Mon, 07 Mar 2011 14:31:50 +0000
7020044: Project Coin: diamond erroneous allowed on some anonymous inner classes
Summary: Disallow diamond on anonymous innner class creation expression (as per JSR 334's EDR)
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2010, 2011, 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 */
24 /*
25 * @test
26 * @bug 6939620 7020044
27 *
28 * @summary basic test for diamond (simple/qualified type-expressions)
29 * @author mcimadamore
30 * @compile Pos02.java
31 * @run main Pos02
32 */
34 public class Pos02 {
36 static class Foo<X> {
37 Foo(X x) {}
38 <Z> Foo(X x, Z z) {}
39 }
41 void testSimple() {
42 Foo<Integer> f1 = new Foo<>(1);
43 Foo<? extends Integer> f2 = new Foo<>(1);
44 Foo<?> f3 = new Foo<>(1);
45 Foo<? super Integer> f4 = new Foo<>(1);
47 Foo<Integer> f5 = new Foo<>(1, "");
48 Foo<? extends Integer> f6 = new Foo<>(1, "");
49 Foo<?> f7 = new Foo<>(1, "");
50 Foo<? super Integer> f8 = new Foo<>(1, "");
51 }
53 void testQualified() {
54 Foo<Integer> f1 = new Pos02.Foo<>(1);
55 Foo<? extends Integer> f2 = new Pos02.Foo<>(1);
56 Foo<?> f3 = new Pos02.Foo<>(1);
57 Foo<? super Integer> f4 = new Pos02.Foo<>(1);
59 Foo<Integer> f5 = new Pos02.Foo<>(1, "");
60 Foo<? extends Integer> f6 = new Pos02.Foo<>(1, "");
61 Foo<?> f7 = new Pos02.Foo<>(1, "");
62 Foo<? super Integer> f8 = new Pos02.Foo<>(1, "");
63 }
65 public static void main(String[] args) {
66 Pos02 p2 = new Pos02();
67 p2.testSimple();
68 p2.testQualified();
69 }
70 }