/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2012, 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.] * * ------------------- * MeterPlotTests.java * ------------------- * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 27-Mar-2003 : Version 1 (DG); * 12-May-2004 : Updated testEquals() (DG); * 29-Nov-2007 : Updated testEquals() and testSerialization1() for * dialOutlinePaint (DG) * */ package org.jfree.chart.plot; import org.jfree.data.Range; import org.jfree.data.general.DefaultValueDataset; import org.junit.Test; import java.awt.Color; import java.awt.Font; import java.awt.GradientPaint; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.text.DecimalFormat; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertSame; /** * Tests for the {@link MeterPlot} class. */ public class MeterPlotTest { /** * Test the equals method to ensure that it can distinguish the required * fields. Note that the dataset is NOT considered in the equals test. */ @Test public void testEquals() { MeterPlot plot1 = new MeterPlot(); MeterPlot plot2 = new MeterPlot(); assertEquals(plot1, plot2); // units plot1.setUnits("mph"); assertFalse(plot1.equals(plot2)); plot2.setUnits("mph"); assertEquals(plot1, plot2); // range plot1.setRange(new Range(50.0, 70.0)); assertFalse(plot1.equals(plot2)); plot2.setRange(new Range(50.0, 70.0)); assertEquals(plot1, plot2); // interval plot1.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0))); assertFalse(plot1.equals(plot2)); plot2.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0))); assertEquals(plot1, plot2); // dial outline paint plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); assertFalse(plot1.equals(plot2)); plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); assertEquals(plot1, plot2); // dial shape plot1.setDialShape(DialShape.CHORD); assertFalse(plot1.equals(plot2)); plot2.setDialShape(DialShape.CHORD); assertEquals(plot1, plot2); // dial background paint plot1.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED, 7.0f, 6.0f, Color.BLUE)); assertFalse(plot1.equals(plot2)); plot2.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED, 7.0f, 6.0f, Color.BLUE)); assertEquals(plot1, plot2); // dial outline paint plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.RED)); assertFalse(plot1.equals(plot2)); plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.RED)); assertEquals(plot1, plot2); // needle paint plot1.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED, 7.0f, 6.0f, Color.BLUE)); assertFalse(plot1.equals(plot2)); plot2.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED, 7.0f, 6.0f, Color.BLUE)); assertEquals(plot1, plot2); // value font plot1.setValueFont(new Font("Serif", Font.PLAIN, 6)); assertFalse(plot1.equals(plot2)); plot2.setValueFont(new Font("Serif", Font.PLAIN, 6)); assertEquals(plot1, plot2); // value paint plot1.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK, 3.0f, 4.0f, Color.WHITE)); assertFalse(plot1.equals(plot2)); plot2.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK, 3.0f, 4.0f, Color.WHITE)); assertEquals(plot1, plot2); // tick labels visible plot1.setTickLabelsVisible(false); assertFalse(plot1.equals(plot2)); plot2.setTickLabelsVisible(false); assertEquals(plot1, plot2); // tick label font plot1.setTickLabelFont(new Font("Serif", Font.PLAIN, 6)); assertFalse(plot1.equals(plot2)); plot2.setTickLabelFont(new Font("Serif", Font.PLAIN, 6)); assertEquals(plot1, plot2); // tick label paint plot1.setTickLabelPaint(Color.RED); assertFalse(plot1.equals(plot2)); plot2.setTickLabelPaint(Color.RED); assertEquals(plot1, plot2); // tick label format plot1.setTickLabelFormat(new DecimalFormat("0")); assertFalse(plot1.equals(plot2)); plot2.setTickLabelFormat(new DecimalFormat("0")); assertEquals(plot1, plot2); // tick paint plot1.setTickPaint(Color.green); assertFalse(plot1.equals(plot2)); plot2.setTickPaint(Color.green); assertEquals(plot1, plot2); // tick size plot1.setTickSize(1.23); assertFalse(plot1.equals(plot2)); plot2.setTickSize(1.23); assertEquals(plot1, plot2); // draw border plot1.setDrawBorder(!plot1.getDrawBorder()); assertFalse(plot1.equals(plot2)); plot2.setDrawBorder(plot1.getDrawBorder()); assertEquals(plot1, plot2); // meter angle plot1.setMeterAngle(22); assertFalse(plot1.equals(plot2)); plot2.setMeterAngle(22); assertEquals(plot1, plot2); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { MeterPlot p1 = new MeterPlot(); MeterPlot p2 = (MeterPlot) p1.clone(); assertNotSame(p1, p2); assertSame(p1.getClass(), p2.getClass()); assertEquals(p1, p2); // the clone and the original share a reference to the SAME dataset assertSame(p1.getDataset(), p2.getDataset()); // try a few checks to ensure that the clone is independent of the // original p1.getTickLabelFormat().setMinimumIntegerDigits(99); assertFalse(p1.equals(p2)); p2.getTickLabelFormat().setMinimumIntegerDigits(99); assertEquals(p1, p2); p1.addInterval(new MeterInterval("Test", new Range(1.234, 5.678))); assertFalse(p1.equals(p2)); p2.addInterval(new MeterInterval("Test", new Range(1.234, 5.678))); assertEquals(p1, p2); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization1() throws IOException, ClassNotFoundException { MeterPlot p1 = new MeterPlot(null); p1.setDialBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); p1.setDialOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.RED, 2.0f, 1.0f, Color.BLUE)); p1.setNeedlePaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); p1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); p1.setTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f, 4.0f, Color.BLUE)); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); MeterPlot p2 = (MeterPlot) in.readObject(); in.close(); assertEquals(p1, p2); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization2() throws IOException, ClassNotFoundException { MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23)); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); MeterPlot p2 = (MeterPlot) in.readObject(); in.close(); assertEquals(p1, p2); } }