001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2006, 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: * YWithXIntervalTests.java
029: * ------------------------
030: * (C) Copyright 2006, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: YWithXIntervalTests.java,v 1.1.2.1 2006/10/20 15:23:23 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 20-Oct-2006 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.xy.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:
052: import junit.framework.Test;
053: import junit.framework.TestCase;
054: import junit.framework.TestSuite;
055: import org.jfree.data.xy.YWithXInterval;
056:
057: /**
058: * Tests for the {@link YWithXInterval} class.
059: */
060: public class YWithXIntervalTests extends TestCase {
061:
062: /**
063: * Returns the tests as a test suite.
064: *
065: * @return The test suite.
066: */
067: public static Test suite() {
068: return new TestSuite(YWithXIntervalTests.class);
069: }
070:
071: /**
072: * Constructs a new set of tests.
073: *
074: * @param name the name of the tests.
075: */
076: public YWithXIntervalTests(String name) {
077: super (name);
078: }
079:
080: /**
081: * Confirm that the equals method can distinguish all the required fields.
082: */
083: public void testEquals() {
084: YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
085: YWithXInterval i2 = new YWithXInterval(1.0, 0.5, 1.5);
086: assertEquals(i1, i2);
087:
088: i1 = new YWithXInterval(1.1, 0.5, 1.5);
089: assertFalse(i1.equals(i2));
090: i2 = new YWithXInterval(1.1, 0.5, 1.5);
091: assertTrue(i1.equals(i2));
092:
093: i1 = new YWithXInterval(1.1, 0.55, 1.5);
094: assertFalse(i1.equals(i2));
095: i2 = new YWithXInterval(1.1, 0.55, 1.5);
096: assertTrue(i1.equals(i2));
097:
098: i1 = new YWithXInterval(1.1, 0.55, 1.55);
099: assertFalse(i1.equals(i2));
100: i2 = new YWithXInterval(1.1, 0.55, 1.55);
101: assertTrue(i1.equals(i2));
102: }
103:
104: /**
105: * This class is immutable.
106: */
107: public void testCloning() {
108: YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
109: assertFalse(i1 instanceof Cloneable);
110: }
111:
112: /**
113: * Serialize an instance, restore it, and check for equality.
114: */
115: public void testSerialization() {
116: YWithXInterval i1 = new YWithXInterval(1.0, 0.5, 1.5);
117: YWithXInterval i2 = null;
118:
119: try {
120: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
121: ObjectOutput out = new ObjectOutputStream(buffer);
122: out.writeObject(i1);
123: out.close();
124:
125: ObjectInput in = new ObjectInputStream(
126: new ByteArrayInputStream(buffer.toByteArray()));
127: i2 = (YWithXInterval) in.readObject();
128: in.close();
129: } catch (Exception e) {
130: e.printStackTrace();
131: }
132: assertEquals(i1, i2);
133: }
134:
135: }
|