test/tools/javac/generics/RelaxedArrays.java

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1 /*
2 * Copyright (c) 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 */
23
24 /*
25 * @test
26 * @bug 5009693
27 * @summary relaxed rules for array of generic type and varargs.
28 * @author gafter
29 *
30 * @compile RelaxedArrays.java
31 * @run main RelaxedArrays
32 */
33
34 import java.util.ArrayList;
35 import java.util.List;
36
37 public class RelaxedArrays {
38 static class StringList extends ArrayList<String> {
39 }
40
41 static <T> T select(T... tl) {
42 return tl.length == 0 ? null : tl[tl.length - 1];
43 }
44
45 public static void main(String[] args) {
46 List<String>[] a = new StringList[20];
47 if (select("A", "B", "C") != "C") throw new Error();
48 }
49 }

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