/*
 * COPYRIGHT AND PERMISSION NOTICE
 *
 * Copyright (c) 2003 Embedded Unit Project
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons
 * to whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies
 * of the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
 * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
 * SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Except as contained in this notice, the name of a copyright holder
 * shall not be used in advertising or otherwise to promote the sale,
 * use or other dealings in this Software without prior written
 * authorization of the copyright holder.
 *
 * $Id: AssertImpl.c,v 1.5 2004/02/10 16:15:25 arms22 Exp $
 */
#include "embUnit_config.h"
#include "stdImpl.h"
#include "AssertImpl.h"

#include <limits.h>

/* This is the maximal length of 2^n in decimal notation. */
/* http://www.wolframalpha.com/input/?i=%28%28n-2%29%2F3%2B1%29%2F%28log_10%282^n%29%29%3E%3D1 */
#define MAX_LL_LEN ((CHAR_BIT*sizeof(long long) - 2)/3 + 1)

void assertImplementationLongLong(long long expected,long long actual, long line, const char *file)
{
    char numbuf[MAX_LL_LEN + 2];              /* one (signed) decimal number + sign + null */
    char buffer[2*(sizeof(numbuf) - 1) + 10]; /* "exp " + decimal + " was " + decimal + null */

    stdimpl_strcpy(buffer, "exp ");

    stdimpl_lltoa(expected, numbuf, 10);
    stdimpl_strncat(buffer, numbuf, sizeof(numbuf));

    stdimpl_strcat(buffer, " was ");

    stdimpl_lltoa(actual, numbuf, 10);
    stdimpl_strncat(buffer, numbuf, sizeof(numbuf));

    addFailure(buffer, line, file);
}

void assertImplementationCStr(const char *expected,const char *actual, long line, const char *file)
{
    char buffer[ASSERT_STRING_BUFFER_MAX];
    #define exp_act_limit ((ASSERT_STRING_BUFFER_MAX-11-1)/2)/* "exp'' was''" = 11 byte */
    int el;
    int al;

    if (expected) {
        el = stdimpl_strlen(expected);
    } else {
        el = 4;
        expected = "null";
    }

    if (actual) {
        al = stdimpl_strlen(actual);
    } else {
        al = 4;
        actual = "null";
    }
    if (el > exp_act_limit) {
        if (al > exp_act_limit) {
            al = exp_act_limit;
            el = exp_act_limit;
        } else {
            int w = exp_act_limit + (exp_act_limit - al);
            if (el > w) {
                el = w;
            }
        }
    } else {
        int w = exp_act_limit + (exp_act_limit - el);
        if (al > w) {
            al = w;
        }
    }
    stdimpl_strcpy(buffer, "exp \"");
    stdimpl_strncat(buffer, expected, el);
    stdimpl_strcat(buffer, "\" was \"");
    stdimpl_strncat(buffer, actual, al);
    stdimpl_strcat(buffer, "\"");

    addFailure(buffer, line, file);
}