1 /*
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   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
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  23 
  24  /*
  25  * @test
  26  * @summary Checks that JLayer inside JViewport works is correctly laid out
  27  * @author Alexander Potochkin
  28  * @run main bug6824395
  29  */
  30 
  31 
  32 import sun.awt.SunToolkit;
  33 
  34 import javax.swing.*;
  35 import javax.swing.plaf.LayerUI;
  36 import java.awt.*;
  37 
  38 public class bug6824395 {
  39 
  40     static JScrollPane scrollPane;
  41 
  42     public static void main(String[] args) throws Exception {
  43         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  44         SwingUtilities.invokeAndWait(new Runnable() {
  45             public void run() {
  46                 JFrame frame = new JFrame("testing");
  47                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  48 
  49                 JEditorPane editorPane = new JEditorPane();
  50                 String str = "hello\n";
  51                 for(int i = 0; i<5; i++) {
  52                     str += str;
  53                 }
  54 
  55                 editorPane.setText(str);
  56 
  57                 JLayer<JEditorPane> editorPaneLayer = new JLayer<JEditorPane>(editorPane);
  58                 LayerUI<JComponent> layerUI = new LayerUI<JComponent>();
  59                 editorPaneLayer.setUI(layerUI);
  60 
  61                 scrollPane = new JScrollPane(editorPaneLayer);
  62 
  63                 scrollPane.setPreferredSize(new Dimension(200, 250));
  64                 frame.add(scrollPane);
  65 
  66                 frame.setSize(200, 200);
  67                 frame.pack();
  68                 frame.setVisible(true);
  69             }
  70         });
  71         toolkit.realSync();
  72         SwingUtilities.invokeAndWait(new Runnable() {
  73             public void run() {
  74                 if (scrollPane.getViewportBorderBounds().width != scrollPane.getViewport().getView().getWidth()) {
  75                     throw new RuntimeException("Wrong component's width!");
  76                 }
  77             }
  78         });
  79     }
  80 }