Ticket #15990: foo.c

#include <uchar.h>
#include <stdio.h>
#include <stdint.h>

int char16_is_unsigned = (char16_t)(-1) >= 0;
int char32_is_unsigned = (char32_t)(-1) >= 0;

int main ()
{
  printf("char16_t is unsigned? %d\n", char16_is_unsigned);
  printf("char32_t is unsigned? %d\n", char32_is_unsigned);
  printf("char16_t is as wide as uint_least16_t? %d\n", sizeof(char16_t)==sizeof(uint_least16_t));
  printf("char32_t is as wide as uint_least32_t? %d\n", sizeof(char16_t)==sizeof(uint_least16_t));
  return 0;
}