77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
/*
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* Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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@summary Check that BufferedReader/Writer correctly handle small reads
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*/
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import java.io.*;
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public class SmallReads {
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static class OneByteInputStream extends FilterInputStream {
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OneByteInputStream(InputStream in) {
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super(in);
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}
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public int read(byte[] b, int off, int len) throws IOException {
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return in.read(b, off, 1);
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}
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}
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static String enc = "UTF8";
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static String inEnc;
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static String outEnc;
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static int count = 100;
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public static void main(String[] args) throws Exception {
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PrintWriter log
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= new PrintWriter(new OutputStreamWriter(System.err), true);
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if (inEnc == null)
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inEnc = enc;
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if (outEnc == null)
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outEnc = enc;
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PipedOutputStream uo = new PipedOutputStream();
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PipedInputStream ui = new PipedInputStream(uo);
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PipedOutputStream co = new PipedOutputStream();
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PipedInputStream ci = new PipedInputStream(co);
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InputStream ci2 = new OneByteInputStream(ci);
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BufferedWriter w = new BufferedWriter(new OutputStreamWriter(co, outEnc));
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BufferedReader r = new BufferedReader(new InputStreamReader(ci2, inEnc));
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Thread t1 = new Thread(new RandomLineSource(uo, w, count, log));
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Thread t2 = new Thread(new LineSink(ui, r, count, log));
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t1.start();
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t2.start();
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t1.join();
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t2.join();
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}
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}
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