1 /*

     2  * Copyright (c) 2006, 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 4703112

    27  * @summary Verifies that ImageIO.getReaderFileSuffixes() and similar methods

    28  *          return appropriate values

    29  */

    30 

    31 import java.util.Iterator;

    32 

    33 import javax.imageio.ImageIO;

    34 import javax.imageio.ImageReader;

    35 import javax.imageio.ImageWriter;

    36 

    37 public class GetReaderWriterInfo {

    38 

    39     private static void testGetReaderFormatNames() {

    40         String[] names = ImageIO.getReaderFormatNames();

    41         for (String n : names) {

    42             Iterator<ImageReader> it = ImageIO.getImageReadersByFormatName(n);

    43             if (!it.hasNext()) {

    44                 throw new RuntimeException("getReaderFormatNames returned " +

    45                                            "an unknown name: " + n);

    46             }

    47         }

    48     }

    49 

    50     private static void testGetReaderMIMETypes() {

    51         String[] types = ImageIO.getReaderMIMETypes();

    52         for (String t : types) {

    53             Iterator<ImageReader> it = ImageIO.getImageReadersByMIMEType(t);

    54             if (!it.hasNext()) {

    55                 throw new RuntimeException("getReaderMIMETypes returned " +

    56                                            "an unknown type: " + t);

    57             }

    58         }

    59     }

    60 

    61     private static void testGetReaderFileSuffixes() {

    62         String[] suffixes = ImageIO.getReaderFileSuffixes();

    63         for (String s : suffixes) {

    64             Iterator<ImageReader> it = ImageIO.getImageReadersBySuffix(s);

    65             if (!it.hasNext()) {

    66                 throw new RuntimeException("getReaderFileSuffixes returned " +

    67                                            "an unknown suffix: " + s);

    68             }

    69         }

    70     }

    71 

    72     private static void testGetWriterFormatNames() {

    73         String[] names = ImageIO.getWriterFormatNames();

    74         for (String n : names) {

    75             Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName(n);

    76             if (!it.hasNext()) {

    77                 throw new RuntimeException("getWriterFormatNames returned " +

    78                                            "an unknown name: " + n);

    79             }

    80         }

    81     }

    82 

    83     private static void testGetWriterMIMETypes() {

    84         String[] types = ImageIO.getWriterMIMETypes();

    85         for (String t : types) {

    86             Iterator<ImageWriter> it = ImageIO.getImageWritersByMIMEType(t);

    87             if (!it.hasNext()) {

    88                 throw new RuntimeException("getWriterMIMETypes returned " +

    89                                            "an unknown type: " + t);

    90             }

    91         }

    92     }

    93 

    94     private static void testGetWriterFileSuffixes() {

    95         String[] suffixes = ImageIO.getWriterFileSuffixes();

    96         for (String s : suffixes) {

    97             Iterator<ImageWriter> it = ImageIO.getImageWritersBySuffix(s);

    98             if (!it.hasNext()) {

    99                 throw new RuntimeException("getWriterFileSuffixes returned " +

   100                                            "an unknown suffix: " + s);

   101             }

   102         }

   103     }

   104 

   105     public static void main(String[] args) {

   106         testGetReaderFormatNames();

   107         testGetReaderMIMETypes();

   108         testGetReaderFileSuffixes();

   109         testGetWriterFormatNames();

   110         testGetWriterMIMETypes();

   111         testGetWriterFileSuffixes();

   112     }

   113 }