1 /*
   2  * Copyright (c) 2014, 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 test.com.sun.javafx.tk.quantum;
  27 
  28 import com.sun.javafx.tk.quantum.WindowStageShim;
  29 import com.sun.prism.Image;
  30 import java.util.ArrayList;
  31 import java.util.List;
  32 import org.junit.Assert;
  33 import org.junit.Test;
  34 
  35 public class WindowStageTest {
  36 
  37     private void addImage(List<Object> images, int size) {
  38         byte[] pixels = new byte[size * size * 3];
  39         Image image = Image.fromByteRgbData(pixels, size, size);
  40         images.add(image);
  41     }
  42 
  43     @Test
  44     public void bestIconSizeTest() {
  45         List<Object> images = new ArrayList();
  46         addImage(images, 16);
  47         addImage(images, 32);
  48         addImage(images, 48);
  49 
  50         // sanity check
  51         Image image = WindowStageShim.findBestImage(images, 16, 16);
  52         Assert.assertEquals(16, image.getWidth());
  53         image = WindowStageShim.findBestImage(images, 48, 48);
  54         Assert.assertEquals(48, image.getWidth());
  55         
  56         //RT-39045
  57         image = WindowStageShim.findBestImage(images, 32, 32);
  58         Assert.assertEquals(32, image.getWidth());
  59 
  60         // scaling up 32 pixels by 4 is better than 48 by 2+2/3
  61         image = WindowStageShim.findBestImage(images, 128, 128);
  62         Assert.assertEquals(32, image.getWidth());
  63     }
  64 }