java/perftests/src/test/java/org/apache/qpid/disttest/results/aggregation/SeriesStatisticsTest.java

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.qpid.disttest.results.aggregation;

import java.util.Arrays;
import java.util.Collection;

import org.apache.qpid.test.utils.QpidTestCase;

public class SeriesStatisticsTest extends QpidTestCase
{
    public static Collection<Long> SERIES = Arrays.asList(new Long[] { 2l, 4l, 4l, 4l, 5l, 5l, 7l, 9l, 5l });

    public void testAggregate()
    {
        SeriesStatistics results = new SeriesStatistics();
        results.addMessageLatencies(SERIES);
        results.aggregate();
        assertEquals("Unexpected average", 5.0, results.getAverage(), 0.01);
        assertEquals("Unexpected min", 2, results.getMinimum());
        assertEquals("Unexpected max", 9, results.getMaximum());
        assertEquals("Unexpected standard deviation", 2.0, results.getStandardDeviation(), 0.01);
    }

}