test/tools/javac/generics/wildcards/neg/CastFail2.java

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1 /*
2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /*
25 * @test
26 * @bug 4916607
27 * @summary Test casts (legal, warning, and errors)
28 * @author gafter
29 *
30 * @compile/fail -source 1.5 CastFail2.java
31 */
32
33 import java.util.*;
34
35 class CastTest {
36
37 // --- Directly transferring parameters ---
38
39 private class AA<T> { }
40
41 private class AB<T> extends AA<T> { }
42 private class AC<T> extends AA<Vector<T>> { }
43 private class AD<T> extends AA<Vector<? extends T>> { }
44 private class AE<T> extends AA<Vector<? super T>> { }
45 private class AF<T> extends AA<T[]> { }
46 private class AG<T> extends AA<String> { }
47
48 private void parameterTransfer() {
49 Object o;
50
51 o = (AC<String>) (AA<Vector<Number>>) null; // <<fail 2>>
52 }
53
54 }

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