ack/tests/plat/intshift_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

53 lines
1.8 KiB
C

#include <limits.h>
#include "test.h"
/* Constants in globals to defeat constant folding. */
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((one <<zero) == 1);
ASSERT((one <<one) == 2);
ASSERT((minusone<<zero) == -1);
ASSERT((minusone<<one) == -2);
ASSERT(((unsigned int)one <<(unsigned int)zero) == 1);
ASSERT(((unsigned int)one <<(unsigned int)one) == 2);
ASSERT(((unsigned int)minusone<<(unsigned int)zero) == -1);
ASSERT(((unsigned int)minusone<<(unsigned int)one) == -2);
ASSERT((one >>zero) == 1);
ASSERT((one >>one) == 0);
ASSERT((minusone>>zero) == -1);
ASSERT((minusone>>one) == -1);
ASSERT(((unsigned int)one >>(unsigned int)zero) == 1);
ASSERT(((unsigned int)one >>(unsigned int)one) == 0);
ASSERT(((unsigned int)minusone>>(unsigned int)zero) == UINT_MAX);
ASSERT(((unsigned int)minusone>>(unsigned int)one) == (UINT_MAX>>1));
ASSERT((one <<0) == 1);
ASSERT((one <<1) == 2);
ASSERT((minusone<<0) == -1);
ASSERT((minusone<<1) == -2);
ASSERT(((unsigned int)one <<(unsigned int)0) == 1);
ASSERT(((unsigned int)one <<(unsigned int)1) == 2);
ASSERT(((unsigned int)minusone<<(unsigned int)0) == -1);
ASSERT(((unsigned int)minusone<<(unsigned int)1) == -2);
ASSERT((one >>0) == 1);
ASSERT((one >>1) == 0);
ASSERT((minusone>>0) == -1);
ASSERT((minusone>>1) == -1);
ASSERT(((unsigned int)one >>(unsigned int)0) == 1);
ASSERT(((unsigned int)one >>(unsigned int)1) == 0);
ASSERT(((unsigned int)minusone>>(unsigned int)0) == UINT_MAX);
ASSERT(((unsigned int)minusone>>(unsigned int)1) == (UINT_MAX>>1));
finished();
}