }
121:
122: private static final double EPSILON = 0.00000001;
123:
124: /**
125: * Check the width and height.
126: */
127: public void testWidthAndHeight() {
128: ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
129: assertEquals(100, t1.getWidth(), EPSILON);
130: assertEquals(100, t1.getHeight(), EPSILON);
131: }
132:
133: }
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