122 lines
4.9 KiB
Java
122 lines
4.9 KiB
Java
/*
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* Copyright (c) 2017, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8046171
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* @summary Test access to private constructors between nestmates and nest-host
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* using different flavours of named nested types using core reflection
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* @run main TestReflection
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*/
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// The first run will use NativeConstructorAccessor and due to the limited
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// number of calls we will not reach the inflation threshold.
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// The second run disables inflation so we will use the
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// GeneratedConstructorAccessor instead.
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// In this way both sets of Reflection classes are tested.
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public class TestReflection {
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// All constructors are private to ensure nestmate access checks apply
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// All doConstruct methods are public so they don't involve invoke_special
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private TestReflection() {}
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// The various nestmates
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// Note: No constructor on interfaces so no StaticIface variants
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static interface StaticIface {
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// Methods that will access private constructors of nestmates.
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default void doConstruct(TestReflection o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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default void doConstruct(TestReflection tr, InnerNested o) throws Throwable {
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Object obj = InnerNested.class.getDeclaredConstructor(new Class<?>[] {TestReflection.class}).newInstance(new Object[] { tr });
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}
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default void doConstruct(StaticNested o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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}
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static class StaticNested {
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private StaticNested() {}
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// Methods that will access private constructors of nestmates.
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// The arg is a dummy for overloading purposes
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public void doConstruct(TestReflection o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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public void doConstruct(TestReflection tr, InnerNested o) throws Throwable {
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Object obj = InnerNested.class.getDeclaredConstructor(new Class<?>[] {TestReflection.class}).newInstance(new Object[] { tr });
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}
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public void doConstruct(StaticNested o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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}
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class InnerNested {
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private InnerNested() {}
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// Methods that will access private constructors of nestmates.
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// The arg is a dummy for overloading purposes
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public void doConstruct(TestReflection o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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public void doConstruct(TestReflection tr, InnerNested o) throws Throwable {
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Object obj = InnerNested.class.getDeclaredConstructor(new Class<?>[] {TestReflection.class}).newInstance(new Object[] { tr });
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}
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public void doConstruct(StaticNested o) throws Throwable {
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Object obj = o.getClass().getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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}
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}
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public static void main(String[] args) throws Throwable {
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// These initial constructions test nest-host access
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TestReflection o = TestReflection.class.getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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StaticNested s = StaticNested.class.getDeclaredConstructor(new Class<?>[0]).newInstance(new Object[0]);
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InnerNested i = InnerNested.class.getDeclaredConstructor(new Class<?>[] {TestReflection.class}).newInstance(new Object[] { o });
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StaticIface intf = new StaticIface() {};
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s.doConstruct(o);
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s.doConstruct(o, i);
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s.doConstruct(s);
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i.doConstruct(o);
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i.doConstruct(o, i);
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i.doConstruct(s);
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intf.doConstruct(o);
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intf.doConstruct(o, i);
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intf.doConstruct(s);
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}
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}
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