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-host 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-host 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 // Methods that will access private methods of nestmates 49 50 void access_priv(TestReflection o) throws Throwable { 51 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 52 } 53 void access_priv(InnerNested o) throws Throwable { 54 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 55 } 56 void access_priv(StaticNested o) throws Throwable { 57 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 58 } 59 void access_priv(StaticIface o) throws Throwable { 60 // Can't use o.getClass() as the method is not in that class 61 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 62 } 63 64 // The various nestmates 65 66 static interface StaticIface { 67 68 private void priv_invoke() { 69 System.out.println("StaticIface::priv_invoke"); 70 } 71 72 // Methods that will access private methods of nestmates 73 74 default void access_priv(TestReflection o) throws Throwable { 75 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 76 } 77 default void access_priv(InnerNested o) throws Throwable { 78 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 79 } 80 default void access_priv(StaticNested o) throws Throwable { 81 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 82 } 83 default void access_priv(StaticIface o) throws Throwable { 84 // Can't use o.getClass() as the method is not in that class 85 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 86 } 87 } 88 89 static class StaticNested { 90 91 private void priv_invoke() { 92 System.out.println("StaticNested::priv_invoke"); 93 } 94 95 // public constructor so we aren't relying on private access 96 public StaticNested() {} 97 98 // Methods that will access private methods of nestmates 99 100 void access_priv(TestReflection o) throws Throwable { 101 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 102 } 103 void access_priv(InnerNested o) throws Throwable { 104 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 105 } 106 void access_priv(StaticNested o) throws Throwable { 107 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 108 } 109 void access_priv(StaticIface o) throws Throwable { 110 // Can't use o.getClass() as the method is not in that class 111 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 112 } 113 } 114 115 class InnerNested { 116 117 private void priv_invoke() { 118 System.out.println("InnerNested::priv_invoke"); 119 } 120 121 // public constructor so we aren't relying on private access 122 public InnerNested() {} 123 124 void access_priv(TestReflection o) throws Throwable { 125 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 126 } 127 void access_priv(InnerNested o) throws Throwable { 128 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 129 } 130 void access_priv(StaticNested o) throws Throwable { 131 o.getClass().getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 132 } 133 void access_priv(StaticIface o) throws Throwable { 134 // Can't use o.getClass() as the method is not in that class 135 StaticIface.class.getDeclaredMethod("priv_invoke", new Class<?>[0]).invoke(o, new Object[0]); 136 } 137 } 138 139 public static void main(String[] args) throws Throwable { 140 TestReflection o = new TestReflection(); 141 StaticNested s = new StaticNested(); 142 InnerNested i = o.new InnerNested(); 143 StaticIface intf = new StaticIface() {}; 144 145 o.access_priv(new TestReflection()); 146 o.access_priv(i); 147 o.access_priv(s); 148 o.access_priv(intf); 149 150 s.access_priv(o); 151 s.access_priv(i); 152 s.access_priv(new StaticNested()); 153 s.access_priv(intf); 154 155 i.access_priv(o); 156 i.access_priv(o.new InnerNested()); 157 i.access_priv(s); 158 i.access_priv(intf); 159 160 intf.access_priv(o); 161 intf.access_priv(i); 162 intf.access_priv(s); 163 intf.access_priv(new StaticIface(){}); 164 } 165 }