1 | /* |
2 | * Copyright (c) 2001-2009, 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 | public class TestNullMeasurement extends TestCase implements MeasurementVisitor { |
38 | private NullMeasurement measurement; |
39 | private Measurement visited; |
40 | |
41 | protected void setUp() { |
42 | measurement = new NullMeasurement(); |
43 | } |
44 | |
45 | public void testMeasurementDescriptor() { |
46 | assertNull(measurement.getDescriptor()); |
47 | assertNull(measurement.getShortName()); |
48 | assertNull(measurement.getLongName()); |
49 | } |
50 | |
51 | public void testAdd() { |
52 | measurement.add(null); |
53 | measurement.add(new Object()); |
54 | measurement.add(measurement); |
55 | } |
56 | |
57 | public void testEmpty() { |
58 | assertTrue("Before Add()", measurement.isEmpty()); |
59 | |
60 | measurement.add(new Object()); |
61 | |
62 | assertTrue("After Add()", measurement.isEmpty()); |
63 | } |
64 | |
65 | public void testAccept() { |
66 | visited = null; |
67 | measurement.accept(this); |
68 | assertNull(visited); |
69 | } |
70 | |
71 | public void visitStatisticalMeasurement(StatisticalMeasurement measurement) { |
72 | visited = measurement; |
73 | } |
74 | |
75 | public void visitRatioMeasurement(RatioMeasurement measurement) { |
76 | visited = measurement; |
77 | } |
78 | |
79 | public void visitNbSubMetricsMeasurement(NbSubMetricsMeasurement measurement) { |
80 | visited = measurement; |
81 | } |
82 | |
83 | public void visitCounterMeasurement(CounterMeasurement measurement) { |
84 | visited = measurement; |
85 | } |
86 | |
87 | public void visitContextAccumulatorMeasurement(ContextAccumulatorMeasurement measurement) { |
88 | // Do nothing |
89 | } |
90 | |
91 | public void visitNameListMeasurement(NameListMeasurement measurement) { |
92 | // Do nothing |
93 | } |
94 | |
95 | public void visitSubMetricsAccumulatorMeasurement(SubMetricsAccumulatorMeasurement measurement) { |
96 | // Do nothing |
97 | } |
98 | |
99 | public void visitSumMeasurement(SumMeasurement measurement) { |
100 | visited = measurement; |
101 | } |
102 | } |