/*

 * Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4703112

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

 *          return appropriate values

 */

import java.util.Iterator;

import javax.imageio.ImageIO;

import javax.imageio.ImageReader;

import javax.imageio.ImageWriter;

public class GetReaderWriterInfo {

    private static void testGetReaderFormatNames() {

        String[] names = ImageIO.getReaderFormatNames();

        for (String n : names) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getReaderFormatNames returned " +

                                           "an unknown name: " + n);

            }

        }

    }

    private static void testGetReaderMIMETypes() {

        String[] types = ImageIO.getReaderMIMETypes();

        for (String t : types) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getReaderMIMETypes returned " +

                                           "an unknown type: " + t);

            }

        }

    }

    private static void testGetReaderFileSuffixes() {

        String[] suffixes = ImageIO.getReaderFileSuffixes();

        for (String s : suffixes) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getReaderFileSuffixes returned " +

                                           "an unknown suffix: " + s);

            }

        }

    }

    private static void testGetWriterFormatNames() {

        String[] names = ImageIO.getWriterFormatNames();

        for (String n : names) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getWriterFormatNames returned " +

                                           "an unknown name: " + n);

            }

        }

    }

    private static void testGetWriterMIMETypes() {

        String[] types = ImageIO.getWriterMIMETypes();

        for (String t : types) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getWriterMIMETypes returned " +

                                           "an unknown type: " + t);

            }

        }

    }

    private static void testGetWriterFileSuffixes() {

        String[] suffixes = ImageIO.getWriterFileSuffixes();

        for (String s : suffixes) {

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

            if (!it.hasNext()) {

                throw new RuntimeException("getWriterFileSuffixes returned " +

                                           "an unknown suffix: " + s);

            }

        }

    }

    public static void main(String[] args) {

        testGetReaderFormatNames();

        testGetReaderMIMETypes();

        testGetReaderFileSuffixes();

        testGetWriterFormatNames();

        testGetWriterMIMETypes();

        testGetWriterFileSuffixes();

    }

}