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/*
* Copyright (c) 1999, 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 4248723
* @summary Tests that ComponentInputMap doesn't throw NPE when deserializing
* @run main bug4248723
*/
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import javax.swing.ComponentInputMap;
import javax.swing.JButton;
import javax.swing.KeyStroke;
public class bug4248723 {
public static Object serializeAndDeserialize(Object toWrite)
throws ClassNotFoundException, IOException {
ByteArrayOutputStream ostream = new ByteArrayOutputStream();
ObjectOutputStream p = new ObjectOutputStream(ostream);
p.writeObject(toWrite);
p.flush();
byte[] data = ostream.toByteArray();
ostream.close();
ByteArrayInputStream istream = new ByteArrayInputStream(data);
ObjectInputStream q = new ObjectInputStream(istream);
Object retValue = q.readObject();
istream.close();
return retValue;
}
public static void main(String[] argv) {
ComponentInputMap cim = new ComponentInputMap(new JButton());
cim.put(KeyStroke.getKeyStroke(
KeyEvent.VK_B, InputEvent.CTRL_DOWN_MASK), "A");
try {
cim = (ComponentInputMap)serializeAndDeserialize(cim);
} catch (ClassNotFoundException|IOException ignore) {
// Should not cause test to fail so silently ignore these
}
}
}
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