test/tools/javac/lambda/MostSpecific08.java

Thu, 28 Feb 2013 14:05:44 +0000

author
mcimadamore
date
Thu, 28 Feb 2013 14:05:44 +0000
changeset 1609
332f23993353
child 2000
4a6acc42c3a1
permissions
-rw-r--r--

8008813: Structural most specific fails when method reference is passed to overloaded method
Summary: Bad logic for checking most specific method reference type
Reviewed-by: jjg

     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 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);
    55         ReferenceResult<Integer> rr = t.apply(C::getInteger);
    56     }
    58     void testLambda(Tester t) {
    59         IntResult pr = t.apply(c->c.getInt());
    60         ReferenceResult<Integer> rr = t.apply(c->c.getInteger());
    61     }
    62 }

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