66 lines
2.0 KiB
Java
66 lines
2.0 KiB
Java
/*
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* Copyright (c) 2012, 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 8003280
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* @summary Add lambda tests
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* check that raw qualifier in unbound method reference is inferred from descriptor
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* @run main MethodReference48
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*/
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public class MethodReference48 {
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static int assertionCount = 0;
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static void assertTrue(boolean cond) {
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assertionCount++;
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if (!cond)
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throw new AssertionError();
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}
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static class Foo<X> {
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X m() { return null; };
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}
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interface SAM1 {
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Foo<Object> m(Foo<String> fs);
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}
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interface SAM2 {
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Integer m(Foo<Integer> fi);
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}
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interface SAM3 {
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Object m(Foo<Integer> fi);
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}
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static void g(SAM1 s) { assertTrue(false); } //return type not compatible
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static void g(SAM2 s) { assertTrue(true); } //ok
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static void g(SAM3 s) { assertTrue(false); } //ok but less specific
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public static void main(String[] args) {
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g(Foo::m);
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assertTrue(assertionCount == 1);
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}
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}
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