Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/generics/wildcards/AssignmentDifferentTypes4.java
test/tools/javac/generics/wildcards/AssignmentDifferentTypes4.java
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| 1 /* | |
| 2 * Copyright (c) 2003, 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 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @summary Test subtyping for wildcards with related type bounds. | |
| 27 * | |
| 28 * @compile/fail AssignmentDifferentTypes4.java | |
| 29 */ | |
| 30 | |
| 31 public class AssignmentDifferentTypes4 { | |
| 32 | |
| 33 public static void main(String[] args) { | |
| 34 Ref<Der> derexact = null; | |
| 35 Ref<Base> baseexact = null; | |
| 36 Ref<? extends Der> derext = null; | |
| 37 Ref<? extends Base> baseext = null; | |
| 38 Ref<? super Der> dersuper = null; | |
| 39 Ref<? super Base> basesuper = null; | |
| 40 | |
| 41 derext = baseext; // <<fail>> <? extends Der> = <? extends Base> | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 class Ref<T> {} | |
| 46 class Base {} | |
| 47 class Der extends Base {} |
