1 /*
   2  * Copyright (c) 2000, 2017, 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 4392669
  27  * @summary Checks contract of ImageTypeSpecifier.getBitsPerBand
  28  */
  29 
  30 import java.awt.image.BufferedImage;
  31 
  32 import javax.imageio.ImageTypeSpecifier;
  33 
  34 public class ImageTypeSpecifierBitsPerBand {
  35 
  36     public static void main(String[] args) {
  37         int biType = BufferedImage.TYPE_USHORT_565_RGB;
  38         ImageTypeSpecifier type =
  39             ImageTypeSpecifier.createFromBufferedImageType(biType);
  40 
  41         int b0 = type.getBitsPerBand(0);
  42         int b1 = type.getBitsPerBand(1);
  43         int b2 = type.getBitsPerBand(2);
  44 
  45         if (b0 != 5 || b1 != 6 || b2 != 5) {
  46             throw new RuntimeException("Got incorrect bits per band value!");
  47         }
  48 
  49         boolean gotIAE = false;
  50         try {
  51             int b3 = type.getBitsPerBand(3);
  52         } catch (IllegalArgumentException e) {
  53             gotIAE = true;
  54         }
  55         if (!gotIAE) {
  56             throw new RuntimeException
  57                 ("Failed to get IllegalArgumentException for band == 3!");
  58         }
  59     }
  60 }