1 /*
2 * Copyright (c) 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 /*
25 * @test
26 * @bug 8046171
27 * @summary Test JNI access to private methods between nestmates and nest-host
28 * using different flavours of named nested types
29 * @compile ../NestmatesJNI.java
30 * @run main/othervm/native TestJNI
31 * @run main/othervm/native -Xcheck:jni TestJNI
32 */
33 public class TestJNI {
34
35 // Unlike reflection, the calling context is not relevant to JNI
36 // calls, but we keep the same structure as the reflection tests.
37
38 static final String METHOD = "priv_invoke";
39
40 // Private method of nest-host for nestmates to access
41 private void priv_invoke() {
42 System.out.println("TestJNI::priv_invoke");
43 }
44
45 // public constructor so we aren't relying on private access
46 public TestJNI() {}
47
48 // Methods that will access private methods of nestmates
49
50 void access_priv(TestJNI o) {
51 doCall(o, o.getClass(), METHOD, true);
52 doCall(o, o.getClass(), METHOD, false);
53 }
54 void access_priv(InnerNested o) {
55 doCall(o, o.getClass(), METHOD, true);
56 doCall(o, o.getClass(), METHOD, false);
57 }
58 void access_priv(StaticNested o) {
59 doCall(o, o.getClass(), METHOD, true);
60 doCall(o, o.getClass(), METHOD, false);
61 }
62 void access_priv(StaticIface o) {
63 // Can't use o.getClass() as the method is not in that class
64 doCall(o, StaticIface.class, METHOD, true);
65 doCall(o, StaticIface.class, METHOD, false);
66 }
67
68 // The various nestmates
69
70 static interface StaticIface {
71
72 private void priv_invoke() {
73 System.out.println("StaticIface::priv_invoke");
74 }
75
76 // Methods that will access private methods of nestmates
77
78 default void access_priv(TestJNI o) {
79 doCall(o, o.getClass(), METHOD, true);
80 doCall(o, o.getClass(), METHOD, false);
81 }
82 default void access_priv(InnerNested o) {
83 doCall(o, o.getClass(), METHOD, true);
84 doCall(o, o.getClass(), METHOD, false);
85 }
86 default void access_priv(StaticNested o) {
87 doCall(o, o.getClass(), METHOD, true);
88 doCall(o, o.getClass(), METHOD, false);
89 }
90 default void access_priv(StaticIface o) {
91 // Can't use o.getClass() as the method is not in that class
92 doCall(o, StaticIface.class, METHOD, true);
93 doCall(o, StaticIface.class, METHOD, false);
94 }
95 }
96
97 static class StaticNested {
98
99 private void priv_invoke() {
100 System.out.println("StaticNested::priv_invoke");
101 }
102
103 // public constructor so we aren't relying on private access
104 public StaticNested() {}
105
106 // Methods that will access private methods of nestmates
107
108 void access_priv(TestJNI o) {
109 doCall(o, o.getClass(), METHOD, true);
110 doCall(o, o.getClass(), METHOD, false);
111 }
112 void access_priv(InnerNested o) {
113 doCall(o, o.getClass(), METHOD, true);
114 doCall(o, o.getClass(), METHOD, false);
115 }
116 void access_priv(StaticNested o) {
117 doCall(o, o.getClass(), METHOD, true);
118 doCall(o, o.getClass(), METHOD, false);
119 }
120 void access_priv(StaticIface o) {
121 // Can't use o.getClass() as the method is not in that class
122 doCall(o, StaticIface.class, METHOD, true);
123 doCall(o, StaticIface.class, METHOD, false);
124 }
125 }
126
127 class InnerNested {
128
129 private void priv_invoke() {
130 System.out.println("InnerNested::priv_invoke");
131 }
132
133 // public constructor so we aren't relying on private access
134 public InnerNested() {}
135
136 void access_priv(TestJNI o) {
137 doCall(o, o.getClass(), METHOD, true);
138 doCall(o, o.getClass(), METHOD, false);
139 }
140 void access_priv(InnerNested o) {
141 doCall(o, o.getClass(), METHOD, true);
142 doCall(o, o.getClass(), METHOD, false);
143 }
144 void access_priv(StaticNested o) {
145 doCall(o, o.getClass(), METHOD, true);
146 doCall(o, o.getClass(), METHOD, false);
147 }
148 void access_priv(StaticIface o) {
149 // Can't use o.getClass() as the method is not in that class
150 doCall(o, StaticIface.class, METHOD, true);
151 doCall(o, StaticIface.class, METHOD, false);
152 }
153 }
154
155 public static void main(String[] args) {
156 TestJNI o = new TestJNI();
157 StaticNested s = new StaticNested();
158 InnerNested i = o.new InnerNested();
159 StaticIface intf = new StaticIface() {};
160
161 o.access_priv(new TestJNI());
162 o.access_priv(i);
163 o.access_priv(s);
164 o.access_priv(intf);
165
166 s.access_priv(o);
167 s.access_priv(i);
168 s.access_priv(new StaticNested());
169 s.access_priv(intf);
170
171 i.access_priv(o);
172 i.access_priv(o.new InnerNested());
173 i.access_priv(s);
174 i.access_priv(intf);
175
176 intf.access_priv(o);
177 intf.access_priv(i);
178 intf.access_priv(s);
179 intf.access_priv(new StaticIface(){});
180 }
181
182
183 static void doCall(Object target, Class<?> klass, String method,
184 boolean virtual) {
185 String definingClass = klass.getName();
186 String desc = (virtual ? "Virtual" : "Nonvirtual") + " Invocation of " +
187 definingClass + "." + method + " on instance of class " +
188 target.getClass().getName();
189 try {
190 NestmatesJNI.callVoidVoid(target, definingClass, method, virtual);
191 System.out.println(desc + " - passed");
192 }
193 catch (Throwable t) {
194 throw new Error(desc + ": Unexpected exception: " + t, t);
195 }
196 }
197 }