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