test/java/awt/Toolkit/HeadlessTray/HeadlessTray.java

/*
 * Copyright (c) 2008, 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.
 *
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 */

/*
  @test
  @bug 6737722
  @summary no tray support in headless mode
  @author dmitry.cherepanov: area=awt.headless
  @run main HeadlessTray
*/

import java.awt.*;

public class HeadlessTray
{
    public static void main (String args[]) {

        System.setProperty("java.awt.headless", "true");

        // We expect the method returns false and no exception thrown
        boolean isSupported = SystemTray.isSupported();

        if (isSupported) {
            throw new RuntimeException("Tray shouldn't be supported in headless mode ");
        }

    }

}