1 /*

     2  * Copyright 1997 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /* @test

    25    @summary Test interaction of buffer sizes in buffered char and byte streams

    26  */

    27 

    28 import java.io.*;

    29 

    30 public class BufferSizes {

    31 

    32     static int min = 90;

    33     static int max = 110;

    34     static int chunk = 100;

    35     static int count = 1000;

    36 

    37     static void runBytes() throws IOException {

    38         for (int sz = min; sz <= max; sz++) {

    39             System.err.println(sz);

    40             InputStream in

    41                 = new BufferedInputStream(new ABCInputStream(count, chunk), sz);

    42             OutputStream out

    43                 = new BufferedOutputStream(new ABCOutputStream(count), sz);

    44             int n;

    45             byte[] buf = new byte[sz];

    46             while ((n = in.read(buf, 0, sz)) != -1)

    47                 out.write(buf, 0, n);

    48             in.close();

    49             out.close();

    50         }

    51     }

    52 

    53 

    54     static void runChars() throws IOException {

    55         for (int sz = min; sz <= max; sz++) {

    56             System.err.println(sz);

    57             Reader in

    58                 = new BufferedReader(new InputStreamReader(new ABCInputStream(count, chunk)), sz);

    59             Writer out

    60                 = new BufferedWriter(new OutputStreamWriter(new ABCOutputStream(count)), sz);

    61             int n;

    62             char[] cbuf = new char[sz];

    63 

    64             while ((n = in.read(cbuf, 0, sz)) != -1)

    65                 out.write(cbuf, 0, n);

    66             in.close();

    67             out.close();

    68         }

    69     }

    70 

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

    72         runBytes();

    73         runChars();

    74     }

    75 

    76 }