1 /*
   2  * Copyright (c) 2011, 2013, 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  @test
  26  @summary <rdar://problem/3132190> Painting: We paint twice on startup
  27  @summary com.apple.junit.java.awt.Event;
  28  @run main TestDoublePaint
  29  */
  30 import junit.framework.*;
  31 import javax.swing.*;
  32 import java.awt.*;
  33 import sun.awt.SunToolkit;
  34 
  35 public class TestDoublePaint extends TestCase {
  36 
  37     JFrame f = null;
  38     int numberOfRepaints = 0;
  39 
  40     protected void setUp() {
  41         try {
  42             SwingUtilities.invokeAndWait(new Runnable() {
  43                 @Override
  44                 public void run() {
  45                     f = new JFrame("Double Paint Tester");
  46                     f.setSize(600, 300);
  47                     TestPanel p = new TestPanel();
  48                     JPanel root = new JPanel();
  49                     root.setLayout(new BorderLayout());
  50                     root.add(BorderLayout.CENTER, p);
  51                     f.setContentPane(root);
  52                     f.setVisible(true);
  53                 }
  54             });
  55         } catch (Exception ex) {
  56             throw new RuntimeException(ex);
  57         }
  58     }
  59 
  60     protected void tearDown() {
  61         f.dispose();
  62     }
  63 
  64     public static Test suite() {
  65         return new TestSuite(TestDoublePaint.class);
  66     }
  67 
  68     public void testDoubleRepaint() throws Exception {
  69         ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
  70         assertTrue("There are 2 or more repaints on start-up", numberOfRepaints == 1);
  71     }
  72 
  73     class TestPanel extends JComponent {
  74 
  75         public void paint(Graphics g) {
  76             numberOfRepaints++;
  77         }
  78     }
  79 
  80     public static void main(String[] args) throws RuntimeException {
  81         TestResult tr = junit.textui.TestRunner.run(suite());
  82         if ((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
  83             throw new RuntimeException("### Unexpected errors or failures.");
  84         }
  85     }
  86 }