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- /* ===========================================================
- * JFreeChart : a free chart library for the Java(tm) platform
- * ===========================================================
- *
- * (C) Copyright 2000-2014, 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.]
- *
- * -------------------
- * JFreeChartTest.java
- * -------------------
- * (C) Copyright 2002-2014, by Object Refinery Limited.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes:
- * --------
- * 11-Jun-2002 : Version 1 (DG);
- * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
- * 23-Sep-2003 : Removed null title test, since TM has added code to ensure
- * null titles cannot be created (DG);
- * 24-Nov-2005 : Removed OldLegend (DG);
- * 16-May-2007 : Added some new tests (DG);
- * 29-Jul-2014 : Added testBug942() (DG);
- *
- */
- package org.jfree.chart;
- import java.awt.BasicStroke;
- import java.awt.Color;
- import java.awt.Font;
- import java.awt.GradientPaint;
- import java.awt.RenderingHints;
- import java.util.List;
- import org.jfree.chart.event.ChartChangeEvent;
- import org.jfree.chart.event.ChartChangeListener;
- import org.jfree.chart.plot.PiePlot;
- import org.jfree.chart.plot.RingPlot;
- import org.jfree.chart.title.LegendTitle;
- import org.jfree.chart.title.TextTitle;
- import org.jfree.chart.title.Title;
- import org.jfree.data.category.DefaultCategoryDataset;
- import org.jfree.data.general.DefaultPieDataset;
- import org.jfree.data.time.Day;
- import org.jfree.data.time.RegularTimePeriod;
- import org.jfree.data.time.TimeSeries;
- import org.jfree.data.time.TimeSeriesCollection;
- import org.jfree.ui.Align;
- import org.jfree.ui.RectangleEdge;
- import org.jfree.ui.RectangleInsets;
- import org.junit.Before;
- import org.junit.Test;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertSame;
- import static org.junit.Assert.fail;
- /**
- * Tests for the {@link JFreeChart} class.
- */
- public class JFreeChartTest implements ChartChangeListener {
- /** A pie chart. */
- private JFreeChart pieChart;
- /**
- * Common test setup.
- */
- @Before
- public void setUp() {
- DefaultPieDataset data = new DefaultPieDataset();
- data.setValue("Java", new Double(43.2));
- data.setValue("Visual Basic", new Double(0.0));
- data.setValue("C/C++", new Double(17.5));
- this.pieChart = ChartFactory.createPieChart("Pie Chart", data);
- }
- /**
- * Check that the equals() method can distinguish all fields.
- */
- @Test
- public void testEquals() {
- JFreeChart chart1 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
- JFreeChart chart2 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
- assertEquals(chart1, chart2);
- assertEquals(chart2, chart1);
- // renderingHints
- chart1.setRenderingHints(new RenderingHints(
- RenderingHints.KEY_TEXT_ANTIALIASING,
- RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
- assertFalse(chart1.equals(chart2));
- chart2.setRenderingHints(new RenderingHints(
- RenderingHints.KEY_TEXT_ANTIALIASING,
- RenderingHints.VALUE_TEXT_ANTIALIAS_ON));
- assertEquals(chart1, chart2);
- // borderVisible
- chart1.setBorderVisible(true);
- assertFalse(chart1.equals(chart2));
- chart2.setBorderVisible(true);
- assertEquals(chart1, chart2);
- // borderStroke
- BasicStroke s = new BasicStroke(2.0f);
- chart1.setBorderStroke(s);
- assertFalse(chart1.equals(chart2));
- chart2.setBorderStroke(s);
- assertEquals(chart1, chart2);
- // borderPaint
- chart1.setBorderPaint(Color.red);
- assertFalse(chart1.equals(chart2));
- chart2.setBorderPaint(Color.red);
- assertEquals(chart1, chart2);
- // padding
- chart1.setPadding(new RectangleInsets(1, 2, 3, 4));
- assertFalse(chart1.equals(chart2));
- chart2.setPadding(new RectangleInsets(1, 2, 3, 4));
- assertEquals(chart1, chart2);
- // title
- chart1.setTitle("XYZ");
- assertFalse(chart1.equals(chart2));
- chart2.setTitle("XYZ");
- assertEquals(chart1, chart2);
- // subtitles
- chart1.addSubtitle(new TextTitle("Subtitle"));
- assertFalse(chart1.equals(chart2));
- chart2.addSubtitle(new TextTitle("Subtitle"));
- assertEquals(chart1, chart2);
- // plot
- chart1 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new RingPlot(), false);
- chart2 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), false);
- assertFalse(chart1.equals(chart2));
- chart2 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new RingPlot(), false);
- assertEquals(chart1, chart2);
- // backgroundPaint
- chart1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.blue));
- assertFalse(chart1.equals(chart2));
- chart2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.blue));
- assertEquals(chart1, chart2);
- // backgroundImage
- chart1.setBackgroundImage(JFreeChart.INFO.getLogo());
- assertFalse(chart1.equals(chart2));
- chart2.setBackgroundImage(JFreeChart.INFO.getLogo());
- assertEquals(chart1, chart2);
- // backgroundImageAlignment
- chart1.setBackgroundImageAlignment(Align.BOTTOM_LEFT);
- assertFalse(chart1.equals(chart2));
- chart2.setBackgroundImageAlignment(Align.BOTTOM_LEFT);
- assertEquals(chart1, chart2);
- // backgroundImageAlpha
- chart1.setBackgroundImageAlpha(0.1f);
- assertFalse(chart1.equals(chart2));
- chart2.setBackgroundImageAlpha(0.1f);
- assertEquals(chart1, chart2);
- }
- /**
- * A test to make sure that the legend is being picked up in the
- * equals() testing.
- */
- @Test
- public void testEquals2() {
- JFreeChart chart1 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), true);
- JFreeChart chart2 = new JFreeChart("Title",
- new Font("SansSerif", Font.PLAIN, 12), new PiePlot(), false);
- assertFalse(chart1.equals(chart2));
- assertFalse(chart2.equals(chart1));
- }
- /**
- * Checks the subtitle count - should be 1 (the legend).
- */
- @Test
- public void testSubtitleCount() {
- int count = this.pieChart.getSubtitleCount();
- assertEquals(1, count);
- }
- /**
- * Some checks for the getSubtitle() method.
- */
- @Test
- public void testGetSubtitle() {
- DefaultPieDataset dataset = new DefaultPieDataset();
- JFreeChart chart = ChartFactory.createPieChart("title", dataset);
- Title t = chart.getSubtitle(0);
- assertTrue(t instanceof LegendTitle);
- try {
- chart.getSubtitle(-1);
- fail("Should have thrown an IllegalArgumentException on negative number");
- }
- catch (IllegalArgumentException e) {
- assertEquals("Index out of range.", e.getMessage());
- }
- try {
- chart.getSubtitle(1);
- fail("Should have thrown an IllegalArgumentException on excesive number");
- }
- catch (IllegalArgumentException e) {
- assertEquals("Index out of range.", e.getMessage());
- }
- try {
- chart.getSubtitle(2);
- fail("Should have thrown an IllegalArgumentException on number being out of range");
- }
- catch (IllegalArgumentException e) {
- assertEquals("Index out of range.", e.getMessage());
- }
- }
- /**
- * Serialize a pie chart, restore it, and check for equality.
- */
- @Test
- public void testSerialization1() {
- DefaultPieDataset data = new DefaultPieDataset();
- data.setValue("Type 1", 54.5);
- data.setValue("Type 2", 23.9);
- data.setValue("Type 3", 45.8);
- JFreeChart c1 = ChartFactory.createPieChart("Test", data);
- JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
- assertEquals(c1, c2);
- LegendTitle lt2 = c2.getLegend();
- assertSame(lt2.getSources()[0], c2.getPlot());
- }
- /**
- * Serialize a 3D pie chart, restore it, and check for equality.
- */
- @Test
- public void testSerialization2() {
- DefaultPieDataset data = new DefaultPieDataset();
- data.setValue("Type 1", 54.5);
- data.setValue("Type 2", 23.9);
- data.setValue("Type 3", 45.8);
- JFreeChart c1 = ChartFactory.createPieChart3D("Test", data);
- JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
- assertEquals(c1, c2);
- }
- /**
- * Serialize a bar chart, restore it, and check for equality.
- */
- @Test
- public void testSerialization3() {
- // row keys...
- String series1 = "First";
- String series2 = "Second";
- String series3 = "Third";
- // column keys...
- String category1 = "Category 1";
- String category2 = "Category 2";
- String category3 = "Category 3";
- String category4 = "Category 4";
- String category5 = "Category 5";
- String category6 = "Category 6";
- String category7 = "Category 7";
- String category8 = "Category 8";
- // create the dataset...
- DefaultCategoryDataset dataset = new DefaultCategoryDataset();
- dataset.addValue(1.0, series1, category1);
- dataset.addValue(4.0, series1, category2);
- dataset.addValue(3.0, series1, category3);
- dataset.addValue(5.0, series1, category4);
- dataset.addValue(5.0, series1, category5);
- dataset.addValue(7.0, series1, category6);
- dataset.addValue(7.0, series1, category7);
- dataset.addValue(8.0, series1, category8);
- dataset.addValue(5.0, series2, category1);
- dataset.addValue(7.0, series2, category2);
- dataset.addValue(6.0, series2, category3);
- dataset.addValue(8.0, series2, category4);
- dataset.addValue(4.0, series2, category5);
- dataset.addValue(4.0, series2, category6);
- dataset.addValue(2.0, series2, category7);
- dataset.addValue(1.0, series2, category8);
- dataset.addValue(4.0, series3, category1);
- dataset.addValue(3.0, series3, category2);
- dataset.addValue(2.0, series3, category3);
- dataset.addValue(3.0, series3, category4);
- dataset.addValue(6.0, series3, category5);
- dataset.addValue(3.0, series3, category6);
- dataset.addValue(4.0, series3, category7);
- dataset.addValue(3.0, series3, category8);
- // create the chart...
- JFreeChart c1 = ChartFactory.createBarChart("Vertical Bar Chart",
- "Category", "Value", dataset);
- JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
- assertEquals(c1, c2);
- }
- /**
- * Serialize a time seroes chart, restore it, and check for equality.
- */
- @Test
- public void testSerialization4() {
- RegularTimePeriod t = new Day();
- TimeSeries series = new TimeSeries("Series 1");
- series.add(t, 36.4);
- t = t.next();
- series.add(t, 63.5);
- TimeSeriesCollection dataset = new TimeSeriesCollection();
- dataset.addSeries(series);
- JFreeChart c1 = ChartFactory.createTimeSeriesChart("Test", "Date",
- "Value", dataset);
- JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
- assertEquals(c1, c2);
- }
- /**
- * Some checks for the addSubtitle() methods.
- */
- @Test
- public void testAddSubtitle() {
- DefaultPieDataset dataset = new DefaultPieDataset();
- JFreeChart chart = ChartFactory.createPieChart("title", dataset);
- TextTitle t0 = new TextTitle("T0");
- chart.addSubtitle(0, t0);
- assertEquals(t0, chart.getSubtitle(0));
- TextTitle t1 = new TextTitle("T1");
- chart.addSubtitle(t1);
- assertEquals(t1, chart.getSubtitle(2)); // subtitle 1 is the legend
- try {
- chart.addSubtitle(null);
- fail("Should have thrown an IllegalArgumentException on index out of range");
- }
- catch (IllegalArgumentException e) {
- assertEquals("Null 'subtitle' argument.", e.getMessage());
- }
- try {
- chart.addSubtitle(-1, t0);
- fail("Should have thrown an IllegalArgumentException on index out of range");
- }
- catch (IllegalArgumentException e) {
- assertEquals("The 'index' argument is out of range.", e.getMessage());
- }
- try {
- chart.addSubtitle(4, t0);
- fail("Should have thrown an IllegalArgumentException on index out of range");
- }
- catch (IllegalArgumentException e) {
- assertEquals("The 'index' argument is out of range.", e.getMessage());
- }
- }
- /**
- * Some checks for the getSubtitles() method.
- */
- @Test
- public void testGetSubtitles() {
- DefaultPieDataset dataset = new DefaultPieDataset();
- JFreeChart chart = ChartFactory.createPieChart("title", dataset);
- List subtitles = chart.getSubtitles();
- assertEquals(1, chart.getSubtitleCount());
- // adding something to the returned list should NOT change the chart
- subtitles.add(new TextTitle("T"));
- assertEquals(1, chart.getSubtitleCount());
- }
- /**
- * Some checks for the default legend firing change events.
- */
- @Test
- public void testLegendEvents() {
- DefaultPieDataset dataset = new DefaultPieDataset();
- JFreeChart chart = ChartFactory.createPieChart("title", dataset);
- chart.addChangeListener(this);
- this.lastChartChangeEvent = null;
- LegendTitle legend = chart.getLegend();
- legend.setPosition(RectangleEdge.TOP);
- assertNotNull(this.lastChartChangeEvent);
- }
- /**
- * Some checks for title changes and event notification.
- */
- @Test
- public void testTitleChangeEvent() {
- DefaultPieDataset dataset = new DefaultPieDataset();
- JFreeChart chart = ChartFactory.createPieChart("title", dataset);
- chart.addChangeListener(this);
- this.lastChartChangeEvent = null;
- TextTitle t = chart.getTitle();
- t.setFont(new Font("Dialog", Font.BOLD, 9));
- assertNotNull(this.lastChartChangeEvent);
- this.lastChartChangeEvent = null;
- // now create a new title and replace the existing title, several
- // things should happen:
- // (1) Adding the new title should trigger an immediate
- // ChartChangeEvent;
- // (2) Modifying the new title should trigger a ChartChangeEvent;
- // (3) Modifying the old title should NOT trigger a ChartChangeEvent
- TextTitle t2 = new TextTitle("T2");
- chart.setTitle(t2);
- assertNotNull(this.lastChartChangeEvent);
- this.lastChartChangeEvent = null;
- t2.setFont(new Font("Dialog", Font.BOLD, 9));
- assertNotNull(this.lastChartChangeEvent);
- this.lastChartChangeEvent = null;
- t.setFont(new Font("Dialog", Font.BOLD, 9));
- assertNull(this.lastChartChangeEvent);
- this.lastChartChangeEvent = null;
- }
- @Test
- public void testBug942() throws Exception {
- final String title = "Pie Chart Demo 1\n\n\ntestnew line";
- assertEquals(title, ChartFactory.createPieChart(title,
- new DefaultPieDataset()).getTitle().getText());
- }
- /** The last ChartChangeEvent received. */
- private ChartChangeEvent lastChartChangeEvent;
- /**
- * Records the last chart change event.
- *
- * @param event the event.
- */
- @Override
- public void chartChanged(ChartChangeEvent event) {
- this.lastChartChangeEvent = event;
- }
- }
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