ack/tests/plat/core/intsub_e.c
David Given 19cd42124f Rearrange the tests into sets; allow plats to skip sets; pc86 and linux68k now
skip the tests which use floating point instructions (as their emulators don't
support them).
2018-06-08 15:59:04 +09:00

33 lines
789 B
C

#include <limits.h>
#include "test.h"
/* Constants in globals to defeat constant folding. */
int two = 2;
int one = 1;
int zero = 0;
int minusone = -1;
/* Bypasses the CRT, so there's no stdio. */
void _m_a_i_n(void)
{
ASSERT((two - one) == 1);
ASSERT((one - two) == -1);
ASSERT((two - 1) == 1);
ASSERT((one - 2) == -1);
ASSERT((2 - one) == 1);
ASSERT((1 - two) == -1);
ASSERT(((unsigned int)two - (unsigned int)one) == 1);
ASSERT(((unsigned int)one - (unsigned int)two) == UINT_MAX);
ASSERT(((unsigned int)two - (unsigned int)1) == 1);
ASSERT(((unsigned int)one - (unsigned int)2) == UINT_MAX);
ASSERT(((unsigned int)2 - (unsigned int)one) == 1);
ASSERT(((unsigned int)1 - (unsigned int)two) == UINT_MAX);
finished();
}