70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
/*
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* Copyright (c) 2014, 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 8032697
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* @summary Issues with Lambda
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*/
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import java.lang.invoke.LambdaMetafactory;
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import java.lang.invoke.LambdaConversionException;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import T8032697_anotherpkg.T8032697_A;
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public class T8032697 extends T8032697_A {
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interface I {
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int m();
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}
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interface IA {
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int m(T8032697_A x);
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}
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static MethodHandles.Lookup l;
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static MethodHandle h;
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private static MethodType mt(Class<?> k) { return MethodType.methodType(k); }
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private static MethodType mt(Class<?> k, Class<?> k2) { return MethodType.methodType(k, k2); }
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private static boolean mf(MethodType mti, MethodType mtf) {
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try {
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LambdaMetafactory.metafactory(l, "m", mti,mtf,h,mtf);
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} catch(LambdaConversionException e) {
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return true;
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}
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return false;
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}
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public static void main(String[] args) throws Throwable {
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l = MethodHandles.lookup();
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h = l.findVirtual(T8032697_A.class, "f", mt(int.class));
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if (mf(mt(I.class, T8032697.class), mt(int.class))) throw new AssertionError("Error: Should work");
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if (mf(mt(IA.class), mt(int.class, T8032697.class))) throw new AssertionError("Error: Should work");
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if (!mf(mt(I.class, T8032697_A.class), mt(int.class))) throw new AssertionError("Error: Should fail");
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if (!mf(mt(IA.class), mt(int.class, T8032697_A.class))) throw new AssertionError("Error: Should fail");
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}
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}
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