tstRTMemEf.cpp revision e5f7384e62bc82ad4610e1dd35fe4ca59016814e
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync/* $Id$ */
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync/** @file
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Testcase for the RTMemEf* functions.
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync */
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync/*
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Copyright (C) 2010 Sun Microsystems, Inc.
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync *
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * available from http://www.virtualbox.org. This file is free software;
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * you can redistribute it and/or modify it under the terms of the GNU
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * General Public License (GPL) as published by the Free Software
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync *
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * The contents of this file may alternatively be used under the terms
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * of the Common Development and Distribution License Version 1.0
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * VirtualBox OSE distribution, in which case the provisions of the
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * CDDL are applicable instead of those of the GPL.
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync *
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * You may elect to license modified versions of this file under the
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync * terms and conditions of either the GPL or the CDDL or both.
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync *
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * additional information or have any questions.
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync */
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync/*******************************************************************************
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync* Header Files *
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync*******************************************************************************/
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync#include <iprt/mem.h>
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync#include <iprt/stream.h>
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync#include <iprt/initterm.h>
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync#include <iprt/string.h>
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync/*******************************************************************************
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync* Global Variables *
aa8e7b8e4c5a3d78d8d9ccda1e0822c230b06544vboxsync*******************************************************************************/
static unsigned g_cErrors = 0;
static int tstMemAllocEfAccess()
{
char sz[1];
int32_t v;
/* Trivial alloc fence test - allocate a single word and access both
* the word after the allocated block and the word before. One of them
* will crash no matter whether the fence is at the bottom or on top. */
int32_t *p = (int32_t *)RTMemEfAlloc(sizeof(int32_t));
RTPrintf("tstRTMemAllocEfAccess: allocated int32_t at %#p\n", p);
RTPrintf("tstRTMemAllocEfAccess: triggering buffer overrun...\n");
v = *(p + 1);
/* Dummy use of v so that the compiler cannot optimize it out */
RTStrPrintf(sz, 0, "", v);
RTPrintf("tstRTMemAllocEfAccess: triggering buffer underrun...\n");
v = *(p - 1);
/* Dummy use of v so that the compiler cannot optimize it out */
RTStrPrintf(sz, 0, "", v);
/* Reaching this is a severe error. */
return 0;
}
int main()
{
RTR3Init();
RTPrintf("tstRTMemEf: TESTING...\n");
#define CHECK_EXPR(expr) \
do { bool const f = !!(expr); if (!f) { RTPrintf("tstRTMemEf(%d): %s!\n", __LINE__, #expr); g_cErrors++; } } while (0)
/*
* Some simple stuff.
*/
{
CHECK_EXPR(tstMemAllocEfAccess());
}
/*
* Summary.
*/
if (!g_cErrors)
RTPrintf("tstMemAutoPtr: SUCCESS\n");
else
RTPrintf("tstMemAutoPtr: FAILED - %d errors\n", g_cErrors);
return !!g_cErrors;
}