/* ===========================================================
* 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.]
*
* -------------------------
* SimpleDialScaleTests.java
* -------------------------
* (C) Copyright 2006-2012, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 03-Nov-2006 : Version 1 (DG);
* 24-Oct-2007 : Updated for API changes (DG);
* 08-Jan-2012 : Added tests for valueToAngle() and angleToValue();
*
*/
package org.jfree.chart.plot.dial;
import org.junit.Test;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
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;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link StandardDialScale} class.
*/
public class StandardDialScaleTest {
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = new StandardDialScale();
assertEquals(s1, s2);
// lowerBound
s1 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
assertEquals(s1, s2);
// upperBound
s1 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
assertEquals(s1, s2);
// startAngle
s1 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
assertEquals(s1, s2);
// extent
s1 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
assertEquals(s1, s2);
// tickRadius
s1.setTickRadius(0.99);
assertFalse(s1.equals(s2));
s2.setTickRadius(0.99);
assertEquals(s1, s2);
// majorTickIncrement
s1.setMajorTickIncrement(11.1);
assertFalse(s1.equals(s2));
s2.setMajorTickIncrement(11.1);
assertEquals(s1, s2);
// majorTickLength
s1.setMajorTickLength(0.09);
assertFalse(s1.equals(s2));
s2.setMajorTickLength(0.09);
assertEquals(s1, s2);
// majorTickPaint
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.yellow));
assertFalse(s1.equals(s2));
s2.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.yellow));
assertEquals(s1, s2);
// majorTickStroke
s1.setMajorTickStroke(new BasicStroke(1.1f));
assertFalse(s1.equals(s2));
s2.setMajorTickStroke(new BasicStroke(1.1f));
assertEquals(s1, s2);
// minorTickCount
s1.setMinorTickCount(7);
assertFalse(s1.equals(s2));
s2.setMinorTickCount(7);
assertEquals(s1, s2);
// minorTickLength
s1.setMinorTickLength(0.09);
assertFalse(s1.equals(s2));
s2.setMinorTickLength(0.09);
assertEquals(s1, s2);
// tickLabelOffset
s1.setTickLabelOffset(0.11);
assertFalse(s1.equals(s2));
s2.setTickLabelOffset(0.11);
assertEquals(s1, s2);
// tickLabelFont
s1.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
assertFalse(s1.equals(s2));
s2.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
assertEquals(s1, s2);
// tickLabelPaint
s1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
3.0f, 4.0f, Color.green));
assertFalse(s1.equals(s2));
s2.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
3.0f, 4.0f, Color.green));
assertEquals(s1, s2);
s1.setTickLabelsVisible(false);
assertFalse(s1.equals(s2));
s2.setTickLabelsVisible(false);
assertEquals(s1, s2);
// check an inherited attribute
s1.setVisible(false);
assertFalse(s1.equals(s2));
s2.setVisible(false);
assertEquals(s1, s2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashCode() {
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = new StandardDialScale();
assertEquals(s1, s2);
int h1 = s1.hashCode();
int h2 = s2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = (StandardDialScale) s1.clone();
assertNotSame(s1, s2);
assertSame(s1.getClass(), s2.getClass());
assertEquals(s1, s2);
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
4.0f, Color.WHITE));
s1.setMajorTickStroke(new BasicStroke(2.0f));
s2 = (StandardDialScale) s1.clone();
assertNotSame(s1, s2);
assertSame(s1.getClass(), s2.getClass());
assertEquals(s1, s2);
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
s1.addChangeListener(l1);
assertTrue(s1.hasListener(l1));
assertFalse(s2.hasListener(l1));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
StandardDialScale s2 = (StandardDialScale) in.readObject();
in.close();
assertEquals(s1, s2);
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
4.0f, Color.WHITE));
s1.setMajorTickStroke(new BasicStroke(2.0f));
buffer = new ByteArrayOutputStream();
out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
s2 = (StandardDialScale) in.readObject();
in.close();
assertEquals(s1, s2);
}
private static final double EPSILON = 0.0000000001;
/**
* Some checks for the valueToAngle() method.
*/
@Test
public void testValueToAngle() {
StandardDialScale s = new StandardDialScale();
assertEquals(175.0, s.valueToAngle(0.0), EPSILON);
assertEquals(90.0, s.valueToAngle(50.0), EPSILON);
assertEquals(5.0, s.valueToAngle(100.0), EPSILON);
assertEquals(192.0, s.valueToAngle(-10.0), EPSILON);
assertEquals(-12.0, s.valueToAngle(110.0), EPSILON);
s = new StandardDialScale(0, 20, 180, -180.0, 10, 3);
assertEquals(180.0, s.valueToAngle(0.0), EPSILON);
assertEquals(90.0, s.valueToAngle(10.0), EPSILON);
assertEquals(0.0, s.valueToAngle(20.0), EPSILON);
}
/**
* Some checks for the angleToValue() method.
*/
@Test
public void testAngleToValue() {
StandardDialScale s = new StandardDialScale();
assertEquals(0.0, s.angleToValue(175.0), EPSILON);
assertEquals(50.0, s.angleToValue(90.0), EPSILON);
assertEquals(100.0, s.angleToValue(5.0), EPSILON);
assertEquals(-10.0, s.angleToValue(192.0), EPSILON);
assertEquals(110.0, s.angleToValue(-12.0), EPSILON);
s = new StandardDialScale(0, 20, 180, -180.0, 10, 3);
assertEquals(0.0, s.angleToValue(180.0), EPSILON);
assertEquals(10.0, s.angleToValue(90.0), EPSILON);
assertEquals(20.0, s.angleToValue(0.0), EPSILON);
}
}