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/*
* Copyright (c) 2000, 2023, 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 4303064
@summary Tests that choice doesn't freeze display when its container is
disabled and enabled after.
@key headful
*/
import java.awt.Button;
import java.awt.Choice;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
public class ChoiceFreezeTest {
public static void main(String[] args) throws Exception {
try {
EventQueue.invokeAndWait(() -> createUI());
runTest();
} finally {
if (frame != null) {
EventQueue.invokeAndWait(() -> frame.dispose());
}
}
}
static volatile Frame frame;
static volatile ChoiceFreezeBug client;
static void createUI() {
frame = new Frame("ChoiceFreezeTest");
client = new ChoiceFreezeBug();
frame.add(client);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
client.init();
}
static void runTest() throws Exception {
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(2000);
robot.mouseMove(client.choice.getLocationOnScreen().x + 1, client.choice.getLocationOnScreen().y + 1);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
robot.mouseMove(client.button.getLocationOnScreen().x + 3, client.button.getLocationOnScreen().y + 3);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(1000);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.delay(6000);
if (!client.isPassed()) {
throw new RuntimeException("Test failed: display is frozen.");
}
}
}
class ChoiceFreezeBug extends Panel {
volatile Button button;
volatile Choice choice;
volatile ChoiceMouseListener listener = new ChoiceMouseListener();
public ChoiceFreezeBug() {
choice = new Choice();
choice.addItem("Item 1");
choice.addItem("Item 2");
button = new Button("Button");
add(choice);
add(button);
button.addMouseListener(listener);
setEnabled(false);
}
void init() {
setEnabled(true);
choice.requestFocus();
}
public boolean isPassed() {
return listener.isPassed();
}
}
class ChoiceMouseListener extends MouseAdapter {
volatile boolean passed = false;
public void mouseReleased(MouseEvent e) {
passed = true;
}
public void mousePressed(MouseEvent e) {
passed = true;
}
public boolean isPassed() {
return passed;
}
}
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