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/*
* Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4130788
* @summary Choice components move unexpectedly when in lightweight containers
* @library /java/awt/regtesthelpers
* @build PassFailJFrame
* @run main/manual ChoiceInLWTest
*/
import java.awt.BorderLayout;
import java.awt.Choice;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Label;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.lang.reflect.InvocationTargetException;
public class ChoiceInLWTest extends Frame implements Runnable {
private final Choice choices;
static final String INSTRUCTIONS = """
After test starts wait for two seconds and open a choice.
If choice's popup obscures the label above it press Fail.
Otherwise press Pass.
""";
public ChoiceInLWTest() {
setLayout(new BorderLayout());
Container lwCont = new Container();
lwCont.setLayout(new FlowLayout());
choices = new Choice();
choices.add("This is just a token item to get a nice width.");
lwCont.add(choices);
add("Center", lwCont);
Label label = new Label("You should see an unobscured Choice below.");
label.setAlignment(Label.CENTER);
add("North", label);
addChoiceItem();
addWindowListener(new WindowAdapter() {
@Override
public void windowOpened(WindowEvent e) {
super.windowOpened(e);
new Thread(ChoiceInLWTest.this).start();
}
});
pack();
}
private void addChoiceItem() {
choices.add("Adding an item used to move the Choice!");
}
public void run() {
try {
Thread.sleep(1000);
} catch (InterruptedException ignore) {
}
addChoiceItem();
}
public static void main(String[] args) throws InterruptedException,
InvocationTargetException {
PassFailJFrame.builder()
.title("Choice in LW Container Test")
.testUI(ChoiceInLWTest::new)
.instructions(INSTRUCTIONS)
.columns(40)
.build()
.awaitAndCheck();
}
}
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