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Test new buffer implementation that overwrites the oldest entry when full 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131033 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2003-04-26 15:13:54 +00:00
parent 76fb648c5c
commit 046411c42b
2 changed files with 235 additions and 7 deletions
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14
src/test/org/apache/commons/collections/TestAll.java
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@ -1,13 +1,10 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestAll.java,v 1.41 2003/03/09 00:07:41 scolebourne Exp $
* $Revision: 1.41 $
* $Date: 2003/03/09 00:07:41 $
*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/TestAll.java,v 1.42 2003/04/26 15:13:54 scolebourne Exp $
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -58,7 +55,6 @@
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections;
import junit.framework.Test;
@ -67,8 +63,11 @@ import junit.framework.TestSuite;
/**
* Entry point for all Collections tests.
*
* @version $Revision: 1.42 $ $Date: 2003/04/26 15:13:54 $
*
* @author Rodney Waldhoff
* @version $Id: TestAll.java,v 1.41 2003/03/09 00:07:41 scolebourne Exp $
* @author Stephen Colebourne
*/
public class TestAll extends TestCase {
public TestAll(String testName) {
@ -82,6 +81,7 @@ public class TestAll extends TestCase {
suite.addTest(TestBinaryHeap.suite());
suite.addTest(TestBoundedFifoBuffer.suite());
suite.addTest(TestBoundedFifoBuffer2.suite());
suite.addTest(TestCircularFifoBuffer.suite());
suite.addTest(TestCollectionUtils.suite());
suite.addTest(TestCommonsLinkedList.suite());
suite.addTest(TestBufferUtils.suite());

228
src/test/org/apache/commons/collections/TestCircularFifoBuffer.java Normal file
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@ -0,0 +1,228 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/test/org/apache/commons/collections/Attic/TestCircularFifoBuffer.java,v 1.1 2003/04/26 15:13:22 scolebourne Exp $
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.collections;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import junit.framework.Test;
/**
* Test cases for CircularFifoBuffer.
*
* @version $Revision: 1.1 $ $Date: 2003/04/26 15:13:22 $
*
* @author Stephen Colebourne
*/
public class TestCircularFifoBuffer extends TestCollection {
public TestCircularFifoBuffer(String n) {
super(n);
}
public static Test suite() {
return BulkTest.makeSuite(TestCircularFifoBuffer.class);
}
/**
* Returns an empty BoundedFifoBuffer that won't overflow.
*
* @return an empty BoundedFifoBuffer
*/
public Collection makeCollection() {
return new CircularFifoBuffer(100);
}
/**
* Returns an empty ArrayList.
*
* @return an empty ArrayList
*/
public Collection makeConfirmedCollection() {
return new ArrayList();
}
/**
* Returns a full ArrayList.
*
* @return a full ArrayList
*/
public Collection makeConfirmedFullCollection() {
Collection c = makeConfirmedCollection();
c.addAll(java.util.Arrays.asList(getFullElements()));
return c;
}
/**
* Overridden because CircularFifoBuffer doesn't support null elements.
*
* @return an array of random objects without a null element
*/
public Object[] getFullElements() {
return getFullNonNullElements();
}
/**
* Overridden, because CircularFifoBuffer's iterators aren't fail-fast.
*/
public void testCollectionIteratorFailFast() {
}
/**
* Runs through the regular verifications, but also verifies that
* the buffer contains the same elements in the same sequence as the
* list.
*/
public void verify() {
super.verify();
Iterator iterator1 = collection.iterator();
Iterator iterator2 = confirmed.iterator();
while (iterator2.hasNext()) {
assertTrue(iterator1.hasNext());
Object o1 = iterator1.next();
Object o2 = iterator2.next();
assertEquals(o1, o2);
}
}
/**
* Tests that the removal operation actually removes the first element.
*/
public void testCircularFifoBufferCircular() {
List list = new ArrayList();
list.add("A");
list.add("B");
list.add("C");
Buffer buf = new CircularFifoBuffer(list);
assertEquals(true, buf.contains("A"));
assertEquals(true, buf.contains("B"));
assertEquals(true, buf.contains("C"));
buf.add("D");
assertEquals(false, buf.contains("A"));
assertEquals(true, buf.contains("B"));
assertEquals(true, buf.contains("C"));
assertEquals(true, buf.contains("D"));
assertEquals("B", buf.get());
assertEquals("B", buf.remove());
assertEquals("C", buf.remove());
assertEquals("D", buf.remove());
}
/**
* Tests that the removal operation actually removes the first element.
*/
public void testCircularFifoBufferRemove() {
resetFull();
int size = confirmed.size();
for (int i = 0; i < size; i++) {
Object o1 = ((CircularFifoBuffer) collection).remove();
Object o2 = ((ArrayList) confirmed).remove(0);
assertEquals("Removed objects should be equal", o1, o2);
verify();
}
try {
((CircularFifoBuffer) collection).remove();
fail("Empty buffer should raise Underflow.");
} catch (BufferUnderflowException e) {
// expected
}
}
/**
* Tests that the constructor correctly throws an exception.
*/
public void testConstructorException1() {
try {
new CircularFifoBuffer(0);
} catch (IllegalArgumentException ex) {
return;
}
fail();
}
/**
* Tests that the constructor correctly throws an exception.
*/
public void testConstructorException2() {
try {
new CircularFifoBuffer(-20);
} catch (IllegalArgumentException ex) {
return;
}
fail();
}
/**
* Tests that the constructor correctly throws an exception.
*/
public void testConstructorException3() {
try {
new CircularFifoBuffer(null);
} catch (NullPointerException ex) {
return;
}
fail();
}
}