/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/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. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * ------------------- * CrosshairTests.java * ------------------- * (C) Copyright 2009, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 09-Apr-2009 : Version 1 (DG); * */ package org.jfree.chart.plot.junit; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.awt.GradientPaint; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.text.NumberFormat; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.jfree.chart.plot.Crosshair; import org.jfree.chart.labels.StandardCrosshairLabelGenerator; import org.jfree.ui.RectangleAnchor; import org.jfree.util.PublicCloneable; /** * Tests for the {@link Crosshair} class. */ public class CrosshairTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(CrosshairTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public CrosshairTests(String name) { super(name); } /** * Some checks for the equals() method. */ public void testEquals() { Crosshair c1 = new Crosshair(1.0, Color.blue, new BasicStroke(1.0f)); Crosshair c2 = new Crosshair(1.0, Color.blue, new BasicStroke(1.0f)); assertTrue(c1.equals(c1)); assertTrue(c2.equals(c1)); c1.setVisible(false); assertFalse(c1.equals(c2)); c2.setVisible(false); assertTrue(c1.equals(c2)); c1.setValue(2.0); assertFalse(c1.equals(c2)); c2.setValue(2.0); assertTrue(c1.equals(c2)); c1.setPaint(Color.red); assertFalse(c1.equals(c2)); c2.setPaint(Color.red); assertTrue(c1.equals(c2)); c1.setStroke(new BasicStroke(1.1f)); assertFalse(c1.equals(c2)); c2.setStroke(new BasicStroke(1.1f)); assertTrue(c1.equals(c2)); c1.setLabelVisible(true); assertFalse(c1.equals(c2)); c2.setLabelVisible(true); assertTrue(c1.equals(c2)); c1.setLabelAnchor(RectangleAnchor.TOP_LEFT); assertFalse(c1.equals(c2)); c2.setLabelAnchor(RectangleAnchor.TOP_LEFT); assertTrue(c1.equals(c2)); c1.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}", NumberFormat.getNumberInstance())); assertFalse(c1.equals(c2)); c2.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}", NumberFormat.getNumberInstance())); assertTrue(c1.equals(c2)); c1.setLabelXOffset(11); assertFalse(c1.equals(c2)); c2.setLabelXOffset(11); assertTrue(c1.equals(c2)); c1.setLabelYOffset(22); assertFalse(c1.equals(c2)); c2.setLabelYOffset(22); assertTrue(c1.equals(c2)); c1.setLabelFont(new Font("Dialog", Font.PLAIN, 8)); assertFalse(c1.equals(c2)); c2.setLabelFont(new Font("Dialog", Font.PLAIN, 8)); assertTrue(c1.equals(c2)); c1.setLabelPaint(Color.red); assertFalse(c1.equals(c2)); c2.setLabelPaint(Color.red); assertTrue(c1.equals(c2)); c1.setLabelBackgroundPaint(Color.yellow); assertFalse(c1.equals(c2)); c2.setLabelBackgroundPaint(Color.yellow); assertTrue(c1.equals(c2)); c1.setLabelOutlineVisible(false); assertFalse(c1.equals(c2)); c2.setLabelOutlineVisible(false); assertTrue(c1.equals(c2)); c1.setLabelOutlineStroke(new BasicStroke(2.0f)); assertFalse(c1.equals(c2)); c2.setLabelOutlineStroke(new BasicStroke(2.0f)); assertTrue(c1.equals(c2)); c1.setLabelOutlinePaint(Color.darkGray); assertFalse(c1.equals(c2)); c2.setLabelOutlinePaint(Color.darkGray); assertTrue(c1.equals(c2)); } /** * Simple check that hashCode is implemented. */ public void testHashCode() { Crosshair c1 = new Crosshair(1.0); Crosshair c2 = new Crosshair(1.0); assertTrue(c1.equals(c2)); assertTrue(c1.hashCode() == c2.hashCode()); } /** * Confirm that cloning works. */ public void testCloning() { Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f)); Crosshair c2 = null; try { c2 = (Crosshair) c1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(c1 != c2); assertTrue(c1.getClass() == c2.getClass()); assertTrue(c1.equals(c2)); } /** * Check to ensure that this class implements PublicCloneable. */ public void testPublicCloneable() { Crosshair c1 = new Crosshair(1.0); assertTrue(c1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f)); Crosshair c2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(c1); out.close(); ObjectInput in = new ObjectInputStream(new ByteArrayInputStream( buffer.toByteArray())); c2 = (Crosshair) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(c1, c2); } }