127 lines
4.4 KiB
Java
127 lines
4.4 KiB
Java
/*
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* Copyright (c) 2010, 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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/*
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@test
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@bug 6949936
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@author Artem Ananiev: area=eventqueue
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@run main/timeout=30 SecondaryLoopTest
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*/
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import java.awt.*;
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/**
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* Unit test for java.awt.SecondaryLoop implementation
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*/
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public class SecondaryLoopTest {
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private static volatile boolean loopStarted;
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private static volatile boolean doubleEntered;
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private static volatile boolean loopActive;
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private static volatile boolean eventDispatched;
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public static void main(String[] args) throws Exception {
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test(true, true);
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test(true, false);
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test(false, true);
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test(false, false);
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}
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private static void test(final boolean enterEDT, final boolean exitEDT) throws Exception {
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System.out.println("Running test(" + enterEDT + ", " + exitEDT + ")");
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System.err.flush();
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loopStarted = true;
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Runnable enterRun = new Runnable() {
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@Override
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public void run() {
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Toolkit tk = Toolkit.getDefaultToolkit();
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EventQueue eq = tk.getSystemEventQueue();
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final SecondaryLoop loop = eq.createSecondaryLoop();
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doubleEntered = false;
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eventDispatched = false;
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Runnable eventRun = new Runnable() {
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@Override
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public void run() {
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// Let the loop enter
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sleep(1000);
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if (loop.enter()) {
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doubleEntered = true;
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}
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eventDispatched = true;
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}
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};
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EventQueue.invokeLater(eventRun);
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Runnable exitRun = new Runnable() {
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@Override
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public void run() {
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// Let the loop enter and eventRun finish
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sleep(2000);
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if (doubleEntered) {
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// Hopefully, we get here if the loop is entered twice
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loop.exit();
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}
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loop.exit();
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}
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};
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if (exitEDT) {
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EventQueue.invokeLater(exitRun);
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} else {
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new Thread(exitRun).start();
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}
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if (!loop.enter()) {
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loopStarted = false;
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}
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loopActive = eventDispatched;
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}
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};
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if (enterEDT) {
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EventQueue.invokeAndWait(enterRun);
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} else {
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enterRun.run();
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}
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// Print all the flags before we fail with exception
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System.out.println(" loopStarted = " + loopStarted);
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System.out.println(" doubleEntered = " + doubleEntered);
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System.out.println(" loopActive = " + loopActive);
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System.out.flush();
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if (!loopStarted) {
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throw new RuntimeException("Test FAILED: the secondary loop is not started");
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}
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if (doubleEntered) {
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throw new RuntimeException("Test FAILED: the secondary loop is started twice");
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}
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if (!loopActive) {
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throw new RuntimeException("Test FAILED: the secondary loop exited immediately");
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}
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}
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private static void sleep(long t) {
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try {
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Thread.sleep(t);
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} catch (InterruptedException e) {
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e.printStackTrace(System.err);
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}
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}
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}
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