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
|
/*
* Bitronix Transaction Manager
*
* Copyright (c) 2010, Bitronix Software.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package bitronix.tm.utils;
import junit.framework.TestCase;
/**
*
* @author lorban
*/
public class EncoderTest extends TestCase {
public void testLongEncodingDecoding() {
byte[] longAsBytes;
long result;
longAsBytes = Encoder.longToBytes(Long.MAX_VALUE);
result = Encoder.bytesToLong(longAsBytes, 0);
assertEquals(Long.MAX_VALUE, result);
longAsBytes = Encoder.longToBytes(Long.MIN_VALUE);
result = Encoder.bytesToLong(longAsBytes, 0);
assertEquals(Long.MIN_VALUE, result);
longAsBytes = Encoder.longToBytes(-1L);
result = Encoder.bytesToLong(longAsBytes, 0);
assertEquals(-1L, result);
long timestamp = System.currentTimeMillis();
longAsBytes = Encoder.longToBytes(timestamp);
result = Encoder.bytesToLong(longAsBytes, 0);
assertEquals(timestamp, result);
byte[] intAsBytes = Encoder.intToBytes(-1);
int resultAsInt = Encoder.bytesToInt(intAsBytes, 0);
assertEquals(-1, resultAsInt);
try {
Encoder.bytesToLong(new byte[4], 0);
fail("expected IllegalArgumentException");
} catch (IllegalArgumentException ex) {
assertEquals("a long can only be decoded from 8 bytes of an array (got a 4 byte(s) array, must start at position 0)", ex.getMessage());
}
}
}
|
