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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.]
- *
- * ------------------------
- * FastScatterPlotTest.java
- * ------------------------
- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 18-Mar-2003 : Version 1 (DG);
- * 29-Jan-2009 : Updated testEquals() (DG);
- * 26-Mar-2009 : Updated testEquals() for new panning fields (DG);
- *
- */
- package org.jfree.chart.plot;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- 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.JFreeChart;
- import org.jfree.chart.TestUtilities;
- import org.jfree.chart.axis.NumberAxis;
- import org.jfree.chart.axis.ValueAxis;
- import org.junit.Test;
- /**
- * Tests for the {@link FastScatterPlot} class.
- */
- public class FastScatterPlotTest {
- /**
- * Some checks for the equals() method.
- */
- @Test
- public void testEquals() {
- FastScatterPlot plot1 = new FastScatterPlot();
- FastScatterPlot plot2 = new FastScatterPlot();
- assertTrue(plot1.equals(plot2));
- assertTrue(plot2.equals(plot1));
- plot1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.yellow));
- assertFalse(plot1.equals(plot2));
- plot2.setPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.yellow));
- assertTrue(plot1.equals(plot2));
- plot1.setDomainGridlinesVisible(false);
- assertFalse(plot1.equals(plot2));
- plot2.setDomainGridlinesVisible(false);
- assertTrue(plot1.equals(plot2));
- 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));
- Stroke s = new BasicStroke(1.5f);
- plot1.setDomainGridlineStroke(s);
- assertFalse(plot1.equals(plot2));
- plot2.setDomainGridlineStroke(s);
- assertTrue(plot1.equals(plot2));
- plot1.setRangeGridlinesVisible(false);
- assertFalse(plot1.equals(plot2));
- plot2.setRangeGridlinesVisible(false);
- assertTrue(plot1.equals(plot2));
- 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));
- Stroke s2 = new BasicStroke(1.5f);
- plot1.setRangeGridlineStroke(s2);
- assertFalse(plot1.equals(plot2));
- plot2.setRangeGridlineStroke(s2);
- assertTrue(plot1.equals(plot2));
- plot1.setDomainPannable(true);
- assertFalse(plot1.equals(plot2));
- plot2.setDomainPannable(true);
- assertTrue(plot1.equals(plot2));
- plot1.setRangePannable(true);
- assertFalse(plot1.equals(plot2));
- plot2.setRangePannable(true);
- assertTrue(plot1.equals(plot2));
- }
- /**
- * Some tests for the data array equality in the equals() method.
- */
- @Test
- public void testEquals2() {
- FastScatterPlot plot1 = new FastScatterPlot();
- FastScatterPlot plot2 = new FastScatterPlot();
- assertTrue(plot1.equals(plot2));
- assertTrue(plot2.equals(plot1));
- float[][] a = new float[2][];
- float[][] b = new float[2][];
- plot1.setData(a);
- assertFalse(plot1.equals(plot2));
- plot2.setData(b);
- assertTrue(plot1.equals(plot2));
- a[0] = new float[6];
- assertFalse(plot1.equals(plot2));
- b[0] = new float[6];
- assertTrue(plot1.equals(plot2));
- a[0][0] = 1.0f;
- assertFalse(plot1.equals(plot2));
- b[0][0] = 1.0f;
- assertTrue(plot1.equals(plot2));
- a[0][1] = Float.NaN;
- assertFalse(plot1.equals(plot2));
- b[0][1] = Float.NaN;
- assertTrue(plot1.equals(plot2));
- a[0][2] = Float.POSITIVE_INFINITY;
- assertFalse(plot1.equals(plot2));
- b[0][2] = Float.POSITIVE_INFINITY;
- assertTrue(plot1.equals(plot2));
- a[0][3] = Float.NEGATIVE_INFINITY;
- assertFalse(plot1.equals(plot2));
- b[0][3] = Float.NEGATIVE_INFINITY;
- assertTrue(plot1.equals(plot2));
- }
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- FastScatterPlot p1 = new FastScatterPlot();
- FastScatterPlot p2 = (FastScatterPlot) p1.clone();
- assertTrue(p1 != p2);
- assertTrue(p1.getClass() == p2.getClass());
- assertTrue(p1.equals(p2));
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- float[][] data = createData();
- ValueAxis domainAxis = new NumberAxis("X");
- ValueAxis rangeAxis = new NumberAxis("Y");
- FastScatterPlot p1 = new FastScatterPlot(data, domainAxis, rangeAxis);
- FastScatterPlot p2 = (FastScatterPlot) TestUtilities.serialised(p1);
- assertEquals(p1, p2);
- }
- /**
- * Draws the chart with a <code>null</code> info object to make sure that
- * no exceptions are thrown.
- */
- @Test
- public void testDrawWithNullInfo() {
- try {
- float[][] data = createData();
- ValueAxis domainAxis = new NumberAxis("X");
- ValueAxis rangeAxis = new NumberAxis("Y");
- FastScatterPlot plot = new FastScatterPlot(data, domainAxis,
- rangeAxis);
- JFreeChart chart = new JFreeChart(plot);
- /* BufferedImage image = */ chart.createBufferedImage(300, 200,
- null);
- }
- catch (NullPointerException e) {
- fail("No exception should be thrown.");
- }
- }
- /**
- * Populates the data array with random values.
- *
- * @return Random data.
- */
- private float[][] createData() {
- float[][] result = new float[2][1000];
- for (int i = 0; i < result[0].length; i++) {
- float x = (float) i + 100;
- result[0][i] = x;
- result[1][i] = 100 + (float) Math.random() * 1000;
- }
- return result;
- }
- }
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