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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.common.utility.tests.internal.iterators;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.NoSuchElementException;
import org.eclipse.jpt.common.utility.internal.iterators.ArrayListIterator;
@SuppressWarnings("nls")
public class ArrayListIteratorTests extends ArrayIteratorTests {
public ArrayListIteratorTests(String name) {
super(name);
}
public void testHasPrevious() {
ListIterator<String> stream = this.buildListIterator();
while (stream.hasNext()) {
stream.next();
}
int i = 0;
while (stream.hasPrevious()) {
stream.previous();
i++;
}
assertEquals(this.buildArray().length, i);
}
public void testPrevious() {
ListIterator<String> stream = this.buildListIterator();
while (stream.hasNext()) {
stream.next();
}
int i = this.buildArray().length;
while (stream.hasPrevious()) {
assertEquals("bogus element", i--, Integer.parseInt(stream.previous()));
}
}
public void testNextIndex() {
int i = 0;
ListIterator<String> stream = this.buildListIterator();
while (stream.hasNext()) {
assertEquals(i, stream.nextIndex());
stream.next();
i++;
}
assertEquals(i, stream.nextIndex());
}
public void testPreviousIndex() {
int i = 0;
ListIterator<String> stream = this.buildListIterator();
while (stream.hasNext()) {
assertEquals(i - 1, stream.previousIndex());
stream.next();
i++;
}
assertEquals(i - 1, stream.previousIndex());
}
@Override
public void testNoSuchElementException() {
boolean exCaught = false;
ListIterator<String> stream = this.buildListIterator();
String string = null;
try {
string = stream.previous();
} catch (NoSuchElementException ex) {
exCaught = true;
}
assertTrue("NoSuchElementException not thrown: " + string, exCaught);
}
public void testUnsupportedOperationExceptionAdd() {
boolean exCaught = false;
for (ListIterator<String> stream = this.buildListIterator(); stream.hasNext();) {
if (stream.next().equals("3")) {
try {
stream.add("3.5");
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
}
}
assertTrue("UnsupportedOperationException not thrown", exCaught);
}
public void testUnsupportedOperationExceptionSet() {
boolean exCaught = false;
for (ListIterator<String> stream = this.buildListIterator(); stream.hasNext();) {
if (stream.next().equals("3")) {
try {
stream.set("three");
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
}
}
assertTrue("UnsupportedOperationException not thrown", exCaught);
}
@Override
Iterator<Number> buildGenericIterator(Integer[] integers) {
return new ArrayListIterator<Number>(integers);
}
@Override
Iterator<Number> buildVarArgIterator() {
return new ArrayListIterator<Number>(new Integer(0), new Integer(1), new Integer(2));
}
private ListIterator<String> buildListIterator() {
return this.buildListIterator(this.buildArray());
}
private ListIterator<String> buildListIterator(String[] array) {
return new ArrayListIterator<String>(array);
}
@Override
Iterator<String> buildIterator(String[] array) {
return new ArrayListIterator<String>(array);
}
@Override
Iterator<String> buildIterator(String[] array, int start, int length) {
return new ArrayListIterator<String>(array, start, length);
}
}
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