#include "../strutil.h"

#include <stdio.h>
#include <string.h>

static int fails;

static void check_rev(const char *in, const char *want) {
  char buf[64];
  snprintf(buf, sizeof(buf), "%s", in);
  str_reverse(buf);
  if (strcmp(buf, want) != 0) {
    printf("FAIL str_reverse(\"%s\") = \"%s\", want \"%s\"\n", in, buf, want);
    fails++;
  }
}

static void check_vowels(const char *in, int want) {
  int got = count_vowels(in);
  if (got != want) {
    printf("FAIL count_vowels(\"%s\") = %d, want %d\n", in, got, want);
    fails++;
  }
}

int main(void) {
  check_rev("abc", "cba");
  check_rev("ab", "ba");
  check_rev("", "");
  check_vowels("education", 5);
  check_vowels("RHYTHM", 0);
  check_vowels("Queue", 4);
  if (fails) {
    printf("%d test(s) failed\n", fails);
    return 1;
  }
  printf("all tests passed\n");
  return 0;
}