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: * ArrowNeedleTests.java
029: * ---------------------
030: * (C) Copyright 2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: ArrowNeedleTests.java,v 1.1.2.1 2006/10/03 15:41:47 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 08-Jun-2005 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.needle.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:
056: import org.jfree.chart.needle.ArrowNeedle;
057:
058: /**
059: * Tests for the {@link ArrowNeedle} class.
060: */
061: public class ArrowNeedleTests extends TestCase {
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(ArrowNeedleTests.class);
069: }
070:
071: /**
072: * Constructs a new set of tests.
073: *
074: * @param name the name of the tests.
075: */
076: public ArrowNeedleTests(String name) {
077: super (name);
078: }
079:
080: /**
081: * Check that the equals() method can distinguish all fields.
082: */
083: public void testEquals() {
084: ArrowNeedle n1 = new ArrowNeedle(false);
085: ArrowNeedle n2 = new ArrowNeedle(false);
086: assertTrue(n1.equals(n2));
087: assertTrue(n2.equals(n1));
088:
089: n1 = new ArrowNeedle(true);
090: assertFalse(n1.equals(n2));
091: n2 = new ArrowNeedle(true);
092: assertTrue(n1.equals(n2));
093: }
094:
095: /**
096: * Check that cloning works.
097: */
098: public void testCloning() {
099: ArrowNeedle n1 = new ArrowNeedle(false);
100: ArrowNeedle n2 = null;
101: try {
102: n2 = (ArrowNeedle) n1.clone();
103: } catch (CloneNotSupportedException e) {
104: e.printStackTrace();
105: System.err.println("Failed to clone.");
106: }
107: assertTrue(n1 != n2);
108: assertTrue(n1.getClass() == n2.getClass());
109: assertTrue(n1.equals(n2));
110: }
111:
112: /**
113: * Serialize an instance, restore it, and check for equality.
114: */
115: public void testSerialization() {
116: ArrowNeedle n1 = new ArrowNeedle(false);
117: ArrowNeedle n2 = null;
118: try {
119: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
120: ObjectOutput out = new ObjectOutputStream(buffer);
121: out.writeObject(n1);
122: out.close();
123: ObjectInput in = new ObjectInputStream(
124: new ByteArrayInputStream(buffer.toByteArray()));
125: n2 = (ArrowNeedle) in.readObject();
126: in.close();
127: } catch (Exception e) {
128: e.printStackTrace();
129: }
130: assertTrue(n1.equals(n2));
131: }
132:
133: }
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