| /* |
| * Copyright (c) 2013, 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 |
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| */ |
| |
| /* |
| * @test |
| * @bug 8008813 |
| * @summary Structural most specific fails when method reference is passed to overloaded method |
| * @compile/fail/ref=MostSpecific08.out -XDrawDiagnostics MostSpecific08.java |
| */ |
| class MostSpecific08 { |
| |
| static class C { |
| int getInt() { return -1; } |
| Integer getInteger() { return -1; } |
| } |
| |
| interface IntResult { } |
| interface ReferenceResult<X> { } |
| |
| interface PrimitiveFunction { |
| int f(C c); |
| } |
| |
| interface ReferenceFunction<X> { |
| X f(C c); |
| } |
| |
| interface Tester { |
| IntResult apply(PrimitiveFunction p); |
| <Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p); |
| } |
| |
| void testMref(Tester t) { |
| IntResult pr = t.apply(C::getInt); //ok - unoverloaded mref |
| ReferenceResult<Integer> rr = t.apply(C::getInteger); //ok - unoverloaded mref |
| } |
| |
| void testLambda(Tester t) { |
| IntResult pr1 = t.apply(c->c.getInt()); //ambiguous - implicit |
| IntResult pr2 = t.apply((C c)->c.getInt()); //ok |
| ReferenceResult<Integer> rr1 = t.apply(c->c.getInteger()); //ambiguous - implicit |
| ReferenceResult<Integer> rr2 = t.apply((C c)->c.getInteger()); //ok |
| } |
| } |