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