xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/union/tst.UnionInside.d (revision 73b80b821da76082173547dd650e417f6916eb8b)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * ASSERTION:
29  * Verify the nested behavior of unions.
30  *
31  * SECTION: Structs and Unions/Unions
32  *
33  */
34 #pragma D option quiet
35 
36 union InnerMost {
37 	int position;
38 	char content;
39 };
40 
41 union InnerMore {
42 	union InnerMost IMost;
43 	int dummy_More;
44 };
45 
46 union Inner {
47 	union InnerMore IMore;
48 	int dummy_More;
49 };
50 
51 union Outer {
52 	union Inner I;
53 	int dummy_More;
54 };
55 
56 union OuterMore {
57 	union Outer O;
58 	int dummy_More;
59 };
60 
61 union OuterMost {
62 	union OuterMore OMore;
63 	int dummy_More;
64 } OMost;
65 
66 
67 BEGIN
68 {
69 
70 	OMost.OMore.O.I.IMore.IMost.position = 5;
71 	OMost.OMore.O.I.IMore.IMost.content = 'e';
72 
73 	printf("OMost.OMore.O.I.IMore.IMost.content: %c\n",
74 	       OMost.OMore.O.I.IMore.IMost.content);
75 
76 	exit(0);
77 }
78 
79 END
80 /'e' != OMost.OMore.O.I.IMore.IMost.content/
81 {
82 	exit(1);
83 }
84