1 /*
   2  * Copyright (c) 2003, 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 4928273
  27  * @summary Verifies what IllegalStateException is thrown if image input was not
  28  *          set
  29  */
  30 
  31 import java.util.Iterator;
  32 
  33 import javax.imageio.ImageIO;
  34 import javax.imageio.ImageReader;
  35 
  36 public class GetImageTypesTest {
  37 
  38     private static final String format = "wbmp";
  39 
  40     public static void main(String[] args) {
  41 
  42         boolean passed = false;
  43         ImageReader ir = (ImageReader)ImageIO.getImageReadersByFormatName(format).next();
  44 
  45         if (ir == null) {
  46             throw new RuntimeException("No matching reader found. Test Failed");
  47         }
  48 
  49         try {
  50             Iterator types = ir.getImageTypes(0);
  51         } catch (IllegalStateException e) {
  52             System.out.println("Test passed.");
  53             passed = true;
  54         } catch (Exception e) {
  55             throw new RuntimeException("Unexpected exception was thrown. "
  56                                        + "Test failed.");
  57         }
  58 
  59         if (!passed) {
  60             throw new RuntimeException("IllegalStateException is not thrown when "
  61                                        + "calling getImageTypes() without setting "
  62                                        + "the input source for the image format: "
  63                                        + format
  64                                        + ". Test failed");
  65         }
  66 
  67     }
  68 }