View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.bcel;
21  
22  import static org.junit.jupiter.api.Assertions.assertEquals;
23  import static org.junit.jupiter.api.Assertions.assertFalse;
24  import static org.junit.jupiter.api.Assertions.assertNull;
25  import static org.junit.jupiter.api.Assertions.assertTrue;
26  
27  import org.apache.bcel.classfile.InnerClass;
28  import org.apache.bcel.classfile.InnerClasses;
29  import org.apache.bcel.classfile.JavaClass;
30  import org.apache.bcel.data.EmptyClass;
31  import org.junit.jupiter.api.Test;
32  
33  class AnonymousClassTest extends AbstractTest {
34      @Test
35      void testAnonymousInnerClassIsAnonymous() throws ClassNotFoundException {
36          final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + ".data.AnonymousClassTest$1");
37          assertTrue(clazz.isAnonymous(), "anonymous inner classes are anonymous");
38          assertTrue(clazz.isNested(), "anonymous inner classes are anonymous");
39      }
40  
41      @Test
42      void testNamedInnerClassIsNotAnonymous() throws ClassNotFoundException {
43          final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + ".data.AnonymousClassTest$X");
44          assertFalse(clazz.isAnonymous(), "regular inner classes are not anonymous");
45          assertTrue(clazz.isNested(), "regular inner classes are nested");
46      }
47  
48      @Test
49      void testRegularClassInnerClasses() throws ClassNotFoundException {
50          final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + ".data.AnonymousClassTest");
51          final InnerClasses innerClasses = clazz.getAttribute(Const.ATTR_INNER_CLASSES);
52          final InnerClass[] innerClassArray = innerClasses.getInnerClasses();
53          assertEquals(3, innerClassArray.length);
54          assertNull(Repository.lookupClass(EmptyClass.class).getAttribute(Const.ATTR_INNER_CLASSES));
55      }
56  
57      @Test
58      void testRegularClassIsNotAnonymous() throws ClassNotFoundException {
59          final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + ".data.AnonymousClassTest");
60          assertFalse(clazz.isAnonymous(), "regular outer classes are not anonymous");
61          assertFalse(clazz.isNested(), "regular outer classes are not nested");
62      }
63  
64      @Test
65      void testStaticInnerClassIsNotAnonymous() throws ClassNotFoundException {
66          final JavaClass clazz = getTestJavaClass(PACKAGE_BASE_NAME + ".data.AnonymousClassTest$Y");
67          assertFalse(clazz.isAnonymous(), "regular static inner classes are not anonymous");
68          assertTrue(clazz.isNested(), "regular static inner classes are nested");
69      }
70  }