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JCommon is a free general purpose Java class library that is used in
several projects at www.jfree.org, including JFreeChart and
JFreeReport.
/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -------------------------
* SerialUtilitiesTests.java
* -------------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: SerialUtilitiesTests.java,v 1.11 2011/10/11 12:45:00 matinh Exp $
*
* Changes
* -------
* 18-Sep-2003 : Version 1 (DG);
* 26-Oct-2004 : Added checks for serializing Line2D instances (DG);
* 04-Feb-2005 : Added tests for serializing Rectangle2D instances (DG);
* 10-Oct-2011 : Added tests for serializing Composite instances (MH);
*
*/
package org.jfree.io.junit;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.GradientPaint;
import java.awt.Paint;
import java.awt.TexturePaint;
import java.awt.font.TextAttribute;
import java.awt.geom.Arc2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.AttributedString;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.io.SerialUtilities;
import org.jfree.util.AttributedStringUtilities;
import org.jfree.util.ShapeUtilities;
/**
* Tests for the {@link SerialUtilities} class.
*/
public class SerialUtilitiesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(SerialUtilitiesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public SerialUtilitiesTests(final String name) {
super(name);
}
/**
* Tests the isSerializable(Class) method for some common cases.
*/
public void testIsSerializable() {
assertTrue(SerialUtilities.isSerializable(Color.class));
assertTrue(SerialUtilities.isSerializable(ColorUIResource.class));
assertFalse(SerialUtilities.isSerializable(GradientPaint.class));
assertFalse(SerialUtilities.isSerializable(TexturePaint.class));
}
/**
* Serialize a Color and check that it can be deserialized
* correctly.
*/
public void testColorSerialization() {
final Paint p1 = Color.blue;
Paint p2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writePaint(p1, out);
out.close();
final ByteArrayInputStream bias = new ByteArrayInputStream(
buffer.toByteArray());
final ObjectInputStream in = new ObjectInputStream(bias);
p2 = SerialUtilities.readPaint(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(p1, p2);
}
/**
* Serialize a ColorUIResource and check that it can be
* deserialized correctly.
*/
public void testColorUIResourceSerialization() {
Paint p1 = UIManager.getColor("Panel.background");
Paint p2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writePaint(p1, out);
out.close();
ByteArrayInputStream bias = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bias);
p2 = SerialUtilities.readPaint(in);
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(p1, p2);
}
/**
* Serialize a GradientPaint, restore it, and check for
* equality.
*/
public void testGradientPaintSerialization() {
final Paint p1 = new GradientPaint(0.0f, 0.0f, Color.blue,
100.0f, 200.0f, Color.red);
Paint p2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writePaint(p1, out);
out.close();
final ByteArrayInputStream bias = new ByteArrayInputStream(
buffer.toByteArray());
final ObjectInputStream in = new ObjectInputStream(bias);
p2 = SerialUtilities.readPaint(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
// we want to check that the two objects are equal, but can't rely on
// GradientPaint's equals() method because it is just the default
// method inherited from Object...
final GradientPaint gp1 = (GradientPaint) p1;
final GradientPaint gp2 = (GradientPaint) p2;
assertEquals(gp1.getColor1(), gp2.getColor1());
assertEquals(gp1.getPoint1(), gp2.getPoint1());
assertEquals(gp1.getColor2(), gp2.getColor2());
assertEquals(gp1.getPoint2(), gp2.getPoint2());
assertEquals(gp1.isCyclic(), gp2.isCyclic());
}
/**
* Serialize an AlphaComposite, restore it, and check for
* equality.
*/
public void testAlphaCompositeSerialization() {
final Composite c1 = AlphaComposite.getInstance(2, 0.345f);
Composite c2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeComposite(c1, out);
out.close();
final ByteArrayInputStream bias = new ByteArrayInputStream(
buffer.toByteArray());
final ObjectInputStream in = new ObjectInputStream(bias);
c2 = SerialUtilities.readComposite(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
// we want to check that the two objects are equal, but can't rely on
// AlphaComposite's equals() method because it is just the default
// method inherited from Object...
final AlphaComposite ac1 = (AlphaComposite) c1;
final AlphaComposite ac2 = (AlphaComposite) c2;
assertEquals(ac1.getRule(), ac2.getRule());
assertEquals(ac1.getAlpha(), ac2.getAlpha(), 0.001f);
}
/**
* Serialize a TexturePaint, restore it, and check for
* equality. Since this class is not serializable, we expect null as the
* result.
*/
public void testTexturePaintSerialization() {
final Paint p1 = new TexturePaint(
new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB),
new Rectangle2D.Double(0, 0, 5, 5));
Paint p2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writePaint(p1, out);
out.close();
final ByteArrayInputStream bias = new ByteArrayInputStream(
buffer.toByteArray());
final ObjectInputStream in = new ObjectInputStream(bias);
p2 = SerialUtilities.readPaint(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertNull(p2);
}
/**
* Serialize a Line2D.Float instance, and check that it can be
* deserialized correctly.
*/
public void testLine2DFloatSerialization() {
Line2D l1 = new Line2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
Line2D l2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(l1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
l2 = (Line2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(l1, l2));
}
/**
* Serialize a Line2D.Double instance and check that it can be
* deserialized correctly.
*/
public void testLine2DDoubleSerialization() {
Line2D l1 = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
Line2D l2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(l1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
l2 = (Line2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(l1, l2));
}
/**
* Serialize a Rectangle2D.Float instance, and check that it
* can be deserialized correctly.
*/
public void testRectangle2DFloatSerialization() {
Rectangle2D r1 = new Rectangle2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
Rectangle2D r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(r1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
r2 = (Rectangle2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(r1, r2));
}
/**
* Serialize a Rectangle2D.Double instance and check that it
* can be deserialized correctly.
*/
public void testRectangle2DDoubleSerialization() {
Rectangle2D r1 = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
Rectangle2D r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(r1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
r2 = (Rectangle2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(r1, r2));
}
/**
* Serialize an Arc2D.Float instance and check that it
* can be deserialized correctly.
*/
public void testArc2DFloatSerialization() {
Arc2D a1 = new Arc2D.Float(
1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, Arc2D.PIE
);
Arc2D a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(a1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
a2 = (Arc2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(a1, a2));
}
/**
* Serialize an Arc2D.Double instance and check that it
* can be deserialized correctly.
*/
public void testArc2DDoubleSerialization() {
Arc2D a1 = new Arc2D.Double(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, Arc2D.PIE);
Arc2D a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(a1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
a2 = (Arc2D) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(a1, a2));
}
/**
* Some checks for the serialization of a GeneralPath instance.
*/
public void testGeneralPathSerialization() {
GeneralPath g1 = new GeneralPath();
g1.moveTo(1.0f, 2.0f);
g1.lineTo(3.0f, 4.0f);
g1.curveTo(5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
g1.quadTo(1.0f, 2.0f, 3.0f, 4.0f);
g1.closePath();
GeneralPath g2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeShape(g1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
g2 = (GeneralPath) SerialUtilities.readShape(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(ShapeUtilities.equal(g1, g2));
}
/**
* Tests the serialization of an {@link AttributedString}.
*/
public void testAttributedStringSerialization1() {
AttributedString s1 = new AttributedString("");
AttributedString s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeAttributedString(s1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray()
);
ObjectInputStream in = new ObjectInputStream(bais);
s2 = SerialUtilities.readAttributedString(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(AttributedStringUtilities.equal(s1, s2));
}
/**
* Tests the serialization of an {@link AttributedString}.
*/
public void testAttributedStringSerialization2() {
AttributedString s1 = new AttributedString("ABC");
AttributedString s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeAttributedString(s1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
s2 = SerialUtilities.readAttributedString(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(AttributedStringUtilities.equal(s1, s2));
}
/**
* Tests the serialization of an {@link AttributedString}.
*/
public void testAttributedStringSerialization3() {
AttributedString s1 = new AttributedString("ABC");
s1.addAttribute(TextAttribute.LANGUAGE, "English");
AttributedString s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(buffer);
SerialUtilities.writeAttributedString(s1, out);
out.close();
ByteArrayInputStream bais = new ByteArrayInputStream(
buffer.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
s2 = SerialUtilities.readAttributedString(in);
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(AttributedStringUtilities.equal(s1, s2));
}
}
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