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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.]
- *
- * ------------------------------
- * StackedXYAreaRendererTest.java
- * ------------------------------
- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 25-Mar-2003 : Version 1 (DG);
- * 06-Jan-2005 : Renamed StackedAreaXYRendererTests -->
- * StackedXYAreaRendererTests, improved testEquals() method,
- * added check for auto range calculation (DG);
- * 10-Nov-2006 : Added testBug1593156() (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 static org.junit.Assert.fail;
- import java.awt.BasicStroke;
- import java.awt.Color;
- import java.awt.GradientPaint;
- import java.awt.Stroke;
- import org.jfree.chart.ChartFactory;
- import org.jfree.chart.JFreeChart;
- import org.jfree.chart.TestUtilities;
- import org.jfree.chart.axis.NumberAxis;
- import org.jfree.chart.plot.PlotOrientation;
- import org.jfree.chart.plot.XYPlot;
- import org.jfree.data.Range;
- import org.jfree.data.xy.DefaultTableXYDataset;
- import org.jfree.data.xy.TableXYDataset;
- import org.jfree.data.xy.XYSeries;
- import org.jfree.util.PublicCloneable;
- import org.junit.Test;
- /**
- * Tests for the {@link StackedXYAreaRenderer} class.
- */
- public class StackedXYAreaRendererTest {
- /**
- * Test that the equals() method distinguishes all fields.
- */
- @Test
- public void testEquals() {
- StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
- StackedXYAreaRenderer r2 = new StackedXYAreaRenderer();
- assertEquals(r1, r2);
- assertEquals(r2, r1);
- r1.setShapePaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
- 3.0f, 4.0f, Color.green));
- assertFalse(r1.equals(r2));
- r2.setShapePaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
- 3.0f, 4.0f, Color.green));
- assertTrue(r1.equals(r2));
- Stroke s = new BasicStroke(1.23f);
- r1.setShapeStroke(s);
- assertFalse(r1.equals(r2));
- r2.setShapeStroke(s);
- assertTrue(r1.equals(r2));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashcode() {
- StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
- StackedXYAreaRenderer r2 = new StackedXYAreaRenderer();
- 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 {
- StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
- StackedXYAreaRenderer r2 = (StackedXYAreaRenderer) r1.clone();
- assertTrue(r1 != r2);
- assertTrue(r1.getClass() == r2.getClass());
- assertTrue(r1.equals(r2));
- }
- /**
- * Verify that this class implements {@link PublicCloneable}.
- */
- @Test
- public void testPublicCloneable() {
- StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
- assertTrue(r1 instanceof PublicCloneable);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();
- r1.setShapePaint(Color.red);
- r1.setShapeStroke(new BasicStroke(1.23f));
- StackedXYAreaRenderer r2 = (StackedXYAreaRenderer)
- TestUtilities.serialised(r1);
- assertEquals(r1, r2);
- }
- /**
- * Check that the renderer is calculating the range bounds correctly.
- */
- @Test
- public void testFindRangeBounds() {
- TableXYDataset dataset
- = RendererXYPackageUtils.createTestTableXYDataset();
- JFreeChart chart = ChartFactory.createStackedXYAreaChart(
- "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL,
- false, false, false);
- XYPlot plot = (XYPlot) chart.getPlot();
- NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
- Range bounds = rangeAxis.getRange();
- assertTrue(bounds.contains(6.0));
- assertTrue(bounds.contains(8.0));
- }
- /**
- * Draws the chart with a <code>null</code> info object to make sure that
- * no exceptions are thrown (particularly by code in the renderer).
- */
- @Test
- public void testDrawWithNullInfo() {
- try {
- DefaultTableXYDataset dataset = new DefaultTableXYDataset();
- XYSeries s1 = new XYSeries("Series 1", true, false);
- s1.add(5.0, 5.0);
- s1.add(10.0, 15.5);
- s1.add(15.0, 9.5);
- s1.add(20.0, 7.5);
- dataset.addSeries(s1);
- XYSeries s2 = new XYSeries("Series 2", true, false);
- s2.add(5.0, 5.0);
- s2.add(10.0, 15.5);
- s2.add(15.0, 9.5);
- s2.add(20.0, 3.5);
- dataset.addSeries(s2);
- XYPlot plot = new XYPlot(dataset,
- new NumberAxis("X"), new NumberAxis("Y"),
- new StackedXYAreaRenderer());
- JFreeChart chart = new JFreeChart(plot);
- /* BufferedImage image = */ chart.createBufferedImage(300, 200,
- null);
- }
- catch (NullPointerException e) {
- fail("No exception should be thrown.");
- }
- }
- /**
- * A test for bug 1593156.
- */
- @Test
- public void testBug1593156() {
- try {
- DefaultTableXYDataset dataset = new DefaultTableXYDataset();
- XYSeries s1 = new XYSeries("Series 1", true, false);
- s1.add(5.0, 5.0);
- s1.add(10.0, 15.5);
- s1.add(15.0, 9.5);
- s1.add(20.0, 7.5);
- dataset.addSeries(s1);
- XYSeries s2 = new XYSeries("Series 2", true, false);
- s2.add(5.0, 5.0);
- s2.add(10.0, 15.5);
- s2.add(15.0, 9.5);
- s2.add(20.0, 3.5);
- dataset.addSeries(s2);
- StackedXYAreaRenderer renderer = new StackedXYAreaRenderer(
- XYAreaRenderer.LINES);
- XYPlot plot = new XYPlot(dataset,
- new NumberAxis("X"), new NumberAxis("Y"),
- renderer);
- JFreeChart chart = new JFreeChart(plot);
- /* BufferedImage image = */ chart.createBufferedImage(300, 200,
- null);
- }
- catch (NullPointerException e) {
- fail("No exception should be thrown.");
- }
- }
- }
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