/* =========================================================== * 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.] * * -------------------- * ValueMarkerTest.java * -------------------- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 18-Aug-2003 : Version 1 (DG); * 14-Jun-2004 : Renamed MarkerTests --> ValueMarkerTests (DG); * 01-Jun-2005 : Strengthened equals() test (DG); * 05-Sep-2006 : Added checks for MarkerChangeEvent generation (DG); * 26-Sep-2007 : Added test1802195() method (DG); * 08-Oct-2007 : Added test1808376() method (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.Font; import java.awt.GradientPaint; import java.awt.Stroke; import org.jfree.chart.TestUtilities; import org.jfree.chart.event.MarkerChangeEvent; import org.jfree.chart.event.MarkerChangeListener; import org.jfree.ui.LengthAdjustmentType; import org.jfree.ui.RectangleAnchor; import org.jfree.ui.RectangleInsets; import org.jfree.ui.TextAnchor; import org.junit.Test; /** * Tests for the {@link ValueMarker} class. */ public class ValueMarkerTest implements MarkerChangeListener { MarkerChangeEvent lastEvent; /** * Confirm that the equals method can distinguish all the required fields. */ @Test public void testEquals() { Marker m1 = new ValueMarker(45.0); Marker m2 = new ValueMarker(45.0); assertTrue(m1.equals(m2)); assertTrue(m2.equals(m1)); m1.setPaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.red)); assertFalse(m1.equals(m2)); m2.setPaint(new GradientPaint(1.0f, 2.0f, Color.green, 3.0f, 4.0f, Color.red)); assertTrue(m1.equals(m2)); BasicStroke stroke = new BasicStroke(2.2f); m1.setStroke(stroke); assertFalse(m1.equals(m2)); m2.setStroke(stroke); assertTrue(m1.equals(m2)); m1.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow, 2.0f, 1.0f, Color.white)); assertFalse(m1.equals(m2)); m2.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow, 2.0f, 1.0f, Color.white)); assertTrue(m1.equals(m2)); m1.setOutlineStroke(stroke); assertFalse(m1.equals(m2)); m2.setOutlineStroke(stroke); assertTrue(m1.equals(m2)); m1.setAlpha(0.1f); assertFalse(m1.equals(m2)); m2.setAlpha(0.1f); assertTrue(m1.equals(m2)); m1.setLabel("New Label"); assertFalse(m1.equals(m2)); m2.setLabel("New Label"); assertTrue(m1.equals(m2)); m1.setLabelFont(new Font("SansSerif", Font.PLAIN, 10)); assertFalse(m1.equals(m2)); m2.setLabelFont(new Font("SansSerif", Font.PLAIN, 10)); assertTrue(m1.equals(m2)); m1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.blue, 3.0f, 4.0f, Color.yellow)); assertFalse(m1.equals(m2)); m2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.blue, 3.0f, 4.0f, Color.yellow)); assertTrue(m1.equals(m2)); m1.setLabelAnchor(RectangleAnchor.TOP_RIGHT); assertFalse(m1.equals(m2)); m2.setLabelAnchor(RectangleAnchor.TOP_RIGHT); assertTrue(m1.equals(m2)); m1.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT); assertFalse(m1.equals(m2)); m2.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT); assertTrue(m1.equals(m2)); m1.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0)); assertFalse(m1.equals(m2)); m2.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0)); assertTrue(m1.equals(m2)); m1.setLabelOffsetType(LengthAdjustmentType.EXPAND); assertFalse(m1.equals(m2)); m2.setLabelOffsetType(LengthAdjustmentType.EXPAND); assertTrue(m1.equals(m2)); m1 = new ValueMarker(12.3); m2 = new ValueMarker(45.6); assertFalse(m1.equals(m2)); m2 = new ValueMarker(12.3); assertTrue(m1.equals(m2)); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { ValueMarker m1 = new ValueMarker(25.0); ValueMarker m2 = (ValueMarker) m1.clone(); assertTrue(m1 != m2); assertTrue(m1.getClass() == m2.getClass()); assertTrue(m1.equals(m2)); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() { ValueMarker m1 = new ValueMarker(25.0); ValueMarker m2 = (ValueMarker) TestUtilities.serialised(m1); assertEquals(m1, m2); } private static final double EPSILON = 0.000000001; /** * Some checks for the getValue() and setValue() methods. */ @Test public void testGetSetValue() { ValueMarker m = new ValueMarker(1.1); m.addChangeListener(this); this.lastEvent = null; assertEquals(1.1, m.getValue(), EPSILON); m.setValue(33.3); assertEquals(33.3, m.getValue(), EPSILON); assertEquals(m, this.lastEvent.getMarker()); } /** * Records the last event. * * @param event the last event. */ @Override public void markerChanged(MarkerChangeEvent event) { this.lastEvent = event; } /** * A test for bug 1802195. */ @Test public void test1802195() { ValueMarker m1 = new ValueMarker(25.0); ValueMarker m2 = (ValueMarker) TestUtilities.serialised(m1); assertEquals(m1, m2); try { m2.setValue(-10.0); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * A test for bug report 1808376. */ @Test public void test1808376() { Stroke stroke = new BasicStroke(1.0f); Stroke outlineStroke = new BasicStroke(2.0f); ValueMarker m = new ValueMarker(1.0, Color.red, stroke, Color.blue, outlineStroke, 0.5f); assertEquals(1.0, m.getValue(), EPSILON); assertEquals(Color.red, m.getPaint()); assertEquals(stroke, m.getStroke()); assertEquals(Color.blue, m.getOutlinePaint()); assertEquals(outlineStroke, m.getOutlineStroke()); assertEquals(0.5f, m.getAlpha(), EPSILON); } }