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/*
* Copyright (c) 2017, 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
* @key headful
* @bug 8176490
* @summary Tests that there is no hang or deadlock when the visibility
* of parent and child windows is changed.
* @library ../../regtesthelpers
* @build Util
* @run main/timeout=20 WindowDeadlockTest
*/
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Robot;
import test.java.awt.regtesthelpers.Util;
public class WindowDeadlockTest {
public static void main(String[] args) throws Exception {
Robot robot = Util.createRobot();
Frame main = new Frame("Main");
main.setBounds(0, 0, 200, 100);
main.setVisible(true);
Dialog first = new Dialog(main, "First");
first.setBounds(250, 0, 200, 100);
first.setVisible(true);
Dialog second = new Dialog(first, "Second");
second.setBounds(0, 150, 200, 100);
second.setVisible(true);
Util.waitForIdle(robot);
robot.delay(2000);
Dialog third = new Dialog(first, "Third", false);
third.setBounds(250, 150, 200, 100);
third.setVisible(true);
first.setVisible(false); // the hang takes place here
Util.waitForIdle(robot);
robot.delay(2000);
third.dispose();
second.dispose();
first.dispose();
main.dispose();
}
}
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