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 static methods between nestmates and nest-top
28 * using different flavours of named nested types using core reflection
29 * @compile -XDdisablePrivateAccessors TestReflection.java
30 * @run main TestReflection
31 */
32
33 public class TestReflection {
34
35 // Private method of nest-top for nestmates to access
36 private static void priv_static_invoke() {
37 System.out.println("TestReflection::priv_static_invoke");
38 }
39
40 // public constructor so we aren't relying on private access
41 public TestReflection() {}
42
43 // Methods that will access private static methods of nestmates
44
45 // NOTE: No InnerNested calls in this test because non-static nested types
46 // can't have static methods
47
48 void access_priv(TestReflection o) throws Throwable {
49 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
50 }
51 void access_priv(StaticNested o) throws Throwable {
52 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
53 }
54 void access_priv(StaticIface o) throws Throwable {
55 StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
56 }
57
58 // The various nestmates
59
60 static interface StaticIface {
61
62 private static void priv_static_invoke() {
63 System.out.println("StaticIface::priv_static_invoke");
64 }
65
66 // Methods that will access private static methods of nestmates
67
68 default void access_priv(TestReflection o) throws Throwable {
69 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
70 }
71 default void access_priv(StaticNested o) throws Throwable {
72 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
73 }
74 default void access_priv(StaticIface o) throws Throwable {
75 StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
76 }
77 }
78
79 static class StaticNested {
80
81 private static void priv_static_invoke() {
82 System.out.println("StaticNested::priv_static_invoke");
83 }
84
85 // public constructor so we aren't relying on private access
86 public StaticNested() {}
87
88 // Methods that will access private static methods of nestmates
89
90 void access_priv(TestReflection o) throws Throwable {
91 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
92 }
93 void access_priv(StaticNested o) throws Throwable {
94 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
95 }
96 void access_priv(StaticIface o) throws Throwable {
97 StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
98 }
99 }
100
101 class InnerNested {
102
103 // public constructor so we aren't relying on private access
104 public InnerNested() {}
105
106 void access_priv(TestReflection o) throws Throwable {
107 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
108 }
109 void access_priv(StaticNested o) throws Throwable {
110 o.getClass().getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
111 }
112 void access_priv(StaticIface o) throws Throwable {
113 StaticIface.class.getDeclaredMethod("priv_static_invoke", new Class<?>[0]).invoke(null, new Object[0]);
114 }
115 }
116
117 public static void main(String[] args) throws Throwable {
118 TestReflection o = new TestReflection();
119 StaticNested s = new StaticNested();
120 InnerNested i = o.new InnerNested();
121 StaticIface intf = new StaticIface() {};
122
123 o.access_priv(new TestReflection());
124 o.access_priv(s);
125 o.access_priv(intf);
126
127 s.access_priv(o);
128 s.access_priv(new StaticNested());
129 s.access_priv(intf);
130
131 i.access_priv(o);
132 i.access_priv(s);
133 i.access_priv(intf);
134
135 intf.access_priv(o);
136 intf.access_priv(s);
137 intf.access_priv(new StaticIface(){});
138 }
139 }