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.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6539700

    27  * @summary test that the long space-less lines are correctly soft-wrapped

    28  * @author Sergey Groznyh

    29  * @run main bug6539700

    30  */

    31 

    32 import javax.swing.JEditorPane;

    33 import javax.swing.JFrame;

    34 import javax.swing.SwingUtilities;

    35 import javax.swing.text.ParagraphView;

    36 import javax.swing.text.View;

    37 

    38 public class bug6539700 {

    39     static JFrame f;

    40     static JEditorPane ep;

    41     static String text = "AAAAAAAA<b>AAAAAA</b>AAAAAAAA<b>AAAAAAAAA</b>" +

    42                          "AA<b>AAA</b>AAAAAAAAA";

    43     static int size = 100;

    44     static Class rowClass = null;

    45 

    46     static void createContentPane() {

    47         ep = new JEditorPane();

    48         ep.setContentType("text/html");

    49         ep.setEditable(false);

    50         ep.setText(text);

    51         f = new JFrame();

    52         f.setSize(size, 2 * size);

    53         f.add(ep);

    54         f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    55         f.setVisible(true);

    56     }

    57 

    58     static void checkRows(View v, boolean last) {

    59         int width = (int) v.getPreferredSpan(View.X_AXIS);

    60 

    61         if (v.getClass() == rowClass) {

    62             // Row width shouldn't exceed the container width

    63             if (width > size) {

    64                 throw new RuntimeException("too long row: " + width);

    65             }

    66 

    67             // Row shouldn't be too short (except for the last one)

    68             if (!last) {

    69                 if (width < size * 2 / 3) {

    70                     throw new RuntimeException("too short row: " + width);

    71                 }

    72             }

    73         }

    74 

    75         int n = v.getViewCount();

    76         if (n > 0) {

    77             for (int i = 0; i < n; i++) {

    78                 View c = v.getView(i);

    79                 checkRows(c, i == n - 1);

    80             }

    81         }

    82     }

    83 

    84     public static void main(String[] argv) {

    85         try {

    86             SwingUtilities.invokeAndWait(new Runnable() {

    87                 public void run() {

    88                     createContentPane();

    89                 }

    90             });

    91         } catch (Exception ex) {

    92             throw new RuntimeException(ex);

    93         }

    94 

    95         Class[] pvchildren = ParagraphView.class.getDeclaredClasses();

    96         for (Class c : pvchildren) {

    97             if (c.getName().equals("javax.swing.text.ParagraphView$Row")) {

    98                 rowClass = c;

    99                 break;

   100             }

   101         }

   102         if (rowClass == null) {

   103             throw new RuntimeException("can't find ParagraphView.Row class");

   104         }

   105 

   106         SwingUtilities.invokeLater(new Runnable() {

   107             public void run() {

   108                 checkRows(ep.getUI().getRootView(ep), true);

   109             }

   110         });

   111 

   112         System.out.println("OK");

   113     }

   114 }