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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.]
- *
- * ------------------------
- * XYBlockRendererTest.java
- * ------------------------
- * (C) Copyright 2006-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 05-Jul-2006 : Version 1 (DG);
- * 09-Mar-2007 : Added independence check to testCloning (DG);
- * 22-Apr-2008 : Added testPublicCloneable (DG);
- * 20-Oct-2011 : Added testFindDomainBounds() and testFindRangeBounds() (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.Color;
- import org.jfree.chart.TestUtilities;
- import org.jfree.chart.renderer.GrayPaintScale;
- import org.jfree.chart.renderer.LookupPaintScale;
- import org.jfree.data.Range;
- import org.jfree.data.xy.DefaultXYZDataset;
- import org.jfree.data.xy.XYSeriesCollection;
- import org.jfree.data.xy.XYSeries;
- import org.jfree.util.PublicCloneable;
- import org.junit.Test;
- /**
- * Tests for the {@link XYBlockRenderer} class.
- */
- public class XYBlockRendererTest {
- private static final double EPSILON = 0.0000000001;
- /**
- * Test that the equals() method distinguishes all fields.
- */
- @Test
- public void testEquals() {
- // default instances
- XYBlockRenderer r1 = new XYBlockRenderer();
- XYBlockRenderer r2 = new XYBlockRenderer();
- assertTrue(r1.equals(r2));
- assertTrue(r2.equals(r1));
- // blockHeight
- r1.setBlockHeight(2.0);
- assertFalse(r1.equals(r2));
- r2.setBlockHeight(2.0);
- assertTrue(r1.equals(r2));
- // blockWidth
- r1.setBlockWidth(2.0);
- assertFalse(r1.equals(r2));
- r2.setBlockWidth(2.0);
- assertTrue(r1.equals(r2));
- // paintScale
- r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
- assertFalse(r1.equals(r2));
- r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
- assertTrue(r1.equals(r2));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashcode() {
- XYBlockRenderer r1 = new XYBlockRenderer();
- XYBlockRenderer r2 = new XYBlockRenderer();
- 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 {
- XYBlockRenderer r1 = new XYBlockRenderer();
- LookupPaintScale scale1 = new LookupPaintScale();
- r1.setPaintScale(scale1);
- XYBlockRenderer r2 = (XYBlockRenderer) r1.clone();
- assertTrue(r1 != r2);
- assertTrue(r1.getClass() == r2.getClass());
- assertTrue(r1.equals(r2));
- // check independence
- scale1.add(0.5, Color.red);
- assertFalse(r1.equals(r2));
- LookupPaintScale scale2 = (LookupPaintScale) r2.getPaintScale();
- scale2.add(0.5, Color.red);
- assertTrue(r1.equals(r2));
- }
- /**
- * Verify that this class implements {@link PublicCloneable}.
- */
- @Test
- public void testPublicCloneable() {
- XYBlockRenderer r1 = new XYBlockRenderer();
- assertTrue(r1 instanceof PublicCloneable);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- XYBlockRenderer r1 = new XYBlockRenderer();
- XYBlockRenderer r2 = (XYBlockRenderer) TestUtilities.serialised(r1);
- assertEquals(r1, r2);
- }
- /**
- * A simple test for bug 1766646.
- */
- @Test
- public void testBug1766646A() {
- XYBlockRenderer r = new XYBlockRenderer();
- Range range = r.findDomainBounds(null);
- assertTrue(range == null);
- DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
- range = r.findDomainBounds(emptyDataset);
- assertTrue(range == null);
- }
- /**
- * A simple test for bug 1766646.
- */
- @Test
- public void testBug1766646B() {
- XYBlockRenderer r = new XYBlockRenderer();
- Range range = r.findRangeBounds(null);
- assertTrue(range == null);
- DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
- range = r.findRangeBounds(emptyDataset);
- assertTrue(range == null);
- }
- /**
- * Some tests for the findRangeBounds() method.
- */
- @Test
- public void testFindRangeBounds() {
- XYBlockRenderer renderer = new XYBlockRenderer();
- assertNull(renderer.findRangeBounds(null));
- XYSeriesCollection dataset = new XYSeriesCollection();
- XYSeries series = new XYSeries("S1");
- series.add(1.0, null);
- dataset.addSeries(series);
- Range r = renderer.findRangeBounds(dataset);
- assertNull(r);
- }
-
- /**
- * Some tests for the findDomainBounds() method.
- */
- @Test
- public void testFindDomainBounds() {
- XYBlockRenderer renderer = new XYBlockRenderer();
- assertNull(renderer.findRangeBounds(null));
- XYSeriesCollection dataset = new XYSeriesCollection();
- XYSeries series = new XYSeries("S1");
- series.add(1.0, null);
- dataset.addSeries(series);
- Range r = renderer.findDomainBounds(dataset);
- assertEquals(0.5, r.getLowerBound(), EPSILON);
- assertEquals(1.5, r.getUpperBound(), EPSILON);
- dataset.removeAllSeries();
- r = renderer.findDomainBounds(dataset);
- assertNull(r);
- }
-
- }
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