    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: 1.1 $ $Date: 2004/10/08 05:08:20 $
    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 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  }