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Added unit tests. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141212 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brent Worden 2004-05-04 13:15:47 +00:00
parent 631377f86b
commit 84839d3f05
2 changed files with 42 additions and 12 deletions
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21
src/test/org/apache/commons/math/util/ContractableDoubleArrayTest.java
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@ -19,7 +19,7 @@ package org.apache.commons.math.util;
/**
* This class contains test cases for the ExpandableDoubleArray.
*
* @version $Revision: 1.8 $ $Date: 2004/02/21 21:35:18 $
* @version $Revision: 1.9 $ $Date: 2004/05/04 13:15:47 $
*/
public class ContractableDoubleArrayTest extends ExpandableDoubleArrayTest {
@ -35,4 +35,23 @@ public class ContractableDoubleArrayTest extends ExpandableDoubleArrayTest {
ra = new ContractableDoubleArray();
}
protected ExpandableDoubleArray newInstance(int initialCapacity) {
return new ContractableDoubleArray(initialCapacity);
}
protected ExpandableDoubleArray newInstance() {
return new ContractableDoubleArray();
}
protected ExpandableDoubleArray newInstance(int initialCapacity, float expansionFactor) {
if (expansionFactor < 2.5f) {
return new ContractableDoubleArray(initialCapacity, expansionFactor);
} else {
return newInstance(initialCapacity, expansionFactor, expansionFactor + 1.0f);
}
}
protected ExpandableDoubleArray newInstance(int initialCapacity, float expansionFactor, float contractionFactor) {
return new ContractableDoubleArray(initialCapacity, expansionFactor, contractionFactor);
}
}

33
src/test/org/apache/commons/math/util/ExpandableDoubleArrayTest.java
View File

@ -19,7 +19,7 @@ package org.apache.commons.math.util;
/**
* This class contains test cases for the ExpandableDoubleArray.
*
* @version $Revision: 1.9 $ $Date: 2004/02/21 21:35:18 $
* @version $Revision: 1.10 $ $Date: 2004/05/04 13:15:47 $
*/
public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
@ -31,8 +31,8 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception {
da = new ExpandableDoubleArray();
ra = new ExpandableDoubleArray();
da = newInstance();
ra = newInstance();
}
/* (non-Javadoc)
@ -108,7 +108,7 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
public void testWithInitialCapacity() {
ExpandableDoubleArray eDA2 = new ExpandableDoubleArray(2);
ExpandableDoubleArray eDA2 = newInstance(2);
assertEquals("Initial number of elements should be 0", 0, eDA2.getNumElements());
int iterations = (int) Math.pow(2.0, 15.0);
@ -127,7 +127,7 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
public void testWithInitialCapacityAndExpansionFactor() {
ExpandableDoubleArray eDA3 = new ExpandableDoubleArray(3, 3.0f);
ExpandableDoubleArray eDA3 = newInstance(3, 3.0f);
assertEquals("Initial number of elements should be 0", 0, eDA3.getNumElements() );
int iterations = (int) Math.pow(3.0, 7.0);
@ -181,12 +181,12 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
public void testIllegalInitialCapacity() {
try {
ExpandableDoubleArray eDA = new ExpandableDoubleArray(-3, 2.0f);
ExpandableDoubleArray eDA = newInstance(-3, 2.0f);
fail( "That constructor should have thrown an IllegalArgumentException because " + "the initialCapacity was negative, if it didn't then" + " the range checking of initialCapacity is not working properly" );
} catch( IllegalArgumentException iae ) {
}
try {
ExpandableDoubleArray eDA = new ExpandableDoubleArray(0, 2.0f);
ExpandableDoubleArray eDA = newInstance(0, 2.0f);
fail( "That constructor should have thrown an IllegalArgumentException because " +
"the initialCapacity was ZERO if it didn't then" +
" the range checking of initialCapacity is not working properly" );
@ -196,19 +196,19 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
public void testIllegalExpansionFactor() {
try {
ExpandableDoubleArray eDA = new ExpandableDoubleArray(3, 0.66f);
ExpandableDoubleArray eDA = newInstance(3, 0.66f);
fail( "That constructor should have thrown an IllegalArgumentException because " + "the expansionFactor for 0.66 which would shrink the array instead of expand the array");
} catch( IllegalArgumentException iae ) {
}
try {
ExpandableDoubleArray eDA = new ExpandableDoubleArray(3, 0.0f);
ExpandableDoubleArray eDA = newInstance(3, 0.0f);
fail( "That constructor should have thrown an IllegalArgumentException because " +
"the expansionFactor for 0.0");
} catch( IllegalArgumentException iae) {
}
try {
ExpandableDoubleArray eDA = new ExpandableDoubleArray(3, -4.35f);
ExpandableDoubleArray eDA = newInstance(3, -4.35f);
fail( "That constructor should have thrown an IllegalArgumentException because " +
"the expansionFactor for -4.35");
} catch( IllegalArgumentException iae) {
@ -236,5 +236,16 @@ public class ExpandableDoubleArrayTest extends DoubleArrayAbstractTest {
} catch( Exception e ){
}
}
protected ExpandableDoubleArray newInstance(int initialCapacity) {
return new ExpandableDoubleArray(initialCapacity);
}
protected ExpandableDoubleArray newInstance() {
return new ExpandableDoubleArray();
}
protected ExpandableDoubleArray newInstance(int initialCapacity, float expansionFactor) {
return new ExpandableDoubleArray(initialCapacity, expansionFactor);
}
}