/*
 * Copyright (c) 2004, 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 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 4633887
 * @summary setting a null Image in setIconImage should not cause exception.
 * @key headful
 * @run main NullIconImageTest
*/

import java.awt.EventQueue;
import java.awt.Frame;

public class NullIconImageTest {
    static Frame f;

    public static void main(String[] args) throws Exception {
        EventQueue.invokeAndWait(() -> {
            try {
                f = new Frame();
                f.setVisible(true);
                f.setIconImage(null); // This call should not cause an exception.
            } finally {
                if (f != null) {
                    f.dispose();
                }
            }
        });
    }

 }// class NullIconImageTest