/*

 * 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 4094987

   @summary Verify that malformed expression exceptions are thrown

       but no internal errors in certain pathologial cases.

 */

import java.io.*;

import java.nio.charset.*;

public class ConvertSingle {

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

        // This conversion is pathologically bad - it is attempting to

        // read unicode from an ascii encoded string.

        // The orignal bug: A internal error in ISR results if the

        // byte counter in ByteToCharUnicode

        // is not advanced as the input is consumed.

        try{

            String s = "\n";

            byte ss[] = null;

            String sstring = "x";

            ss = s.getBytes();

            ByteArrayInputStream BAIS = new ByteArrayInputStream(ss);

            InputStreamReader ISR = new InputStreamReader(BAIS, "Unicode");

            BufferedReader BR = new BufferedReader(ISR);

            sstring = BR.readLine();

            BR.close();

            System.out.println(sstring);

        } catch (MalformedInputException e){

            // Right error

            return;

        } catch (java.lang.InternalError e) {

            throw new Exception("ByteToCharUnicode is failing incorrectly for "

                                + " single byte input");

        }

    }

}