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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.lang3.builder;
18  
19  import static org.junit.jupiter.api.Assertions.assertFalse;
20  import static org.junit.jupiter.api.Assertions.assertTrue;
21  
22  import java.lang.reflect.Field;
23  
24  import org.apache.commons.lang3.AbstractLangTest;
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Tests {@link AbstractReflection#setAccessible(boolean, java.lang.reflect.AccessibleObject)}.
29   */
30  class AbstractReflectionSetAccessibleTest extends AbstractLangTest {
31  
32      @SuppressWarnings("unused")
33      private final String privateField = "value";
34  
35      @Test
36      void setAccessibleHandlesNull() {
37          assertFalse(AbstractReflection.setAccessible(true, null));
38          assertFalse(AbstractReflection.setAccessible(false, null));
39      }
40  
41      @Test
42      void setAccessibleRespectsForceFlag() throws Exception {
43          final Field field = getClass().getDeclaredField("privateField");
44          field.setAccessible(false);
45          assertFalse(field.isAccessible());
46          assertFalse(AbstractReflection.setAccessible(false, field));
47          assertFalse(field.isAccessible());
48          assertTrue(AbstractReflection.setAccessible(true, field));
49          assertTrue(field.isAccessible());
50      }
51  
52      @Test
53      void setAccessibleReturnsTrueWhenAlreadyAccessible() throws Exception {
54          final Field field = getClass().getDeclaredField("privateField");
55          field.setAccessible(true);
56          assertTrue(field.isAccessible());
57          assertTrue(AbstractReflection.setAccessible(false, field));
58          assertTrue(AbstractReflection.setAccessible(true, field));
59      }
60  }