Quelle T8056014.java Sprache: JAVA

/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/**
* @test
* @bug 8056014
* @summary Verify that full type inference is used when calling a method on a type variable.
* @compile T8056014.java
* @run main T8056014
*/

import java.util.*;

public class T8056014 {
    public static void main(String[] args) {
        new T8056014().run();
    }

    void run() {
        List<S> l = Arrays.asList(new S());
        C<S> c = new C<>(new S());
        foo(l.get(0).copy(1));
        foo(c.get(0).copy(1));
    }

    void foo(S d) {
    }
}

class B {
    public B copy(long j) {
        throw new AssertionError("Should not get here.");
    }
}

class S extends B {
    public <T> T copy(int i) {
        return null;
    }
}

class C<T extends B> {
    final T t;
    public C(T t) {
        this.t = t;
    }
    public T get(int i) {
        return t;
    }
}

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