test/jdk/java/awt/TrayIcon/SystemTrayInstance/SystemTrayInstanceTest.java

/*
 * Copyright (c) 2007, 2022, 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
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 * questions.
 */

import java.awt.SystemTray;

/*
 * @test
 * @key headful
 * @summary Check the getSystemTray method of the SystemTray. Checks if
 *          a proper instance is returned in supported platforms and a proper
 *          exception is thrown in unsupported platforms
 * @author Dmitriy Ermashov (dmitriy.ermashov@oracle.com)
 * @requires (os.family != "linux")
 * @run main/othervm -DSystemTraySupport=TRUE SystemTrayInstanceTest
 */

/*
 * @test
 * @key headful
 * @requires (os.family == "linux")
 * @run main/othervm -DSystemTraySupport=MAYBE SystemTrayInstanceTest
 */

public class SystemTrayInstanceTest {

    private static boolean shouldSupport = false;

    public static void main(String[] args) throws Exception {
        String sysTraySupport = System.getProperty("SystemTraySupport");
        if (sysTraySupport == null)
            throw new RuntimeException("SystemTray support status unknown!");

        if ("TRUE".equals(sysTraySupport)) {
            System.out.println("System tray should be supported on this platform.");
            shouldSupport = true;
        }

        new SystemTrayInstanceTest().doTest();
    }

    private void doTest() {
        boolean systemSupported = SystemTray.isSupported();
        if (shouldSupport && !systemSupported) {
            throw new RuntimeException(
                    "FAIL: SystemTray is not supported on the platform under test, while it should."
            );
        }

        if (shouldSupport || systemSupported) {
            SystemTray tray = SystemTray.getSystemTray();
            System.out.println("SystemTray instance received");
        } else {
            boolean exceptionThrown = false;
            try {
                SystemTray tray = SystemTray.getSystemTray();
            } catch (UnsupportedOperationException uoe) {
                exceptionThrown = true;
                System.out.println("UnsupportedOperationException thrown correctly");
            }
            if (!exceptionThrown) {
                throw new RuntimeException("UnsupportedOperationException is not thrown");
            }
        }
    }
}