/*
* TestTrace2D.java of project jchart2d -
* a test case for class TestTrace2D.
* Copyright (C) Achim Westermann, created on 23.04.2005, 08:21:12
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* If you modify or optimize the code in a useful way please let me know.
* Achim.Westermann@gmx.de
*
*/
package info.monitorenter.gui.chart.traces;
import info.monitorenter.gui.chart.Chart2D;
import info.monitorenter.gui.chart.ITrace2D;
import info.monitorenter.gui.chart.ITracePoint2D;
import info.monitorenter.gui.chart.TracePoint2D;
import java.awt.Color;
import java.awt.GraphicsEnvironment;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.Iterator;
import junit.framework.Assert;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Junit test case for <code>{@link Trace2DSimple}</code>.
* <p>
*
* @author <a href="mailto:Achim.Westermann@gmx.de">Achim Westermann</a>
*
*/
public class TestTrace2D extends TestCase {
/**
* Test suite for this test class.
* <p>
*
* @return the test suite
*/
public static Test suite() {
TestSuite suite = new TestSuite();
suite.setName(TestTrace2D.class.getName());
suite.addTest(new TestTrace2D("testAddRemoveManyTrace2DLtd"));
suite.addTest(new TestTrace2D("testAddRemoveManyTrace2DSimple"));
suite.addTest(new TestTrace2D("testMemoryLeakTrace2PointDListeners"));
suite.addTest(new TestTrace2D("testPropertyChange"));
return suite;
}
/**
* Creates a test case with the given name.
* <p>
*
* @param testName
* the name of the test case.
*/
public TestTrace2D(final String testName) {
super(testName);
}
/**
* <p>
* Add several <code>Trace2DLtd</code> instances and remove them (procedure
* two times) and check for zero traces remaining within the chart.
* </p>
*
*/
public void testAddRemoveManyTrace2DLtd() {
Chart2D chart = new Chart2D();
ArrayList<ITrace2D> traces = new ArrayList<ITrace2D>(5);
for (int i = 0; i < 5; i++) {
traces.add(new Trace2DLtd("Trace " + i));
}
for (int i = 0; i < 5; i++) {
chart.addTrace(traces.get(i));
}
Iterator<ITrace2D> tracesIt = chart.getTraces().iterator();
StringBuffer msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 5, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.removeTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 0, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.addTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 5, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.removeTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 0, chart.getTraces().size());
}
/**
* <p>
* Add several <code>Trace2DSimple</code> instances and remove them
* (procedure two times) and check for zero traces remaining within the
* chart.
* </p>
*
*/
public void testAddRemoveManyTrace2DSimple() {
Chart2D chart = new Chart2D();
ArrayList<ITrace2D> traces = new ArrayList<ITrace2D>(5);
for (int i = 0; i < 5; i++) {
traces.add(new Trace2DSimple("Trace " + i));
}
for (int i = 0; i < 5; i++) {
chart.addTrace(traces.get(i));
}
Iterator<ITrace2D> tracesIt = chart.getTraces().iterator();
StringBuffer msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 5, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.removeTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append((tracesIt.next()).getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 0, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.addTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 5, chart.getTraces().size());
for (int i = 0; i < 5; i++) {
chart.removeTrace(traces.get(i));
}
tracesIt = chart.getTraces().iterator();
msg = new StringBuffer("[");
while (tracesIt.hasNext()) {
msg.append(tracesIt.next().getName());
if (tracesIt.hasNext()) {
msg.append(',');
}
}
msg.append(']');
Assert.assertEquals("Wrong number of traces contained: "
+ msg.toString(), 0, chart.getTraces().size());
}
/**
* Adds and removes a trace point to a trace and asserts that zero listeners
* are in the trace point afterwards.
* <p>
*/
public void testMemoryLeakTrace2PointDListeners() {
Chart2D dummyChart = new Chart2D();
ITrace2D trace = new Trace2DSimple();
dummyChart.addTrace(trace);
ITracePoint2D point = new TracePoint2D(1, 1);
trace.addPoint(point);
Assert.assertEquals(1, trace.getSize());
trace.removePoint(point);
Assert.assertEquals(0, trace.getSize());
}
/**
* <p>
* Register <code>PropertyChangeListener</code> instances on a for different
* properties on a <code>Char2D</code>, fire property changes a check for
* <code>PropertyChangeEvent</code> instances being fired or not if they
* should not be fired.
* </p>
*
*/
public void testPropertyChange() {
Chart2D chart = new Chart2D();
/**
* Helper class to detect if <code>{@link PropertyChangeEvent}</code>
* are received as expected.
* <p>
*
* @author <a href="mailto:Achim.Westermann@gmx.de">Achim Westermann</a>
*
* @version $Revision: 1.6 $
*/
class PropertyChangeDetector implements PropertyChangeListener {
/** The caught property change event. */
private PropertyChangeEvent m_event = null;
/**
* Defcon.
* <p>
*/
public PropertyChangeDetector() {
super();
}
/**
* Returns the last <code>{@link PropertyChangeEvent}</code>
* received and clears it internally.
* <p>
*
* @return the last <code>{@link PropertyChangeEvent}</code>
* received
*/
public PropertyChangeEvent consumeEvent() {
PropertyChangeEvent ret = this.m_event;
this.m_event = null;
return ret;
}
/**
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(final PropertyChangeEvent evt) {
this.m_event = evt;
}
}
// test font trigger a "font" change
PropertyChangeDetector fontListener = new PropertyChangeDetector();
chart.addPropertyChangeListener("font", fontListener);
chart.setFont(GraphicsEnvironment.getLocalGraphicsEnvironment()
.getAllFonts()[0]);
Assert
.assertNotNull(
"setFont(Font) on Chart2D did not trigger a PropertyChange for property \"font\". ",
fontListener.consumeEvent());
// trigger a different change:
chart.setBackground(Color.GREEN);
Assert
.assertNull(
"setColor(Color) on Chart2D did trigger a PropertyChange for property \"font\".",
fontListener.consumeEvent());
}
}