/* * Copyright (c) 2003, 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 4794413 * @summary Tests that access to temporaryLostComponent from two different threads doesn't cause a deadlock * @key headful * @run main TemporaryLostComponentDeadlock */ import java.awt.Button; import java.awt.Dialog; import java.awt.EventQueue; import java.awt.Frame; public class TemporaryLostComponentDeadlock { static Dialog frame1; static Frame frame; public static void main(String[] args) throws Exception { EventQueue.invokeAndWait(() -> { frame = new Frame("frame"); frame1 = new Dialog(frame, "Frame 1", false); frame1.add(new Button("focus owner")); frame1.pack(); frame1.setLocationRelativeTo(null); frame1.setVisible(true); }); Thread t1 = new Thread() { public void run() { synchronized(frame1) { frame1.dispose(); synchronized(frame1) { frame1.notify(); } } } }; try { synchronized(frame1) { t1.start(); frame1.wait(); } } catch( InterruptedException ie) { } finally { if (frame != null) { frame.dispose(); } } System.out.println("Test PASSED"); } }// class TemporaryLostComponentDeadlock