/* ===========================================================
* 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.]
*
* -------------------
* CrosshairTests.java
* -------------------
* (C) Copyright 2009-2012, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 09-Apr-2009 : Version 1 (DG);
* 17-Jun-2012 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.plot;
import org.jfree.chart.labels.StandardCrosshairLabelGenerator;
import org.jfree.chart.ui.RectangleAnchor;
import org.jfree.chart.util.PublicCloneable;
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 java.text.NumberFormat;
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 Crosshair} class.
*/
public class CrosshairTest {
/**
* Some checks for the equals() method.
*/
@Test
public void testEquals() {
Crosshair c1 = new Crosshair(1.0, Color.BLUE, new BasicStroke(1.0f));
Crosshair c2 = new Crosshair(1.0, Color.BLUE, new BasicStroke(1.0f));
assertEquals(c1, c1);
assertEquals(c2, c1);
c1.setVisible(false);
assertFalse(c1.equals(c2));
c2.setVisible(false);
assertEquals(c1, c2);
c1.setValue(2.0);
assertFalse(c1.equals(c2));
c2.setValue(2.0);
assertEquals(c1, c2);
c1.setPaint(Color.RED);
assertFalse(c1.equals(c2));
c2.setPaint(Color.RED);
assertEquals(c1, c2);
c1.setStroke(new BasicStroke(1.1f));
assertFalse(c1.equals(c2));
c2.setStroke(new BasicStroke(1.1f));
assertEquals(c1, c2);
c1.setLabelVisible(true);
assertFalse(c1.equals(c2));
c2.setLabelVisible(true);
assertEquals(c1, c2);
c1.setLabelAnchor(RectangleAnchor.TOP_LEFT);
assertFalse(c1.equals(c2));
c2.setLabelAnchor(RectangleAnchor.TOP_LEFT);
assertEquals(c1, c2);
c1.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}",
NumberFormat.getNumberInstance()));
assertFalse(c1.equals(c2));
c2.setLabelGenerator(new StandardCrosshairLabelGenerator("Value = {0}",
NumberFormat.getNumberInstance()));
assertEquals(c1, c2);
c1.setLabelXOffset(11);
assertFalse(c1.equals(c2));
c2.setLabelXOffset(11);
assertEquals(c1, c2);
c1.setLabelYOffset(22);
assertFalse(c1.equals(c2));
c2.setLabelYOffset(22);
assertEquals(c1, c2);
c1.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
assertFalse(c1.equals(c2));
c2.setLabelFont(new Font("Dialog", Font.PLAIN, 8));
assertEquals(c1, c2);
c1.setLabelPaint(Color.RED);
assertFalse(c1.equals(c2));
c2.setLabelPaint(Color.RED);
assertEquals(c1, c2);
c1.setLabelBackgroundPaint(Color.yellow);
assertFalse(c1.equals(c2));
c2.setLabelBackgroundPaint(Color.yellow);
assertEquals(c1, c2);
c1.setLabelOutlineVisible(false);
assertFalse(c1.equals(c2));
c2.setLabelOutlineVisible(false);
assertEquals(c1, c2);
c1.setLabelOutlineStroke(new BasicStroke(2.0f));
assertFalse(c1.equals(c2));
c2.setLabelOutlineStroke(new BasicStroke(2.0f));
assertEquals(c1, c2);
c1.setLabelOutlinePaint(Color.darkGray);
assertFalse(c1.equals(c2));
c2.setLabelOutlinePaint(Color.darkGray);
assertEquals(c1, c2);
}
/**
* Simple check that hashCode is implemented.
*/
@Test
public void testHashCode() {
Crosshair c1 = new Crosshair(1.0);
Crosshair c2 = new Crosshair(1.0);
assertEquals(c1, c2);
assertEquals(c1.hashCode(), c2.hashCode());
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f,
Color.RED, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f));
Crosshair c2 = (Crosshair) c1.clone();
assertNotSame(c1, c2);
assertSame(c1.getClass(), c2.getClass());
assertEquals(c1, c2);
}
/**
* Check to ensure that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
Crosshair c1 = new Crosshair(1.0);
assertTrue(c1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
Crosshair c1 = new Crosshair(1.0, new GradientPaint(1.0f, 2.0f,
Color.RED, 3.0f, 4.0f, Color.BLUE), new BasicStroke(1.0f));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(c1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
Crosshair c2 = (Crosshair) in.readObject();
in.close();
assertEquals(c1, c2);
}
}