/*
 * Copyright (c) 2010, 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 4626545 4696726
 * @summary Checks the inter containment relationships between NIO charsets
 * @modules jdk.charsets
 */

import java.nio.charset.*;

public class CharsetContainmentTest {
    static String[] encodings =
        { "US-ASCII", "UTF-16", "UTF-16BE", "UTF-16LE", "UTF-8",
          "windows-1252", "ISO-8859-1", "ISO-8859-2", "ISO-8859-3",
          "ISO-8859-4", "ISO-8859-5", "ISO-8859-6", "ISO-8859-7",
          "ISO-8859-8", "ISO-8859-9", "ISO-8859-13", "ISO-8859-15", "ISO-8859-16",
          "ISO-2022-JP", "ISO-2022-KR",

          // Temporarily remove ISO-2022-CN-* charsets until full encoder/decoder
          // support is added (4673614)
          // "x-ISO-2022-CN-CNS", "x-ISO-2022-CN-GB",

          "x-ISCII91", "GBK", "GB18030", "Big5",
          "x-EUC-TW", "GB2312", "EUC-KR", "x-Johab", "Big5-HKSCS",
          "x-MS950-HKSCS", "windows-1251", "windows-1253", "windows-1254",
          "windows-1255", "windows-1256", "windows-1257", "windows-1258",
          "x-mswin-936", "x-windows-949", "x-windows-950", "windows-31j",
          "Shift_JIS", "EUC-JP", "KOI8-R", "TIS-620"
        };

    static String[][] contains = {
        { "US-ASCII"},
           encodings,
           encodings,
           encodings,
           encodings,
          {"US-ASCII", "windows-1252"},
          {"US-ASCII", "ISO-8859-1"},
          {"US-ASCII", "ISO-8859-2"},
          {"US-ASCII", "ISO-8859-3"},
          {"US-ASCII", "ISO-8859-4"},
          {"US-ASCII", "ISO-8859-5"},
          {"US-ASCII", "ISO-8859-6"},
          {"US-ASCII", "ISO-8859-7"},
          {"US-ASCII", "ISO-8859-8"},
          {"US-ASCII", "ISO-8859-9"},
          {"US-ASCII", "ISO-8859-13"},
          {"US-ASCII", "ISO-8859-15"},
          {"US-ASCII", "ISO-8859-16"},
          {"ISO-2022-JP"},
          {"ISO-2022-KR"},
          // Temporarily remove ISO-2022-CN-* charsets until full encoder/decoder
          // support is added (4673614)
          //{"x-ISO-2022-CN-CNS"},
          //{"x-ISO-2022-CN-GB"},
          {"US-ASCII", "x-ISCII91"},
          {"US-ASCII", "GBK"},
          encodings,
          {"US-ASCII", "Big5"},
          {"US-ASCII", "x-EUC-TW"},
          {"US-ASCII", "GB2312"},
          {"US-ASCII", "EUC-KR"},
          {"US-ASCII", "x-Johab"},
          {"US-ASCII", "Big5-HKSCS", "Big5"},
          {"US-ASCII", "x-MS950-HKSCS", "x-windows-950"},
          {"US-ASCII", "windows-1251"},
          {"US-ASCII", "windows-1253"},
          {"US-ASCII", "windows-1254"},
          {"US-ASCII", "windows-1255"},
          {"US-ASCII", "windows-1256"},
          {"US-ASCII", "windows-1257"},
          {"US-ASCII", "windows-1258"},
          {"US-ASCII", "x-mswin-936"},
          {"US-ASCII", "x-windows-949"},
          {"US-ASCII", "x-windows-950"},
          {"US-ASCII", "windows-31j" },
          {"US-ASCII", "Shift_JIS"},
          {"US-ASCII", "EUC-JP"},
          {"US-ASCII", "KOI8-R"},
          {"US-ASCII", "TIS-620"}};


    public static void main(String[] args) throws Exception {
        for (int i = 0; i < encodings.length; i++) {
            Charset c = Charset.forName(encodings[i]);
                for (int j = 0 ; j < contains[i].length; j++) {
                    if (c.contains(Charset.forName(contains[i][j])))
                        continue;
                    else {
                        throw new Exception ("Error: charset " + encodings[i] +
                                        "doesn't contain " + contains[i][j]);
                    }
                }
        }
    }
}