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added tests for the synchronized version of multivariate summary statistics 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@796004 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2009-07-20 20:52:52 +00:00
parent be3c1e1170
commit 36e2a9ee50
2 changed files with 53 additions and 9 deletions
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22
src/test/org/apache/commons/math/stat/descriptive/MultivariateSummaryStatisticsTest.java
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@ -43,8 +43,12 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
return suite;
}
protected MultivariateSummaryStatistics createMultivariateSummaryStatistics(int k, boolean isCovarianceBiasCorrected) {
return new MultivariateSummaryStatistics(k, isCovarianceBiasCorrected);
}
public void testSetterInjection() throws Exception {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(2, true);
u.setMeanImpl(new StorelessUnivariateStatistic[] {
new sumMean(), new sumMean()
});
@ -68,7 +72,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
}
public void testSetterIllegalState() throws Exception {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(2, true);
u.addValue(new double[] { 1, 2 });
u.addValue(new double[] { 3, 4 });
try {
@ -119,7 +123,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
public void testDimension() {
try {
new MultivariateSummaryStatistics(2, true).addValue(new double[3]);
createMultivariateSummaryStatistics(2, true).addValue(new double[3]);
} catch (DimensionMismatchException dme) {
// expected behavior
} catch (Exception e) {
@ -129,7 +133,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
/** test stats */
public void testStats() throws DimensionMismatchException {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(2, true);
assertEquals(0, u.getN());
u.addValue(new double[] { 1, 2 });
u.addValue(new double[] { 2, 3 });
@ -161,7 +165,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
}
public void testN0andN1Conditions() throws Exception {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(1, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(1, true);
assertTrue(Double.isNaN(u.getMean()[0]));
assertTrue(Double.isNaN(u.getStandardDeviation()[0]));
@ -178,7 +182,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
}
public void testNaNContracts() throws DimensionMismatchException {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(1, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(1, true);
assertTrue(Double.isNaN(u.getMean()[0]));
assertTrue(Double.isNaN(u.getMin()[0]));
assertTrue(Double.isNaN(u.getStandardDeviation()[0]));
@ -193,7 +197,7 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
}
public void testSerialization() throws DimensionMismatchException {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(2, true);
// Empty test
TestUtils.checkSerializedEquality(u);
MultivariateSummaryStatistics s = (MultivariateSummaryStatistics) TestUtils.serializeAndRecover(u);
@ -214,13 +218,13 @@ public class MultivariateSummaryStatisticsTest extends TestCase {
}
public void testEqualsAndHashCode() throws DimensionMismatchException {
MultivariateSummaryStatistics u = new MultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics u = createMultivariateSummaryStatistics(2, true);
MultivariateSummaryStatistics t = null;
int emptyHash = u.hashCode();
assertTrue(u.equals(u));
assertFalse(u.equals(t));
assertFalse(u.equals(Double.valueOf(0)));
t = new MultivariateSummaryStatistics(2, true);
t = createMultivariateSummaryStatistics(2, true);
assertTrue(t.equals(u));
assertTrue(u.equals(t));
assertEquals(emptyHash, t.hashCode());

40
src/test/org/apache/commons/math/stat/descriptive/SynchronizedMultivariateSummaryStatisticsTest.java Normal file
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@ -0,0 +1,40 @@
/*
* 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.Test;
import junit.framework.TestSuite;
/**
* Test cases for the {@link SynchronizedMultivariateSummaryStatisticsTest} class.
* @version $Revision$ $Date: 2007-08-16 15:36:33 -0500 (Thu, 16 Aug
* 2007) $
*/
public final class SynchronizedMultivariateSummaryStatisticsTest extends MultivariateSummaryStatisticsTest {
public SynchronizedMultivariateSummaryStatisticsTest(String name) {
super(name);
}
public static Test suite() {
TestSuite suite = new TestSuite(SynchronizedMultivariateSummaryStatisticsTest.class);
suite.setName("SynchronizedMultivariateSummaryStatistics Tests");
return suite;
}
protected MultivariateSummaryStatistics createMultivariateSummaryStatistics(int k, boolean isCovarianceBiasCorrected) {
return new SynchronizedMultivariateSummaryStatistics(k, isCovarianceBiasCorrected);
}
}