/* * 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 8191655 * @summary LambdaConversionException: Invalid receiver type interface; not a subtype of implementation type interface * @run main MethodReferenceIntersectionInducedTest */ import java.util.function.Consumer; public class MethodReferenceIntersectionInducedTest { static String blah; void forAll(Consumer consumer, T... values) { consumer.accept(values[0]); } public void secondTest() { forAll(Picture::draw, new MyPicture(), new Universal()); } interface Shape { void draw(); } interface Marker { } interface Picture { void draw(); } class MyShape implements Marker, Shape { public void draw() { } } class MyPicture implements Marker, Picture { public void draw() { blah = "MyPicture"; } } class Universal implements Marker, Picture, Shape { public void draw() { System.out.println("Universal"); } } public static void main(String[] args) { new MethodReferenceIntersectionInducedTest().secondTest(); if (!blah.equals("MyPicture")) throw new AssertionError("Incorrect output"); } }