2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018, 2020 AT&T Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2024 Nordix Foundation.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.drools.utils;
24 import static org.junit.jupiter.api.Assertions.assertEquals;
25 import static org.junit.jupiter.api.Assertions.assertFalse;
26 import static org.junit.jupiter.api.Assertions.assertNull;
27 import static org.junit.jupiter.api.Assertions.assertThrows;
28 import static org.junit.jupiter.api.Assertions.assertTrue;
29 import static org.junit.jupiter.api.Assertions.fail;
31 import org.junit.jupiter.api.Test;
33 class ReflectionUtilTest {
35 public class ParentClass {
39 class ChildClass extends ParentClass{
44 void testReflection() {
48 Class<?> class1 = Class.forName("org.onap.policy.drools.utils.ReflectionUtil");
50 ClassLoader classLoader = class1.getClassLoader();
52 Class<?> class2 = ReflectionUtil.fetchClass(classLoader, "org.onap.policy.drools.utils.ReflectionUtil");
55 assertTrue(ReflectionUtil.isClass(classLoader, "org.onap.policy.drools.utils.ReflectionUtil"));
56 assertEquals(class1, class2);
57 assertTrue(ReflectionUtil.isSubclass(ParentClass.class, ChildClass.class));
58 assertFalse(ReflectionUtil.isSubclass(ChildClass.class, ParentClass.class));
61 } catch (ClassNotFoundException e) {
67 void testException1() {
68 assertThrows(IllegalArgumentException.class, () ->
69 ReflectionUtil.fetchClass(null, "org.onap.policy.drools.utils.ReflectionUtil"));
73 void testException2() {
76 class1 = Class.forName("org.onap.policy.drools.utils.ReflectionUtil");
77 ClassLoader classLoader = class1.getClassLoader();
78 assertThrows(IllegalArgumentException.class, () ->
79 ReflectionUtil.fetchClass(classLoader, null));
80 } catch (ClassNotFoundException e) {
86 void testException3() {
87 assertNull(ReflectionUtil.fetchClass(ClassLoader.getSystemClassLoader(), "foo.bar"));