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Java > Open Source Codes > org > apache > commons > math > stat > descriptive > moment > FirstMomentTest


1 /*
2  * Copyright 2003-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.math.stat.descriptive.moment;
17
18 import org.apache.commons.math.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
19 import org.apache.commons.math.stat.descriptive.UnivariateStatistic;
20
21 /**
22  * Test cases for the {@link FirstMoment} class.
23  * @version $Revision$ $Date: 2005-02-26 05:11:52 -0800 (Sat, 26 Feb 2005) $
24  */
25 public class FirstMomentTest extends StorelessUnivariateStatisticAbstractTest{
26
27     /** descriptive statistic. */
28     protected FirstMoment stat;
29     
30     /**
31      * @param name
32      */
33     public FirstMomentTest(String JavaDoc name) {
34         super(name);
35     }
36     
37     /**
38      * @see org.apache.commons.math.stat.descriptive.UnivariateStatisticAbstractTest#getUnivariateStatistic()
39      */
40     public UnivariateStatistic getUnivariateStatistic() {
41         return new FirstMoment();
42     }
43
44     /**
45      * @see org.apache.commons.math.stat.descriptive.UnivariateStatisticAbstractTest#expectedValue()
46      */
47     public double expectedValue() {
48         return this.mean;
49     }
50
51 }
52
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