2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.util;
10 import static org.junit.Assert.assertEquals;
12 import java.util.ArrayList;
13 import java.util.List;
14 import org.junit.Test;
16 public class LazyCollectionsTest {
19 public void testLazyAddMethod() {
20 final List<Integer> list = new ArrayList<>();
21 List<Integer> anotherList = LazyCollections.lazyAdd(list, 5);
22 assertEquals(1, anotherList.size());
24 anotherList = LazyCollections.lazyAdd(anotherList, 4);
25 assertEquals(2, anotherList.size());
27 anotherList = LazyCollections.lazyAdd(anotherList, 3);
28 assertEquals(3, anotherList.size());