--- /dev/null 2018-04-28 00:26:07.190086997 -0400 +++ new/test/hotspot/jtreg/runtime/Nestmates/privateConstructors/TestInvokeSpecial.java 2018-05-18 03:30:59.303355323 -0400 @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8046171 + * @summary Test access to private constructors between nestmates and nest-host + * using different flavours of named nested types that will + * generate invokespecial for the calls. The -Xcomp run is a special + * regression test for a compiler assertion that would fire when + * "loading" a nest-host class. + * @run main TestInvokeSpecial + * @run main/othervm -Xcomp TestInvokeSpecial + */ + +public class TestInvokeSpecial { + + // All constructors are private to ensure nestmate access checks apply + + // All doConstruct methods are public so they don't involve invoke_special + + private TestInvokeSpecial() {} + + // The various nestmates + + static interface StaticIface { + + // Methods that will access private constructors of nestmates. + // The arg is a dummy for overloading purposes + + default void doConstruct(TestInvokeSpecial o) { + Object obj = new TestInvokeSpecial(); + } + default void doConstruct(InnerNested o) { + Object obj = new TestInvokeSpecial().new InnerNested(); + } + default void doConstruct(StaticNested o) { + Object obj = new StaticNested(); + } + default void doConstruct(StaticIface o) { + Object obj = new StaticIface() {}; + } + } + + static class StaticNested { + + private StaticNested() {} + + // Methods that will access private constructors of nestmates. + // The arg is a dummy for overloading purposes + + public void doConstruct(TestInvokeSpecial o) { + Object obj = new TestInvokeSpecial(); + } + public void doConstruct(InnerNested o) { + Object obj = new TestInvokeSpecial().new InnerNested(); + } + public void doConstruct(StaticNested o) { + Object obj = new StaticNested(); + } + public void doConstruct(StaticIface o) { + Object obj = new StaticIface() {}; + } + } + + class InnerNested { + + private InnerNested() {} + + // Methods that will access private constructors of nestmates. + // The arg is a dummy for overloading purposes + + public void doConstruct(TestInvokeSpecial o) { + Object obj = new TestInvokeSpecial(); + } + public void doConstruct(InnerNested o) { + Object obj = new TestInvokeSpecial().new InnerNested(); + } + public void doConstruct(StaticNested o) { + Object obj = new StaticNested(); + } + public void doConstruct(StaticIface o) { + Object obj = new StaticIface() {}; + } + } + + public static void main(String[] args) { + // These initial constructions test nest-host access + TestInvokeSpecial o = new TestInvokeSpecial(); + StaticNested s = new StaticNested(); + InnerNested i = o.new InnerNested(); + StaticIface intf = new StaticIface() {}; + + s.doConstruct(o); + s.doConstruct(i); + s.doConstruct(s); + s.doConstruct(intf); + + i.doConstruct(o); + i.doConstruct(i); + i.doConstruct(s); + i.doConstruct(intf); + + intf.doConstruct(o); + intf.doConstruct(i); + intf.doConstruct(s); + intf.doConstruct(intf); + } +}