1/* 2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 8143852 27 * @summary Most specific inference constraints derived from both functional interface method parameters and tparam bounds 28 */ 29 30public class MostSpecific22 { 31 public static void main(String[] args) { 32 new MostSpecific22().test(); 33 } 34 35 interface F1<T> { <X extends T> Object apply(T arg); } 36 interface F2 { <Y extends Number> String apply(Number arg); } 37 38 static <T> T m1(F1<T> f) { 39 throw new AssertionError("Less-specific method invocation."); 40 } 41 static Object m1(F2 f) { return null; } 42 43 static String foo(Object in) { return "a"; } 44 45 void test() { 46 m1(MostSpecific22::foo); 47 } 48 49} 50