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jfreechart example source code file (CategoryPlotTests.java)
The jfreechart CategoryPlotTests.java source code/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2009, 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. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ---------------------- * CategoryPlotTests.java * ---------------------- * (C) Copyright 2003-2009, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 26-Mar-2003 : Version 1 (DG); * 15-Sep-2003 : Added a unit test to reproduce a bug in serialization (now * fixed) (DG); * 05-Feb-2007 : Added testAddDomainMarker() and testAddRangeMarker() (DG); * 07-Feb-2007 : Added test1654215() (DG); * 07-Apr-2008 : Added testRemoveDomainMarker() and * testRemoveRangeMarker() (DG); * 23-Apr-2008 : Extended testEquals() and testCloning(), and added * testCloning2() and testCloning3() (DG); * 26-Jun-2008 : Updated testEquals() (DG); * 21-Jan-2009 : Updated testEquals() for new fields (DG); * */ package org.jfree.chart.plot.junit; import java.awt.BasicStroke; import java.awt.Color; import java.awt.GradientPaint; import java.awt.Graphics2D; import java.awt.Stroke; 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.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.util.Arrays; import java.util.List; 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.LegendItemCollection; import org.jfree.chart.annotations.CategoryLineAnnotation; import org.jfree.chart.annotations.CategoryTextAnnotation; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.AxisSpace; import org.jfree.chart.axis.CategoryAnchor; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.event.MarkerChangeListener; import org.jfree.chart.plot.CategoryMarker; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.DatasetRenderingOrder; import org.jfree.chart.plot.IntervalMarker; import org.jfree.chart.plot.Marker; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.ValueMarker; import org.jfree.chart.renderer.category.AreaRenderer; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.CategoryItemRenderer; import org.jfree.chart.renderer.category.DefaultCategoryItemRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.Range; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.Layer; import org.jfree.ui.RectangleInsets; import org.jfree.util.SortOrder; /** * Tests for the {@link CategoryPlot} class. */ public class CategoryPlotTests extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(CategoryPlotTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public CategoryPlotTests(String name) { super(name); } /** * Some checks for the constructor. */ public void testConstructor() { CategoryPlot plot = new CategoryPlot(); assertEquals(RectangleInsets.ZERO_INSETS, plot.getAxisOffset()); } /** * A test for a bug reported in the forum. */ public void testAxisRange() { DefaultCategoryDataset datasetA = new DefaultCategoryDataset(); DefaultCategoryDataset datasetB = new DefaultCategoryDataset(); datasetB.addValue(50.0, "R1", "C1"); datasetB.addValue(80.0, "R1", "C1"); CategoryPlot plot = new CategoryPlot(datasetA, new CategoryAxis(null), new NumberAxis(null), new LineAndShapeRenderer()); plot.setDataset(1, datasetB); plot.setRenderer(1, new LineAndShapeRenderer()); Range r = plot.getRangeAxis().getRange(); assertEquals(84.0, r.getUpperBound(), 0.00001); } /** * Test that the equals() method differentiates all the required fields. */ public void testEquals() { CategoryPlot plot1 = new CategoryPlot(); CategoryPlot plot2 = new CategoryPlot(); assertTrue(plot1.equals(plot2)); assertTrue(plot2.equals(plot1)); // orientation... plot1.setOrientation(PlotOrientation.HORIZONTAL); assertFalse(plot1.equals(plot2)); plot2.setOrientation(PlotOrientation.HORIZONTAL); assertTrue(plot1.equals(plot2)); // axisOffset... plot1.setAxisOffset(new RectangleInsets(0.05, 0.05, 0.05, 0.05)); assertFalse(plot1.equals(plot2)); plot2.setAxisOffset(new RectangleInsets(0.05, 0.05, 0.05, 0.05)); assertTrue(plot1.equals(plot2)); // domainAxis - no longer a separate field but test anyway... plot1.setDomainAxis(new CategoryAxis("Category Axis")); assertFalse(plot1.equals(plot2)); plot2.setDomainAxis(new CategoryAxis("Category Axis")); assertTrue(plot1.equals(plot2)); // domainAxes... plot1.setDomainAxis(11, new CategoryAxis("Secondary Axis")); assertFalse(plot1.equals(plot2)); plot2.setDomainAxis(11, new CategoryAxis("Secondary Axis")); assertTrue(plot1.equals(plot2)); // domainAxisLocation - no longer a separate field but test anyway... plot1.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT); assertFalse(plot1.equals(plot2)); plot2.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT); assertTrue(plot1.equals(plot2)); // domainAxisLocations... plot1.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT); assertFalse(plot1.equals(plot2)); plot2.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT); assertTrue(plot1.equals(plot2)); // draw shared domain axis... plot1.setDrawSharedDomainAxis(!plot1.getDrawSharedDomainAxis()); assertFalse(plot1.equals(plot2)); plot2.setDrawSharedDomainAxis(!plot2.getDrawSharedDomainAxis()); assertTrue(plot1.equals(plot2)); // rangeAxis - no longer a separate field but test anyway... plot1.setRangeAxis(new NumberAxis("Range Axis")); assertFalse(plot1.equals(plot2)); plot2.setRangeAxis(new NumberAxis("Range Axis")); assertTrue(plot1.equals(plot2)); // rangeAxes... plot1.setRangeAxis(11, new NumberAxis("Secondary Range Axis")); assertFalse(plot1.equals(plot2)); plot2.setRangeAxis(11, new NumberAxis("Secondary Range Axis")); assertTrue(plot1.equals(plot2)); // rangeAxisLocation - no longer a separate field but test anyway... plot1.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT); assertFalse(plot1.equals(plot2)); plot2.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT); assertTrue(plot1.equals(plot2)); // rangeAxisLocations... plot1.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT); assertFalse(plot1.equals(plot2)); plot2.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT); assertTrue(plot1.equals(plot2)); // datasetToDomainAxisMap... plot1.mapDatasetToDomainAxis(11, 11); assertFalse(plot1.equals(plot2)); plot2.mapDatasetToDomainAxis(11, 11); assertTrue(plot1.equals(plot2)); // datasetToRangeAxisMap... plot1.mapDatasetToRangeAxis(11, 11); assertFalse(plot1.equals(plot2)); plot2.mapDatasetToRangeAxis(11, 11); assertTrue(plot1.equals(plot2)); // renderer - no longer a separate field but test anyway... plot1.setRenderer(new AreaRenderer()); assertFalse(plot1.equals(plot2)); plot2.setRenderer(new AreaRenderer()); assertTrue(plot1.equals(plot2)); // renderers... plot1.setRenderer(11, new AreaRenderer()); assertFalse(plot1.equals(plot2)); plot2.setRenderer(11, new AreaRenderer()); assertTrue(plot1.equals(plot2)); // rendering order... plot1.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); assertFalse(plot1.equals(plot2)); plot2.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); assertTrue(plot1.equals(plot2)); // columnRenderingOrder... plot1.setColumnRenderingOrder(SortOrder.DESCENDING); assertFalse(plot1.equals(plot2)); plot2.setColumnRenderingOrder(SortOrder.DESCENDING); assertTrue(plot1.equals(plot2)); // rowRenderingOrder... plot1.setRowRenderingOrder(SortOrder.DESCENDING); assertFalse(plot1.equals(plot2)); plot2.setRowRenderingOrder(SortOrder.DESCENDING); assertTrue(plot1.equals(plot2)); // domainGridlinesVisible plot1.setDomainGridlinesVisible(true); assertFalse(plot1.equals(plot2)); plot2.setDomainGridlinesVisible(true); assertTrue(plot1.equals(plot2)); // domainGridlinePosition plot1.setDomainGridlinePosition(CategoryAnchor.END); assertFalse(plot1.equals(plot2)); plot2.setDomainGridlinePosition(CategoryAnchor.END); assertTrue(plot1.equals(plot2)); // domainGridlineStroke Stroke stroke = new BasicStroke(2.0f); plot1.setDomainGridlineStroke(stroke); assertFalse(plot1.equals(plot2)); plot2.setDomainGridlineStroke(stroke); assertTrue(plot1.equals(plot2)); // domainGridlinePaint plot1.setDomainGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue, 3.0f, 4.0f, Color.yellow)); assertFalse(plot1.equals(plot2)); plot2.setDomainGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue, 3.0f, 4.0f, Color.yellow)); assertTrue(plot1.equals(plot2)); // rangeGridlinesVisible plot1.setRangeGridlinesVisible(false); assertFalse(plot1.equals(plot2)); plot2.setRangeGridlinesVisible(false); assertTrue(plot1.equals(plot2)); // rangeGridlineStroke plot1.setRangeGridlineStroke(stroke); assertFalse(plot1.equals(plot2)); plot2.setRangeGridlineStroke(stroke); assertTrue(plot1.equals(plot2)); // rangeGridlinePaint plot1.setRangeGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.yellow)); assertFalse(plot1.equals(plot2)); plot2.setRangeGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.yellow)); assertTrue(plot1.equals(plot2)); // anchorValue plot1.setAnchorValue(100.0); assertFalse(plot1.equals(plot2)); plot2.setAnchorValue(100.0); assertTrue(plot1.equals(plot2)); // rangeCrosshairVisible plot1.setRangeCrosshairVisible(true); assertFalse(plot1.equals(plot2)); plot2.setRangeCrosshairVisible(true); assertTrue(plot1.equals(plot2)); // rangeCrosshairValue plot1.setRangeCrosshairValue(100.0); assertFalse(plot1.equals(plot2)); plot2.setRangeCrosshairValue(100.0); assertTrue(plot1.equals(plot2)); // rangeCrosshairStroke plot1.setRangeCrosshairStroke(stroke); assertFalse(plot1.equals(plot2)); plot2.setRangeCrosshairStroke(stroke); assertTrue(plot1.equals(plot2)); // rangeCrosshairPaint plot1.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.white, 3.0f, 4.0f, Color.yellow)); assertFalse(plot1.equals(plot2)); plot2.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.white, 3.0f, 4.0f, Color.yellow)); assertTrue(plot1.equals(plot2)); // rangeCrosshairLockedOnData plot1.setRangeCrosshairLockedOnData(false); assertFalse(plot1.equals(plot2)); plot2.setRangeCrosshairLockedOnData(false); assertTrue(plot1.equals(plot2)); // foreground domain markers plot1.addDomainMarker(new CategoryMarker("C1"), Layer.FOREGROUND); assertFalse(plot1.equals(plot2)); plot2.addDomainMarker(new CategoryMarker("C1"), Layer.FOREGROUND); assertTrue(plot1.equals(plot2)); // background domain markers plot1.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND); assertFalse(plot1.equals(plot2)); plot2.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND); assertTrue(plot1.equals(plot2)); // range markers - no longer separate fields but test anyway... plot1.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND); assertFalse(plot1.equals(plot2)); plot2.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND); assertTrue(plot1.equals(plot2)); plot1.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND); assertFalse(plot1.equals(plot2)); plot2.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND); assertTrue(plot1.equals(plot2)); // foreground range markers... plot1.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND); assertFalse(plot1.equals(plot2)); plot2.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND); assertTrue(plot1.equals(plot2)); // background range markers... plot1.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND); assertFalse(plot1.equals(plot2)); plot2.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND); assertTrue(plot1.equals(plot2)); // annotations plot1.addAnnotation(new CategoryTextAnnotation("Text", "Category", 43.0)); assertFalse(plot1.equals(plot2)); plot2.addAnnotation(new CategoryTextAnnotation("Text", "Category", 43.0)); assertTrue(plot1.equals(plot2)); // weight plot1.setWeight(3); assertFalse(plot1.equals(plot2)); plot2.setWeight(3); assertTrue(plot1.equals(plot2)); // fixed domain axis space... plot1.setFixedDomainAxisSpace(new AxisSpace()); assertFalse(plot1.equals(plot2)); plot2.setFixedDomainAxisSpace(new AxisSpace()); assertTrue(plot1.equals(plot2)); // fixed range axis space... plot1.setFixedRangeAxisSpace(new AxisSpace()); assertFalse(plot1.equals(plot2)); plot2.setFixedRangeAxisSpace(new AxisSpace()); assertTrue(plot1.equals(plot2)); // fixed legend items plot1.setFixedLegendItems(new LegendItemCollection()); assertFalse(plot1.equals(plot2)); plot2.setFixedLegendItems(new LegendItemCollection()); assertTrue(plot1.equals(plot2)); // crosshairDatasetIndex plot1.setCrosshairDatasetIndex(99); assertFalse(plot1.equals(plot2)); plot2.setCrosshairDatasetIndex(99); assertTrue(plot1.equals(plot2)); // domainCrosshairColumnKey plot1.setDomainCrosshairColumnKey("A"); assertFalse(plot1.equals(plot2)); plot2.setDomainCrosshairColumnKey("A"); assertTrue(plot1.equals(plot2)); // domainCrosshairRowKey plot1.setDomainCrosshairRowKey("B"); assertFalse(plot1.equals(plot2)); plot2.setDomainCrosshairRowKey("B"); assertTrue(plot1.equals(plot2)); // domainCrosshairVisible plot1.setDomainCrosshairVisible(true); assertFalse(plot1.equals(plot2)); plot2.setDomainCrosshairVisible(true); assertTrue(plot1.equals(plot2)); // domainCrosshairPaint plot1.setDomainCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertFalse(plot1.equals(plot2)); plot2.setDomainCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertTrue(plot1.equals(plot2)); // domainCrosshairStroke plot1.setDomainCrosshairStroke(new BasicStroke(1.23f)); assertFalse(plot1.equals(plot2)); plot2.setDomainCrosshairStroke(new BasicStroke(1.23f)); assertTrue(plot1.equals(plot2)); plot1.setRangeMinorGridlinesVisible(true); assertFalse(plot1.equals(plot2)); plot2.setRangeMinorGridlinesVisible(true); assertTrue(plot1.equals(plot2)); plot1.setRangeMinorGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertFalse(plot1.equals(plot2)); plot2.setRangeMinorGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertTrue(plot1.equals(plot2)); plot1.setRangeMinorGridlineStroke(new BasicStroke(1.23f)); assertFalse(plot1.equals(plot2)); plot2.setRangeMinorGridlineStroke(new BasicStroke(1.23f)); assertTrue(plot1.equals(plot2)); plot1.setRangeZeroBaselineVisible(!plot1.isRangeZeroBaselineVisible()); assertFalse(plot1.equals(plot2)); plot2.setRangeZeroBaselineVisible(!plot2.isRangeZeroBaselineVisible()); assertTrue(plot1.equals(plot2)); plot1.setRangeZeroBaselinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertFalse(plot1.equals(plot2)); plot2.setRangeZeroBaselinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue)); assertTrue(plot1.equals(plot2)); plot1.setRangeZeroBaselineStroke(new BasicStroke(1.23f)); assertFalse(plot1.equals(plot2)); plot2.setRangeZeroBaselineStroke(new BasicStroke(1.23f)); assertTrue(plot1.equals(plot2)); } /** * Confirm that cloning works. */ public void testCloning() { CategoryPlot p1 = new CategoryPlot(); p1.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.white, 3.0f, 4.0f, Color.yellow)); p1.setRangeMinorGridlinePaint(new GradientPaint(2.0f, 3.0f, Color.white, 4.0f, 5.0f, Color.red)); p1.setRangeZeroBaselinePaint(new GradientPaint(3.0f, 4.0f, Color.red, 5.0f, 6.0f, Color.white)); CategoryPlot p2 = null; try { p2 = (CategoryPlot) p1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2)); // check independence p1.addAnnotation(new CategoryLineAnnotation("C1", 1.0, "C2", 2.0, Color.red, new BasicStroke(1.0f))); assertFalse(p1.equals(p2)); p2.addAnnotation(new CategoryLineAnnotation("C1", 1.0, "C2", 2.0, Color.red, new BasicStroke(1.0f))); assertTrue(p1.equals(p2)); p1.addDomainMarker(new CategoryMarker("C1"), Layer.FOREGROUND); assertFalse(p1.equals(p2)); p2.addDomainMarker(new CategoryMarker("C1"), Layer.FOREGROUND); assertTrue(p1.equals(p2)); p1.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND); assertFalse(p1.equals(p2)); p2.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND); assertTrue(p1.equals(p2)); p1.addRangeMarker(new ValueMarker(1.0), Layer.FOREGROUND); assertFalse(p1.equals(p2)); p2.addRangeMarker(new ValueMarker(1.0), Layer.FOREGROUND); assertTrue(p1.equals(p2)); p1.addRangeMarker(new ValueMarker(2.0), Layer.BACKGROUND); assertFalse(p1.equals(p2)); p2.addRangeMarker(new ValueMarker(2.0), Layer.BACKGROUND); assertTrue(p1.equals(p2)); } /** * Some more cloning checks. */ public void testCloning2() { AxisSpace da1 = new AxisSpace(); AxisSpace ra1 = new AxisSpace(); CategoryPlot p1 = new CategoryPlot(); p1.setFixedDomainAxisSpace(da1); p1.setFixedRangeAxisSpace(ra1); CategoryPlot p2 = null; try { p2 = (CategoryPlot) p1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2)); da1.setBottom(99.0); assertFalse(p1.equals(p2)); p2.getFixedDomainAxisSpace().setBottom(99.0); assertTrue(p1.equals(p2)); ra1.setBottom(11.0); assertFalse(p1.equals(p2)); p2.getFixedRangeAxisSpace().setBottom(11.0); assertTrue(p1.equals(p2)); } /** * Some more cloning checks. */ public void testCloning3() { LegendItemCollection c1 = new LegendItemCollection(); CategoryPlot p1 = new CategoryPlot(); p1.setFixedLegendItems(c1); CategoryPlot p2 = null; try { p2 = (CategoryPlot) p1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2)); c1.add(new LegendItem("X", "XX", "tt", "url", true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), true, Color.red, true, Color.yellow, new BasicStroke(1.0f), true, new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(1.0f), Color.green)); assertFalse(p1.equals(p2)); p2.getFixedLegendItems().add(new LegendItem("X", "XX", "tt", "url", true, new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), true, Color.red, true, Color.yellow, new BasicStroke(1.0f), true, new Line2D.Double(1.0, 2.0, 3.0, 4.0), new BasicStroke(1.0f), Color.green)); assertTrue(p1.equals(p2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); CategoryAxis domainAxis = new CategoryAxis("Domain"); NumberAxis rangeAxis = new NumberAxis("Range"); BarRenderer renderer = new BarRenderer(); CategoryPlot p1 = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer); p1.setOrientation(PlotOrientation.HORIZONTAL); CategoryPlot p2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); p2 = (CategoryPlot) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertTrue(p1.equals(p2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization2() { DefaultCategoryDataset data = new DefaultCategoryDataset(); CategoryAxis domainAxis = new CategoryAxis("Domain"); NumberAxis rangeAxis = new NumberAxis("Range"); BarRenderer renderer = new BarRenderer(); CategoryPlot p1 = new CategoryPlot(data, domainAxis, rangeAxis, renderer); p1.setOrientation(PlotOrientation.VERTICAL); CategoryPlot p2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); p2 = (CategoryPlot) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(p1, p2); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization3() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); JFreeChart chart = ChartFactory.createBarChart( "Test Chart", "Category Axis", "Value Axis", dataset, PlotOrientation.VERTICAL, true, true, false ); JFreeChart chart2 = null; // serialize and deserialize the chart.... try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(chart); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); chart2 = (JFreeChart) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } // now check that the chart is usable... boolean passed = true; try { chart2.createBufferedImage(300, 200); } catch (Exception e) { passed = false; e.printStackTrace(); } assertTrue(passed); } /** * This test ensures that a plot with markers is serialized correctly. */ public void testSerialization4() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); JFreeChart chart = ChartFactory.createBarChart( "Test Chart", "Category Axis", "Value Axis", dataset, PlotOrientation.VERTICAL, true, true, false ); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.addRangeMarker(new ValueMarker(1.1), Layer.FOREGROUND); plot.addRangeMarker(new IntervalMarker(2.2, 3.3), Layer.BACKGROUND); JFreeChart chart2 = null; // serialize and deserialize the chart.... try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(chart); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); chart2 = (JFreeChart) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(chart, chart2); // now check that the chart is usable... boolean passed = true; try { chart2.createBufferedImage(300, 200); } catch (Exception e) { passed = false; e.printStackTrace(); } assertTrue(passed); } /** * Tests a bug where the plot is no longer registered as a listener * with the dataset(s) and axes after deserialization. See patch 1209475 * at SourceForge. */ public void testSerialization5() { DefaultCategoryDataset dataset1 = new DefaultCategoryDataset(); CategoryAxis domainAxis1 = new CategoryAxis("Domain 1"); NumberAxis rangeAxis1 = new NumberAxis("Range 1"); BarRenderer renderer1 = new BarRenderer(); CategoryPlot p1 = new CategoryPlot(dataset1, domainAxis1, rangeAxis1, renderer1); CategoryAxis domainAxis2 = new CategoryAxis("Domain 2"); NumberAxis rangeAxis2 = new NumberAxis("Range 2"); BarRenderer renderer2 = new BarRenderer(); DefaultCategoryDataset dataset2 = new DefaultCategoryDataset(); p1.setDataset(1, dataset2); p1.setDomainAxis(1, domainAxis2); p1.setRangeAxis(1, rangeAxis2); p1.setRenderer(1, renderer2); CategoryPlot p2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); p2 = (CategoryPlot) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(p1, p2); // now check that all datasets, renderers and axes are being listened // too... CategoryAxis domainAxisA = p2.getDomainAxis(0); NumberAxis rangeAxisA = (NumberAxis) p2.getRangeAxis(0); DefaultCategoryDataset datasetA = (DefaultCategoryDataset) p2.getDataset(0); BarRenderer rendererA = (BarRenderer) p2.getRenderer(0); CategoryAxis domainAxisB = p2.getDomainAxis(1); NumberAxis rangeAxisB = (NumberAxis) p2.getRangeAxis(1); DefaultCategoryDataset datasetB = (DefaultCategoryDataset) p2.getDataset(1); BarRenderer rendererB = (BarRenderer) p2.getRenderer(1); assertTrue(datasetA.hasListener(p2)); assertTrue(domainAxisA.hasListener(p2)); assertTrue(rangeAxisA.hasListener(p2)); assertTrue(rendererA.hasListener(p2)); assertTrue(datasetB.hasListener(p2)); assertTrue(domainAxisB.hasListener(p2)); assertTrue(rangeAxisB.hasListener(p2)); assertTrue(rendererB.hasListener(p2)); } /** * A test for a bug where setting the renderer doesn't register the plot * as a RendererChangeListener. */ public void testSetRenderer() { CategoryPlot plot = new CategoryPlot(); CategoryItemRenderer renderer = new LineAndShapeRenderer(); plot.setRenderer(renderer); // now make a change to the renderer and see if it triggers a plot // change event... MyPlotChangeListener listener = new MyPlotChangeListener(); plot.addChangeListener(listener); renderer.setSeriesPaint(0, Color.black); assertTrue(listener.getEvent() != null); } /** * A test for bug report 1169972. */ public void test1169972() { CategoryPlot plot = new CategoryPlot(null, null, null, null); plot.setDomainAxis(new CategoryAxis("C")); plot.setRangeAxis(new NumberAxis("Y")); plot.setRenderer(new BarRenderer()); plot.setDataset(new DefaultCategoryDataset()); assertTrue(plot != null); } /** * Some tests for the addDomainMarker() method(s). */ public void testAddDomainMarker() { CategoryPlot plot = new CategoryPlot(); CategoryMarker m = new CategoryMarker("C1"); plot.addDomainMarker(m); List listeners = Arrays.asList(m.getListeners( MarkerChangeListener.class)); assertTrue(listeners.contains(plot)); plot.clearDomainMarkers(); listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class)); assertFalse(listeners.contains(plot)); } /** * Some tests for the addRangeMarker() method(s). */ public void testAddRangeMarker() { CategoryPlot plot = new CategoryPlot(); Marker m = new ValueMarker(1.0); plot.addRangeMarker(m); List listeners = Arrays.asList(m.getListeners( MarkerChangeListener.class)); assertTrue(listeners.contains(plot)); plot.clearRangeMarkers(); listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class)); assertFalse(listeners.contains(plot)); } /** * A test for bug 1654215 (where a renderer is added to the plot without * a corresponding dataset and it throws an exception at drawing time). */ public void test1654215() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); JFreeChart chart = ChartFactory.createLineChart("Title", "X", "Y", dataset, PlotOrientation.VERTICAL, true, false, false); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setRenderer(1, new LineAndShapeRenderer()); boolean success = false; try { BufferedImage image = new BufferedImage(200 , 100, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null); g2.dispose(); success = true; } catch (Exception e) { e.printStackTrace(); success = false; } assertTrue(success); } /** * Some checks for the getDomainAxisIndex() method. */ public void testGetDomainAxisIndex() { CategoryAxis domainAxis1 = new CategoryAxis("X1"); CategoryAxis domainAxis2 = new CategoryAxis("X2"); NumberAxis rangeAxis1 = new NumberAxis("Y1"); CategoryPlot plot = new CategoryPlot(null, domainAxis1, rangeAxis1, null); assertEquals(0, plot.getDomainAxisIndex(domainAxis1)); assertEquals(-1, plot.getDomainAxisIndex(domainAxis2)); plot.setDomainAxis(1, domainAxis2); assertEquals(1, plot.getDomainAxisIndex(domainAxis2)); assertEquals(-1, plot.getDomainAxisIndex(new CategoryAxis("X2"))); boolean pass = false; try { plot.getDomainAxisIndex(null); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); } /** * Some checks for the getRangeAxisIndex() method. */ public void testGetRangeAxisIndex() { CategoryAxis domainAxis1 = new CategoryAxis("X1"); NumberAxis rangeAxis1 = new NumberAxis("Y1"); NumberAxis rangeAxis2 = new NumberAxis("Y2"); CategoryPlot plot = new CategoryPlot(null, domainAxis1, rangeAxis1, null); assertEquals(0, plot.getRangeAxisIndex(rangeAxis1)); assertEquals(-1, plot.getRangeAxisIndex(rangeAxis2)); plot.setRangeAxis(1, rangeAxis2); assertEquals(1, plot.getRangeAxisIndex(rangeAxis2)); assertEquals(-1, plot.getRangeAxisIndex(new NumberAxis("Y2"))); boolean pass = false; try { plot.getRangeAxisIndex(null); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); } /** * Check that removing a marker that isn't assigned to the plot returns * false. */ public void testRemoveDomainMarker() { CategoryPlot plot = new CategoryPlot(); assertFalse(plot.removeDomainMarker(new CategoryMarker("Category 1"))); } /** * Check that removing a marker that isn't assigned to the plot returns * false. */ public void testRemoveRangeMarker() { CategoryPlot plot = new CategoryPlot(); assertFalse(plot.removeRangeMarker(new ValueMarker(0.5))); } /** * Some tests for the getDomainAxisForDataset() method. */ public void testGetDomainAxisForDataset() { CategoryDataset dataset = new DefaultCategoryDataset(); CategoryAxis xAxis = new CategoryAxis("X"); NumberAxis yAxis = new NumberAxis("Y"); CategoryItemRenderer renderer = new BarRenderer(); CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer); assertEquals(xAxis, plot.getDomainAxisForDataset(0)); // should get IllegalArgumentException for negative index boolean pass = false; try { plot.getDomainAxisForDataset(-1); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); // if multiple axes are mapped, the first in the list should be // returned... CategoryAxis xAxis2 = new CategoryAxis("X2"); plot.setDomainAxis(1, xAxis2); assertEquals(xAxis, plot.getDomainAxisForDataset(0)); plot.mapDatasetToDomainAxis(0, 1); assertEquals(xAxis2, plot.getDomainAxisForDataset(0)); List axisIndices = Arrays.asList(new Integer[] {new Integer(0), new Integer(1)}); plot.mapDatasetToDomainAxes(0, axisIndices); assertEquals(xAxis, plot.getDomainAxisForDataset(0)); axisIndices = Arrays.asList(new Integer[] {new Integer(1), new Integer(2)}); plot.mapDatasetToDomainAxes(0, axisIndices); assertEquals(xAxis2, plot.getDomainAxisForDataset(0)); } /** * Some tests for the getRangeAxisForDataset() method. */ public void testGetRangeAxisForDataset() { CategoryDataset dataset = new DefaultCategoryDataset(); CategoryAxis xAxis = new CategoryAxis("X"); NumberAxis yAxis = new NumberAxis("Y"); CategoryItemRenderer renderer = new DefaultCategoryItemRenderer(); CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer); assertEquals(yAxis, plot.getRangeAxisForDataset(0)); // should get IllegalArgumentException for negative index boolean pass = false; try { plot.getRangeAxisForDataset(-1); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); // if multiple axes are mapped, the first in the list should be // returned... NumberAxis yAxis2 = new NumberAxis("Y2"); plot.setRangeAxis(1, yAxis2); assertEquals(yAxis, plot.getRangeAxisForDataset(0)); plot.mapDatasetToRangeAxis(0, 1); assertEquals(yAxis2, plot.getRangeAxisForDataset(0)); List axisIndices = Arrays.asList(new Integer[] {new Integer(0), new Integer(1)}); plot.mapDatasetToRangeAxes(0, axisIndices); assertEquals(yAxis, plot.getRangeAxisForDataset(0)); axisIndices = Arrays.asList(new Integer[] {new Integer(1), new Integer(2)}); plot.mapDatasetToRangeAxes(0, axisIndices); assertEquals(yAxis2, plot.getRangeAxisForDataset(0)); } } Other jfreechart examples (source code examples)Here is a short list of links related to this jfreechart CategoryPlotTests.java source code file: |
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