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cc65/test/val/counter.c

61 lines
1.6 KiB
C

/* Tests for predefined macro __COUNTER__ */
#include <stdio.h>
static int failures = 0;
#if __COUNTER__ /* 0 */
# error __COUNTER__ should begin at 0!
#elif __COUNTER__ == 1 /* 1 */
# define CONCAT(a,b) CONCAT_impl_(a,b)
# define CONCAT_impl_(a,b) a##b
#endif
#line 42 "What is the answer?"
int CONCAT(ident,__COUNTER__)[0+__LINE__] = {__LINE__}, CONCAT(ident,__COUNTER__)[0+__LINE__] = {__LINE__}; /* 2,3 */
#if __COUNTER__ == 4 ? 1 || __COUNTER__ : 0 && __COUNTER__ /* 4,5,6 */
_Static_assert(__COUNTER__ == 7, "__COUNTER__ should be 7 here!"); /* 7 */
# define GET_COUNTER() __COUNTER__
# define GET_LINE() __LINE__
# warning __COUNTER__ in #warning is just output as text and will never increase!
#else
# if __COUNTER__ + __COUNTER__ + __COUNTER__ /* Skipped as a whole and not incrementing */
# endif
# error __COUNTER__ is skipped along with the whole #error line and will never increase anyways! */
#endif
#include "counter.h"
#include "counter.h"
_Static_assert(GET_COUNTER() == 10, "__COUNTER__ should be 10 here!"); /* 10 */
int main(void)
{
if (ident2[0] != 42) {
printf("Expected ident2[0]: %s, got: %s\n", 42, ident2[0]);
++failures;
}
if (ident3[0] != 42) {
printf("Expected ident3[0]: %s, got: %s\n", 42, ident3[0]);
++failures;
}
if (ident8 != 8) {
printf("Expected ident8: %s, got: %s\n", 8, ident8);
++failures;
}
if (ident9 != 9) {
printf("Expected ident9: %s, got: %s\n", 9, ident9);
++failures;
}
if (failures != 0) {
printf("Failures: %d\n", failures);
}
return failures;
}