mes/scaffold/tests/7b-struct-int-array.c

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/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017 Jan 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"
struct foo {
int a;
int b;
};
struct foo g_foo[2] = {0,1,2,3};
struct bar
{
int bar[4];
};
struct bar g_bar = {101,102};
typedef struct bar bar_struct;
typedef struct bar foo_struct;
int
test ()
{
if (g_foo[0].a != 0) return 1;
if (g_foo[0].b != 1) return 2;
if (g_foo[1].a != 2) return 3;
if (g_foo[1].b != 3) return 4;
void *p = &g_foo;
struct foo* pfoo = (((struct foo *)p) + 1);
if (pfoo->a != 2) return 5;
if (pfoo->b != 3) return 6;
int *pi = &g_foo;
if (*pi != 0) return 5;
pi = &g_bar;
if (*pi != 101) return 6;
struct bar bar = {0x22, 0x33};
pi = &bar;
if (*pi != 0x22) return 6;
bar_struct bs;
bs.bar[0] = 102;
pi = &bs;
if (*pi != 102) return 7;
foo_struct fs;
fs.bar[0] = 0x22;
fs.bar[1] = 0x33;
pi = &fs;
if (*pi != 0x22) return 7;
pi++;
if (*pi != 0x33) return 8;
foo_struct *pfs = &fs;
pfs->bar[3] = 0x44;
pfs->bar[4] = 0x55;
pi = &fs.bar[3];
if (*pi != 0x44) return 9;
pi++;
if (*pi != 0x55) return 10;
return 0;
}