/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.testing.tests.performance.java; | |
import java.util.*; | |
import org.eclipse.persistence.testing.framework.*; | |
/** | |
* This test compares the performance between ArrayList and Vector. | |
*/ | |
public class ListTest extends PerformanceComparisonTestCase { | |
protected int size; | |
public ListTest(int size) { | |
this.size = size; | |
setName("Vector vs Lists size " + size + " PerformanceComparisonTest"); | |
setDescription("Compares the performance between ArrayList and Vector."); | |
addArrayListTest(); | |
addLinkedListTest(); | |
} | |
/** | |
* Vector. | |
*/ | |
public void test() throws Exception { | |
Vector vector = new Vector(10); | |
for (int index = 0; index < size; index++) { | |
vector.add(new Integer(index)); | |
} | |
for (int index = 0; index < size; index++) { | |
Object result = vector.get(index); | |
} | |
} | |
/** | |
* ArrayList. | |
*/ | |
public void addArrayListTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
public void test() { | |
List list = new ArrayList(10); | |
for (int index = 0; index < size; index++) { | |
list.add(new Integer(index)); | |
} | |
for (int index = 0; index < size; index++) { | |
Object result = list.get(index); | |
} | |
} | |
}; | |
test.setName("ArrayListTest"); | |
test.setAllowableDecrease(-10); | |
addTest(test); | |
} | |
/** | |
* LinkedList. | |
*/ | |
public void addLinkedListTest() { | |
PerformanceComparisonTestCase test = new PerformanceComparisonTestCase() { | |
public void test() { | |
List list = new LinkedList(); | |
for (int index = 0; index < size; index++) { | |
list.add(new Integer(index)); | |
} | |
for (int index = 0; index < size; index++) { | |
Object result = list.get(index); | |
} | |
} | |
}; | |
test.setName("LinkedListTest"); | |
test.setAllowableDecrease(-150); | |
addTest(test); | |
} | |
} |