xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/union/tst.UnionAssoc.d (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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  * When a union is used as a key for an associative array, the key is formed
30  * by using the values of the members of the union variable and not the
31  * address of the union variable.
32  *
33  * SECTION: Structs and Unions/Unions
34  *
35  */
36 
37 #pragma D option quiet
38 
39 union record {
40 	int position;
41 	char content;
42 };
43 
44 union record r1;
45 union record r2;
46 
47 BEGIN
48 {
49 	r1.position = 1;
50 	r1.content = 'a';
51 
52 	r2.position = 1;
53 	r2.content = 'a';
54 
55 	assoc_array[r1] = 1000;
56 	assoc_array[r2] = 2000;
57 
58 	printf("assoc_array[r1]: %d\n",  assoc_array[r1]);
59 	printf("assoc_array[r2]: %d\n",  assoc_array[r2]);
60 
61 	exit(0);
62 }
63 
64 END
65 /assoc_array[r1] != assoc_array[r2]/
66 {
67 	printf("Error");
68 	exit(1);
69 }
70