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/*
bug-1929.c
*/
#include <testfwk.h>
#define MASK 0x0f
unsigned char reg0;
unsigned char reg1;
signed char reg2;
signed char reg3;
void tAnd (void)
{
reg0 &= ~MASK;
ASSERT (reg0 == 0xa0);
reg1 &= MASK;
ASSERT (reg1 == 0x0a);
reg2 &= ~MASK;
ASSERT ((unsigned char) reg2 == 0xa0);
reg3 &= MASK;
ASSERT (reg3 == 0x0a);
}
void tOr (void)
{
reg0 |= ~MASK;
ASSERT (reg0 == 0xfa);
reg1 |= MASK;
ASSERT (reg1 == 0xaf);
reg2 |= ~MASK;
ASSERT ((unsigned char) reg2 == 0xfa);
reg3 |= MASK;
ASSERT ((unsigned char) reg3 == 0xaf);
}
void tXor (void)
{
reg0 ^= ~MASK;
ASSERT (reg0 == 0x5a);
reg1 ^= MASK;
ASSERT (reg1 == 0xa5);
reg2 ^= ~MASK;
ASSERT (reg2 == 0x5a);
reg3 ^= MASK;
ASSERT ((unsigned char) reg3 == 0xa5);
}
void testBug (void)
{
reg0 = reg1 = reg2 = reg3 = 0xaa;
tAnd();
reg0 = reg1 = reg2 = reg3 = 0xaa;
tOr();
reg0 = reg1 = reg2 = reg3 = 0xaa;
tXor();
}
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