test/jdk/javax/imageio/GetReaderWriterInfo.java
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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parent 45351 jdk/test/javax/imageio/GetReaderWriterInfo.java@f7f615a3aaff
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 4703112
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 * @summary Verifies that ImageIO.getReaderFileSuffixes() and similar methods
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 *          return appropriate values
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 */
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import java.util.Iterator;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.ImageWriter;
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public class GetReaderWriterInfo {
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    private static void testGetReaderFormatNames() {
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        String[] names = ImageIO.getReaderFormatNames();
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        for (String n : names) {
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            Iterator<ImageReader> it = ImageIO.getImageReadersByFormatName(n);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getReaderFormatNames returned " +
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                                           "an unknown name: " + n);
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            }
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        }
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    }
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    private static void testGetReaderMIMETypes() {
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        String[] types = ImageIO.getReaderMIMETypes();
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        for (String t : types) {
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            Iterator<ImageReader> it = ImageIO.getImageReadersByMIMEType(t);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getReaderMIMETypes returned " +
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                                           "an unknown type: " + t);
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            }
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        }
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    }
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    private static void testGetReaderFileSuffixes() {
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        String[] suffixes = ImageIO.getReaderFileSuffixes();
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        for (String s : suffixes) {
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            Iterator<ImageReader> it = ImageIO.getImageReadersBySuffix(s);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getReaderFileSuffixes returned " +
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                                           "an unknown suffix: " + s);
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            }
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        }
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    }
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    private static void testGetWriterFormatNames() {
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        String[] names = ImageIO.getWriterFormatNames();
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        for (String n : names) {
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            Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName(n);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getWriterFormatNames returned " +
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                                           "an unknown name: " + n);
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            }
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        }
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    }
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    private static void testGetWriterMIMETypes() {
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        String[] types = ImageIO.getWriterMIMETypes();
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        for (String t : types) {
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            Iterator<ImageWriter> it = ImageIO.getImageWritersByMIMEType(t);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getWriterMIMETypes returned " +
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                                           "an unknown type: " + t);
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            }
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        }
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    }
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    private static void testGetWriterFileSuffixes() {
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        String[] suffixes = ImageIO.getWriterFileSuffixes();
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        for (String s : suffixes) {
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            Iterator<ImageWriter> it = ImageIO.getImageWritersBySuffix(s);
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            if (!it.hasNext()) {
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                throw new RuntimeException("getWriterFileSuffixes returned " +
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                                           "an unknown suffix: " + s);
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            }
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        }
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    }
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    public static void main(String[] args) {
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        testGetReaderFormatNames();
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        testGetReaderMIMETypes();
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        testGetReaderFileSuffixes();
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        testGetWriterFormatNames();
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        testGetWriterMIMETypes();
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        testGetWriterFileSuffixes();
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    }
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}