tst.ptrincop.d revision 256281
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 * Verify increment/decrement operator using pointers 32 * 33 * SECTION: Types, Operators, and Expressions/Increment and Decrement Operators 34 * 35 */ 36 37#pragma D option quiet 38 39 40BEGIN 41{ 42 ptr_orig = &`kmem_flags; 43 ptr_pos = &`kmem_flags+1; 44 ptr_neg = &`kmem_flags-1; 45 46 ptr_pos_before = ++ptr_orig; 47 ptr_orig = &`kmem_flags; 48 ptr_neg_before = --ptr_orig; 49 50 ptr_orig = &`kmem_flags; 51 ptr_pos_after = ptr_orig++; 52 ptr_orig = &`kmem_flags; 53 ptr_neg_after = ptr_orig--; 54 ptr_orig = &`kmem_flags; 55 56} 57 58tick-1 59/ptr_pos_before == ptr_pos && ptr_neg_before == ptr_neg && 60 ptr_pos_after == ptr_orig && ptr_pos_after == ptr_orig/ 61{ 62 exit(0); 63} 64 65 66tick-1 67/ptr_pos_before != ptr_pos || ptr_neg_before != ptr_neg || 68 ptr_pos_after != ptr_orig || ptr_pos_after != ptr_orig/ 69{ 70 exit(1); 71} 72 73