2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.models.base;
24 import static org.junit.Assert.assertEquals;
25 import static org.junit.Assert.assertFalse;
26 import static org.junit.Assert.assertTrue;
28 import java.util.Arrays;
29 import java.util.List;
30 import org.junit.Test;
33 * Test the PfUtils class.
35 * @author Liam Fallon (liam.fallon@est.tech)
37 public class PfUtilsTest {
39 private static final String HELLO = "hello";
42 public void testCompareObjects() {
43 assertEquals(0, PfUtils.compareObjects(null, null));
44 assertEquals(-1, PfUtils.compareObjects(HELLO, null));
45 assertEquals(1, PfUtils.compareObjects(null, HELLO));
46 assertFalse(PfUtils.compareObjects(HELLO, "goodbye") == 0);
47 assertEquals(0, PfUtils.compareObjects(HELLO, HELLO));
51 public void testMapList() {
52 List<Object> resultList = PfUtils.mapList(null, item -> {
53 throw new RuntimeException("should not be invoked");
55 assertTrue(resultList.isEmpty());
57 // verify that we can modify the empty list without throwing an exception
58 resultList.add("xyz");
59 resultList.add("pdq");
60 resultList.remove("xyz");
63 List<String> origList = Arrays.asList("abc", "def");
64 List<String> newList = PfUtils.mapList(origList, text -> text + "X");
66 assertEquals(Arrays.asList("abcX", "defX"), newList);
68 // verify that we can modify the list without throwing an exception
69 newList.remove("abcX");
70 newList.add("something else");