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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.]
- *
- * -------------------------
- * LookupPaintScaleTest.java
- * -------------------------
- * (C) Copyright 2006-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 05-Jul-2006 : Version 1 (DG);
- * 31-Jan-2007 : Additional serialization tests (DG);
- * 07-Mar-2007 : Added new tests (DG);
- * 09-Mar-2007 : Check independence in testCloning() (DG);
- *
- */
- package org.jfree.chart.renderer;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
- import java.awt.Color;
- import java.awt.GradientPaint;
- import org.jfree.chart.TestUtilities;
- import org.junit.Test;
- /**
- * Tests for the {@link LookupPaintScale} class.
- */
- public class LookupPaintScaleTest {
- /**
- * A test for the equals() method.
- */
- @Test
- public void testEquals() {
- LookupPaintScale g1 = new LookupPaintScale();
- LookupPaintScale g2 = new LookupPaintScale();
- assertTrue(g1.equals(g2));
- assertTrue(g2.equals(g1));
- g1 = new LookupPaintScale(1.0, 2.0, Color.red);
- assertFalse(g1.equals(g2));
- g2 = new LookupPaintScale(1.0, 2.0, Color.red);
- assertTrue(g1.equals(g2));
- g1.add(1.5, new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
- Color.blue));
- assertFalse(g1.equals(g2));
- g2.add(1.5, new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
- Color.blue));
- assertTrue(g1.equals(g2));
- }
- /**
- * Confirm that cloning works.
- */
- @Test
- public void testCloning() throws CloneNotSupportedException {
- LookupPaintScale g1 = new LookupPaintScale();
- LookupPaintScale g2 = (LookupPaintScale) g1.clone();
- assertTrue(g1 != g2);
- assertTrue(g1.getClass() == g2.getClass());
- assertTrue(g1.equals(g2));
- // check independence
- g1.add(0.5, Color.red);
- assertFalse(g1.equals(g2));
- g2.add(0.5, Color.red);
- assertTrue(g1.equals(g2));
- // try with gradient paint
- g1 = new LookupPaintScale(1.0, 2.0, new GradientPaint(1.0f, 2.0f,
- Color.red, 3.0f, 4.0f, Color.green));
- g1.add(1.5, new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
- Color.blue));
- g2 = (LookupPaintScale) g1.clone();
- assertTrue(g1 != g2);
- assertTrue(g1.getClass() == g2.getClass());
- assertTrue(g1.equals(g2));
- }
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- LookupPaintScale g1 = new LookupPaintScale();
- LookupPaintScale g2 = (LookupPaintScale) TestUtilities.serialised(g1);
- assertEquals(g1, g2);
- g1 = new LookupPaintScale(1.0, 2.0, new GradientPaint(1.0f, 2.0f,
- Color.red, 3.0f, 4.0f, Color.yellow));
- g1.add(1.5, new GradientPaint(1.1f, 2.2f, Color.red, 3.3f, 4.4f,
- Color.blue));
- g2 = (LookupPaintScale) TestUtilities.serialised(g1);
- assertEquals(g1, g2);
- }
- private static final double EPSILON = 0.0000000001;
- /**
- * Some checks for the default constructor.
- */
- @Test
- public void testConstructor1() {
- LookupPaintScale s = new LookupPaintScale();
- assertEquals(0.0, s.getLowerBound(), EPSILON);
- assertEquals(1.0, s.getUpperBound(), EPSILON);
- }
- /**
- * Some checks for the other constructor.
- */
- @Test
- public void testConstructor2() {
- LookupPaintScale s = new LookupPaintScale(1.0, 2.0, Color.red);
- assertEquals(1.0, s.getLowerBound(), EPSILON);
- assertEquals(2.0, s.getUpperBound(), EPSILON);
- assertEquals(Color.red, s.getDefaultPaint());
- }
- /**
- * Some general checks for the lookup table.
- */
- @Test
- public void testGeneral() {
- LookupPaintScale s = new LookupPaintScale(0.0, 100.0, Color.black);
- assertEquals(Color.black, s.getPaint(-1.0));
- assertEquals(Color.black, s.getPaint(0.0));
- assertEquals(Color.black, s.getPaint(50.0));
- assertEquals(Color.black, s.getPaint(100.0));
- assertEquals(Color.black, s.getPaint(101.0));
- s.add(50.0, Color.blue);
- assertEquals(Color.black, s.getPaint(-1.0));
- assertEquals(Color.black, s.getPaint(0.0));
- assertEquals(Color.blue, s.getPaint(50.0));
- assertEquals(Color.blue, s.getPaint(100.0));
- assertEquals(Color.black, s.getPaint(101.0));
- s.add(50.0, Color.red);
- assertEquals(Color.black, s.getPaint(-1.0));
- assertEquals(Color.black, s.getPaint(0.0));
- assertEquals(Color.red, s.getPaint(50.0));
- assertEquals(Color.red, s.getPaint(100.0));
- assertEquals(Color.black, s.getPaint(101.0));
- s.add(25.0, Color.green);
- assertEquals(Color.black, s.getPaint(-1.0));
- assertEquals(Color.black, s.getPaint(0.0));
- assertEquals(Color.green, s.getPaint(25.0));
- assertEquals(Color.red, s.getPaint(50.0));
- assertEquals(Color.red, s.getPaint(100.0));
- assertEquals(Color.black, s.getPaint(101.0));
- s.add(75.0, Color.yellow);
- assertEquals(Color.black, s.getPaint(-1.0));
- assertEquals(Color.black, s.getPaint(0.0));
- assertEquals(Color.green, s.getPaint(25.0));
- assertEquals(Color.red, s.getPaint(50.0));
- assertEquals(Color.yellow, s.getPaint(75.0));
- assertEquals(Color.yellow, s.getPaint(100.0));
- assertEquals(Color.black, s.getPaint(101.0));
- }
- }
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