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/*******************************************************************************
* Copyright (c) 2005, 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.tests.internal.iterators;
import java.util.Iterator;
import java.util.ListIterator;
import org.eclipse.jpt.utility.internal.iterators.SingleElementListIterator;
@SuppressWarnings("nls")
public class SingleElementListIteratorTests extends SingleElementIteratorTests {
public SingleElementListIteratorTests(String name) {
super(name);
}
public void testNextIndex() {
ListIterator<String> stream = this.buildSingleElementListIterator();
while (stream.hasNext()) {
assertEquals("bogus index", 0, stream.nextIndex());
stream.next();
}
assertEquals("bogus index", 1, stream.nextIndex());
}
public void testHasPrevious() {
int i = 0;
ListIterator<String> stream = this.buildSingleElementListIterator();
while (stream.hasNext()) {
stream.next();
i++;
}
assertEquals(1, i);
while (stream.hasPrevious()) {
stream.previous();
i++;
}
assertEquals(2, i);
}
public void testPrevious() {
ListIterator<String> stream = this.buildSingleElementListIterator();
while (stream.hasNext()) {
assertEquals("bogus element", this.singleElement(), stream.next());
}
while (stream.hasPrevious()) {
assertEquals("bogus element", this.singleElement(), stream.previous());
}
}
public void testPreviousIndex() {
ListIterator<String> stream = this.buildSingleElementListIterator();
while (stream.hasNext()) {
assertEquals("bogus index", 0, stream.nextIndex());
stream.next();
}
while (stream.hasPrevious()) {
assertEquals("bogus index", 0, stream.previousIndex());
stream.previous();
}
assertEquals("bogus index", -1, stream.previousIndex());
}
public void testAdd() {
boolean exCaught = false;
ListIterator<String> stream = this.buildSingleElementListIterator();
try {
stream.add("foo");
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
assertTrue("UnsupportedOperationException not thrown", exCaught);
}
public void testSet() {
boolean exCaught = false;
for (ListIterator<String> stream = this.buildSingleElementListIterator(); stream.hasNext();) {
if (stream.next().equals(this.singleElement())) {
try {
stream.set("foo");
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
}
}
assertTrue("UnsupportedOperationException not thrown", exCaught);
}
@Override
protected Iterator<String> buildSingleElementIterator() {
return new SingleElementListIterator<String>(this.singleElement());
}
protected ListIterator<String> buildSingleElementListIterator() {
return (ListIterator<String>) this.buildSingleElementIterator();
}
}
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