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  • Committer: Bazaar Package Importer
  • Author(s): Damien Raude-Morvan
  • Date: 2010-04-05 23:33:02 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20100405233302-gpqlceked76nw28a
Tags: 2.1-1
* New upstream release.
* Bump Standards-Version to 3.8.4: no changes needed
* Bump debhelper to >= 7
* Switch to 3.0 (quilt) source format:
  - Remove B-D on quilt
  - Add d/source/format
  - Remove d/README.source

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src/test/java/org/apache/commons/math/stat/descriptive/summary/SumTest.java
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License.  You may obtain a copy of the License at
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 * 
 
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 * 
 
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 */
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package org.apache.commons.math.stat.descriptive.summary;
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import junit.framework.Test;
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import junit.framework.TestSuite;
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import org.apache.commons.math.stat.descriptive.StorelessUnivariateStatisticAbstractTest;
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import org.apache.commons.math.stat.descriptive.UnivariateStatistic;
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/**
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 * Test cases for the {@link Sum} class.
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 * @version $Revision: 762087 $ $Date: 2009-04-05 10:20:18 -0400 (Sun, 05 Apr 2009) $
 
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 * @version $Revision: 902201 $ $Date: 2010-01-22 13:18:16 -0500 (Fri, 22 Jan 2010) $
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 */
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public class SumTest extends StorelessUnivariateStatisticAbstractTest{
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    protected Sum stat;
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    /**
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     * @param name
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     */
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        super(name);
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    }
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    public static Test suite() {
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        TestSuite suite = new TestSuite(SumTest.class);
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        suite.setName("Sum Tests");
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        return suite;
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    }
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    /**
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     * {@inheritDoc}
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     */
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    @Override
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    public UnivariateStatistic getUnivariateStatistic() {
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        return new Sum();      
 
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        return new Sum();
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    }
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    /**
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    public double expectedValue() {
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        return this.sum;
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    }
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    /**Expected value for  the testArray defined in UnivariateStatisticAbstractTest */
 
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    public double expectedWeightedValue() {
 
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        return this.weightedSum;
 
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    }
 
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    public void testSpecialValues() {
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        Sum sum = new Sum();
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        assertTrue(Double.isNaN(sum.getResult()));
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        sum.increment(Double.NEGATIVE_INFINITY);
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        assertTrue(Double.isNaN(sum.getResult()));
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        sum.increment(1);
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        assertTrue(Double.isNaN(sum.getResult())); 
 
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        assertTrue(Double.isNaN(sum.getResult()));
 
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    }
 
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    public void testWeightedSum() {
 
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        Sum sum = new Sum();
 
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        assertEquals(expectedWeightedValue(), sum.evaluate(testArray, testWeightsArray, 0, testArray.length), getTolerance());
 
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        assertEquals(expectedValue(), sum.evaluate(testArray, unitWeightsArray, 0, testArray.length), getTolerance());
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    }
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}