/* ===========================================================
* 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.]
*
* --------------------
* ValueMarkerTest.java
* --------------------
* (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 18-Aug-2003 : Version 1 (DG);
* 14-Jun-2004 : Renamed MarkerTests --> ValueMarkerTests (DG);
* 01-Jun-2005 : Strengthened equals() test (DG);
* 05-Sep-2006 : Added checks for MarkerChangeEvent generation (DG);
* 26-Sep-2007 : Added test1802195() method (DG);
* 08-Oct-2007 : Added test1808376() method (DG);
*
*/
package org.jfree.chart.plot;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Stroke;
import org.jfree.chart.TestUtilities;
import org.jfree.chart.event.MarkerChangeEvent;
import org.jfree.chart.event.MarkerChangeListener;
import org.jfree.ui.LengthAdjustmentType;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RectangleInsets;
import org.jfree.ui.TextAnchor;
import org.junit.Test;
/**
* Tests for the {@link ValueMarker} class.
*/
public class ValueMarkerTest implements MarkerChangeListener {
MarkerChangeEvent lastEvent;
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
Marker m1 = new ValueMarker(45.0);
Marker m2 = new ValueMarker(45.0);
assertTrue(m1.equals(m2));
assertTrue(m2.equals(m1));
m1.setPaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.red));
assertFalse(m1.equals(m2));
m2.setPaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.red));
assertTrue(m1.equals(m2));
BasicStroke stroke = new BasicStroke(2.2f);
m1.setStroke(stroke);
assertFalse(m1.equals(m2));
m2.setStroke(stroke);
assertTrue(m1.equals(m2));
m1.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow,
2.0f, 1.0f, Color.white));
assertFalse(m1.equals(m2));
m2.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow,
2.0f, 1.0f, Color.white));
assertTrue(m1.equals(m2));
m1.setOutlineStroke(stroke);
assertFalse(m1.equals(m2));
m2.setOutlineStroke(stroke);
assertTrue(m1.equals(m2));
m1.setAlpha(0.1f);
assertFalse(m1.equals(m2));
m2.setAlpha(0.1f);
assertTrue(m1.equals(m2));
m1.setLabel("New Label");
assertFalse(m1.equals(m2));
m2.setLabel("New Label");
assertTrue(m1.equals(m2));
m1.setLabelFont(new Font("SansSerif", Font.PLAIN, 10));
assertFalse(m1.equals(m2));
m2.setLabelFont(new Font("SansSerif", Font.PLAIN, 10));
assertTrue(m1.equals(m2));
m1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.blue,
3.0f, 4.0f, Color.yellow));
assertFalse(m1.equals(m2));
m2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.blue,
3.0f, 4.0f, Color.yellow));
assertTrue(m1.equals(m2));
m1.setLabelAnchor(RectangleAnchor.TOP_RIGHT);
assertFalse(m1.equals(m2));
m2.setLabelAnchor(RectangleAnchor.TOP_RIGHT);
assertTrue(m1.equals(m2));
m1.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT);
assertFalse(m1.equals(m2));
m2.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT);
assertTrue(m1.equals(m2));
m1.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
assertFalse(m1.equals(m2));
m2.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
assertTrue(m1.equals(m2));
m1.setLabelOffsetType(LengthAdjustmentType.EXPAND);
assertFalse(m1.equals(m2));
m2.setLabelOffsetType(LengthAdjustmentType.EXPAND);
assertTrue(m1.equals(m2));
m1 = new ValueMarker(12.3);
m2 = new ValueMarker(45.6);
assertFalse(m1.equals(m2));
m2 = new ValueMarker(12.3);
assertTrue(m1.equals(m2));
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
ValueMarker m1 = new ValueMarker(25.0);
ValueMarker m2 = (ValueMarker) m1.clone();
assertTrue(m1 != m2);
assertTrue(m1.getClass() == m2.getClass());
assertTrue(m1.equals(m2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() {
ValueMarker m1 = new ValueMarker(25.0);
ValueMarker m2 = (ValueMarker) TestUtilities.serialised(m1);
assertEquals(m1, m2);
}
private static final double EPSILON = 0.000000001;
/**
* Some checks for the getValue() and setValue() methods.
*/
@Test
public void testGetSetValue() {
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(1.1, m.getValue(), EPSILON);
m.setValue(33.3);
assertEquals(33.3, m.getValue(), EPSILON);
assertEquals(m, this.lastEvent.getMarker());
}
/**
* Records the last event.
*
* @param event the last event.
*/
@Override
public void markerChanged(MarkerChangeEvent event) {
this.lastEvent = event;
}
/**
* A test for bug 1802195.
*/
@Test
public void test1802195() {
ValueMarker m1 = new ValueMarker(25.0);
ValueMarker m2 = (ValueMarker) TestUtilities.serialised(m1);
assertEquals(m1, m2);
try {
m2.setValue(-10.0);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
/**
* A test for bug report 1808376.
*/
@Test
public void test1808376() {
Stroke stroke = new BasicStroke(1.0f);
Stroke outlineStroke = new BasicStroke(2.0f);
ValueMarker m = new ValueMarker(1.0, Color.red, stroke, Color.blue,
outlineStroke, 0.5f);
assertEquals(1.0, m.getValue(), EPSILON);
assertEquals(Color.red, m.getPaint());
assertEquals(stroke, m.getStroke());
assertEquals(Color.blue, m.getOutlinePaint());
assertEquals(outlineStroke, m.getOutlineStroke());
assertEquals(0.5f, m.getAlpha(), EPSILON);
}
}