/*

 * Copyright (c) 1998, 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 4054043

 * @summary Test bufferedinputstream when stream is interrupted

 *

 */

import java.io.*;

/**

 * This class tests to see if bufferinputstream updates count

 * when the stream is interrupted and restarted

 * It was adapted from a test class provided in the bug report

 *

 */

public class CountUpdate {

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

        BufferBreaker breaker = new BufferBreaker();

        BufferedInputStream in = new BufferedInputStream(breaker, 1000);

        byte b[] = new byte[100];

        int total = 0;

        for (int i=0; i<5; i++) {

            if (i>0) breaker.breakIt = true;

            try {

                int n = in.read(b);

                total += n;

                //System.out.print("read "+n+" bytes: [");

                //System.out.write(b, 0, n);

                //System.out.println("]");

            }

            catch (IOException e) {

                //System.out.println(e);

            }

        }

        if (total>7)

            throw new RuntimeException(

                            "BufferedInputStream did not reset count.");

    }

}

class BufferBreaker extends InputStream {

    public boolean breakIt = false;

    public int read() {

        return 'x';

    }

    public static final byte[] buffer = {(byte)'a',

                                         (byte)'b',

                                         (byte)'c',

                                         (byte)'d',

                                         (byte)'e',

                                         (byte)'f',

                                         (byte)'g'};

    public int read(byte b[]) throws IOException {

        return read(b, 0, b.length);

    }

    public int read(byte b[], int off, int len) throws IOException {

        if (breakIt) throw new IOException("BREAK");

        if (len > buffer.length) len = buffer.length;

        System.arraycopy(buffer, 0, b, off, len);

        return len;

    }

    public long skip(long n) {

        return 0;

    }

    public int available() {

        return 0;

    }

}