langtools/test/tools/javac/generics/inference/6650759/T6650759b.java
author mcimadamore
Tue, 01 Sep 2009 14:53:39 +0100
changeset 3778 38a70273507b
child 5520 86e4b9a9da40
permissions -rw-r--r--
6650759: Inference of formal type parameter (unused in formal parameters) is not performed Summary: propagate inference constraints from 15.12.2.7 to 15.12.2.8 Reviewed-by: jjg
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/*
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 * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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/*
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 * @test
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 * @bug     6650759
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 * @author  mcimadamore
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 * @summary Inference of formal type parameter (unused in formal parameters) is not performed
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 * @compile T6650759b.java
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 */
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public class T6650759b {
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    interface A<X extends A<X, Y>, Y extends B<X>> {}
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    static class B<X extends A<X, ?>> {}
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    interface C<X extends A<X, Y>, Y extends B<X>> {}
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    interface D<X extends A<X, Y>, Y extends B<X>> {}
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    static class E<X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>> implements D<X, Y> {
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        static <X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>> D<X, Y> of(W w) {
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            return null;
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        }
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    }
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    <X extends A<X, Y>, Y extends B<X>, W extends C<X, Y>, Z extends D<X, Y>> Z test(W w) {
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        return (Z) E.of(w);
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    }
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}