| /******************************************************************************* |
| * 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 org.eclipse.jpt.common.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(); |
| } |
| |
| } |