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