e609456b0e
Newly added test has an issue: the main class must be public Reviewed-by: kvn, jbachorik, coleenp
75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
/*
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* Copyright (c) 2013, 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 8015436
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* @summary the IK _initial_method_idnum value must be adjusted if overpass methods are added
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* @run main Test8015436
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*
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*/
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/*
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* The test checks that a MemberName for the defaultMethod() is cached in
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* the class MemberNameTable without a crash in the VM fastdebug mode.
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* The original issue was that the InstanceKlass _initial_method_idnum was
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* not adjusted properly when the overpass methods are added to the class.
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* The expected/correct behavior: The test does not crash nor throw any exceptions.
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* All the invocations of the defaultMethod() must be completed successfully.
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*/
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import java.lang.invoke.*;
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interface InterfaceWithDefaultMethod {
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public void someMethod();
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default public void defaultMethod(String str){
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System.out.println("defaultMethod() " + str);
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}
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}
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public class Test8015436 implements InterfaceWithDefaultMethod {
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@Override
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public void someMethod() {
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System.out.println("someMethod() invoked");
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}
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public static void main(String[] args) throws Throwable {
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Test8015436 testObj = new Test8015436();
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testObj.someMethod();
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testObj.defaultMethod("invoked directly");
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MethodHandles.Lookup lookup = MethodHandles.lookup();
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MethodType mt = MethodType.methodType(void.class, String.class);
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MethodHandle mh = lookup.findVirtual(Test8015436.class, "defaultMethod", mt);
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mh.invokeExact(testObj, "invoked via a MethodHandle");
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}
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}
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/*
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* A successful execution gives the output:
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* someMethod() invoked
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* defaultMethod() invoked directly
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* defaultMethod() invoked via a MethodHandle
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*/
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