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