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: * CategoryTextAnnotationTests.java
029: * --------------------------------
030: * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: CategoryTextAnnotationTests.java,v 1.1.2.1 2006/10/03 15:41:40 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 19-Aug-2003 : Version 1 (DG);
040: * 07-Jan-2005 : Added hashCode() test (DG);
041: *
042: */
043:
044: package org.jfree.chart.annotations.junit;
045:
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.annotations.CategoryTextAnnotation;
058: import org.jfree.chart.axis.CategoryAnchor;
059:
060: /**
061: * Tests for the {@link CategoryTextAnnotation} class.
062: */
063: public class CategoryTextAnnotationTests extends TestCase {
064:
065: /**
066: * Returns the tests as a test suite.
067: *
068: * @return The test suite.
069: */
070: public static Test suite() {
071: return new TestSuite(CategoryTextAnnotationTests.class);
072: }
073:
074: /**
075: * Constructs a new set of tests.
076: *
077: * @param name the name of the tests.
078: */
079: public CategoryTextAnnotationTests(String name) {
080: super (name);
081: }
082:
083: /**
084: * Confirm that the equals method can distinguish all the required fields.
085: */
086: public void testEquals() {
087:
088: CategoryTextAnnotation a1 = new CategoryTextAnnotation("Test",
089: "Category", 1.0);
090: CategoryTextAnnotation a2 = new CategoryTextAnnotation("Test",
091: "Category", 1.0);
092: assertTrue(a1.equals(a2));
093:
094: // category
095: a1.setCategory("Category 2");
096: assertFalse(a1.equals(a2));
097: a2.setCategory("Category 2");
098: assertTrue(a1.equals(a2));
099:
100: // categoryAnchor
101: a1.setCategoryAnchor(CategoryAnchor.START);
102: assertFalse(a1.equals(a2));
103: a2.setCategoryAnchor(CategoryAnchor.START);
104: assertTrue(a1.equals(a2));
105:
106: // value
107: a1.setValue(0.15);
108: assertFalse(a1.equals(a2));
109: a2.setValue(0.15);
110: assertTrue(a1.equals(a2));
111:
112: }
113:
114: /**
115: * Two objects that are equal are required to return the same hashCode.
116: */
117: public void testHashcode() {
118: CategoryTextAnnotation a1 = new CategoryTextAnnotation("Test",
119: "Category", 1.0);
120: CategoryTextAnnotation a2 = new CategoryTextAnnotation("Test",
121: "Category", 1.0);
122: assertTrue(a1.equals(a2));
123: int h1 = a1.hashCode();
124: int h2 = a2.hashCode();
125: assertEquals(h1, h2);
126: }
127:
128: /**
129: * Confirm that cloning works.
130: */
131: public void testCloning() {
132: CategoryTextAnnotation a1 = new CategoryTextAnnotation("Test",
133: "Category", 1.0);
134: CategoryTextAnnotation a2 = null;
135: try {
136: a2 = (CategoryTextAnnotation) a1.clone();
137: } catch (CloneNotSupportedException e) {
138: System.err.println("Failed to clone.");
139: }
140: assertTrue(a1 != a2);
141: assertTrue(a1.getClass() == a2.getClass());
142: assertTrue(a1.equals(a2));
143: }
144:
145: /**
146: * Serialize an instance, restore it, and check for equality.
147: */
148: public void testSerialization() {
149:
150: CategoryTextAnnotation a1 = new CategoryTextAnnotation("Test",
151: "Category", 1.0);
152: CategoryTextAnnotation a2 = null;
153:
154: try {
155: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
156: ObjectOutput out = new ObjectOutputStream(buffer);
157: out.writeObject(a1);
158: out.close();
159:
160: ObjectInput in = new ObjectInputStream(
161: new ByteArrayInputStream(buffer.toByteArray()));
162: a2 = (CategoryTextAnnotation) in.readObject();
163: in.close();
164: } catch (Exception e) {
165: System.out.println(e.toString());
166: }
167: assertEquals(a1, a2);
168:
169: }
170:
171: }
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