1 /*
   2  * Copyright (c) 2009, 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.
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  23 
  24  /*
  25  * @test
  26  * @key headful
  27  * @summary Checks that JLayer inside JViewport works is correctly laid out
  28  * @author Alexander Potochkin
  29  * @run main bug6824395
  30  */
  31 
  32 
  33 import sun.awt.SunToolkit;
  34 
  35 import javax.swing.*;
  36 import javax.swing.plaf.LayerUI;
  37 import java.awt.*;
  38 
  39 public class bug6824395 {
  40 
  41     static JScrollPane scrollPane;
  42 
  43     public static void main(String[] args) throws Exception {
  44         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  45         SwingUtilities.invokeAndWait(new Runnable() {
  46             public void run() {
  47                 JFrame frame = new JFrame("testing");
  48                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  49 
  50                 JEditorPane editorPane = new JEditorPane();
  51                 String str = "hello\n";
  52                 for(int i = 0; i<5; i++) {
  53                     str += str;
  54                 }
  55 
  56                 editorPane.setText(str);
  57 
  58                 JLayer<JEditorPane> editorPaneLayer = new JLayer<JEditorPane>(editorPane);
  59                 LayerUI<JComponent> layerUI = new LayerUI<JComponent>();
  60                 editorPaneLayer.setUI(layerUI);
  61 
  62                 scrollPane = new JScrollPane(editorPaneLayer);
  63 
  64                 scrollPane.setPreferredSize(new Dimension(200, 250));
  65                 frame.add(scrollPane);
  66 
  67                 frame.setSize(200, 200);
  68                 frame.pack();
  69                 frame.setVisible(true);
  70             }
  71         });
  72         toolkit.realSync();
  73         SwingUtilities.invokeAndWait(new Runnable() {
  74             public void run() {
  75                 if (scrollPane.getViewportBorderBounds().width != scrollPane.getViewport().getView().getWidth()) {
  76                     throw new RuntimeException("Wrong component's width!");
  77                 }
  78             }
  79         });
  80     }
  81 }