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. The -Xcomp run is a special 30 * regression test for a compiler assertion that would fire when 31 * "loading" a nest-top class. 32 * @compile -XDdisablePrivateAccessors TestInvokeSpecial.java 33 * @run main TestInvokeSpecial 34 * @run main/othervm -Xcomp TestInvokeSpecial 35 */ 36 37 public class TestInvokeSpecial { 38 39 // All constructors are private to ensure nestmate access checks apply 40 41 // All doConstruct methods are public so they don't involve invoke_special 42 43 private TestInvokeSpecial() {} 44 45 // The various nestmates 46 47 static interface StaticIface { 48 49 // Methods that will access private constructors of nestmates. 50 // The arg is a dummy for overloading purposes 51 52 default void doConstruct(TestInvokeSpecial o) { 53 Object obj = new TestInvokeSpecial(); 54 } 55 default void doConstruct(InnerNested o) { 56 Object obj = new TestInvokeSpecial().new InnerNested(); 57 } 58 default void doConstruct(StaticNested o) { 59 Object obj = new StaticNested(); 60 } 61 default void doConstruct(StaticIface o) { 62 Object obj = new StaticIface() {}; 63 } 64 } 65 66 static class StaticNested { 67 68 private StaticNested() {} 69 70 // Methods that will access private constructors of nestmates. 71 // The arg is a dummy for overloading purposes 72 73 public void doConstruct(TestInvokeSpecial o) { 74 Object obj = new TestInvokeSpecial(); 75 } 76 public void doConstruct(InnerNested o) { 77 Object obj = new TestInvokeSpecial().new InnerNested(); 78 } 79 public void doConstruct(StaticNested o) { 80 Object obj = new StaticNested(); 81 } 82 public void doConstruct(StaticIface o) { 83 Object obj = new StaticIface() {}; 84 } 85 } 86 87 class InnerNested { 88 89 private InnerNested() {} 90 91 // Methods that will access private constructors of nestmates. 92 // The arg is a dummy for overloading purposes 93 94 public void doConstruct(TestInvokeSpecial o) { 95 Object obj = new TestInvokeSpecial(); 96 } 97 public void doConstruct(InnerNested o) { 98 Object obj = new TestInvokeSpecial().new InnerNested(); 99 } 100 public void doConstruct(StaticNested o) { 101 Object obj = new StaticNested(); 102 } 103 public void doConstruct(StaticIface o) { 104 Object obj = new StaticIface() {}; 105 } 106 } 107 108 public static void main(String[] args) { 109 // These initial constructions test nest-top access 110 TestInvokeSpecial o = new TestInvokeSpecial(); 111 StaticNested s = new StaticNested(); 112 InnerNested i = o.new InnerNested(); 113 StaticIface intf = new StaticIface() {}; 114 115 s.doConstruct(o); 116 s.doConstruct(i); 117 s.doConstruct(s); 118 s.doConstruct(intf); 119 120 i.doConstruct(o); 121 i.doConstruct(i); 122 i.doConstruct(s); 123 i.doConstruct(intf); 124 125 intf.doConstruct(o); 126 intf.doConstruct(i); 127 intf.doConstruct(s); 128 intf.doConstruct(intf); 129 } 130 }