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Added test to verify that all statistics evaluate on array segments correctly. JIRA: MATH-704.

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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1206668 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2011-11-27 06:00:27 +00:00
parent 118f0cc085
commit f4e3854e2f
1 changed files with 12 additions and 0 deletions
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src/test/java/org/apache/commons/math/stat/descriptive/UnivariateStatisticAbstractTest.java
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@ -17,6 +17,7 @@ s * Unless required by applicable law or agreed to in writing, software
package org.apache.commons.math.stat.descriptive;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
@ -99,6 +100,17 @@ public abstract class UnivariateStatisticAbstractTest {
getUnivariateStatistic().evaluate(testArray),
getTolerance());
}
@Test
public void testEvaluateArraySegment() {
final UnivariateStatistic stat = getUnivariateStatistic();
final double[] arrayZero = Arrays.copyOfRange(testArray, 0, 5);
Assert.assertEquals(stat.evaluate(arrayZero), stat.evaluate(testArray, 0, 5), 0);
final double[] arrayOne = Arrays.copyOfRange(testArray, 5, 10);
Assert.assertEquals(stat.evaluate(arrayOne), stat.evaluate(testArray, 5, 5), 0);
final double[] arrayEnd = Arrays.copyOfRange(testArray, testArray.length - 5, testArray.length);
Assert.assertEquals(stat.evaluate(arrayEnd), stat.evaluate(testArray, testArray.length - 5, 5), 0);
}
@Test
public void testCopy() throws Exception {