test/tools/javac/generics/wildcards/T8051402/WildcardAndCAPSubtypeTest.java

changeset 2548
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1 /*
2 * Copyright (c) 2014, 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 * @bug 8051402
27 * @summary javac, type containment should accept that CAP <= ? extends CAP and CAP <= ? super CAP
28 * @compile WildcardAndCAPSubtypeTest.java
29 */
30
31 import java.util.List;
32
33 public abstract class WildcardAndCAPSubtypeTest {
34 abstract <T> List<T> copyOf(List<? extends T> lx);
35 abstract <E> List<E> filter(List<E> lx);
36
37 void g(List<?> lx) {
38 copyOf(filter(lx));
39 }
40 }

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