/*

 * Copyright (c) 2001, 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 4429227

 * @summary Ensure that OutputStreamWriter works on whole multiples

 *          of its internal buffer size

 */

import java.io.*;

public class WriteLengths {

    static PrintStream log = System.err;

    static int failures = 0;

    static ByteArrayOutputStream bos = new ByteArrayOutputStream(1 << 15);

    static void go(int len, String enc) throws Exception {

        bos.reset();

        OutputStreamWriter osw = new OutputStreamWriter(bos, enc);

        char[] cs = new char[len];

        osw.write(cs);

        osw.close();

        byte[] ba = bos.toByteArray();

        if (ba.length != len) {

            log.println("FAIL: Wrote " + len + ", got " + ba.length

                        + "; enc = " + enc);

            failures++;

        }

    }

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

        for (int i = 0; i < (1 << 15); i += 1024)

            go(i, "us-ascii");

    }

}