1 /*
2 * Copyright (c) 2017, 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 access to private methods between nestmates and nest-top
28 * using different flavours of named nested types using core reflection
29 * @run main TestReflection
30 * @run main/othervm -Dsun.reflect.noInflation=true TestReflection
31 */
32
33 // The first run will use NativeMethodAccessor and due to the limited number
34 // of calls we will not reach the inflation threshold.
35 // The second run disables inflation so we will use the GeneratedMethodAccessor
36 // instead. In this way both sets of Reflection classes are tested.
37
38 public class TestReflection {
39
40 // Private method of nest-top for nestmates to access
41 private void priv_invoke() {
42 System.out.println("TestReflection::priv_invoke");
43 }
44
45 // public constructor so we aren't relying on private access
46 public TestReflection() {}
47
48 // We test access via getClass() as well as Foo.class
49
50 // Methods that will access private methods of nestmates
51
52 void access_priv(TestReflection o) throws Throwable {
53 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
54 TestReflection.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
55 }
56 void access_priv(InnerNested o) throws Throwable {
57 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
58 InnerNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
59 }
60 void access_priv(StaticNested o) throws Throwable {
61 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
62 StaticNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
63 }
64 void access_priv(StaticIface o) throws Throwable {
65 // Can't use o.getClass() as the method is not in that class
66 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
67 }
68
69 // The various nestmates
70
71 static interface StaticIface {
72
73 private void priv_invoke() {
74 System.out.println("StaticIface::priv_invoke");
75 }
76
77 // Methods that will access private methods of nestmates
78
79 default void access_priv(TestReflection o) throws Throwable {
80 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
81 TestReflection.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
82 }
83 default void access_priv(InnerNested o) throws Throwable {
84 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
85 InnerNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
86 }
87 default void access_priv(StaticNested o) throws Throwable {
88 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
89 StaticNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
90 }
91 default void access_priv(StaticIface o) throws Throwable {
92 // Can't use o.getClass() as the method is not in that class
93 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
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(TestReflection o) throws Throwable {
109 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
110 TestReflection.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
111 }
112 void access_priv(InnerNested o) throws Throwable {
113 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
114 InnerNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
115 }
116 void access_priv(StaticNested o) throws Throwable {
117 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
118 StaticNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
119 }
120 void access_priv(StaticIface o) throws Throwable {
121 // Can't use o.getClass() as the method is not in that class
122 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
123 }
124 }
125
126 class InnerNested {
127
128 private void priv_invoke() {
129 System.out.println("InnerNested::priv_invoke");
130 }
131
132 // public constructor so we aren't relying on private access
133 public InnerNested() {}
134
135 void access_priv(TestReflection o) throws Throwable {
136 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
137 TestReflection.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
138 }
139 void access_priv(InnerNested o) throws Throwable {
140 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
141 InnerNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
142 }
143 void access_priv(StaticNested o) throws Throwable {
144 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
145 StaticNested.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
146 }
147 void access_priv(StaticIface o) throws Throwable {
148 // Can't use o.getClass() as the method is not in that class
149 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]);
150 }
151 }
152
153 public static void main(String[] args) throws Throwable {
154 TestReflection o = new TestReflection();
155 StaticNested s = new StaticNested();
156 InnerNested i = o.new InnerNested();
157 StaticIface intf = new StaticIface() {};
158
159 o.access_priv(new TestReflection());
160 o.access_priv(i);
161 o.access_priv(s);
162 o.access_priv(intf);
163
164 s.access_priv(o);
165 s.access_priv(i);
166 s.access_priv(new StaticNested());
167 s.access_priv(intf);
168
169 i.access_priv(o);
170 i.access_priv(o.new InnerNested());
171 i.access_priv(s);
172 i.access_priv(intf);
173
174 intf.access_priv(o);
175 intf.access_priv(i);
176 intf.access_priv(s);
177 intf.access_priv(new StaticIface(){});
178 }
179 }