/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------
* MarkerTests.java
* ----------------
* (C) Copyright 2006, 2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 05-Sep-2006 : Version 1 (DG);
*
*/
package org.jfree.chart.plot.junit;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.util.Arrays;
import java.util.EventListener;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.event.MarkerChangeEvent;
import org.jfree.chart.event.MarkerChangeListener;
import org.jfree.chart.plot.CategoryMarker;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.plot.XYPlot;
import org.jfree.ui.LengthAdjustmentType;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RectangleInsets;
import org.jfree.ui.TextAnchor;
/**
* Tests for the {@link Marker} class.
*/
public class MarkerTests extends TestCase implements MarkerChangeListener {
MarkerChangeEvent lastEvent;
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(MarkerTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public MarkerTests(String name) {
super(name);
}
/**
* Some checks for the getPaint() and setPaint() methods.
*/
public void testGetSetPaint() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(Color.gray, m.getPaint());
m.setPaint(Color.blue);
assertEquals(Color.blue, m.getPaint());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setPaint(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getStroke() and setStroke() methods.
*/
public void testGetSetStroke() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(new BasicStroke(0.5f), m.getStroke());
m.setStroke(new BasicStroke(1.1f));
assertEquals(new BasicStroke(1.1f), m.getStroke());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setStroke(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getOutlinePaint() and setOutlinePaint() methods.
*/
public void testGetSetOutlinePaint() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(Color.gray, m.getOutlinePaint());
m.setOutlinePaint(Color.yellow);
assertEquals(Color.yellow, m.getOutlinePaint());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
m.setOutlinePaint(null);
assertEquals(null, m.getOutlinePaint());
}
/**
* Some checks for the getOutlineStroke() and setOutlineStroke() methods.
*/
public void testGetSetOutlineStroke() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(new BasicStroke(0.5f), m.getOutlineStroke());
m.setOutlineStroke(new BasicStroke(1.1f));
assertEquals(new BasicStroke(1.1f), m.getOutlineStroke());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
m.setOutlineStroke(null);
assertEquals(null, m.getOutlineStroke());
}
private static final float EPSILON = 0.000000001f;
/**
* Some checks for the getAlpha() and setAlpha() methods.
*/
public void testGetSetAlpha() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(0.8f, m.getAlpha(), EPSILON);
m.setAlpha(0.5f);
assertEquals(0.5f, m.getAlpha(), EPSILON);
assertEquals(m, this.lastEvent.getMarker());
}
/**
* Some checks for the getLabel() and setLabel() methods.
*/
public void testGetSetLabel() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(null, m.getLabel());
m.setLabel("XYZ");
assertEquals("XYZ", m.getLabel());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
m.setLabel(null);
assertEquals(null, m.getLabel());
}
/**
* Some checks for the getLabelFont() and setLabelFont() methods.
*/
public void testGetSetLabelFont() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(new Font("SansSerif", Font.PLAIN, 9), m.getLabelFont());
m.setLabelFont(new Font("SansSerif", Font.BOLD, 10));
assertEquals(new Font("SansSerif", Font.BOLD, 10), m.getLabelFont());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelFont(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getLabelPaint() and setLabelPaint() methods.
*/
public void testGetSetLabelPaint() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(Color.black, m.getLabelPaint());
m.setLabelPaint(Color.red);
assertEquals(Color.red, m.getLabelPaint());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelPaint(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getLabelAnchor() and setLabelAnchor() methods.
*/
public void testGetSetLabelAnchor() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(RectangleAnchor.TOP_LEFT, m.getLabelAnchor());
m.setLabelAnchor(RectangleAnchor.TOP);
assertEquals(RectangleAnchor.TOP, m.getLabelAnchor());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelAnchor(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getLabelOffset() and setLabelOffset() methods.
*/
public void testGetSetLabelOffset() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(new RectangleInsets(3, 3, 3, 3), m.getLabelOffset());
m.setLabelOffset(new RectangleInsets(1, 2, 3, 4));
assertEquals(new RectangleInsets(1, 2, 3, 4), m.getLabelOffset());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelOffset(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getLabelOffsetType() and setLabelOffsetType()
* methods.
*/
public void testGetSetLabelOffsetType() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(LengthAdjustmentType.CONTRACT, m.getLabelOffsetType());
m.setLabelOffsetType(LengthAdjustmentType.EXPAND);
assertEquals(LengthAdjustmentType.EXPAND, m.getLabelOffsetType());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelOffsetType(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Some checks for the getLabelTextAnchor() and setLabelTextAnchor()
* methods.
*/
public void testGetSetLabelTextAnchor() {
// we use ValueMarker for the tests, because we need a concrete
// subclass...
ValueMarker m = new ValueMarker(1.1);
m.addChangeListener(this);
this.lastEvent = null;
assertEquals(TextAnchor.CENTER, m.getLabelTextAnchor());
m.setLabelTextAnchor(TextAnchor.BASELINE_LEFT);
assertEquals(TextAnchor.BASELINE_LEFT, m.getLabelTextAnchor());
assertEquals(m, this.lastEvent.getMarker());
// check null argument...
try {
m.setLabelTextAnchor(null);
fail("Expected an IllegalArgumentException for null.");
}
catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* Checks that a CategoryPlot deregisters listeners when clearing markers.
*/
public void testListenersWithCategoryPlot() {
CategoryPlot plot = new CategoryPlot();
CategoryMarker marker1 = new CategoryMarker("X");
ValueMarker marker2 = new ValueMarker(1.0);
plot.addDomainMarker(marker1);
plot.addRangeMarker(marker2);
EventListener[] listeners1 = marker1.getListeners(
MarkerChangeListener.class);
assertTrue(Arrays.asList(listeners1).contains(plot));
EventListener[] listeners2 = marker1.getListeners(
MarkerChangeListener.class);
assertTrue(Arrays.asList(listeners2).contains(plot));
plot.clearDomainMarkers();
plot.clearRangeMarkers();
listeners1 = marker1.getListeners(MarkerChangeListener.class);
assertFalse(Arrays.asList(listeners1).contains(plot));
listeners2 = marker1.getListeners(MarkerChangeListener.class);
assertFalse(Arrays.asList(listeners2).contains(plot));
}
/**
* Checks that an XYPlot deregisters listeners when clearing markers.
*/
public void testListenersWithXYPlot() {
XYPlot plot = new XYPlot();
ValueMarker marker1 = new ValueMarker(1.0);
ValueMarker marker2 = new ValueMarker(2.0);
plot.addDomainMarker(marker1);
plot.addRangeMarker(marker2);
EventListener[] listeners1 = marker1.getListeners(
MarkerChangeListener.class);
assertTrue(Arrays.asList(listeners1).contains(plot));
EventListener[] listeners2 = marker1.getListeners(
MarkerChangeListener.class);
assertTrue(Arrays.asList(listeners2).contains(plot));
plot.clearDomainMarkers();
plot.clearRangeMarkers();
listeners1 = marker1.getListeners(MarkerChangeListener.class);
assertFalse(Arrays.asList(listeners1).contains(plot));
listeners2 = marker1.getListeners(MarkerChangeListener.class);
assertFalse(Arrays.asList(listeners2).contains(plot));
}
public void markerChanged(MarkerChangeEvent event) {
this.lastEvent = event;
}
}