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cc65/test/val/atoi-test.c

46 lines
912 B
C

/* A small test for atoi. Assumes twos complement */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#define outfile stderr
static unsigned int Failures = 0;
static void CheckAtoi (const char* Str, int Val)
{
int Res = atoi (Str);
if (Res != Val) {
fprintf (outfile, "atoi error in \"%s\":\n"
" result = %d, should be %d\n", Str, Res, Val);
++Failures;
}
}
int main (void)
{
CheckAtoi ("\t +0A", 0);
CheckAtoi ("\t -0.123", 0);
CheckAtoi (" -32 ", -32);
CheckAtoi (" +32 ", 32);
CheckAtoi ("0377", 377);
CheckAtoi (" 0377 ", 377);
CheckAtoi (" +0377 ", 377);
CheckAtoi (" -0377 ", -377);
CheckAtoi ("0x7FFF", 0);
CheckAtoi (" +0x7FFF", 0);
CheckAtoi (" -0x7FFF", 0);
fprintf (outfile, "Failures: %u\n", Failures);
return (Failures != 0);
}