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/*
* Copyright (c) 1998, 2023, 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 4195583
@summary Tests List.add(String item) to make sure an NPE is not thrown
when item == null
@key headful
@run main ListNullTest
*/
import java.awt.FlowLayout;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.List;
import java.awt.Robot;
public class ListNullTest {
List list;
Frame frame;
public static void main(String[] args) throws Exception {
ListNullTest test = new ListNullTest();
test.start();
}
public void start () throws Exception {
try {
EventQueue.invokeAndWait(() -> {
list = new List(15);
frame = new Frame("ListNullTest");
frame.add(list);
frame.setLayout(new FlowLayout());
frame.setSize(200, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
list.add("", 0);
list.add((String) null, 1);
});
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
}
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