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 constructors between nestmates and nest-top 28 * using different flavours of named nested types that will 29 * generate invokespecial for the calls 30 * @compile -XDdisablePrivateAccessors TestInvokeSpecial.java 31 * @run main TestInvokeSpecial 32 */ 33 34 public class TestInvokeSpecial { 35 36 // All constructors are private to ensure nestmate access checks apply 37 38 // All doConstruct methods are public so they don't involve invoke_special 39 40 private TestInvokeSpecial() {} 41 42 // The various nestmates 43 44 static interface StaticIface { 45 46 // Methods that will access private constructors of nestmates. 47 // The arg is a dummy for overloading purposes 48 49 default void doConstruct(TestInvokeSpecial o) { 50 Object obj = new TestInvokeSpecial(); 51 } 52 default void doConstruct(InnerNested o) { 53 Object obj = new TestInvokeSpecial().new InnerNested(); 54 } 55 default void doConstruct(StaticNested o) { 56 Object obj = new StaticNested(); 57 } 58 default void doConstruct(StaticIface o) { 59 Object obj = new StaticIface() {}; 60 } 61 } 62 63 static class StaticNested { 64 65 private StaticNested() {} 66 67 // Methods that will access private constructors of nestmates. 68 // The arg is a dummy for overloading purposes 69 70 public void doConstruct(TestInvokeSpecial o) { 71 Object obj = new TestInvokeSpecial(); 72 } 73 public void doConstruct(InnerNested o) { 74 Object obj = new TestInvokeSpecial().new InnerNested(); 75 } 76 public void doConstruct(StaticNested o) { 77 Object obj = new StaticNested(); 78 } 79 public void doConstruct(StaticIface o) { 80 Object obj = new StaticIface() {}; 81 } 82 } 83 84 class InnerNested { 85 86 private InnerNested() {} 87 88 // Methods that will access private constructors of nestmates. 89 // The arg is a dummy for overloading purposes 90 91 public void doConstruct(TestInvokeSpecial o) { 92 Object obj = new TestInvokeSpecial(); 93 } 94 public void doConstruct(InnerNested o) { 95 Object obj = new TestInvokeSpecial().new InnerNested(); 96 } 97 public void doConstruct(StaticNested o) { 98 Object obj = new StaticNested(); 99 } 100 public void doConstruct(StaticIface o) { 101 Object obj = new StaticIface() {}; 102 } 103 } 104 105 public static void main(String[] args) { 106 // These initial constructions test nest-top access 107 TestInvokeSpecial o = new TestInvokeSpecial(); 108 StaticNested s = new StaticNested(); 109 InnerNested i = o.new InnerNested(); 110 StaticIface intf = new StaticIface() {}; 111 112 s.doConstruct(o); 113 s.doConstruct(i); 114 s.doConstruct(s); 115 s.doConstruct(intf); 116 117 i.doConstruct(o); 118 i.doConstruct(i); 119 i.doConstruct(s); 120 i.doConstruct(intf); 121 122 intf.doConstruct(o); 123 intf.doConstruct(i); 124 intf.doConstruct(s); 125 intf.doConstruct(intf); 126 } 127 }