/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.awt;
import javax.swing.DebugGraphics;
import javax.swing.JButton;
import junit.framework.TestCase;
public class ContainerRTest extends TestCase {
public final void testRemoveComponent() {
// Regression test for HARMONY-1476
try {
new Container().remove((Component) null);
fail("NPE was not thrown");
} catch (NullPointerException ex) {
// passed
}
}
public final void testSetFocusTraversalKeys() {
try {
Button btn = new Button();
btn
.setFocusTraversalKeys(
KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS,
new Container()
.getFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS));
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException e) {
}
}
@SuppressWarnings("serial")
public final void testAddNotify() {
Container c1 = new Container(){};
Container c2 = new Container(){};
assertFalse(c1.isDisplayable());
assertFalse(c2.isDisplayable());
c1.add(c2);
c1.addNotify();
assertTrue(c1.isDisplayable());
assertTrue(c2.isDisplayable());
}
public final void testPaint() {
// Regression test for HARMONY-2527
final Component c = new Frame();
c.paint(c.getGraphics());
// End of regression for HARMONY-2527
// Regression for HARMONY-3443
final Graphics g;
final Frame f = new Frame();
f.add(new JButton());
f.setVisible(true);
g = f.getGraphics();
try {
g.setClip(null);
assertNull(g.getClip());
f.paint(g);
} finally {
f.dispose();
}
// End of regression for HARMONY-3443
// Regression for HARMONY-3430
new Container().paint(new DebugGraphics());
// End of regression for HARMONY-3430
}
public void testAddComponent() {
try {
Container s = new Container();
s.add((Component) null);
fail("NPE should be thrown");
} catch (NullPointerException npe) {
// PASSED
}
}
// regression for HARMONY-2443
public void testPaintComponentsImpl() {
ScrollPane scp = new ScrollPane();
scp.printComponents((Graphics) null);
}
}