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: * DateTickTests.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: DateTickTests.java,v 1.1.2.1 2006/10/03 15:41:23 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 13-May-2004 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.axis.junit;
044:
045: import java.io.ByteArrayInputStream;
046: import java.io.ByteArrayOutputStream;
047: import java.io.ObjectInput;
048: import java.io.ObjectInputStream;
049: import java.io.ObjectOutput;
050: import java.io.ObjectOutputStream;
051: import java.util.Date;
052:
053: import junit.framework.Test;
054: import junit.framework.TestCase;
055: import junit.framework.TestSuite;
056:
057: import org.jfree.chart.axis.DateTick;
058: import org.jfree.ui.TextAnchor;
059:
060: /**
061: * Tests for the {@link DateTick} class.
062: */
063: public class DateTickTests 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(DateTickTests.class);
072: }
073:
074: /**
075: * Constructs a new set of tests.
076: *
077: * @param name the name of the tests.
078: */
079: public DateTickTests(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: Date d1 = new Date(0L);
089: Date d2 = new Date(1L);
090: String l1 = "Label 1";
091: String l2 = "Label 2";
092: TextAnchor ta1 = TextAnchor.CENTER;
093: TextAnchor ta2 = TextAnchor.BASELINE_LEFT;
094:
095: DateTick t1 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
096: DateTick t2 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
097: assertTrue(t1.equals(t2));
098:
099: t1 = new DateTick(d2, l1, ta1, ta1, Math.PI / 2.0);
100: assertFalse(t1.equals(t2));
101: t2 = new DateTick(d2, l1, ta1, ta1, Math.PI / 2.0);
102: assertTrue(t1.equals(t2));
103:
104: t1 = new DateTick(d1, l2, ta1, ta1, Math.PI / 2.0);
105: assertFalse(t1.equals(t2));
106: t2 = new DateTick(d1, l2, ta1, ta1, Math.PI / 2.0);
107: assertTrue(t1.equals(t2));
108:
109: t1 = new DateTick(d1, l1, ta2, ta1, Math.PI / 2.0);
110: assertFalse(t1.equals(t2));
111: t2 = new DateTick(d1, l1, ta2, ta1, Math.PI / 2.0);
112: assertTrue(t1.equals(t2));
113:
114: t1 = new DateTick(d1, l1, ta1, ta2, Math.PI / 2.0);
115: assertFalse(t1.equals(t2));
116: t2 = new DateTick(d1, l1, ta1, ta2, Math.PI / 2.0);
117: assertTrue(t1.equals(t2));
118:
119: t1 = new DateTick(d1, l1, ta1, ta1, Math.PI / 3.0);
120: assertFalse(t1.equals(t2));
121: t2 = new DateTick(d1, l1, ta1, ta1, Math.PI / 3.0);
122: assertTrue(t1.equals(t2));
123:
124: }
125:
126: /**
127: * Two objects that are equal are required to return the same hashCode.
128: */
129: public void testHashCode() {
130: Date d1 = new Date(0L);
131: String l1 = "Label 1";
132: TextAnchor ta1 = TextAnchor.CENTER;
133:
134: DateTick t1 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
135: DateTick t2 = new DateTick(d1, l1, ta1, ta1, Math.PI / 2.0);
136: assertTrue(t1.equals(t2));
137: int h1 = t1.hashCode();
138: int h2 = t2.hashCode();
139: assertEquals(h1, h2);
140: }
141:
142: /**
143: * Confirm that cloning works.
144: */
145: public void testCloning() {
146: DateTick t1 = new DateTick(new Date(0L), "Label",
147: TextAnchor.CENTER, TextAnchor.CENTER, 10.0);
148: DateTick t2 = null;
149: try {
150: t2 = (DateTick) t1.clone();
151: } catch (CloneNotSupportedException e) {
152: System.err.println("Failed to clone.");
153: }
154: assertTrue(t1 != t2);
155: assertTrue(t1.getClass() == t2.getClass());
156: assertTrue(t1.equals(t2));
157: }
158:
159: /**
160: * Serialize an instance, restore it, and check for equality.
161: */
162: public void testSerialization() {
163:
164: DateTick t1 = new DateTick(new Date(0L), "Label",
165: TextAnchor.CENTER, TextAnchor.CENTER, 10.0);
166: DateTick t2 = null;
167:
168: try {
169: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
170: ObjectOutput out = new ObjectOutputStream(buffer);
171: out.writeObject(t1);
172: out.close();
173:
174: ObjectInput in = new ObjectInputStream(
175: new ByteArrayInputStream(buffer.toByteArray()));
176: t2 = (DateTick) in.readObject();
177: in.close();
178: } catch (Exception e) {
179: System.out.println(e.toString());
180: }
181: assertEquals(t1, t2);
182:
183: }
184:
185: }
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