| /* |
| * Copyright (c) 1997, 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 |
| @summary Stochastic test of LineNumberReader |
| */ |
| |
| import java.io.*; |
| |
| |
| public class LineNumbers { |
| |
| static String enc = "UTF8"; |
| static String inEnc; |
| static String outEnc; |
| static int limit = 500; |
| |
| public static void main(String[] args) throws Exception { |
| PrintWriter log |
| = new PrintWriter(new OutputStreamWriter(System.err), true); |
| |
| if (inEnc == null) |
| inEnc = enc; |
| if (outEnc == null) |
| outEnc = enc; |
| |
| PipedOutputStream co = new PipedOutputStream(); |
| PipedInputStream ci = new PipedInputStream(co); |
| |
| BufferedWriter w = new BufferedWriter(new OutputStreamWriter(co, outEnc)); |
| LineNumberReader r = new LineNumberReader(new InputStreamReader(ci, inEnc)); |
| |
| Thread t1 = new Thread(new RandomLineSource(w, limit)); |
| Thread t2 = new Thread(new LineNumberSink(r, limit, log)); |
| t1.start(); |
| t2.start(); |
| t1.join(); |
| t2.join(); |
| } |
| |
| } |
| |
| |
| class LineNumberSink implements Runnable { |
| |
| LineNumberReader r; |
| int limit; |
| PrintWriter log; |
| |
| LineNumberSink(LineNumberReader r, int limit, PrintWriter log) { |
| this.r = r; |
| this.limit = limit; |
| this.log = log; |
| } |
| |
| public void run() { |
| String s; |
| int n = 0; |
| |
| try { |
| while ((s = r.readLine()) != null) { |
| n++; |
| int ln = r.getLineNumber(); |
| log.println("[" + ln + "] " + s.length()); |
| log.println(s); |
| if (log.checkError()) |
| log.println("Conversion errors"); /* #### */ |
| if (n != ln) |
| throw new RuntimeException("Line number mismatch: Expected " + n + ", got " + ln); |
| } |
| if (n != limit) |
| throw new RuntimeException("Incorrect line count"); |
| } |
| catch (IOException x) { |
| throw new RuntimeException(x.toString()); |
| } |
| log.println(n + " lines read"); |
| } |
| |
| } |