test/tools/javac/lambda/MostSpecific05.java

Tue, 12 Mar 2013 16:02:43 +0000

author
mcimadamore
date
Tue, 12 Mar 2013 16:02:43 +0000
changeset 1628
5ddecb91d843
parent 1415
01c9d4161882
child 2000
4a6acc42c3a1
permissions
-rw-r--r--

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
Reviewed-by: jjg

     1 /*
     2  * Copyright (c) 2012, 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 8003280
    27  * @summary Add lambda tests
    28  *  Structural most specific doesn't handle cases with wildcards in functional interfaces
    29  */
    30 public class MostSpecific05 {
    32     static int assertionCount = 0;
    34     static void assertTrue(boolean cond) {
    35         assertionCount++;
    36         if (!cond)
    37             throw new AssertionError();
    38     }
    40     interface ObjectConverter<T extends Object> {
    41         T map(Object o);
    42     }
    44     interface NumberConverter<T extends Number> {
    45         T map(Object o);
    46     }
    48     static class MyMapper<A extends Object, B extends Number> {
    49         void map(ObjectConverter<? extends A> m) { assertTrue(false); }
    50         void map(NumberConverter<? extends B> m) { assertTrue(true); }
    51     }
    53     public static void main(String[] args) {
    54         MyMapper<Number, Double> mm = new MyMapper<Number, Double>();
    55         mm.map(e->1.0);
    56         assertTrue(assertionCount == 1);
    57     }
    58 }

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