/* ======================================================================== * 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 <code>Color</code> 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 <code>ColorUIResource</code> 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 <code>GradientPaint</code>, 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 <code>AlphaComposite</code>, 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 <code>TexturePaint</code>, 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 <code>Line2D.Float</code> 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 <code>Line2D.Double</code> 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 <code>Rectangle2D.Float</code> 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 <code>Rectangle2D.Double</code> 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 <code>Arc2D.Float</code> 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 <code>Arc2D.Double</code> 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)); } }