test/jdk/java/io/LineNumberReader/Read.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
child 58089 e64fec9f1773
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     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 }