1 /*
   2  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 import java.awt.*;
  26 
  27 /**
  28  * @test
  29  * @bug 7090424
  30  * @author Sergey Bylokhov
  31  */
  32 public final class ButtonRepaint extends Button {
  33 
  34     public static void main(final String[] args) {
  35         for (int i = 0; i < 10; ++i) {
  36             final Frame frame = new Frame();
  37             frame.setSize(300, 300);
  38             frame.setLocationRelativeTo(null);
  39             ButtonRepaint button = new ButtonRepaint();
  40             frame.add(button);
  41             frame.setVisible(true);
  42             sleep();
  43             button.test();
  44             frame.dispose();
  45         }
  46     }
  47 
  48     private static void sleep() {
  49         try {
  50             Thread.sleep(2000);
  51         } catch (InterruptedException ignored) {
  52         }
  53     }
  54 
  55     @Override
  56     public void paint(final Graphics g) {
  57         super.paint(g);
  58         if (!EventQueue.isDispatchThread()) {
  59             throw new RuntimeException("Wrong thread");
  60         }
  61         test();
  62     }
  63 
  64     void test() {
  65         setLabel("");
  66         setLabel(null);
  67         setLabel(getLabel());
  68 
  69         setFont(null);
  70         setFont(getFont());
  71 
  72         setBackground(null);
  73         setBackground(getBackground());
  74 
  75         setForeground(null);
  76         setForeground(getForeground());
  77 
  78         setEnabled(isEnabled());
  79     }
  80 }