/*

 * 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 4834154

   @summary Decode a file using EUC-TW, test for decode errors

 */

/*

 * Tests for decode errors in NIO EUC-TW decoder. 4734607 details

 * decoding errors which occur when the input file > 8k in size

 * and contains numerous US-ASCII range chars

 */

import java.io.*;

public class BufferUnderflowEUCTWTest {

    private static int BUFFERSIZE = 8194;

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

        int i = 0;

        byte[] b = new byte[BUFFERSIZE];

        for (; i < BUFFERSIZE - 4; i++) // pad with zeroes

            b[i] = 0;

        // Overspill a valid EUC-TW 4 byte sequence between 2

        // successive input buffers.

        b[i++] = (byte)0x8E;

        b[i++] = (byte)0xA2;

        b[i++] = (byte)0xA1;

        b[i++] = (byte)0xA6;

        ByteArrayInputStream r = new ByteArrayInputStream(b);

        try {

            InputStreamReader isr=new InputStreamReader(r, "EUC-TW");

            char[] cc = new char[BUFFERSIZE];

            int cx = isr.read(cc);

        } catch (ArrayIndexOutOfBoundsException e) {

            throw new Exception("Array Index error: bug 4834154");

        }

    }

}