Mon, 19 Jun 2017 14:51:25 -0700
Added tag jdk8u151-b02 for changeset 732e1bab2660
1 /*
2 * Copyright (c) 2013, 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 */
24 /*
25 * @test
26 * @bug 8008813
27 * @summary Structural most specific fails when method reference is passed to overloaded method
28 * @compile/fail/ref=MostSpecific08.out -XDrawDiagnostics MostSpecific08.java
29 */
30 class MostSpecific08 {
32 static class C {
33 int getInt() { return -1; }
34 Integer getInteger() { return -1; }
35 }
37 interface IntResult { }
38 interface ReferenceResult<X> { }
40 interface PrimitiveFunction {
41 int f(C c);
42 }
44 interface ReferenceFunction<X> {
45 X f(C c);
46 }
48 interface Tester {
49 IntResult apply(PrimitiveFunction p);
50 <Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p);
51 }
53 void testMref(Tester t) {
54 IntResult pr = t.apply(C::getInt); //ok - unoverloaded mref
55 ReferenceResult<Integer> rr = t.apply(C::getInteger); //ok - unoverloaded mref
56 }
58 void testLambda(Tester t) {
59 IntResult pr1 = t.apply(c->c.getInt()); //ambiguous - implicit
60 IntResult pr2 = t.apply((C c)->c.getInt()); //ok
61 ReferenceResult<Integer> rr1 = t.apply(c->c.getInteger()); //ambiguous - implicit
62 ReferenceResult<Integer> rr2 = t.apply((C c)->c.getInteger()); //ok
63 }
64 }