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