Wed, 09 Apr 2008 15:30:44 +0100
6559182: Cast from a raw type with non-generic supertype to a raw type fails unexpectedly
Summary: Javac doesn't conform to JLS 4.8 - all the supertypes of a raw type must be erased
Reviewed-by: jjg
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 21 | * have any questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | /* |
duke@1 | 25 | * @test |
duke@1 | 26 | * @summary Test subtyping for wildcards with the same type bound. |
duke@1 | 27 | * |
duke@1 | 28 | * @compile -source 1.5 AssignmentSameType1.java |
duke@1 | 29 | */ |
duke@1 | 30 | |
duke@1 | 31 | public class AssignmentSameType1 { |
duke@1 | 32 | |
duke@1 | 33 | public static void main(String[] args) { |
duke@1 | 34 | Ref<B> exact = null; |
duke@1 | 35 | Ref<? extends B> ebound = null; |
duke@1 | 36 | Ref<? super B> sbound = null; |
duke@1 | 37 | Ref<?> unbound = null; |
duke@1 | 38 | |
duke@1 | 39 | ; exact = exact; // <<pass>> <A> = <A> |
duke@1 | 40 | |
duke@1 | 41 | ebound = exact; // <<pass>> <? extends A> = <A> |
duke@1 | 42 | ebound = ebound; // <<pass>> <? extends A> = <? extends A> |
duke@1 | 43 | |
duke@1 | 44 | sbound = exact; // <<pass>> <? super A> = <A> |
duke@1 | 45 | sbound = sbound; // <<pass>> <? super A> = <? super A> |
duke@1 | 46 | |
duke@1 | 47 | unbound = exact; // <<pass>> <?> = <A> |
duke@1 | 48 | unbound = ebound; // <<pass>> <?> = <? extends A> |
duke@1 | 49 | unbound = sbound; // <<pass>> <?> = <? super A> |
duke@1 | 50 | unbound = unbound; // <<pass>> <?> = <?> |
duke@1 | 51 | } |
duke@1 | 52 | } |
duke@1 | 53 | |
duke@1 | 54 | class Ref<A> {} |
duke@1 | 55 | class B {} |