jdk8-mips64-public/langtools: test/tools/javac/generics/odersky/Test.java@4868a36f6fd8

     1 /*

     2  * Copyright (c) 2002, 2004, 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 4736963

    27  * @summary Positive regression test from odersky

    28  * @author odersky

    29  *

    30  * @compile  Test.java

    31  */

    33 class Test {

    35     static <B> List<B> nil() { return new List<B>(); }

    36     static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }

    37     static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }

    38     static <A> A id(A x) { return x; }

    40     public static void main(String[] args) {

    41         List<String> xs = nil();

    42         List<String> ys = cons("abc", Test.<String>nil());

    43         List<String> zs = Test.<String>nil().prepend("abc");

    45         System.out.println(nil());

    46         System.out.println(nil().length());

    48         System.out.println(cons("abc", nil()));

    49         System.out.println(nil().prepend("abc"));

    50         System.out.println(nil().prepend(makeCell(null)));

    51         System.out.println(cons(makeCell(null), nil()));

    53         System.out.println(id(nil()));

    54         System.out.println(id(nil()).length());

    56         System.out.println(cons("abc", id(nil())));

    57         System.out.println(id(nil()).prepend("abc"));

    58         System.out.println(id(nil()).prepend(makeCell(null)));

    59         System.out.println(cons(makeCell(null), id(nil())));

    61         List<String> a =

    62             args.length == 1 ? Test.<String>nil() : Test.<String>nil();

    63         a = (List<String>) Test.<String>nil();

    64     }

    66 }

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