org.apache.jackrabbit.test.api.NodeIteratorTest Maven / Gradle / Ivy
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* 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.jackrabbit.test.api;
import org.apache.jackrabbit.test.AbstractJCRTest;
import org.apache.jackrabbit.test.NotExecutableException;
import javax.jcr.RepositoryException;
import javax.jcr.NodeIterator;
import java.util.NoSuchElementException;
/**
* Tests the {@link javax.jcr.NodeIterator} implementation.
*
*/
public class NodeIteratorTest extends AbstractJCRTest {
protected void setUp() throws Exception {
isReadOnly = true;
super.setUp();
}
/**
* Tests if {@link javax.jcr.NodeIterator#getSize()} returns the correct
* size.
* @throws NotExecutableException if getSize() returns -1 (unavailable).
*/
public void testGetSize() throws RepositoryException, NotExecutableException {
NodeIterator iter = testRootNode.getNodes();
long size = testRootNode.getNodes().getSize();
if (size != -1) {
long count = 0;
while (iter.hasNext()) {
iter.nextNode();
count++;
}
assertEquals("NodeIterator.getSize does not return correct number.", size, count);
} else {
throw new NotExecutableException("NodeIterator.getSize() does not return size information.");
}
}
/**
* Tests if {@link javax.jcr.NodeIterator#getPosition()} return correct values.
*/
public void testGetPos() throws RepositoryException {
NodeIterator iter = testRootNode.getNodes();
assertEquals("Initial call to getPos() must return zero", 0, iter.getPosition());
int index = 0;
while (iter.hasNext()) {
iter.nextNode();
assertEquals("Wrong position returned by getPos()", ++index, iter.getPosition());
}
}
/**
* Tests if a {@link java.util.NoSuchElementException} is thrown when {@link
* javax.jcr.NodeIterator#nextNode()} is called and there are no more nodes
* available.
*/
public void testNoSuchElementException() throws RepositoryException {
NodeIterator iter = testRootNode.getNodes();
while (iter.hasNext()) {
iter.nextNode();
}
try {
iter.nextNode();
fail("nextNode() must throw a NoSuchElementException when no nodes are available");
} catch (NoSuchElementException e) {
// success
}
}
/**
* Tests if {@link javax.jcr.NodeIterator#skip(long)} works correctly.
*/
public void testSkip() throws RepositoryException {
NodeIterator iter = testRootNode.getNodes();
// find out if there is anything we can skip
int count = 0;
while (iter.hasNext()) {
iter.nextNode();
count++;
}
if (count > 0) {
// re-aquire iterator
iter = testRootNode.getNodes();
iter.skip(count);
try {
iter.nextNode();
fail("nextNode() must throw a NoSuchElementException when no nodes are available");
} catch (NoSuchElementException e) {
// success
}
// re-aquire iterator
iter = testRootNode.getNodes();
try {
iter.skip(count + 1);
fail("skip() must throw a NoSuchElementException if one tries to skip past the end of the iterator");
} catch (NoSuchElementException e) {
// success
}
}
}
}