ack/tests/plat/intsub_e.c
David Given 8a58614aef Rework the tests to run on pc86; lots of test fixes for the brk() test, which
was nearly useless; lots of fixes to qemuppc and pc86 sbrk(), which was broken;
change the pc86 console to echo output to the serial port (needed for running
tests on qemu).
2016-11-26 11:23:25 +01:00

32 lines
810 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 or BSS initialisation. */
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();
}