2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.reflection;
18 import java.lang.annotation.ElementType;
19 import java.lang.annotation.Retention;
20 import java.lang.annotation.RetentionPolicy;
21 import java.lang.annotation.Target;
22 import java.util.List;
24 import org.junit.Test;
26 import static junit.framework.TestCase.*;
28 public class AnnotationUtilsTest {
30 @Retention(RetentionPolicy.RUNTIME)
31 @Target({ElementType.FIELD, ElementType.METHOD})
32 public static @interface MyAnnotation {
36 public static class X1 {
41 public static class X2 {
47 public static class X3 {
50 public void setX(int aX) {
60 public static class X4 {
63 private void setX(int aX) {
73 public static class X5 {
79 private void setX(int aX) {
92 public void testPublicField() {
93 List<Accessor> accessors = AnnotationUtils.analyse(X1.class, MyAnnotation.class);
94 assertEquals(1, accessors.size());
95 assertTrue(accessors.get(0) instanceof FieldAccessor);
98 assertEquals(0, obj.x);
99 accessors.get(0).set(obj, 100);
100 assertEquals(100,obj.x);
104 public void testPrivateField() {
105 List<Accessor> accessors = AnnotationUtils.analyse(X2.class, MyAnnotation.class);
106 assertEquals(1, accessors.size());
107 assertTrue(accessors.get(0) instanceof FieldAccessor);
109 assertEquals(0, obj.x);
110 accessors.get(0).set(obj, 100);
111 assertEquals(100, obj.x);
115 public void testPublicProperty() {
116 List<Accessor> accessors = AnnotationUtils.analyse(X3.class, MyAnnotation.class);
117 assertEquals(1, accessors.size());
118 assertTrue(accessors.get(0) instanceof PropertyAccessor);
120 assertEquals(0, obj.x);
121 accessors.get(0).set(obj, 100);
122 assertEquals(100, obj.x);
126 public void testPrivateProperty() {
127 List<Accessor> accessors = AnnotationUtils.analyse(X4.class, MyAnnotation.class);
128 assertEquals(1, accessors.size());
129 assertTrue(accessors.get(0) instanceof PropertyAccessor);
131 assertEquals(0, obj.x);
132 accessors.get(0).set(obj, 100);
133 assertEquals(100, obj.x);
137 public void testMultipleMatches() {
138 List<Accessor> accessors = AnnotationUtils.analyse(X5.class, MyAnnotation.class);
139 assertEquals(2, accessors.size());
141 assertEquals(0, obj.x);
142 assertEquals(0, obj.y);
143 for (Accessor accessor: accessors) {
144 accessor.set(obj, 100);
146 assertEquals(100, obj.x);
147 assertEquals(100, obj.y);