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 */
23
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 */
30class MostSpecific08 {
31
32    static class C {
33        int getInt() { return -1; }
34        Integer getInteger() { return -1; }
35    }
36
37    interface IntResult { }
38    interface ReferenceResult<X> { }
39
40    interface PrimitiveFunction {
41        int f(C c);
42    }
43
44    interface ReferenceFunction<X> {
45        X f(C c);
46    }
47
48    interface Tester {
49        IntResult apply(PrimitiveFunction p);
50        <Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p);
51    }
52
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    }
57
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}
65