123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184 |
- /* ===========================================================
- * 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.]
- *
- * -------------------------------
- * StackedXYAreaRenderer2Test.java
- * -------------------------------
- * (C) Copyright 2005-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 06-Jan-2005 : Version 1 (DG);
- * 22-Aug-2006 : Added testDrawWithEmptyDataset() method (DG);
- * 30-Nov-2006 : Extended testEquals() (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.assertNull;
- import java.awt.Graphics2D;
- import java.awt.geom.Rectangle2D;
- import java.awt.image.BufferedImage;
- 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.util.PublicCloneable;
- import org.junit.Test;
- /**
- * Tests for the {@link StackedXYAreaRenderer2} class.
- */
- public class StackedXYAreaRenderer2Test {
- /**
- * Test chart drawing with an empty dataset to ensure that this special
- * case doesn't cause any exceptions.
- */
- @Test
- public void testDrawWithEmptyDataset() {
- boolean success = false;
- JFreeChart chart = ChartFactory.createStackedXYAreaChart("title", "x",
- "y", new DefaultTableXYDataset(), PlotOrientation.VERTICAL,
- true, false, false);
- XYPlot plot = (XYPlot) chart.getPlot();
- plot.setRenderer(new StackedXYAreaRenderer2());
- 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) {
- success = false;
- }
- assertTrue(success);
- }
- /**
- * Test that the equals() method distinguishes all fields.
- */
- @Test
- public void testEquals() {
- StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
- StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
- assertEquals(r1, r2);
- assertEquals(r2, r1);
- r1.setRoundXCoordinates(!r1.getRoundXCoordinates());
- assertFalse(r1.equals(r2));
- r2.setRoundXCoordinates(r1.getRoundXCoordinates());
- assertTrue(r1.equals(r2));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashcode() {
- StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
- StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
- 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 {
- StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
- StackedXYAreaRenderer2 r2 = (StackedXYAreaRenderer2) 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() {
- StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
- assertTrue(r1 instanceof PublicCloneable);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
- StackedXYAreaRenderer2 r2 = (StackedXYAreaRenderer2)
- 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();
- StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
- plot.setRenderer(renderer);
- NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
- Range bounds = rangeAxis.getRange();
- assertTrue(bounds.contains(6.0));
- assertTrue(bounds.contains(8.0));
- // try null argument
- assertNull(renderer.findRangeBounds(null));
- // try empty dataset
- assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
- }
- }
|