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
74
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.juli;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
/*
* This is an absolute performance test. There is no benefit it running it as part of a standard test run so it is
* excluded due to the name starting Tester...
*/
@RunWith(Parameterized.class)
public class TesterOneLineFormatterMillisPerformance {
@Parameterized.Parameters(name = "{index}: format[{0}]")
public static Collection<Object[]> parameters() {
List<Object[]> parameterSets = new ArrayList<>();
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.SSS" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.SS" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.S" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss XXX" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.SSSXXX" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.SSXXX" });
parameterSets.add(new String[] { "dd-MMM-yyyy HH:mm:ss.SXXX" });
parameterSets.add(new String[] { "SSS dd-MMM-yyyy HH:mm:ss" });
parameterSets.add(new String[] { "SS dd-MMM-yyyy HH:mm:ss" });
parameterSets.add(new String[] { "S dd-MMM-yyyy HH:mm:ss" });
return parameterSets;
}
@Parameter(0)
public String timestampFormat;
@Test
public void testMillisHandling() {
OneLineFormatter olf = new OneLineFormatter();
olf.setTimeFormat(timestampFormat);
long timeStamp = System.currentTimeMillis();
StringBuilder buf = new StringBuilder(64);
long start = System.nanoTime();
for (int i = 0; i < 10000000; i++) {
buf.setLength(0);
olf.addTimestamp(buf, timeStamp);
}
System.out.println("Format: [" + timestampFormat + "], Output: [" + buf + "], Duration: [" + (System.nanoTime() - start) + "] ns");
}
}
|
