/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.collections;
import java.util.Arrays;
import java.util.Collection;
import junit.framework.Test;
/**
* Runs tests against a full BoundedFifoBuffer, since many of the algorithms
* differ depending on whether the fifo is full or not.
*
* @version $Revision: 646780 $ $Date: 2008-04-10 13:48:07 +0100 (Thu, 10 Apr 2008) $
*
* @author Unknown
*/
public class TestBoundedFifoBuffer2 extends TestBoundedFifoBuffer {
public TestBoundedFifoBuffer2(String n) {
super(n);
}
public static Test suite() {
return BulkTest.makeSuite(TestBoundedFifoBuffer2.class);
}
/**
* Returns a BoundedFifoBuffer that's filled to capacity.
* Any attempt to add to the returned buffer will result in a
* BufferOverflowException.
*
* @return a full BoundedFifoBuffer
*/
public Collection makeFullCollection() {
return new BoundedFifoBuffer(Arrays.asList(getFullElements()));
}
/**
* Overridden to skip the add tests. All of them would fail with a
* BufferOverflowException.
*
* @return false
*/
public boolean isAddSupported() {
return false;
}
/**
* Overridden because the add operations raise BufferOverflowException
* instead of UnsupportedOperationException.
*/
public void testUnsupportedAdd() {
}
/**
* Tests to make sure the add operations raise BufferOverflowException.
*/
public void testBufferOverflow() {
resetFull();
try {
collection.add(getOtherElements()[0]);
fail("add should raise BufferOverflow.");
} catch (BufferOverflowException e) {
// expected
}
verify();
try {
collection.addAll(Arrays.asList(getOtherElements()));
fail("addAll should raise BufferOverflow.");
} catch (BufferOverflowException e) {
// expected
}
verify();
}
/**
* Tests is full
*/
public void testIsFull() {
resetFull();
assertEquals(true, ((BoundedCollection) collection).isFull());
((BoundedFifoBuffer) collection).remove();
assertEquals(false, ((BoundedCollection) collection).isFull());
((BoundedFifoBuffer) collection).add("jj");
assertEquals(true, ((BoundedCollection) collection).isFull());
}
/**
* Tests max size
*/
public void testMaxSize() {
resetFull();
assertEquals(getFullElements().length, ((BoundedCollection) collection).maxSize());
((BoundedFifoBuffer) collection).remove();
assertEquals(getFullElements().length, ((BoundedCollection) collection).maxSize());
((BoundedFifoBuffer) collection).add("jj");
assertEquals(getFullElements().length, ((BoundedCollection) collection).maxSize());
}
}