xref: /titanic_50/usr/src/cmd/dtrace/test/tst/common/union/tst.UnionAssoc.d (revision 9512fe850e98fdd448c638ca63fdd92a8a510255)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION:
31  * When a union is used as a key for an associative array, the key is formed
32  * by using the values of the members of the union variable and not the
33  * address of the union variable.
34  *
35  * SECTION: Structs and Unions/Unions
36  *
37  */
38 
39 #pragma D option quiet
40 
41 union record {
42 	int position;
43 	char content;
44 };
45 
46 union record r1;
47 union record r2;
48 
49 BEGIN
50 {
51 	r1.position = 1;
52 	r1.content = 'a';
53 
54 	r2.position = 1;
55 	r2.content = 'a';
56 
57 	assoc_array[r1] = 1000;
58 	assoc_array[r2] = 2000;
59 
60 	printf("assoc_array[r1]: %d\n",  assoc_array[r1]);
61 	printf("assoc_array[r2]: %d\n",  assoc_array[r2]);
62 
63 	exit(0);
64 }
65 
66 END
67 /assoc_array[r1] != assoc_array[r2]/
68 {
69 	printf("Error");
70 	exit(1);
71 }
72