| /******************************************************************************* |
| * Copyright (c) 2010 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; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.jpt.utility.internal.Bag; |
| import org.eclipse.jpt.utility.internal.HashBag; |
| |
| @SuppressWarnings("nls") |
| public class BagTests extends TestCase { |
| |
| public BagTests(String name) { |
| super(name); |
| } |
| |
| public void testEmptyBag_iterator() throws Exception { |
| assertFalse(Bag.Empty.instance().iterator().hasNext()); |
| } |
| |
| public void testEmptyBag_size() throws Exception { |
| assertEquals(0, Bag.Empty.instance().size()); |
| } |
| |
| public void testEmptyBag_uniqueIterator() throws Exception { |
| assertFalse(Bag.Empty.instance().uniqueIterator().hasNext()); |
| } |
| |
| public void testEmptyBag_uniqueCount() throws Exception { |
| assertEquals(0, Bag.Empty.instance().uniqueCount()); |
| } |
| |
| public void testEmptyBag_count() throws Exception { |
| assertEquals(0, Bag.Empty.instance().count("foo")); |
| } |
| |
| public void testEmptyBag_entries() throws Exception { |
| assertFalse(Bag.Empty.instance().entries().hasNext()); |
| } |
| |
| public void testEmptyBag_remove() throws Exception { |
| assertFalse(Bag.Empty.instance().remove("foo", 3)); |
| } |
| |
| public void testEmptyBag_add() throws Exception { |
| boolean exCaught = false; |
| try { |
| Bag.Empty.instance().add("foo", 3); |
| fail(); |
| } catch (UnsupportedOperationException ex) { |
| exCaught = true; |
| } |
| assertTrue(exCaught); |
| } |
| |
| public void testEmptyBag_equals() throws Exception { |
| assertTrue(Bag.Empty.instance().equals(Bag.Empty.instance())); |
| assertFalse(Bag.Empty.instance().equals("foo")); |
| |
| Bag<Object> bag = new HashBag<Object>(); |
| assertTrue(Bag.Empty.instance().equals(bag)); |
| bag.add("foo"); |
| assertFalse(Bag.Empty.instance().equals(bag)); |
| } |
| |
| public void testEmptyBag_hashCode() throws Exception { |
| assertEquals(0, Bag.Empty.instance().hashCode()); |
| } |
| |
| public void testEmptyBag_serialization() throws Exception { |
| Bag<?> xxx = TestTools.serialize(Bag.Empty.instance()); |
| assertSame(Bag.Empty.instance(), xxx); |
| } |
| |
| } |