/*

 * Copyright (c) 2008, 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 4216191 4721369 4807283

   @summary Test to validate case insensitivity of encoding alias names

 */

// Fixed since 1.4.0 by virtue of NIO charset lookup mechanism

// which is by design case insensitive

import java.lang.*;

import java.io.*;

public class CheckCaseInsensitiveEncAliases

{

  public static void main(String args[]) throws Exception

  {

    // Try various encoding names in mixed cases

    // Tests subset of encoding names provided within bugID 4216191

    // Various forms of US-ASCII

    tryToEncode( "ANSI_X3.4-1968" );

    tryToEncode( "iso-ir-6" );

    tryToEncode( "ANSI_X3.4-1986" );

    tryToEncode( "ISO_646.irv:1991" );

    tryToEncode( "ASCII" );

    tryToEncode( "ascii" );

    tryToEncode( "Ascii" );

    tryToEncode( "Ascii7" );

    tryToEncode( "ascii7" );

    tryToEncode( "ISO646-US" );

    tryToEncode( "US-ASCII" );

    tryToEncode( "us-ascii" );

    tryToEncode( "US-Ascii" );

    tryToEncode( "us" );

    tryToEncode( "IBM367" );

    tryToEncode( "cp367" );

    tryToEncode( "csASCII" );

    // Variants on Unicode

    tryToEncode( "Unicode" );

    tryToEncode( "UNICODE" );

    tryToEncode( "unicode" );

    // Variants on Big5

    tryToEncode( "Big5" );

    tryToEncode( "big5" );

    tryToEncode( "bIg5" );

    tryToEncode( "biG5" );

    tryToEncode( "bIG5" );

    // Variants of Cp1252

    tryToEncode( "Cp1252" );

    tryToEncode( "cp1252" );

    tryToEncode( "CP1252" );

    // Variants of PCK

    tryToEncode( "pck" );

    tryToEncode( "Pck" );

  }

  public static final String ENCODE_STRING = "Encode me";

  public static void tryToEncode( String encoding) throws Exception

  {

    try

    {

      byte[] bytes = ENCODE_STRING.getBytes( encoding );

      System.out.println( "Encoding \"" + encoding + "\" recognized" );

    }

    catch( UnsupportedEncodingException e )

    {

      throw new Exception("Encoding \"" + encoding + "\" NOT recognized");

    }

  }

}