russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright Amazon.com Inc. 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.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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import java.awt.Window;
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/**
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* @test
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* @key headful
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* @bug 8359266
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* @summary Tests for a race condition when setting a full-screen window
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*/
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public final class FullScreenWindowRace {
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public static void main(String[] args) throws InterruptedException {
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Window window = new Window(null);
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GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice();
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Thread thread = new Thread(() -> {
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while (gd.getFullScreenWindow() == null) {
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// Busy wait - can be optimized away without volatile
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}
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});
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thread.setDaemon(true);
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thread.start();
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// Give thread some time to start and begin the loop
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Thread.sleep(2000);
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gd.setFullScreenWindow(window);
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thread.join(15000);
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boolean alive = thread.isAlive();
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gd.setFullScreenWindow(null);
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window.dispose();
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if (alive) {
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throw new RuntimeException("Full screen window is NOT detected!");
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}
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}
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}
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