1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4253590
* @summary Verify that non-static constant fields are initialized correctly.
* Also, while a runtime initialization is required, verify that
* references to such fields via a simple variable are correctly
* recognized as constant expressions.
* @author maddox (adapted from bug report)
*
* @run compile ConstValInit.java
* @run main ConstValInit
*/
public class ConstValInit {
public final String fnl_str = "Test string";
public final int fnl_int = 1;
public static void main(String args[]) throws Exception {
Class checksClass = Class.forName("ConstValInit");
ConstValInit checksObject = (ConstValInit)(checksClass.newInstance());
String reflected_fnl_str = (String)checksClass.getField("fnl_str").get(checksObject);
if (!checksObject.fnl_str.equals(reflected_fnl_str)) {
throw new Exception("FAILED: ordinary and reflected field values differ");
}
}
void foo() {
// Statement below will not compile if fnl_int is not recognized
// as a constant expression.
switch (1) {
case fnl_int: break;
}
}
}
|
