DotClass.java revision 1533:bec996065c45 
1/*
2 * Copyright (c) 2009, 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 Class literals are not type uses and cannot be annotated
27 * @author Werner Dietl
28 * @compile/fail/ref=DotClass.out -XDrawDiagnostics DotClass.java
29 */
30
31import java.lang.annotation.Retention;
32import java.lang.annotation.RetentionPolicy;
33import java.lang.annotation.Target;
34
35import static java.lang.annotation.ElementType.TYPE;
36import static java.lang.annotation.ElementType.TYPE_PARAMETER;
37import static java.lang.annotation.ElementType.TYPE_USE;
38
39@Target({TYPE_USE, TYPE_PARAMETER, TYPE})
40@Retention(RetentionPolicy.RUNTIME)
41@interface A {}
42
43@interface B { int value(); }
44
45class T0x1E {
46    void m0x1E() {
47        Class<Object> c = @A Object.class;
48    }
49
50    Class<?> c = @A String.class;
51
52    Class<? extends @A String> as = @A String.class;
53}
54
55class ClassLiterals {
56    public static void main(String[] args) {
57        if (String.class != @A String.class) throw new Error();
58        if (@A int.class != int.class) throw new Error();
59        if (@A int.class != Integer.TYPE) throw new Error();
60        if (@A int @B(0) [].class != int[].class) throw new Error();
61
62        if (String[].class != @A String[].class) throw new Error();
63        if (String[].class != String @A [].class) throw new Error();
64        if (@A int[].class != int[].class) throw new Error();
65        if (@A int @B(0) [].class != int[].class) throw new Error();
66    }
67
68    Object classLit1 = @A String @C [] @B(0) [].class;
69    Object classLit2 = @A String @C []       [].class;
70    Object classLit3 = @A String    [] @B(0) [].class;
71    Object classLit4 =    String    [] @B(0) [].class;
72    Object classLit5 =    String @C []       [].class;
73    Object classLit6 =    String    []       [].class;
74}
75