// Tags: JDK1.2
// Uses: TestComponent
// Copyright (C) 2005 Roman Kennke <kennke@aicas.com>
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.javax.swing.JComponent;
import java.awt.Dimension;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JComponent;
import javax.swing.JPanel;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Tests if setPreferredSize works correctly.
*
* @author Roman Kennke (kennke@aicas.com)
*/
public class setPreferredSize implements Testlet, PropertyChangeListener
{
PropertyChangeEvent event;
public void propertyChange(PropertyChangeEvent event)
{
this.event = event;
}
/**
* Starts the test run.
*
* @param harness the test harness to use
*/
public void test(TestHarness harness)
{
testGeneral(harness);
testPropertyChangeEvent(harness);
testRepaint(harness);
testRevalidate(harness);
}
/**
* Some general checks.
*
* @param harness the test harness.
*/
private void testGeneral(TestHarness harness)
{
JComponent c = new JPanel();
harness.check(c.getPreferredSize(), new Dimension(10, 10));
Dimension d = new Dimension(123, 456);
c.setPreferredSize(d);
harness.check(c.getPreferredSize(), d);
harness.check(c.getPreferredSize() != d);
c.setPreferredSize(null); // restores the default
harness.check(c.getPreferredSize(), new Dimension(10, 10));
}
private void testPropertyChangeEvent(TestHarness harness)
{
JComponent c = new JPanel();
c.addPropertyChangeListener(this);
c.setPreferredSize(new Dimension(1, 2));
harness.check(this.event.getPropertyName(), "preferredSize");
harness.check(this.event.getOldValue(), null);
harness.check(this.event.getNewValue(), new Dimension(1, 2));
this.event = null;
c.setPreferredSize(null);
harness.check(this.event.getOldValue(), new Dimension(1, 2));
harness.check(this.event.getNewValue(), null);
this.event = null;
c.setPreferredSize(null);
harness.check(this.event.getOldValue(), null);
harness.check(this.event.getNewValue(), null);
c.setPreferredSize(new Dimension(12, 34));
this.event = null;
c.setPreferredSize(new Dimension(12, 34));
harness.check(this.event, null);
}
/**
* Tests if setPreferredSize triggers a repaint.
*
* @param harness the test harness to use
*/
private void testRepaint(TestHarness harness)
{
Dimension s1 = new Dimension(100, 100);
Dimension s2 = new Dimension(200, 200);
TestComponent c = new TestComponent();
// Set to s1, so that we know the state.
c.setPreferredSize(s1);
c.repaintCalled = false;
// Change state and check if repaint is called.
c.setPreferredSize(s2);
harness.check(c.repaintCalled, false);
// Don't change state.
c.repaintCalled = false;
c.setPreferredSize(s2);
harness.check(c.repaintCalled, false);
// Change state and check if repaint is called.
c.repaintCalled = false;
c.setPreferredSize(s1);
harness.check(c.repaintCalled, false);
// Don't change state.
c.repaintCalled = false;
c.setPreferredSize(s1);
harness.check(c.repaintCalled, false);
}
/**
* Tests if setPreferredSize triggers a revalidate.
*
* @param harness the test harness to use
*/
private void testRevalidate(TestHarness harness)
{
Dimension s1 = new Dimension(100, 100);
Dimension s2 = new Dimension(200, 200);
TestComponent c = new TestComponent();
// Set to s1, so that we know the state.
c.setPreferredSize(s1);
c.revalidateCalled = false;
// Change state and check if repaint is called.
c.setPreferredSize(s2);
harness.check(c.revalidateCalled, false);
// Don't change state.
c.revalidateCalled = false;
c.setPreferredSize(s2);
harness.check(c.revalidateCalled, false);
// Change state and check if repaint is called.
c.revalidateCalled = false;
c.setPreferredSize(s1);
harness.check(c.revalidateCalled, false);
// Don't change state.
c.revalidateCalled = false;
c.setPreferredSize(s1);
harness.check(c.revalidateCalled, false);
}
}