1 /*
   2  * Copyright (c) 1998, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25    @bug 4074875 4063511
  26    @summary Make sure LineNumberReader.read(char, int , int) will increase
  27             the linenumber correctly.
  28    */
  29 
  30 import java.io.*;
  31 
  32 public class Read {
  33 
  34     public static void main(String[] args) throws Exception {
  35         String s = "aaaa\nbbb\n";
  36         char[] buf = new char[5];
  37         int n = 0;
  38         int line = 0;
  39 
  40         LineNumberReader r = new LineNumberReader(new StringReader(s));
  41 
  42         do {
  43             n = r.read(buf, 0, buf.length);
  44         } while (n > 0);
  45 
  46         line = r.getLineNumber();
  47 
  48         if (line != 2)
  49             throw new Exception("Failed test: Expected line number: 2, got "
  50                                 + line);
  51     }
  52 }