/*
 * Copyright (c) 2001, 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).
 *
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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 4458016
  @summary KeyboardFocusManager.get[Property|Vetoable]ChangeListeners throw NPE
  @key headful
  @run main PropertySupportNPETest
*/

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.KeyboardFocusManager;

public class PropertySupportNPETest {
     public static void main(String[] args) throws Exception {
         EventQueue.invokeAndWait(() -> {
             KeyboardFocusManager kfm =
                     KeyboardFocusManager.getCurrentKeyboardFocusManager();
             kfm.getVetoableChangeListeners();
             kfm.getVetoableChangeListeners("");
             kfm.getPropertyChangeListeners();
             kfm.getPropertyChangeListeners("");
         });
     }
 }