/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.]
*
* ------------------------
* IntervalMarkerTests.java
* ------------------------
* (C) Copyright 2004-2012, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 14-Jun-2004 : Version 1 (DG);
* 05-Sep-2006 : Added checks for MarkerChangeEvents (DG);
* 17-Jun-2012 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.plot;
import org.jfree.chart.event.MarkerChangeEvent;
import org.jfree.chart.event.MarkerChangeListener;
import org.jfree.chart.ui.GradientPaintTransformType;
import org.jfree.chart.ui.GradientPaintTransformer;
import org.jfree.chart.ui.StandardGradientPaintTransformer;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
/**
* Tests for the {@link IntervalMarker} class.
*/
public class IntervalMarkerTest
implements MarkerChangeListener {
MarkerChangeEvent lastEvent;
/**
* Records the last event.
*
* @param event the last event.
*/
@Override
public void markerChanged(MarkerChangeEvent event) {
this.lastEvent = event;
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
IntervalMarker m1 = new IntervalMarker(45.0, 50.0);
IntervalMarker m2 = new IntervalMarker(45.0, 50.0);
assertEquals(m1, m2);
assertEquals(m2, m1);
m1 = new IntervalMarker(44.0, 50.0);
assertFalse(m1.equals(m2));
m2 = new IntervalMarker(44.0, 50.0);
assertEquals(m1, m2);
m1 = new IntervalMarker(44.0, 55.0);
assertFalse(m1.equals(m2));
m2 = new IntervalMarker(44.0, 55.0);
assertEquals(m1, m2);
GradientPaintTransformer t = new StandardGradientPaintTransformer(
GradientPaintTransformType.HORIZONTAL);
m1.setGradientPaintTransformer(t);
assertFalse(m1.equals(m2));
m2.setGradientPaintTransformer(t);
assertEquals(m1, m2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
IntervalMarker m1 = new IntervalMarker(45.0, 50.0);
IntervalMarker m2 = (IntervalMarker) m1.clone();
assertNotSame(m1, m2);
assertSame(m1.getClass(), m2.getClass());
assertEquals(m1, m2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
IntervalMarker m1 = new IntervalMarker(45.0, 50.0);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
IntervalMarker m2 = (IntervalMarker) in.readObject();
in.close();
assertEquals(m1, m2);
}
private static final double EPSILON = 0.0000000001;
/**
* Some checks for the getStartValue() and setStartValue() methods.
*/
@Test
public void testGetSetStartValue() {
IntervalMarker m = new IntervalMarker(1.0, 2.0);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(1.0, m.getStartValue(), EPSILON);
m.setStartValue(0.5);
assertEquals(0.5, m.getStartValue(), EPSILON);
assertEquals(m, this.lastEvent.getMarker());
}
/**
* Some checks for the getEndValue() and setEndValue() methods.
*/
@Test
public void testGetSetEndValue() {
IntervalMarker m = new IntervalMarker(1.0, 2.0);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(2.0, m.getEndValue(), EPSILON);
m.setEndValue(0.5);
assertEquals(0.5, m.getEndValue(), EPSILON);
assertEquals(m, this.lastEvent.getMarker());
}
}