/* =========================================================== * 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.] * * -------------------------------- * StandardXYItemRendererTests.java * -------------------------------- * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 25-Mar-2003 : Version 1 (DG); * 22-Oct-2003 : Added hashCode test (DG); * 08-Oct-2004 : Strengthened test for equals() method (DG); * 14-Mar-2007 : Added new checks in testEquals() and testCloning() (DG); * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG); * 08-Jun-2007 : Added testNoDisplayedItem() (DG); * 22-Apr-2008 : Added testPublicCloneable (DG); * 17-Jun-2012 : Removed JCommon dependencies (DG); * */ package org.jfree.chart.renderer.xy; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartRenderingInfo; import org.jfree.chart.JFreeChart; import org.jfree.chart.LegendItem; import org.jfree.chart.TestUtils; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.entity.EntityCollection; import org.jfree.chart.entity.XYItemEntity; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.util.PublicCloneable; import org.jfree.chart.util.UnitType; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.junit.Test; import java.awt.Graphics2D; 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.IOException; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; /** * Tests for the {@link StandardXYItemRenderer} class. */ public class StandardXYItemRendererTest { /** * Test that the equals() method distinguishes all fields. */ @Test public void testEquals() { StandardXYItemRenderer r1 = new StandardXYItemRenderer(); StandardXYItemRenderer r2 = new StandardXYItemRenderer(); assertEquals(r1, r2); r1.setBaseShapesVisible(true); assertFalse(r1.equals(r2)); r2.setBaseShapesVisible(true); assertEquals(r1, r2); r1.setPlotLines(false); assertFalse(r1.equals(r2)); r2.setPlotLines(false); assertEquals(r1, r2); r1.setPlotImages(true); assertFalse(r1.equals(r2)); r2.setPlotImages(true); assertEquals(r1, r2); r1.setPlotDiscontinuous(true); assertFalse(r1.equals(r2)); r2.setPlotDiscontinuous(true); assertEquals(r1, r2); r1.setGapThresholdType(UnitType.ABSOLUTE); assertFalse(r1.equals(r2)); r2.setGapThresholdType(UnitType.ABSOLUTE); assertEquals(r1, r2); r1.setGapThreshold(1.23); assertFalse(r1.equals(r2)); r2.setGapThreshold(1.23); assertEquals(r1, r2); 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)); assertEquals(r1, r2); r1.setSeriesShapesFilled(1, Boolean.TRUE); assertFalse(r1.equals(r2)); r2.setSeriesShapesFilled(1, Boolean.TRUE); assertEquals(r1, r2); r1.setBaseShapesFilled(false); assertFalse(r1.equals(r2)); r2.setBaseShapesFilled(false); assertEquals(r1, r2); r1.setDrawSeriesLineAsPath(true); assertFalse(r1.equals(r2)); r2.setDrawSeriesLineAsPath(true); assertEquals(r1, r2); } /** * Two objects that are equal are required to return the same hashCode. */ @Test public void testHashcode() { StandardXYItemRenderer r1 = new StandardXYItemRenderer(); StandardXYItemRenderer r2 = new StandardXYItemRenderer(); assertEquals(r1, r2); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { StandardXYItemRenderer r1 = new StandardXYItemRenderer(); Rectangle2D rect1 = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0); r1.setLegendLine(rect1); StandardXYItemRenderer r2 = (StandardXYItemRenderer) r1.clone(); assertNotSame(r1, r2); assertSame(r1.getClass(), r2.getClass()); assertEquals(r1, r2); // check independence rect1.setRect(4.0, 3.0, 2.0, 1.0); assertFalse(r1.equals(r2)); r2.setLegendLine(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0)); assertEquals(r1, r2); r1.setSeriesShapesFilled(1, Boolean.TRUE); assertFalse(r1.equals(r2)); r2.setSeriesShapesFilled(1, Boolean.TRUE); assertEquals(r1, r2); } /** * Verify that this class implements {@link PublicCloneable}. */ @Test public void testPublicCloneable() { StandardXYItemRenderer r1 = new StandardXYItemRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() throws IOException, ClassNotFoundException { StandardXYItemRenderer r1 = new StandardXYItemRenderer(); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); StandardXYItemRenderer r2 = (StandardXYItemRenderer) in.readObject(); in.close(); 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); StandardXYItemRenderer r = new StandardXYItemRenderer(); 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()); } /** * A check to ensure that an item that falls outside the plot's data area * does NOT generate an item entity. */ @Test public void testNoDisplayedItem() { XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries s1 = new XYSeries("S1"); s1.add(10.0, 10.0); dataset.addSeries(s1); JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y", dataset); XYPlot plot = (XYPlot) chart.getPlot(); plot.setRenderer(new StandardXYItemRenderer()); NumberAxis xAxis = (NumberAxis) plot.getDomainAxis(); xAxis.setRange(0.0, 5.0); NumberAxis yAxis = (NumberAxis) plot.getRangeAxis(); yAxis.setRange(0.0, 5.0); BufferedImage image = new BufferedImage(200 , 100, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); ChartRenderingInfo info = new ChartRenderingInfo(); chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, info); g2.dispose(); EntityCollection ec = info.getEntityCollection(); assertFalse(TestUtils.containsInstanceOf(ec.getEntities(), XYItemEntity.class)); } }