jdk-24/jdk/test/javax/swing/JLayer/6875716/bug6875716.java

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/*
* Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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<Component>(new Component(){});
layer.setGlassPane(null);
try {
layer.remove((Component)null);
} catch (NullPointerException e) {
//this is what we expect
return;
}
throw new RuntimeException("Test failed");
}
}