/* ===========================================================
* 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.]
*
* -------------------
* MeterPlotTests.java
* -------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 27-Mar-2003 : Version 1 (DG);
* 12-May-2004 : Updated testEquals() (DG);
* 29-Nov-2007 : Updated testEquals() and testSerialization1() for
* dialOutlinePaint (DG)
*
*/
package org.jfree.chart.plot;
import org.jfree.data.Range;
import org.jfree.data.general.DefaultValueDataset;
import org.junit.Test;
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 java.text.DecimalFormat;
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 MeterPlot} class.
*/
public class MeterPlotTest {
/**
* Test the equals method to ensure that it can distinguish the required
* fields. Note that the dataset is NOT considered in the equals test.
*/
@Test
public void testEquals() {
MeterPlot plot1 = new MeterPlot();
MeterPlot plot2 = new MeterPlot();
assertEquals(plot1, plot2);
// units
plot1.setUnits("mph");
assertFalse(plot1.equals(plot2));
plot2.setUnits("mph");
assertEquals(plot1, plot2);
// range
plot1.setRange(new Range(50.0, 70.0));
assertFalse(plot1.equals(plot2));
plot2.setRange(new Range(50.0, 70.0));
assertEquals(plot1, plot2);
// interval
plot1.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
assertFalse(plot1.equals(plot2));
plot2.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
assertEquals(plot1, plot2);
// dial outline paint
plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
assertFalse(plot1.equals(plot2));
plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
assertEquals(plot1, plot2);
// dial shape
plot1.setDialShape(DialShape.CHORD);
assertFalse(plot1.equals(plot2));
plot2.setDialShape(DialShape.CHORD);
assertEquals(plot1, plot2);
// dial background paint
plot1.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED,
7.0f, 6.0f, Color.BLUE));
assertFalse(plot1.equals(plot2));
plot2.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED,
7.0f, 6.0f, Color.BLUE));
assertEquals(plot1, plot2);
// dial outline paint
plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.RED));
assertFalse(plot1.equals(plot2));
plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.RED));
assertEquals(plot1, plot2);
// needle paint
plot1.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED,
7.0f, 6.0f, Color.BLUE));
assertFalse(plot1.equals(plot2));
plot2.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED,
7.0f, 6.0f, Color.BLUE));
assertEquals(plot1, plot2);
// value font
plot1.setValueFont(new Font("Serif", Font.PLAIN, 6));
assertFalse(plot1.equals(plot2));
plot2.setValueFont(new Font("Serif", Font.PLAIN, 6));
assertEquals(plot1, plot2);
// value paint
plot1.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK,
3.0f, 4.0f, Color.WHITE));
assertFalse(plot1.equals(plot2));
plot2.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK,
3.0f, 4.0f, Color.WHITE));
assertEquals(plot1, plot2);
// tick labels visible
plot1.setTickLabelsVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setTickLabelsVisible(false);
assertEquals(plot1, plot2);
// tick label font
plot1.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
assertFalse(plot1.equals(plot2));
plot2.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
assertEquals(plot1, plot2);
// tick label paint
plot1.setTickLabelPaint(Color.RED);
assertFalse(plot1.equals(plot2));
plot2.setTickLabelPaint(Color.RED);
assertEquals(plot1, plot2);
// tick label format
plot1.setTickLabelFormat(new DecimalFormat("0"));
assertFalse(plot1.equals(plot2));
plot2.setTickLabelFormat(new DecimalFormat("0"));
assertEquals(plot1, plot2);
// tick paint
plot1.setTickPaint(Color.green);
assertFalse(plot1.equals(plot2));
plot2.setTickPaint(Color.green);
assertEquals(plot1, plot2);
// tick size
plot1.setTickSize(1.23);
assertFalse(plot1.equals(plot2));
plot2.setTickSize(1.23);
assertEquals(plot1, plot2);
// draw border
plot1.setDrawBorder(!plot1.getDrawBorder());
assertFalse(plot1.equals(plot2));
plot2.setDrawBorder(plot1.getDrawBorder());
assertEquals(plot1, plot2);
// meter angle
plot1.setMeterAngle(22);
assertFalse(plot1.equals(plot2));
plot2.setMeterAngle(22);
assertEquals(plot1, plot2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
MeterPlot p1 = new MeterPlot();
MeterPlot p2 = (MeterPlot) p1.clone();
assertNotSame(p1, p2);
assertSame(p1.getClass(), p2.getClass());
assertEquals(p1, p2);
// the clone and the original share a reference to the SAME dataset
assertSame(p1.getDataset(), p2.getDataset());
// try a few checks to ensure that the clone is independent of the
// original
p1.getTickLabelFormat().setMinimumIntegerDigits(99);
assertFalse(p1.equals(p2));
p2.getTickLabelFormat().setMinimumIntegerDigits(99);
assertEquals(p1, p2);
p1.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
assertFalse(p1.equals(p2));
p2.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
assertEquals(p1, p2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization1() throws IOException, ClassNotFoundException {
MeterPlot p1 = new MeterPlot(null);
p1.setDialBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
p1.setDialOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.RED,
2.0f, 1.0f, Color.BLUE));
p1.setNeedlePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
p1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
p1.setTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(p1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
MeterPlot p2 = (MeterPlot) in.readObject();
in.close();
assertEquals(p1, p2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization2() throws IOException, ClassNotFoundException {
MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(p1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
MeterPlot p2 = (MeterPlot) in.readObject();
in.close();
assertEquals(p1, p2);
}
}