1 /*
2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package vm.runtime.defmeth;
25
26 import nsk.share.TestFailure;
27 import nsk.share.test.TestBase;
28 import vm.runtime.defmeth.shared.DefMethTest;
29 import vm.runtime.defmeth.shared.data.*;
30 import static vm.runtime.defmeth.shared.data.method.body.CallMethod.Invoke.*;
31 import static vm.runtime.defmeth.shared.data.method.body.CallMethod.IndexbyteOp.*;
32 import vm.runtime.defmeth.shared.data.method.body.*;
33 import vm.runtime.defmeth.shared.builder.TestBuilder;
34
35 /**
36 * Test that default methods don't override methods inherited from Object class.
37 */
38 public class ObjectMethodOverridesTest extends DefMethTest {
39
40 public static void main(String[] args) {
41 TestBase.runTest(new ObjectMethodOverridesTest(), args);
42 }
43
44 /* protected Object clone() */
45 public void testClone() throws Exception {
46 TestBuilder b = factory.getBuilder();
47
48 Interface I = b.intf("I")
49 .defaultMethod("clone", "()Ljava/lang/Object;")
50 .throw_(TestFailure.class)
51 .build()
52 .build();
53
54 ConcreteClass C = b.clazz("C").implement(I)
55 .concreteMethod("m", "()V")
56 // force an invokevirtual MR
57 .invoke(CallMethod.Invoke.VIRTUAL,
58 b.clazzByName("C"), b.clazzByName("C"),
59 "clone", "()Ljava/lang/Object;", METHODREF)
60 .build()
61 .build();
62
63 b.test().callSite(C, C, "m", "()V")
64 .throws_(CloneNotSupportedException.class)
65 .done()
66
67 .run();
68 }
69
70 /* boolean equals(Object obj) */
71 public void testEquals() throws Exception {
72 TestBuilder b = factory.getBuilder();
73
74 Interface I = b.intf("I")
75 .defaultMethod("equals", "(Ljava/lang/Object;)Z")
76 .throw_(TestFailure.class)
77 .build()
78 .build();
79
80 ConcreteClass C = b.clazz("C").implement(I).build();
81
82 ClassLoader cl = b.build();
83 Object c = cl.loadClass("C").newInstance();
84
85 c.equals(this);
86 }
87
88 /* void finalize() */
89 public void testFinalize() throws Exception {
90 TestBuilder b = factory.getBuilder();
91
92 Interface I = b.intf("I")
93 .defaultMethod("finalize", "()V")
94 .throw_(TestFailure.class)
95 .build()
96 .build();
97
98 ConcreteClass C = b.clazz("C").implement(I)
99 .concreteMethod("m", "()V")
100 // force an invokevirtual MR
101 .invoke(CallMethod.Invoke.VIRTUAL,
102 b.clazzByName("C"), b.clazzByName("C"), "finalize", "()V", METHODREF)
103 .build()
104 .build();
105
106 b.test().callSite(C, C, "m", "()V")
107 .ignoreResult()
108 .done()
109
110 .run();
111 }
112
113 /* final Class<?> getClass() */
114 public void testGetClass() throws Exception {
115 TestBuilder b = factory.getBuilder();
116
117 Interface I = b.intf("I")
118 .defaultMethod("getClass", "()Ljava/lang/Class;")
119 .sig("()Ljava/lang/Class<*>;")
120 .throw_(TestFailure.class)
121 .build()
122 .build();
123
124 ConcreteClass C = b.clazz("C").implement(I).build();
125
126 b.test().loadClass(I).throws_(VerifyError.class).done()
127 .run();
128 }
129
130 /* int hashCode() */
131 public void testHashCode() throws Exception {
132 TestBuilder b = factory.getBuilder();
133
134 Interface I = b.intf("I")
135 .defaultMethod("hashCode", "()I")
136 .throw_(TestFailure.class)
137 .build()
138 .build();
139
140 ConcreteClass C = b.clazz("C").implement(I).build();
141
142 ClassLoader cl = b.build();
143 Object c = cl.loadClass("C").newInstance();
144
145 c.hashCode();
146 }
147
148
149 /* final void notify() */
150 public void testNotify() throws Exception {
151 TestBuilder b = factory.getBuilder();
152
153 Interface I = b.intf("I")
154 .defaultMethod("notify", "()V")
155 .throw_(TestFailure.class)
156 .build()
157 .build();
158
159 ConcreteClass C = b.clazz("C").implement(I).build();
160
161 b.test().loadClass(I).throws_(VerifyError.class).done()
162 .run();
163 }
164
165 /* void notifyAll() */
166 public void testNotifyAll() throws Exception {
167 TestBuilder b = factory.getBuilder();
168
169 Interface I = b.intf("I")
170 .defaultMethod("notifyAll", "()V")
171 .throw_(TestFailure.class)
172 .build()
173 .build();
174
175 ConcreteClass C = b.clazz("C").implement(I).build();
176
177 b.test().loadClass(I).throws_(VerifyError.class).done()
178 .run();
179 }
180
181 /* String toString() */
182 public void testToString() throws Exception {
183 TestBuilder b = factory.getBuilder();
184
185 Interface I = b.intf("I")
186 .defaultMethod("toString()", "()Ljava/lang/String;")
187 .throw_(TestFailure.class)
188 .build()
189 .build();
190
191 ConcreteClass C = b.clazz("C").implement(I).build();
192
193 ClassLoader cl = b.build();
194 Object c = cl.loadClass("C").newInstance();
195
196 c.toString();
197 }
198
199 /* final void wait() */
200 public void testWait() throws Exception {
201 TestBuilder b = factory.getBuilder();
202
203 Interface I = b.intf("I")
204 .defaultMethod("wait", "()V")
205 .throw_(TestFailure.class)
206 .build()
207 .build();
208
209 ConcreteClass C = b.clazz("C").implement(I).build();
210
211 b.test().loadClass(I).throws_(VerifyError.class).done()
212 .run();
213 }
214
215 /* final void wait(long timeout) */
216 public void testTimedWait() throws Exception {
217 TestBuilder b = factory.getBuilder();
218
219 Interface I = b.intf("I")
220 .defaultMethod("wait", "(J)V")
221 .throw_(TestFailure.class)
222 .build()
223 .build();
224
225 ConcreteClass C = b.clazz("C").implement(I).build();
226
227 b.test().loadClass(I).throws_(VerifyError.class).done()
228 .run();
229 }
230
231 /* final void wait(long timeout, int nanos) */
232 public void testTimedWait1() throws Exception {
233 TestBuilder b = factory.getBuilder();
234
235 Interface I = b.intf("I")
236 .defaultMethod("wait", "(JI)V")
237 .throw_(TestFailure.class)
238 .build()
239 .build();
240
241 ConcreteClass C = b.clazz("C").implement(I).build();
242
243 b.test().loadClass(I).throws_(VerifyError.class).done()
244 .run();
245 }
246 }