View Javadoc

1   /**
2    * Copyright (c) 2012, University of Konstanz, Distributed Systems Group
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 are met:
7    * * Redistributions of source code must retain the above copyright
8    * notice, this list of conditions and the following disclaimer.
9    * * Redistributions in binary form must reproduce the above copyright
10   * notice, this list of conditions and the following disclaimer in the
11   * documentation and/or other materials provided with the distribution.
12   * * Neither the name of the University of Konstanz nor the
13   * names of its contributors may be used to endorse or promote products
14   * derived from this software without specific prior written permission.
15   * 
16   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19   * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
20   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26   */
27  package org.perfidix.meter;
28  
29  import static org.junit.Assert.assertEquals;
30  import static org.junit.Assert.assertTrue;
31  
32  import org.junit.Before;
33  import org.junit.Test;
34  
35  /**
36   * Testcase for TimeMeter.
37   * 
38   * @author Sebastian Graf, University of Konstanz
39   */
40  public final class TimeMeterTest {
41  
42      /**
43       * Instance for nano seconds.
44       */
45      private transient TimeMeter nano;
46  
47      /**
48       * Instance for milli seconds.
49       */
50      private transient TimeMeter milli;
51  
52      /**
53       * Instance for seconds.
54       */
55      private transient TimeMeter second;
56  
57      /**
58       * Instance for minutes.
59       */
60      private transient TimeMeter minute;
61  
62      /**
63       * Simple setUp.
64       */
65      @Before
66      public void setUp() {
67          nano = new TimeMeter(Time.NanoSeconds);
68          milli = new TimeMeter(Time.MilliSeconds);
69          second = new TimeMeter(Time.Seconds);
70          minute = new TimeMeter(Time.Minutes);
71      }
72  
73      /**
74       * Test method for {@link org.perfidix.meter.TimeMeter#getValue()}.
75       */
76      @Test
77      public void testGetValue() {
78          final double dataNano1 = nano.getValue();
79          final double dataMilli1 = milli.getValue();
80          final double dataSecond1 = second.getValue();
81          final double dataMinute1 = minute.getValue();
82  
83          final double dataNano2 = nano.getValue() - dataNano1;
84          final double dataMilli2 = milli.getValue() - dataMilli1;
85          final double dataSecond2 = second.getValue() - dataSecond1;
86          final double dataMinute2 = minute.getValue() - dataMinute1;
87  
88          assertTrue("nanovalue has to be larger than 0", dataNano2 > 0);
89          assertTrue("millivalue has to be larger than 0", dataMilli2 > 0);
90          assertTrue("secondvalue has to be larger than 0", dataSecond2 > 0);
91          assertTrue("minutevalue has to be larger than 0", dataMinute2 > 0);
92      }
93  
94      /**
95       * Test method for {@link org.perfidix.meter.TimeMeter#getUnit()}.
96       */
97      @Test
98      public void testGetUnit() {
99          assertEquals("Unit for nanos", Time.NanoSeconds.getUnit(), nano.getUnit());
100         assertEquals("Unit for millis", Time.MilliSeconds.getUnit(), milli.getUnit());
101         assertEquals("Unit for seconds", Time.Seconds.getUnit(), second.getUnit());
102         assertEquals("Unit for minutes", Time.Minutes.getUnit(), minute.getUnit());
103     }
104 
105     /**
106      * Test method for {@link org.perfidix.meter.TimeMeter#getUnitDescription()} .
107      */
108     @Test
109     public void testGetDescription() {
110         assertEquals("Description for nanos", Time.NanoSeconds.getUnitDescription(), nano
111             .getUnitDescription());
112         assertEquals("Description for millis", Time.MilliSeconds.getUnitDescription(), milli
113             .getUnitDescription());
114         assertEquals("Description for seconds", Time.Seconds.getUnitDescription(), second
115             .getUnitDescription());
116         assertEquals("Description for minutes", Time.Minutes.getUnitDescription(), minute
117             .getUnitDescription());
118 
119     }
120 
121 }