assert.h

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/*
 * Copyright (c) 2006 INRIA, 2010 NICTA
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 *         Quincy Tse <quincy.tse@nicta.com.au>
 */
#ifndef NS_ASSERT_H
#define NS_ASSERT_H
 
#ifdef NS3_ASSERT_ENABLE
 
#include "fatal-error.h"
 
#include <iostream>
 
#define NS_ASSERT(condition)                                                                       \
    do                                                                                             \
    {                                                                                              \
        if (!(condition))                                                                          \
        {                                                                                          \
            std::cerr << "NS_ASSERT failed, cond=\"" << #condition << "\", ";                      \
            NS_FATAL_ERROR_NO_MSG();                                                               \
        }                                                                                          \
    } while (false)
 
#define NS_ASSERT_MSG(condition, message)                                                          \
    do                                                                                             \
    {                                                                                              \
        if (!(condition))                                                                          \
        {                                                                                          \
            std::cerr << "NS_ASSERT failed, cond=\"" << #condition << "\", ";                      \
            NS_FATAL_ERROR(message);                                                               \
        }                                                                                          \
    } while (false)
 
#else /* NS3_ASSERT_ENABLE */
 
// NOTE: The no-op macros are not inserted into the final code.
// However, the use of sizeof() allows the compiler to silently check if the condition is
// syntactically valid.
 
#define NS_ASSERT(condition)                                                                       \
    do                                                                                             \
    {                                                                                              \
        (void)sizeof(condition);                                                                   \
    } while (false)
 
#define NS_ASSERT_MSG(condition, message)                                                          \
    do                                                                                             \
    {                                                                                              \
        (void)sizeof(condition);                                                                   \
    } while (false)
 
#endif /* NS3_ASSERT_ENABLE */
 
#endif /* ASSERT_H */