langtools/test/tools/javac/inference/EagerReturnTypeResolution/EagerReturnTypeResolutionTesta.java
author vromero
Thu, 01 May 2014 20:36:11 +0100
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8030741: Inference: implement eager resolution of return types, consistent with JDK-8028800 Reviewed-by: dlsmith, jjg
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/*
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 * Copyright (c) 2014, 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.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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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 8030741
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 * @summary Inference: implement eager resolution of return types, consistent with JDK-8028800
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 * @compile EagerReturnTypeResolutionTesta.java
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 */
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public class EagerReturnTypeResolutionTesta {
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    abstract class Test1<T>{
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        abstract <S> S foo(S x, S y);
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        <S extends Number & Comparable<? extends Number>> void baz(Test1<S> a){}
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        void bar(Test1<Long> x, Test1<Integer> y){
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            baz(foo(x, y));
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        }
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    }
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    abstract class Test2<T>{
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        abstract <S> S foo(S x, S y);
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        abstract <S1> void baz(Test2<S1> a);
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        void bar(Test2<Integer> y, Test2<Long> x){
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             baz(foo(x, y));
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        }
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    }
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    abstract class Test3<T>{
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        abstract <S> S foo(S x, S y);
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        <T extends Number & Comparable<?>,
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                S extends Number & Comparable<? extends T>> void baz(Test3<S> a){}
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        void bar(Test3<Long> x, Test3<Integer> y){
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            baz(foo(x, y));
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        }
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    }
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    abstract class Test4 {
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        abstract class A0<T> {}
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        abstract class A1<T> extends A0<T> {}
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        abstract class A2<T> extends A0<T> {}
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        abstract <S> S foo(S x, S y);
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        abstract <S1> void baz(A0<S1> a);
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        void bar(A2<Integer> y, A1<Long> x){
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             baz(foo(x, y));
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        }
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    }
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}