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1
7 package ch.ethz.prose;
8
9 import java.lang.reflect.Field  ;
11
12 import junit.framework.*;
13 import ch.ethz.jvmai.FieldAccessJoinPoint;
14 import ch.ethz.jvmai.FieldModificationJoinPoint;
15 import ch.ethz.prose.crosscut.*;
16 import ch.ethz.prose.filter.PointCutter;
17 import ch.ethz.prose.filter.Within;
18
19
20
27 public class FieldNotificationTest extends TestCase {
28
29 static final boolean WRITE = false;
31 static final boolean READ = true;
32
33 static class TestClass {
34 int initial;
35 int undefined;
36
37 int[] array;
38
39 Object o;
40
41 public TestClass()
42 {
43 fieldName = "o";
44 o = null;
45 }
46 }
47
48 public static class TestExtension extends DefaultAspect {
49
50 public Crosscut c1 = new GetCut()
51 {
52 public void GET_ARGS()
53 {
54 try
55 {
56 Field f = ((FieldAccessJoinPoint)thisJoinPoint()).getField();
57 assertTrue("unexpected read access to watched field " +
58 f, f.getName().equals(fieldName));
59 assertTrue("unexpected read access to watched field " +
60 f + ", write access expected.",
61 readwriteAccess == READ);
62 }
63 catch ( Exception e )
64 {
65 e.printStackTrace();
66 }
67 }
68
69 protected PointCutter pointCutter() {
70 return Within.type(TestClass.class);
71 }
72
73 protected Class [] potentialCrosscutClasses()
75 {
76 Class [] result = {TestClass.class};
77 return result;
78 }
79 };
80
81 public Crosscut c = new SetCut()
82 {
83 public void SET_ARGS()
84 {
85 Field f = ((FieldModificationJoinPoint)thisJoinPoint()).getField();
86 try {
87 assertTrue("unexpected write access to watched field " +
88 f, f.getName().equals(fieldName));
89 assertTrue("unexpected write access to watched field " +
90 f + ", read access expected.",
91 readwriteAccess == WRITE);
92 }
93 catch ( Exception e ) {
94 e.printStackTrace();
95 }
96 }
97
98 protected Class [] potentialCrosscutClasses()
100 {
101 Class [] result = {TestClass.class};
102 return result;
103 }
104
105 protected PointCutter pointCutter() {
106 return Within.type(TestClass.class);
107 }
108 };
109 }
110
111 TestClass test;
112
113 static String fieldName;
114 static boolean readwriteAccess;
115
116
117
121 public FieldNotificationTest(String name) {
122 super(name);
123 }
124
125
126
129 protected void setUp() {
130 try {
131 ProseSystem.startup();
132 }
133 catch ( Exception e ) {
134 Assert.fail("ProseSystem.startup() failed.");
135 }
136 }
137
138
141 protected void tearDown() {
142 try {
143 ProseSystem.teardown();
144 }
145 catch ( Exception e ) {
146 Assert.fail("ProseSystem.teardown() failed.");
147 }
148 }
149
150
151
154 public void testInstantiation() throws Exception {
155
156 try
157 {
158 ProseSystem.getAspectManager().insert(new TestExtension());
159
160 runTestInstantiation();
161 }
162 catch (RuntimeException e)
163 {
164 e.printStackTrace();
165 throw e;
166 }
167 }
168
169 protected void runTestInstantiation() {
170 int[] arr = { 1, 2, 3, 4, 5 };
171
172 readwriteAccess = WRITE;
173 fieldName = "initial";
174 test = new TestClass();
175
176 fieldName = "undefined";
177 test.undefined = -5;
178
179 fieldName = "o";
180 test.o = new Object ();
181
182 fieldName = "array";
183 test.array = arr;
184
185 readwriteAccess = READ;
186 arr[0] = 0;
187
188 readwriteAccess = WRITE;
189 test.array = arr;
190
191 readwriteAccess = READ;
192 test.array[1] = 9;
193 test.array[3] = 1;
194 test.array[4] = 10;
195 }
196
197
201 public static
202 Test suite() {
203 return new TestSuite(FieldNotificationTest.class);
204 }
205
206 }
207
208
209 |
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