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: * BlockContainerTests.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: BlockContainerTests.java,v 1.1.2.1 2006/10/03 15:41:44 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 04-Feb-2005 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.block.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.block.BlockContainer;
057: import org.jfree.chart.block.ColumnArrangement;
058: import org.jfree.chart.block.EmptyBlock;
059: import org.jfree.chart.block.FlowArrangement;
060:
061: /**
062: * Tests for the {@link BlockContainer} class.
063: */
064: public class BlockContainerTests extends TestCase {
065:
066: /**
067: * Returns the tests as a test suite.
068: *
069: * @return The test suite.
070: */
071: public static Test suite() {
072: return new TestSuite(BlockContainerTests.class);
073: }
074:
075: /**
076: * Constructs a new set of tests.
077: *
078: * @param name the name of the tests.
079: */
080: public BlockContainerTests(String name) {
081: super (name);
082: }
083:
084: /**
085: * Confirm that the equals() method can distinguish all the required fields.
086: */
087: public void testEquals() {
088: BlockContainer c1 = new BlockContainer(new FlowArrangement());
089: BlockContainer c2 = new BlockContainer(new FlowArrangement());
090: assertTrue(c1.equals(c2));
091: assertTrue(c2.equals(c2));
092:
093: c1.setArrangement(new ColumnArrangement());
094: assertFalse(c1.equals(c2));
095: c2.setArrangement(new ColumnArrangement());
096: assertTrue(c1.equals(c2));
097:
098: c1.add(new EmptyBlock(1.2, 3.4));
099: assertFalse(c1.equals(c2));
100: c2.add(new EmptyBlock(1.2, 3.4));
101: assertTrue(c1.equals(c2));
102: }
103:
104: /**
105: * Confirm that cloning works.
106: */
107: public void testCloning() {
108: BlockContainer c1 = new BlockContainer(new FlowArrangement());
109: c1.add(new EmptyBlock(1.2, 3.4));
110:
111: BlockContainer c2 = null;
112:
113: try {
114: c2 = (BlockContainer) c1.clone();
115: } catch (CloneNotSupportedException e) {
116: System.err.println("Failed to clone.");
117: }
118: assertTrue(c1 != c2);
119: assertTrue(c1.getClass() == c2.getClass());
120: assertTrue(c1.equals(c2));
121: }
122:
123: /**
124: * Serialize an instance, restore it, and check for equality.
125: */
126: public void testSerialization() {
127: BlockContainer c1 = new BlockContainer();
128: c1.add(new EmptyBlock(1.2, 3.4));
129: BlockContainer c2 = null;
130: try {
131: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
132: ObjectOutput out = new ObjectOutputStream(buffer);
133: out.writeObject(c1);
134: out.close();
135:
136: ObjectInput in = new ObjectInputStream(
137: new ByteArrayInputStream(buffer.toByteArray()));
138: c2 = (BlockContainer) in.readObject();
139: in.close();
140: } catch (Exception e) {
141: fail(e.toString());
142: }
143: assertEquals(c1, c2);
144: }
145:
146: }
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