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 fields between nestmates and nest-top
28 * using different flavours of named nested types using core reflection
29 * @run main TestReflection
30 */
31
32 import java.lang.reflect.Field;
33
34 public class TestReflection {
35
36 // Private field of nest-top for nestmates to access
37 private int priv_field;
38
39 // public constructor so we aren't relying on private access
40 public TestReflection() {}
41
42 // Methods that will access private fields of nestmates
43
44 // NOTE: No StaticIface variants as interfaces can't have instance fields
45
46 void access_priv(TestReflection o) throws Throwable {
47 Field f = o.getClass().getDeclaredField("priv_field");
48 this.priv_field = f.getInt(o);
49 f.setInt(o, 2);
50 }
51 void access_priv(InnerNested o) throws Throwable {
52 Field f = o.getClass().getDeclaredField("priv_field");
53 this.priv_field = f.getInt(o);
54 f.setInt(o, 2);
55 }
56 void access_priv(StaticNested o) throws Throwable {
57 Field f = o.getClass().getDeclaredField("priv_field");
58 this.priv_field = f.getInt(o);
59 f.setInt(o, 2);
60 }
61
62 // The various nestmates
63
64 static interface StaticIface {
65
66 // Methods that will access private fields of nestmates
67
68 default void access_priv(TestReflection o) throws Throwable {
69 Field f = o.getClass().getDeclaredField("priv_field");
70 int priv_field = f.getInt(o);
71 f.setInt(o, 2);
72 }
73 default void access_priv(InnerNested o) throws Throwable {
74 Field f = o.getClass().getDeclaredField("priv_field");
75 int priv_field = f.getInt(o);
76 f.setInt(o, 2);
77 }
78 default void access_priv(StaticNested o) throws Throwable {
79 Field f = o.getClass().getDeclaredField("priv_field");
80 int priv_field = f.getInt(o);
81 f.setInt(o, 2);
82 }
83 }
84
85 static class StaticNested {
86
87 private int priv_field;
88
89 // public constructor so we aren't relying on private access
90 public StaticNested() {}
91
92 // Methods that will access private fields of nestmates
93
94 void access_priv(TestReflection o) throws Throwable {
95 Field f = o.getClass().getDeclaredField("priv_field");
96 this.priv_field = f.getInt(o);
97 f.setInt(o, 2);
98 }
99 void access_priv(InnerNested o) throws Throwable {
100 Field f = o.getClass().getDeclaredField("priv_field");
101 this.priv_field = f.getInt(o);
102 f.setInt(o, 2);
103 }
104 void access_priv(StaticNested o) throws Throwable {
105 Field f = o.getClass().getDeclaredField("priv_field");
106 this.priv_field = f.getInt(o);
107 f.setInt(o, 2);
108 }
109 }
110
111 class InnerNested {
112
113 private int priv_field;
114
115 // public constructor so we aren't relying on private access
116 public InnerNested() {}
117
118 void access_priv(TestReflection o) throws Throwable {
119 Field f = o.getClass().getDeclaredField("priv_field");
120 this.priv_field = f.getInt(o);
121 f.setInt(o, 2);
122 }
123 void access_priv(InnerNested o) throws Throwable {
124 Field f = o.getClass().getDeclaredField("priv_field");
125 this.priv_field = f.getInt(o);
126 f.setInt(o, 2);
127 }
128 void access_priv(StaticNested o) throws Throwable {
129 Field f = o.getClass().getDeclaredField("priv_field");
130 this.priv_field = f.getInt(o);
131 f.setInt(o, 2);
132 }
133 }
134
135 public static void main(String[] args) throws Throwable {
136 TestReflection o = new TestReflection();
137 StaticNested s = new StaticNested();
138 InnerNested i = o.new InnerNested();
139 StaticIface intf = new StaticIface() {};
140
141 o.access_priv(new TestReflection());
142 o.access_priv(i);
143 o.access_priv(s);
144
145 s.access_priv(o);
146 s.access_priv(i);
147 s.access_priv(new StaticNested());
148
149 i.access_priv(o);
150 i.access_priv(o.new InnerNested());
151 i.access_priv(s);
152
153 intf.access_priv(o);
154 intf.access_priv(i);
155 intf.access_priv(s);
156 }
157 }