65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8008813
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* @summary Structural most specific fails when method reference is passed to overloaded method
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* @compile/fail/ref=MostSpecific08.out -XDrawDiagnostics MostSpecific08.java
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*/
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class MostSpecific08 {
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static class C {
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int getInt() { return -1; }
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Integer getInteger() { return -1; }
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}
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interface IntResult { }
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interface ReferenceResult<X> { }
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interface PrimitiveFunction {
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int f(C c);
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}
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interface ReferenceFunction<X> {
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X f(C c);
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}
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interface Tester {
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IntResult apply(PrimitiveFunction p);
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<Z> ReferenceResult<Z> apply(ReferenceFunction<Z> p);
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}
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void testMref(Tester t) {
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IntResult pr = t.apply(C::getInt); //ok - unoverloaded mref
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ReferenceResult<Integer> rr = t.apply(C::getInteger); //ok - unoverloaded mref
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}
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void testLambda(Tester t) {
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IntResult pr1 = t.apply(c->c.getInt()); //ambiguous - implicit
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IntResult pr2 = t.apply((C c)->c.getInt()); //ok
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ReferenceResult<Integer> rr1 = t.apply(c->c.getInteger()); //ambiguous - implicit
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ReferenceResult<Integer> rr2 = t.apply((C c)->c.getInteger()); //ok
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}
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}
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