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 increment/decrement operator using pointers 30 * 31 * SECTION: Types, Operators, and Expressions/Increment and Decrement Operators 32 * 33 */ 34 35 #pragma D option quiet 36 37 38 BEGIN 39 { 40 ptr_orig = &`kmem_flags; 41 ptr_pos = &`kmem_flags+1; 42 ptr_neg = &`kmem_flags-1; 43 44 ptr_pos_before = ++ptr_orig; 45 ptr_orig = &`kmem_flags; 46 ptr_neg_before = --ptr_orig; 47 48 ptr_orig = &`kmem_flags; 49 ptr_pos_after = ptr_orig++; 50 ptr_orig = &`kmem_flags; 51 ptr_neg_after = ptr_orig--; 52 ptr_orig = &`kmem_flags; 53 54 } 55 56 tick-1 57 /ptr_pos_before == ptr_pos && ptr_neg_before == ptr_neg && 58 ptr_pos_after == ptr_orig && ptr_pos_after == ptr_orig/ 59 { 60 exit(0); 61 } 62 63 64 tick-1 65 /ptr_pos_before != ptr_pos || ptr_neg_before != ptr_neg || 66 ptr_pos_after != ptr_orig || ptr_pos_after != ptr_orig/ 67 { 68 exit(1); 69 } 70 71