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- /* ===========================================================
- * JFreeChart : a free chart library for the Java(tm) platform
- * ===========================================================
- *
- * (C) Copyright 2000-2013, 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.]
- *
- * -----------------------------
- * XYDifferenceRendererTest.java
- * -----------------------------
- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 22-Oct-2003 : Version 1 (DG);
- * 04-May-2005 : Improved equals() test (DG);
- * 24-Jan-2007 : Added 'roundXCoordinates' to testEquals(), and improved
- * testClone() (DG);
- * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG);
- * 22-Apr-2008 : Added testPublicCloneable (DG);
- *
- */
- package org.jfree.chart.renderer.xy;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.assertFalse;
- import java.awt.Color;
- import java.awt.GradientPaint;
- import java.awt.Shape;
- import java.awt.geom.Line2D;
- import org.jfree.chart.JFreeChart;
- import org.jfree.chart.LegendItem;
- import org.jfree.chart.TestUtilities;
- import org.jfree.chart.axis.NumberAxis;
- import org.jfree.chart.plot.XYPlot;
- import org.jfree.data.xy.XYSeries;
- import org.jfree.data.xy.XYSeriesCollection;
- import org.jfree.util.PublicCloneable;
- import org.junit.Test;
- /**
- * Tests for the {@link XYDifferenceRenderer} class.
- */
- public class XYDifferenceRendererTest {
- /**
- * Check that the equals() method distinguishes all fields.
- */
- @Test
- public void testEquals() {
- XYDifferenceRenderer r1 = new XYDifferenceRenderer(
- Color.red, Color.blue, false);
- XYDifferenceRenderer r2 = new XYDifferenceRenderer(
- Color.red, Color.blue, false);
- assertEquals(r1, r2);
- // positive paint
- r1.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.blue));
- assertFalse(r1.equals(r2));
- r2.setPositivePaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.blue));
- assertTrue(r1.equals(r2));
- // negative paint
- r1.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
- 3.0f, 4.0f, Color.blue));
- assertFalse(r1.equals(r2));
- r2.setNegativePaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
- 3.0f, 4.0f, Color.blue));
- assertTrue(r1.equals(r2));
- // shapesVisible
- r1 = new XYDifferenceRenderer(Color.green, Color.yellow, true);
- assertFalse(r1.equals(r2));
- r2 = new XYDifferenceRenderer(Color.green, Color.yellow, true);
- assertTrue(r1.equals(r2));
- // legendLine
- r1.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
- assertFalse(r1.equals(r2));
- r2.setLegendLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
- assertTrue(r1.equals(r2));
- // roundXCoordinates
- r1.setRoundXCoordinates(true);
- assertFalse(r1.equals(r2));
- r2.setRoundXCoordinates(true);
- assertTrue(r1.equals(r2));
- assertFalse(r1.equals(null));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashcode() {
- XYDifferenceRenderer r1
- = new XYDifferenceRenderer(Color.red, Color.blue, false);
- XYDifferenceRenderer r2
- = new XYDifferenceRenderer(Color.red, Color.blue, false);
- assertTrue(r1.equals(r2));
- int h1 = r1.hashCode();
- int h2 = r2.hashCode();
- assertEquals(h1, h2);
- }
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red,
- Color.blue, false);
- XYDifferenceRenderer r2 = (XYDifferenceRenderer) r1.clone();
- assertTrue(r1 != r2);
- assertTrue(r1.getClass() == r2.getClass());
- assertTrue(r1.equals(r2));
- // check independence
- Shape s = r1.getLegendLine();
- if (s instanceof Line2D) {
- Line2D l = (Line2D) s;
- l.setLine(1.0, 2.0, 3.0, 4.0);
- assertFalse(r1.equals(r2));
- }
- }
- /**
- * Verify that this class implements {@link PublicCloneable}.
- */
- @Test
- public void testPublicCloneable() {
- XYDifferenceRenderer r1 = new XYDifferenceRenderer();
- assertTrue(r1 instanceof PublicCloneable);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- XYDifferenceRenderer r1 = new XYDifferenceRenderer(Color.red,
- Color.blue, false);
- XYDifferenceRenderer r2 = (XYDifferenceRenderer)
- TestUtilities.serialised(r1);
- assertEquals(r1, r2);
- }
- /**
- * A check for the datasetIndex and seriesIndex fields in the LegendItem
- * returned by the getLegendItem() method.
- */
- @Test
- public void testGetLegendItemSeriesIndex() {
- XYSeriesCollection d1 = new XYSeriesCollection();
- XYSeries s1 = new XYSeries("S1");
- s1.add(1.0, 1.1);
- XYSeries s2 = new XYSeries("S2");
- s2.add(1.0, 1.1);
- d1.addSeries(s1);
- d1.addSeries(s2);
- XYSeriesCollection d2 = new XYSeriesCollection();
- XYSeries s3 = new XYSeries("S3");
- s3.add(1.0, 1.1);
- XYSeries s4 = new XYSeries("S4");
- s4.add(1.0, 1.1);
- XYSeries s5 = new XYSeries("S5");
- s5.add(1.0, 1.1);
- d2.addSeries(s3);
- d2.addSeries(s4);
- d2.addSeries(s5);
- XYDifferenceRenderer r = new XYDifferenceRenderer();
- XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
- new NumberAxis("y"), r);
- plot.setDataset(1, d2);
- /*JFreeChart chart =*/ new JFreeChart(plot);
- LegendItem li = r.getLegendItem(1, 2);
- assertEquals("S5", li.getLabel());
- assertEquals(1, li.getDatasetIndex());
- assertEquals(2, li.getSeriesIndex());
- }
- }
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