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Java > Open Source Codes > com > jeantessier > metrics > TestStatisticalMeasurementEmpty


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 package com.jeantessier.metrics;
34
35 import junit.framework.*;
36
37 import org.apache.log4j.*;
38
39 public class TestStatisticalMeasurementEmpty extends TestCase {
40     private StatisticalMeasurement measurement;
41     private Metrics metrics;
42
43     protected void setUp() throws Exception JavaDoc {
44         Logger.getLogger(getClass()).info("Starting test: " + getName());
45
46         metrics = new Metrics("foo");
47         measurement = new StatisticalMeasurement(null, metrics, "bar");
48     }
49     
50     protected void tearDown() throws Exception JavaDoc {
51         Logger.getLogger(getClass()).info("End of " + getName());
52     }
53
54     public void testDirect() {
55         Metrics m = new Metrics("m");
56         m.track("bar", new CounterMeasurement(null, null, null));
57         metrics.addSubMetrics(m);
58
59         assertTrue("Before AddToMeasurement()", measurement.isEmpty());
60         
61         m.addToMeasurement("bar", 1);
62
63         assertFalse("After AddToMeasurement()", !measurement.isEmpty());
64     }
65
66     public void testIndirect() {
67         Metrics m = new Metrics("m");
68         metrics.addSubMetrics(m);
69
70         Metrics sm = new Metrics("sm");
71         sm.track("bar", new CounterMeasurement(null, null, null));
72         m.addSubMetrics(sm);
73
74         assertTrue("Before AddToMeasurement()", measurement.isEmpty());
75         
76         sm.addToMeasurement("bar", 1);
77
78         assertFalse("After AddToMeasurement()", !measurement.isEmpty());
79     }
80
81     public void testViaStatisticalMeasurement() {
82         Metrics m = new Metrics("m");
83         m.track("bar", new StatisticalMeasurement(null, m, "bar"));
84         metrics.addSubMetrics(m);
85
86         Metrics sm = new Metrics("sm");
87         sm.track("bar", new CounterMeasurement(null, null, null));
88         m.addSubMetrics(sm);
89
90         assertTrue("Before AddToMeasurement()", measurement.isEmpty());
91         
92         sm.addToMeasurement("bar", 1);
93
94         assertFalse("After AddToMeasurement()", !measurement.isEmpty());
95     }
96 }
97
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