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  * @key headful
  27  * @bug 6526631
  28  * @summary Resizes right-oriented scroll pane
  29  * @author Sergey Malenkov
  30  * @library ..
  31  */
  32 
  33 import java.awt.ComponentOrientation;
  34 import java.awt.Dimension;
  35 import javax.swing.JFrame;
  36 import javax.swing.JScrollBar;
  37 import javax.swing.JScrollPane;
  38 import javax.swing.JTextArea;
  39 import javax.swing.JViewport;
  40 
  41 public class Test6526631 {
  42 
  43     private static final int COLS = 90;
  44     private static final int ROWS = 50;
  45     private static final int OFFSET = 10;
  46 
  47     public static void main(String[] args) throws Throwable {
  48         SwingTest.start(Test6526631.class);
  49     }
  50 
  51     private final JScrollPane pane;
  52     private final JFrame frame;
  53 
  54     public Test6526631(JFrame frame) {
  55         this.pane = new JScrollPane(new JTextArea(ROWS, COLS));
  56         this.pane.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
  57         this.frame = frame;
  58         this.frame.add(this.pane);
  59     }
  60 
  61     private void update(int offset) {
  62         Dimension size = this.frame.getSize();
  63         size.width += offset;
  64         this.frame.setSize(size);
  65     }
  66 
  67     public void validateFirst() {
  68         validateThird();
  69         update(OFFSET);
  70     }
  71 
  72     public void validateSecond() {
  73         validateThird();
  74         update(-OFFSET);
  75     }
  76 
  77     public void validateThird() {
  78         JViewport viewport = this.pane.getViewport();
  79         JScrollBar scroller = this.pane.getHorizontalScrollBar();
  80         if (!scroller.getComponentOrientation().equals(ComponentOrientation.RIGHT_TO_LEFT)) {
  81             throw new Error("unexpected component orientation");
  82         }
  83         int value = scroller.getValue();
  84         if (value != 0) {
  85             throw new Error("unexpected scroll value");
  86         }
  87         int extent = viewport.getExtentSize().width;
  88         if (extent != scroller.getVisibleAmount()) {
  89             throw new Error("unexpected visible amount");
  90         }
  91         int size = viewport.getViewSize().width;
  92         if (size != scroller.getMaximum()) {
  93             throw new Error("unexpected maximum");
  94         }
  95         int pos = size - extent - value;
  96         if (pos != viewport.getViewPosition().x) {
  97             throw new Error("unexpected position");
  98         }
  99     }
 100 }