1 /*
   2  * Copyright (c) 2011, 2013, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javafx.scene.control.skin;
  27 
  28 import static org.junit.Assert.assertEquals;
  29 
  30 import javafx.beans.value.ObservableValue;
  31 import javafx.geometry.Orientation;
  32 import javafx.scene.control.ScrollBar;
  33 
  34 import javafx.scene.control.skin.ScrollBarSkin;
  35 import org.junit.Before;
  36 import org.junit.Test;
  37 
  38 /**
  39  */
  40 public class ScrollBarSkinTest {
  41     private ScrollBar scrollbar;
  42     private ScrollBarSkinMock skin;
  43 
  44     @Before public void setup() {
  45         scrollbar = new ScrollBar();
  46         skin = new ScrollBarSkinMock(scrollbar);
  47         scrollbar.setSkin(skin);
  48     }
  49 
  50     @Test public void onVerticalMaxWidthTracksPreferred() {        
  51         scrollbar.setOrientation(Orientation.VERTICAL);
  52         scrollbar.setPrefWidth(100);
  53         assertEquals(100, scrollbar.maxWidth(-1), 0);
  54     }
  55 
  56     @Test public void onHorizontalMaxHeightTracksPreferred() {
  57         scrollbar.setOrientation(Orientation.HORIZONTAL);
  58         scrollbar.setPrefHeight(100);
  59         assertEquals(100, scrollbar.maxHeight(-1), 0);
  60     }
  61     
  62     public static final class ScrollBarSkinMock extends ScrollBarSkin {
  63         boolean propertyChanged = false;
  64         int propertyChangeCount = 0;
  65         public ScrollBarSkinMock(ScrollBar scrollbar) {
  66             super(scrollbar);
  67         }
  68 
  69         public void addWatchedProperty(ObservableValue<?> p) {
  70             p.addListener(o -> {
  71                 propertyChanged = true;
  72                 propertyChangeCount++;
  73             });
  74         }
  75     }
  76 }