1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Tags: JDK1.4
// Copyright (C) 2004 Sascha Brawer <brawer@dandelis.ch>
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve 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 for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
package gnu.testlet.java.util.logging.LogRecord;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.util.logging.Level;
import java.util.logging.LogRecord;
/**
* @author <a href="mailto:brawer@dandelis.ch">Sascha Brawer</a>
*/
public class setSequenceNumber
implements Testlet
{
public void test(TestHarness th)
{
LogRecord rec1 = new LogRecord(Level.CONFIG, "msg");
LogRecord rec2 = new LogRecord(Level.CONFIG, "msg2");
long s1, s2;
s1 = rec1.getSequenceNumber();
s2 = rec2.getSequenceNumber();
/* Check #1.
*
* It could happen that rec1 has a sequence number of
* Long.MAX_VALUE, or that rec1's sequence number is close to
* Long.MAX_VALUE and some background threads have created a few
* LogRecords between the creation of rec1 and rec2, so rec2's
* sequence number is equal to or slightly greater than
* Long.MIN_VALUE. In these cases, s2 would not be greater than
* s1, although the implementation of java.util.logging.LogRecord
* was entirely correct.
*
* While this event is extremely unlikely, it is not entirely
* impossible, so we can perform the subsequent check only if
* there was no arithmetic overflow.
*/
if ((s1 >= 0) == (s2 >= 0))
th.check(s2 > s1);
else
th.check(true);
// Check #2.
rec2.setSequenceNumber(42);
th.check(rec2.getSequenceNumber() == 42);
// Check #3.
rec2.setSequenceNumber(s2);
th.check(rec2.getSequenceNumber() == s2);
}
}
|
