1 /*
2  * Copyright (c) 2001, 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  * @summary Unit test for RandomAccessFile open-sync modes
26  */
27 
28 import java.io.*;
29 
30 
31 public class OpenSync {
32 
33     static PrintStream log = System.err;
34 
main(String[] args)35     public static void main(String[] args) throws Exception {
36 
37         File blah = File.createTempFile("OpenSync", null);
38         blah.deleteOnExit();
39 
40         String[] badModes = { "d", "s", "rd", "rs", "rwx", "foo" };
41         for (int i = 0; i < badModes.length; i++) {
42             String mode = badModes[i];
43             try {
44                 new RandomAccessFile(blah, mode);
45             } catch (IllegalArgumentException x) {
46                 log.println("Mode \"" + mode +"\": Thrown as expected: "
47                             + x.getClass().getName());
48                 log.println("  " + x.getMessage());
49                 continue;
50             }
51             throw new Exception("Exception not thrown for illegal mode "
52                                 + mode);
53         }
54 
55         new RandomAccessFile(blah, "rw").close();
56         new RandomAccessFile(blah, "r").close();
57 
58         String hi = "Hello, world!";
59         RandomAccessFile raf = new RandomAccessFile(blah, "rws");
60         raf.writeUTF(hi);
61         raf.close();
62 
63         raf = new RandomAccessFile(blah, "rwd");
64         if (!raf.readUTF().equals(hi))
65             throw new Exception("File content mismatch");
66         raf.close();
67 
68     }
69 
70 }
71