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/*
* Copyright (c) 1999, 2019, 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.
*/
import java.awt.AWTEvent;
import java.awt.ActiveEvent;
import java.awt.EventQueue;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* @test
* @bug 4137796
* @summary Checks that the posting of events whose sources are not Components
* does not corrupt the EventQueue.
*/
public class NonComponentSourcePost {
public static final int COUNT = 100;
public static CountDownLatch go = new CountDownLatch(COUNT);
public static void main(String[] args) throws Throwable {
EventQueue q = new EventQueue();
for (int i = 0; i < COUNT; i++) {
q.postEvent(new NewActionEvent());
}
if (!go.await(30, TimeUnit.SECONDS)) {
throw new RuntimeException("Timeout");
}
AWTEvent event = q.peekEvent();
if (event != null) {
throw new Exception("Non null event: " + event);
}
if (NewActionEvent.result != NewActionEvent.sum) {
throw new Exception("result: " + NewActionEvent.result +
" sum: " + NewActionEvent.sum);
}
// Simple way to shutdown the AWT machinery
Toolkit.getDefaultToolkit().getSystemEventQueue().push(q);
}
static class NewActionEvent extends ActionEvent implements ActiveEvent {
static int counter = 1;
static int sum = 0;
static int result = 0;
int myval;
public NewActionEvent() {
super("", ACTION_PERFORMED, "" + counter);
myval = counter++;
sum += myval;
}
public synchronized void dispatch() {
result += myval;
try {
wait(100);
} catch (InterruptedException e) {
}
go.countDown();
}
}
}
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