/* =========================================================== * 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 null 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; } }