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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.]
- *
- * -------------------
- * NumberAxisTest.java
- * -------------------
- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 26-Mar-2003 : Version 1 (DG);
- * 14-Aug-2003 : Added tests for equals() method (DG);
- * 05-Oct-2004 : Added tests to pick up a bug in the auto-range calculation for
- * a domain axis on an XYPlot using an XYSeriesCollection (DG);
- * 07-Jan-2005 : Added test for hashCode() (DG);
- * 11-Jan-2006 : Fixed testAutoRange2() and testAutoRange3() following changes
- * to BarRenderer (DG);
- * 20-Feb-2006 : Added rangeType field to equals() test (DG);
- *
- */
- package org.jfree.chart.axis;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- import java.awt.geom.Rectangle2D;
- import java.text.DecimalFormat;
- import org.jfree.chart.ChartFactory;
- import org.jfree.chart.JFreeChart;
- import org.jfree.chart.TestUtilities;
- import org.jfree.chart.plot.CategoryPlot;
- import org.jfree.chart.plot.PlotOrientation;
- import org.jfree.chart.plot.XYPlot;
- import org.jfree.chart.renderer.category.BarRenderer;
- import org.jfree.data.RangeType;
- import org.jfree.data.category.DefaultCategoryDataset;
- import org.jfree.data.xy.XYSeries;
- import org.jfree.data.xy.XYSeriesCollection;
- import org.jfree.ui.RectangleEdge;
- import org.junit.Test;
- /**
- * Tests for the {@link NumberAxis} class.
- */
- public class NumberAxisTest {
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- NumberAxis a1 = new NumberAxis("Test");
- NumberAxis a2 = (NumberAxis) a1.clone();
- assertTrue(a1 != a2);
- assertTrue(a1.getClass() == a2.getClass());
- assertTrue(a1.equals(a2));
- }
- /**
- * Confirm that the equals method can distinguish all the required fields.
- */
- @Test
- public void testEquals() {
- NumberAxis a1 = new NumberAxis("Test");
- NumberAxis a2 = new NumberAxis("Test");
- assertTrue(a1.equals(a2));
- //private boolean autoRangeIncludesZero;
- a1.setAutoRangeIncludesZero(false);
- assertFalse(a1.equals(a2));
- a2.setAutoRangeIncludesZero(false);
- assertTrue(a1.equals(a2));
- //private boolean autoRangeStickyZero;
- a1.setAutoRangeStickyZero(false);
- assertFalse(a1.equals(a2));
- a2.setAutoRangeStickyZero(false);
- assertTrue(a1.equals(a2));
- //private NumberTickUnit tickUnit;
- a1.setTickUnit(new NumberTickUnit(25.0));
- assertFalse(a1.equals(a2));
- a2.setTickUnit(new NumberTickUnit(25.0));
- assertTrue(a1.equals(a2));
- //private NumberFormat numberFormatOverride;
- a1.setNumberFormatOverride(new DecimalFormat("0.00"));
- assertFalse(a1.equals(a2));
- a2.setNumberFormatOverride(new DecimalFormat("0.00"));
- assertTrue(a1.equals(a2));
- a1.setRangeType(RangeType.POSITIVE);
- assertFalse(a1.equals(a2));
- a2.setRangeType(RangeType.POSITIVE);
- assertTrue(a1.equals(a2));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashCode() {
- NumberAxis a1 = new NumberAxis("Test");
- NumberAxis a2 = new NumberAxis("Test");
- assertTrue(a1.equals(a2));
- int h1 = a1.hashCode();
- int h2 = a2.hashCode();
- assertEquals(h1, h2);
- }
- private static final double EPSILON = 0.0000001;
- /**
- * Test the translation of Java2D values to data values.
- */
- @Test
- public void testTranslateJava2DToValue() {
- NumberAxis axis = new NumberAxis();
- axis.setRange(50.0, 100.0);
- Rectangle2D dataArea = new Rectangle2D.Double(10.0, 50.0, 400.0, 300.0);
- double y1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
- assertEquals(y1, 95.8333333, EPSILON);
- double y2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
- assertEquals(y2, 95.8333333, EPSILON);
- double x1 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
- assertEquals(x1, 58.125, EPSILON);
- double x2 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
- assertEquals(x2, 58.125, EPSILON);
- axis.setInverted(true);
- double y3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.LEFT);
- assertEquals(y3, 54.1666667, EPSILON);
- double y4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.RIGHT);
- assertEquals(y4, 54.1666667, EPSILON);
- double x3 = axis.java2DToValue(75.0, dataArea, RectangleEdge.TOP);
- assertEquals(x3, 91.875, EPSILON);
- double x4 = axis.java2DToValue(75.0, dataArea, RectangleEdge.BOTTOM);
- assertEquals(x4, 91.875, EPSILON);
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- NumberAxis a1 = new NumberAxis("Test Axis");
- NumberAxis a2 = (NumberAxis) TestUtilities.serialised(a1);
- assertEquals(a1, a2);
- }
- /**
- * A simple test for the auto-range calculation looking at a
- * NumberAxis used as the range axis for a CategoryPlot.
- */
- @Test
- public void testAutoRange1() {
- DefaultCategoryDataset dataset = new DefaultCategoryDataset();
- dataset.setValue(100.0, "Row 1", "Column 1");
- dataset.setValue(200.0, "Row 1", "Column 2");
- JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
- "Value", dataset);
- CategoryPlot plot = (CategoryPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getRangeAxis();
- assertEquals(axis.getLowerBound(), 0.0, EPSILON);
- assertEquals(axis.getUpperBound(), 210.0, EPSILON);
- }
- /**
- * A simple test for the auto-range calculation looking at a
- * NumberAxis used as the range axis for a CategoryPlot. In this
- * case, the 'autoRangeIncludesZero' flag is set to false.
- */
- @Test
- public void testAutoRange2() {
- DefaultCategoryDataset dataset = new DefaultCategoryDataset();
- dataset.setValue(100.0, "Row 1", "Column 1");
- dataset.setValue(200.0, "Row 1", "Column 2");
- JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
- "Value", dataset, PlotOrientation.VERTICAL, false, false,
- false);
- CategoryPlot plot = (CategoryPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getRangeAxis();
- axis.setAutoRangeIncludesZero(false);
- assertEquals(axis.getLowerBound(), 95.0, EPSILON);
- assertEquals(axis.getUpperBound(), 205.0, EPSILON);
- }
- /**
- * A simple test for the auto-range calculation looking at a
- * NumberAxis used as the range axis for a CategoryPlot. In this
- * case, the 'autoRangeIncludesZero' flag is set to false AND the
- * original dataset is replaced with a new dataset.
- */
- @Test
- public void testAutoRange3() {
- DefaultCategoryDataset dataset = new DefaultCategoryDataset();
- dataset.setValue(100.0, "Row 1", "Column 1");
- dataset.setValue(200.0, "Row 1", "Column 2");
- JFreeChart chart = ChartFactory.createLineChart("Test", "Categories",
- "Value", dataset, PlotOrientation.VERTICAL, false, false,
- false);
- CategoryPlot plot = (CategoryPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getRangeAxis();
- axis.setAutoRangeIncludesZero(false);
- assertEquals(axis.getLowerBound(), 95.0, EPSILON);
- assertEquals(axis.getUpperBound(), 205.0, EPSILON);
- // now replacing the dataset should update the axis range...
- DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
- dataset2.setValue(900.0, "Row 1", "Column 1");
- dataset2.setValue(1000.0, "Row 1", "Column 2");
- plot.setDataset(dataset2);
- assertEquals(axis.getLowerBound(), 895.0, EPSILON);
- assertEquals(axis.getUpperBound(), 1005.0, EPSILON);
- }
- /**
- * A check for the interaction between the 'autoRangeIncludesZero' flag
- * and the base setting in the BarRenderer.
- */
- @Test
- public void testAutoRange4() {
- DefaultCategoryDataset dataset = new DefaultCategoryDataset();
- dataset.setValue(100.0, "Row 1", "Column 1");
- dataset.setValue(200.0, "Row 1", "Column 2");
- JFreeChart chart = ChartFactory.createBarChart("Test", "Categories",
- "Value", dataset, PlotOrientation.VERTICAL, false, false,
- false);
- CategoryPlot plot = (CategoryPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getRangeAxis();
- axis.setAutoRangeIncludesZero(false);
- BarRenderer br = (BarRenderer) plot.getRenderer();
- br.setIncludeBaseInRange(false);
- assertEquals(95.0, axis.getLowerBound(), EPSILON);
- assertEquals(205.0, axis.getUpperBound(), EPSILON);
- br.setIncludeBaseInRange(true);
- assertEquals(0.0, axis.getLowerBound(), EPSILON);
- assertEquals(210.0, axis.getUpperBound(), EPSILON);
- axis.setAutoRangeIncludesZero(true);
- assertEquals(0.0, axis.getLowerBound(), EPSILON);
- assertEquals(210.0, axis.getUpperBound(), EPSILON);
- br.setIncludeBaseInRange(true);
- assertEquals(0.0, axis.getLowerBound(), EPSILON);
- assertEquals(210.0, axis.getUpperBound(), EPSILON);
- // now replacing the dataset should update the axis range...
- DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
- dataset2.setValue(900.0, "Row 1", "Column 1");
- dataset2.setValue(1000.0, "Row 1", "Column 2");
- plot.setDataset(dataset2);
- assertEquals(0.0, axis.getLowerBound(), EPSILON);
- assertEquals(1050.0, axis.getUpperBound(), EPSILON);
- br.setIncludeBaseInRange(false);
- assertEquals(0.0, axis.getLowerBound(), EPSILON);
- assertEquals(1050.0, axis.getUpperBound(), EPSILON);
- axis.setAutoRangeIncludesZero(false);
- assertEquals(895.0, axis.getLowerBound(), EPSILON);
- assertEquals(1005.0, axis.getUpperBound(), EPSILON);
- }
- /**
- * Checks that the auto-range for the domain axis on an XYPlot is
- * working as expected.
- */
- @Test
- public void testXYAutoRange1() {
- XYSeries series = new XYSeries("Series 1");
- series.add(1.0, 1.0);
- series.add(2.0, 2.0);
- series.add(3.0, 3.0);
- XYSeriesCollection dataset = new XYSeriesCollection();
- dataset.addSeries(series);
- JFreeChart chart = ChartFactory.createScatterPlot("Test", "X", "Y",
- dataset);
- XYPlot plot = (XYPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getDomainAxis();
- axis.setAutoRangeIncludesZero(false);
- assertEquals(0.9, axis.getLowerBound(), EPSILON);
- assertEquals(3.1, axis.getUpperBound(), EPSILON);
- }
- /**
- * Checks that the auto-range for the range axis on an XYPlot is
- * working as expected.
- */
- @Test
- public void testXYAutoRange2() {
- XYSeries series = new XYSeries("Series 1");
- series.add(1.0, 1.0);
- series.add(2.0, 2.0);
- series.add(3.0, 3.0);
- XYSeriesCollection dataset = new XYSeriesCollection();
- dataset.addSeries(series);
- JFreeChart chart = ChartFactory.createScatterPlot("Test", "X", "Y",
- dataset);
- XYPlot plot = (XYPlot) chart.getPlot();
- NumberAxis axis = (NumberAxis) plot.getRangeAxis();
- axis.setAutoRangeIncludesZero(false);
- assertEquals(0.9, axis.getLowerBound(), EPSILON);
- assertEquals(3.1, axis.getUpperBound(), EPSILON);
- }
- // /**
- // * Some checks for the setRangeType() method.
- // */
- // public void testSetRangeType() {
- //
- // NumberAxis axis = new NumberAxis("X");
- // axis.setRangeType(RangeType.POSITIVE);
- // assertEquals(RangeType.POSITIVE, axis.getRangeType());
- //
- // // test a change to RangeType.POSITIVE
- // axis.setRangeType(RangeType.FULL);
- // axis.setRange(-5.0, 5.0);
- // axis.setRangeType(RangeType.POSITIVE);
- // assertEquals(new Range(0.0, 5.0), axis.getRange());
- //
- // axis.setRangeType(RangeType.FULL);
- // axis.setRange(-10.0, -5.0);
- // axis.setRangeType(RangeType.POSITIVE);
- // assertEquals(new Range(0.0, axis.getAutoRangeMinimumSize()),
- // axis.getRange());
- //
- // // test a change to RangeType.NEGATIVE
- // axis.setRangeType(RangeType.FULL);
- // axis.setRange(-5.0, 5.0);
- // axis.setRangeType(RangeType.NEGATIVE);
- // assertEquals(new Range(-5.0, 0.0), axis.getRange());
- //
- // axis.setRangeType(RangeType.FULL);
- // axis.setRange(5.0, 10.0);
- // axis.setRangeType(RangeType.NEGATIVE);
- // assertEquals(new Range(-axis.getAutoRangeMinimumSize(), 0.0),
- // axis.getRange());
- //
- // // try null
- // boolean pass = false;
- // try {
- // axis.setRangeType(null);
- // }
- // catch (IllegalArgumentException e) {
- // pass = true;
- // }
- // assertTrue(pass);
- // }
- /**
- * Some checks for the setLowerBound() method.
- */
- @Test
- public void testSetLowerBound() {
- NumberAxis axis = new NumberAxis("X");
- axis.setRange(0.0, 10.0);
- axis.setLowerBound(5.0);
- assertEquals(5.0, axis.getLowerBound(), EPSILON);
- axis.setLowerBound(10.0);
- assertEquals(10.0, axis.getLowerBound(), EPSILON);
- assertEquals(11.0, axis.getUpperBound(), EPSILON);
- //axis.setRangeType(RangeType.POSITIVE);
- //axis.setLowerBound(-5.0);
- //assertEquals(0.0, axis.getLowerBound(), EPSILON);
- }
- }
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