mes/scaffold/tests/51-strcmp.c

93 lines
2.0 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "30-test.i"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#if __i386__
#define strncmp xstrncmp
int
strncmp (char const* a, char const* b, size_t size)
{
if (!size)
return 0;
while (*a && *b && *a == *b && --size)
{
a++;
b++;
}
return *a - *b;
}
#endif
int
test ()
{
char *p = "mes";
puts ("\n");
puts ("t: if (strcmp (p, \"foo\"))\n");
if (!strcmp (p, "foo"))
return 1;
puts ("t: if (strcmp (p, \"t.c\\n\"))\n");
if (strcmp (p, "mes"))
return 2;
puts ("t: if (!strcmp (p, \"t.c\\n\"))\n");
if (!strcmp (p, "mes")) goto ok1;
return 3;
ok1:
puts ("t: if (strcmp (p, \"foo\"))\n");
if (strcmp (p, "foo")) goto ok2;
return 4;
ok2:
puts ("t: itoa (33) == \"33\"\n");
if (strcmp (itoa (33), "33"))
return 5;
puts ("strcmp (itoa (-1), \"-1\")\n");
if (strcmp (itoa (-1), "-1"))
return 6;
puts ("strcmp (itoa (0), \"0\")\n");
if (strcmp (itoa (0), "0"))
return 7;
puts ("strcmp (itoa (1), \"1\")\n");
if (strcmp (itoa (1), "1"))
return 8;
if (strncmp ("abc", "a", 1))
return 9;
if (!strncmp ("abc", "x", 1))
return 10;
if (strncmp ("abc", "", 0))
return 11;
return 0;
}