87 lines
2.9 KiB
Java
87 lines
2.9 KiB
Java
/*
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* Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.AWTEvent;
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import java.awt.ActiveEvent;
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import java.awt.EventQueue;
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import java.awt.Toolkit;
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import java.awt.event.ActionEvent;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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/**
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* @test
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* @bug 4137796
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* @summary Checks that the posting of events whose sources are not Components
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* does not corrupt the EventQueue.
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*/
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public class NonComponentSourcePost {
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public static final int COUNT = 100;
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public static CountDownLatch go = new CountDownLatch(COUNT);
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public static void main(String[] args) throws Throwable {
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EventQueue q = new EventQueue();
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for (int i = 0; i < COUNT; i++) {
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q.postEvent(new NewActionEvent());
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}
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if (!go.await(30, TimeUnit.SECONDS)) {
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throw new RuntimeException("Timeout");
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}
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AWTEvent event = q.peekEvent();
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if (event != null) {
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throw new Exception("Non null event: " + event);
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}
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if (NewActionEvent.result != NewActionEvent.sum) {
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throw new Exception("result: " + NewActionEvent.result +
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" sum: " + NewActionEvent.sum);
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}
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// Simple way to shutdown the AWT machinery
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Toolkit.getDefaultToolkit().getSystemEventQueue().push(q);
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}
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static class NewActionEvent extends ActionEvent implements ActiveEvent {
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static int counter = 1;
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static int sum = 0;
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static int result = 0;
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int myval;
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public NewActionEvent() {
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super("", ACTION_PERFORMED, "" + counter);
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myval = counter++;
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sum += myval;
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}
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public synchronized void dispatch() {
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result += myval;
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try {
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wait(100);
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} catch (InterruptedException e) {
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}
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go.countDown();
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}
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}
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}
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