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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "strutils.h"
struct strtod_tests {
char *string;
double result;
};
struct strtod_tests tests[] = {
{"123", 123.0},
{"-123", -123.0},
{"12.34", 12.34},
{"-12.34", -12.34},
{".34", 0.34},
{"-.34", -0.34},
{"12,34", 12.34},
{"-12,34", -12.34},
{",34", 0.34},
{"-,34", -0.34},
{"0", 0.0},
{".0", 0.0},
{"0.0", 0.0},
{NULL, 0.0}
};
#define EPSILON 1.0 // Really not trying for precision here
int dequal(const double d1, const double d2)
{
return fabs(d1-d2) < EPSILON;
}
int main(int argc, char *argv[])
{
int i;
double val;
for(i=0; tests[i].string != NULL; i++) {
if(!dequal (strtod_nol_or_err(tests[i].string, "Cannot parse number"),
tests[i].result)) {
fprintf(stderr, "FAIL: strtod_nol_or_err(\"%s\") != %f\n",
tests[i].string, tests[i].result);
return EXIT_FAILURE;
}
//fprintf(stderr, "PASS: strtod_nol for %s\n", tests[i].string);
}
return EXIT_SUCCESS;
}
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