/* =========================================================== * 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.] * * ----------------------- * XYBarRendererTests.java * ----------------------- * (C) Copyright 2003-2008, 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); * 09-Feb-2007 : Added to testCloning() (DG); * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG); * 22-Apr-2008 : Added testPublicCloneable (DG); * 19-Jun-2008 : Added testFindRangeBounds() (DG); * */ package org.jfree.chart.renderer.xy.junit; import java.awt.geom.Rectangle2D; 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 junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.LegendItem; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.labels.ItemLabelPosition; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.GradientXYBarPainter; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.data.Range; import org.jfree.data.xy.DefaultIntervalXYDataset; import org.jfree.data.xy.XYBarDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.GradientPaintTransformType; import org.jfree.ui.StandardGradientPaintTransformer; import org.jfree.util.PublicCloneable; /** * Tests for the {@link XYBarRenderer} class. */ public class XYBarRendererTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(XYBarRendererTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public XYBarRendererTests(String name) { super(name); } /** * Test that the equals() method distinguishes all fields. */ public void testEquals() { // default instances XYBarRenderer r1 = new XYBarRenderer(); XYBarRenderer r2 = new XYBarRenderer(); assertTrue(r1.equals(r2)); assertTrue(r2.equals(r1)); // setBase() r1.setBase(1.0); assertFalse(r1.equals(r2)); r2.setBase(1.0); assertTrue(r1.equals(r2)); // setUseYInterval r1.setUseYInterval(!r1.getUseYInterval()); assertFalse(r1.equals(r2)); r2.setUseYInterval(!r2.getUseYInterval()); assertTrue(r1.equals(r2)); // setMargin() r1.setMargin(0.10); assertFalse(r1.equals(r2)); r2.setMargin(0.10); assertTrue(r1.equals(r2)); // setDrawBarOutline() r1.setDrawBarOutline(!r1.isDrawBarOutline()); assertFalse(r1.equals(r2)); r2.setDrawBarOutline(!r2.isDrawBarOutline()); assertTrue(r1.equals(r2)); // setGradientPaintTransformer() r1.setGradientPaintTransformer(new StandardGradientPaintTransformer( GradientPaintTransformType.CENTER_HORIZONTAL)); assertFalse(r1.equals(r2)); r2.setGradientPaintTransformer(new StandardGradientPaintTransformer( GradientPaintTransformType.CENTER_HORIZONTAL)); assertTrue(r1.equals(r2)); // legendBar r1.setLegendBar(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0)); assertFalse(r1.equals(r2)); r2.setLegendBar(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0)); assertTrue(r1.equals(r2)); // positiveItemLabelFallbackPosition r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition()); assertFalse(r1.equals(r2)); r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition()); assertTrue(r1.equals(r2)); // negativeItemLabelFallbackPosition r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition()); assertFalse(r1.equals(r2)); r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition()); assertTrue(r1.equals(r2)); // barPainter r1.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33)); assertFalse(r1.equals(r2)); r2.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33)); assertTrue(r1.equals(r2)); // shadowsVisible r1.setShadowVisible(false); assertFalse(r1.equals(r2)); r2.setShadowVisible(false); assertTrue(r1.equals(r2)); // shadowXOffset r1.setShadowXOffset(3.3); assertFalse(r1.equals(r2)); r2.setShadowXOffset(3.3); assertTrue(r1.equals(r2)); // shadowYOffset r1.setShadowYOffset(3.3); assertFalse(r1.equals(r2)); r2.setShadowYOffset(3.3); assertTrue(r1.equals(r2)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashcode() { XYBarRenderer r1 = new XYBarRenderer(); XYBarRenderer r2 = new XYBarRenderer(); assertTrue(r1.equals(r2)); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { XYBarRenderer r1 = new XYBarRenderer(); Rectangle2D rect = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0); r1.setLegendBar(rect); XYBarRenderer r2 = null; try { r2 = (XYBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); // check independence rect.setRect(4.0, 3.0, 2.0, 1.0); assertFalse(r1.equals(r2)); r2.setLegendBar(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0)); assertTrue(r1.equals(r2)); } /** * Verify that this class implements {@link PublicCloneable}. */ public void testPublicCloneable() { XYBarRenderer r1 = new XYBarRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { XYBarRenderer r1 = new XYBarRenderer(); XYBarRenderer r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (XYBarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization2() { XYBarRenderer r1 = new XYBarRenderer(); r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition()); XYBarRenderer r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (XYBarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2); } /** * Check that the renderer is calculating the domain bounds correctly. */ public void testFindDomainBounds() { XYSeriesCollection dataset = RendererXYPackageTests.createTestXYSeriesCollection(); JFreeChart chart = ChartFactory.createXYBarChart("Test Chart", "X", false, "Y", dataset, PlotOrientation.VERTICAL, false, false, false); XYPlot plot = (XYPlot) chart.getPlot(); NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis(); domainAxis.setAutoRangeIncludesZero(false); Range bounds = domainAxis.getRange(); assertFalse(bounds.contains(0.3)); assertTrue(bounds.contains(0.5)); assertTrue(bounds.contains(2.5)); assertFalse(bounds.contains(2.8)); } private static final double EPSILON = 0.0000000001; /** * A simple test for the findRangeBounds() method. */ public void testFindRangeBounds() { DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset(); double[] x = {1.0, 2.0, 3.0, 4.0}; double[] startx = {0.9, 1.8, 2.7, 3.6}; double[] endx = {1.1, 2.2, 3.3, 4.4}; double[] y = {1.0, 2.0, 3.0, 4.0}; double[] starty = {0.9, 1.8, 2.7, 3.6}; double[] endy = {1.1, 2.2, 3.3, 4.4}; double[][] data = new double[][] {x, startx, endx, y, starty, endy}; dataset.addSeries("Series 1", data); XYBarRenderer renderer = new XYBarRenderer(); renderer.setUseYInterval(true); Range r = renderer.findRangeBounds(dataset); assertEquals(0.9, r.getLowerBound(), EPSILON); assertEquals(4.4, r.getUpperBound(), EPSILON); renderer.setUseYInterval(false); r = renderer.findRangeBounds(dataset); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(4.0, r.getUpperBound(), EPSILON); } /** * A check for the datasetIndex and seriesIndex fields in the LegendItem * returned by the getLegendItem() method. */ 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); XYBarRenderer r = new XYBarRenderer(); XYPlot plot = new XYPlot(new XYBarDataset(d1, 1.0), new NumberAxis("x"), new NumberAxis("y"), r); plot.setDataset(1, new XYBarDataset(d2, 2.0)); /*JFreeChart chart =*/ new JFreeChart(plot); LegendItem li = r.getLegendItem(1, 2); assertEquals("S5", li.getLabel()); assertEquals(1, li.getDatasetIndex()); assertEquals(2, li.getSeriesIndex()); } }