CompressionVals.java

/*
 * Copyright (c) 2005, 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 4972087
 * @summary Verifies that JPEGImageWriteParam.getCompressionQualityValues()
 *          returns an array that is one longer than the one returned by
 *          getCompressionQualityDescriptions()
 */

import javax.imageio.ImageWriteParam;
import javax.imageio.plugins.jpeg.JPEGImageWriteParam;

public class CompressionVals {

    public static void main(String[] args) {
        ImageWriteParam iwp = new JPEGImageWriteParam(null);
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        float[] vals = iwp.getCompressionQualityValues();
        String[] descs = iwp.getCompressionQualityDescriptions();
        if (vals.length != (descs.length + 1)) {
            throw new RuntimeException("Test failed: Values array is not " +
                                       "one larger than descriptions array");
        }
    }
}