Java example source code file (bug6875716.java)

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Java - Java tags/keywords

awt, component, exception, gui, jlayer, nullpointerexception, runtimeexception, swing, test

The bug6875716.java Java example source code

/*
 * Copyright (c) 2009, 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 6875716
 * @summary JLayer.remove((Component)null) should behave consistently in (not) throwing NPE
 * @author Alexander Potochkin
 */

import javax.swing.*;
import java.awt.*;

public class bug6875716 {

    public static void main(String[] args) throws Exception {
        JLayer<Component> layer = new JLayer(new Component(){});
        layer.setGlassPane(null);
        try {
            layer.remove((Component)null);
        } catch (NullPointerException e) {
            //this is what we expect
            return;
        }
        throw new RuntimeException("Test failed");
    }
}