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Commons Math example source code file (StatisticalSummaryValuesTest.java)
The Commons Math StatisticalSummaryValuesTest.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.math.stat.descriptive; import junit.framework.TestCase; import org.apache.commons.math.TestUtils; /** * Test cases for the {@link StatisticalSummaryValues} class. * * @version $Revision: 902201 $ $Date: 2010-01-22 13:18:16 -0500 (Fri, 22 Jan 2010) $ */ public final class StatisticalSummaryValuesTest extends TestCase { public StatisticalSummaryValuesTest(String name) { super(name); } public void testSerialization() { StatisticalSummaryValues u = new StatisticalSummaryValues(1, 2, 3, 4, 5, 6); TestUtils.checkSerializedEquality(u); StatisticalSummaryValues t = (StatisticalSummaryValues) TestUtils.serializeAndRecover(u); verifyEquality(u, t); } public void testEqualsAndHashCode() { StatisticalSummaryValues u = new StatisticalSummaryValues(1, 2, 3, 4, 5, 6); StatisticalSummaryValues t = null; assertTrue("reflexive", u.equals(u)); assertFalse("non-null compared to null", u.equals(t)); assertFalse("wrong type", u.equals(Double.valueOf(0))); t = new StatisticalSummaryValues(1, 2, 3, 4, 5, 6); assertTrue("instances with same data should be equal", t.equals(u)); assertEquals("hash code", u.hashCode(), t.hashCode()); u = new StatisticalSummaryValues(Double.NaN, 2, 3, 4, 5, 6); t = new StatisticalSummaryValues(1, Double.NaN, 3, 4, 5, 6); assertFalse("instances based on different data should be different", (u.equals(t) ||t.equals(u))); } private void verifyEquality(StatisticalSummaryValues s, StatisticalSummaryValues u) { assertEquals("N",s.getN(),u.getN()); TestUtils.assertEquals("sum",s.getSum(),u.getSum(), 0); TestUtils.assertEquals("var",s.getVariance(),u.getVariance(), 0); TestUtils.assertEquals("std",s.getStandardDeviation(),u.getStandardDeviation(), 0); TestUtils.assertEquals("mean",s.getMean(),u.getMean(), 0); TestUtils.assertEquals("min",s.getMin(),u.getMin(), 0); TestUtils.assertEquals("max",s.getMax(),u.getMax(), 0); } } Other Commons Math examples (source code examples)Here is a short list of links related to this Commons Math StatisticalSummaryValuesTest.java source code file: |
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