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cc65/test/val/sub3.c
Colin Leroy-Mira 2a2cc6cad6 Fix bug introduced in #2260
bne should have applied to A, not X, but adding a cmp #$00 before
makes the change less optimized than the existing.
2023-12-09 16:43:23 +01:00

220 lines
2.8 KiB
C

/*
!!DESCRIPTION!! Subtraction Test
!!ORIGIN!! SDCC regression tests
!!LICENCE!! GPL, read COPYING.GPL
*/
#include <stdio.h>
#include <limits.h>
unsigned char failures=0;
int int0 = 5;
unsigned int int1 = 5;
void pre_dec_test(void)
{
if(int0 != 5)
failures++;
if(int1 != 5)
failures++;
--int0;
--int1;
if(int0 != 4)
failures++;
if(int1 != 4)
failures++;
--int0;
--int1;
--int0;
--int1;
--int0;
--int1;
--int0;
--int1;
if(int0 != 0)
failures++;
if(int1 != 0)
failures++;
--int0;
--int1;
if(int0 != -1)
failures++;
if(int1 != 65535U)
failures++;
}
void post_dec_test(void)
{
if(int0 != 5)
failures++;
if(int1 != 5)
failures++;
int0--;
int1--;
if(int0 != 4)
failures++;
if(int1 != 4)
failures++;
int0--;
int1--;
int0--;
int1--;
int0--;
int1--;
int0--;
int1--;
if(int0 != 0)
failures++;
if(int1 != 0)
failures++;
int0--;
int1--;
if(int0 != -1)
failures++;
if(int1 != 65535U)
failures++;
}
void pre_dec_assign_test(void)
{
int a;
unsigned int b;
if(int0 != 5)
failures++;
if(int1 != 5)
failures++;
a = --int0;
b = --int1;
if(int0 != 4 || a != int0)
failures++;
if(int1 != 4 || b != int1)
failures++;
a = --int0;
b = --int1;
a = --int0;
b = --int1;
a = --int0;
b = --int1;
a = --int0;
b = --int1;
if(int0 != 0 || a != int0)
failures++;
if(int1 != 0 || b != int1)
failures++;
a = --int0;
b = --int1;
if(int0 != -1 || a != int0)
failures++;
if(int1 != 65535U || b != int1)
failures++;
}
void post_dec_assign_test(void)
{
int a;
unsigned int b;
if(int0 != 5)
failures++;
if(int1 != 5)
failures++;
a = int0--;
b = int1--;
if(int0 != 4 || a != 5)
failures++;
if(int1 != 4 || b != 5)
failures++;
a = int0--;
b = int1--;
a = int0--;
b = int1--;
a = int0--;
b = int1--;
a = int0--;
b = int1--;
if(int0 != 0 || a != 1)
failures++;
if(int1 != 0 || b != 1)
failures++;
a = int0--;
b = int1--;
if(int0 != -1 || a != 0)
failures++;
if(int1 != 65535U || b != 0)
failures++;
}
void dex_tests(void) {
static unsigned int a, b;
a = 257;
b = a - 1;
if (b != 256) {
printf("fail 257 => 256\n");
failures++;
}
a = 256;
b = a - 1;
if (b != 255) {
printf("fail 256 => 255\n");
failures++;
}
a = 255;
b = a - 1;
if (b != 254) {
printf("fail 255 => 254\n");
failures++;
}
}
int main(void)
{
int0 = 5;
int1 = 5;
pre_dec_test();
int0 = 5;
int1 = 5;
post_dec_test();
int0 = 5;
int1 = 5;
pre_dec_assign_test();
int0 = 5;
int1 = 5;
post_dec_assign_test();
dex_tests();
printf("failures: %d\n",failures);
return failures;
}