Apache
/
commons-math
mirror of https://github.com/apache/commons-math.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Added tests for NaNs, infinite values. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141347 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2004-06-29 06:07:10 +00:00
parent 2559dc40db
commit afe19bb846
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/test/org/apache/commons/math/stat/univariate/summary/ProductTest.java
View File

@ -23,7 +23,7 @@ import org.apache.commons.math.stat.univariate.UnivariateStatistic;
/**
* Test cases for the {@link UnivariateStatistic} class.
* @version $Revision: 1.12 $ $Date: 2004/06/17 21:37:05 $
* @version $Revision: 1.13 $ $Date: 2004/06/29 06:07:10 $
*/
public class ProductTest extends StorelessUnivariateStatisticAbstractTest{
@ -59,5 +59,20 @@ public class ProductTest extends StorelessUnivariateStatisticAbstractTest{
public double expectedValue() {
return this.product;
}
public void testSpecialValues() {
Product product = new Product();
assertTrue(Double.isNaN(product.getResult()));
product.increment(1);
assertEquals(1, product.getResult(), 0);
product.increment(Double.POSITIVE_INFINITY);
assertEquals(Double.POSITIVE_INFINITY, product.getResult(), 0);
product.increment(Double.NEGATIVE_INFINITY);
assertEquals(Double.NEGATIVE_INFINITY, product.getResult(), 0);
product.increment(Double.NaN);
assertTrue(Double.isNaN(product.getResult()));
product.increment(1);
assertTrue(Double.isNaN(product.getResult()));
}
}