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cc65/test/val/nestfor.c
2014-09-25 21:38:34 +02:00

152 lines
2.1 KiB
C

/*
!!DESCRIPTION!!
!!ORIGIN!! SDCC regression tests
!!LICENCE!! GPL, read COPYING.GPL
*/
#include <stdio.h>
#include <limits.h>
unsigned char success=0;
unsigned char failures=0;
unsigned char dummy=0;
#ifdef SUPPORT_BIT_TYPES
bit bit0 = 0;
#endif
unsigned int uint0 = 0;
unsigned int uint1 = 0;
unsigned char uchar0 = 0;
unsigned char uchar1 = 0;
void dput(unsigned char val)
{
/*PORTB = val;
PORTA = 0x01;
PORTA = 0x00;
*/
}
void done()
{
dummy++;
}
/* both loops use the loop variable inside the inner loop */
void for1(void)
{
unsigned char i, j;
uchar0 = 0;
uchar1 = 0;
for(i = 0; i < 3; i++) {
uchar0++;
for(j = 0; j < 4; j++) {
uchar1++;
dput(i);
dput(j);
}
}
if(uchar0 != 3)
failures++;
if(uchar1 != 12)
failures++;
}
/* only the outer loop's variable is used inside, inner can be optimized into a repeat-loop */
void for2(void)
{
unsigned char i, j;
uchar0 = 0;
uchar1 = 0;
for(i = 0; i < 3; i++) {
uchar0++;
for(j = 0; j < 4; j++) {
uchar1++;
dput(i);
}
}
if(uchar0 != 3)
failures++;
if(uchar1 != 12)
failures++;
}
/* only the inner loop's variable is used inside */
void for3(void)
{
unsigned char i, j;
uchar0 = 0;
uchar1 = 0;
for(i = 0; i < 3; i++) {
uchar0++;
for(j = 0; j < 4; j++) {
uchar1++;
dput(j);
}
}
if(uchar0 != 3)
failures++;
if(uchar1 != 12)
failures++;
}
/* neither loop variable used inside the loops */
void for4(void)
{
unsigned char i, j;
uchar0 = 0;
uchar1 = 0;
for(i = 0; i < 3; i++) {
uchar0++;
for(j = 0; j < 4; j++) {
uchar1++;
dput(uchar0);
dput(uchar1);
}
}
if(uchar0 != 3)
failures++;
if(uchar1 != 12)
failures++;
}
/* like for1 but different condition in inner loop */
void for5(void)
{
unsigned char i, j;
uchar0 = 0;
uchar1 = 0;
for(i = 0; i < 3; i++) {
uchar0++;
for(j = 10; j >= 5; j--) {
uchar1++;
dput(i);
dput(j);
}
}
if(uchar0 != 3)
failures++;
if(uchar1 != 18)
failures++;
}
int main(void)
{
for1();
for2();
for3();
for4();
for5();
success = failures;
done();
printf("failures: %d\n",failures);
return failures;
}