1 /*
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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
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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
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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
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22  */
23 
24 /* @test
25  * @bug 4091789 4173233
26  * @summary Check if LineNumberReader will skip right number of characters and
27  *          also check for negative values
28  */
29 
30 import java.io.*;
31 
32 public class Skip {
33 
main(String[] args)34     public static void main(String[] args) throws Exception {
35 
36         int linenum = 0;
37         long nchars = 164 * 50;
38 
39         File f = new File(System.getProperty("test.src", "."),
40             "SkipInput.txt");
41         LineNumberReader reader = new LineNumberReader(new FileReader(f));
42 
43         boolean testFailed = false;
44         try {
45             reader.skip(-10);
46             testFailed = true;
47         } catch (IllegalArgumentException e) {
48         }
49         catch (Exception e) {
50             testFailed = true;
51         }
52         if (testFailed)
53             throw new Exception("Failed test: Negative value for skip()");
54 
55         long realnum = reader.skip(nchars);
56         linenum = reader.getLineNumber();
57 
58         if (linenum != 164) {
59             throw new Exception("Failed test: Should skip 164, really skipped "
60                                 + linenum + "lines");
61         }
62     }
63 }
64