tests/tst-indirect-override.c

#include <locale.h>
#include <stdio.h>

#include "third_party/glibc_locales/tests/tst-indirect-override.h"

#ifndef THIRD_PARTY_GLIBC_LOCALES_GLIBC_LOCALES_OVERRIDE_H
#error "glibc_locales_override.h not included"
#endif

#ifndef INDIRECT_OVERRIDE
#error "INDIRECT_OVERRIDE not defined"
#endif

#define FAIL(str, args...)             \
  {                                    \
    printf("FAIL: " str "\n", ##args); \
    ++errors;                          \
  }

int main(void) {
  int errors = 0;

  locale_t locale = newlocale(LC_ALL_MASK, "C", NULL);
  if (tolower_l('A', locale) != 'a') FAIL("tolower_l('A') wrong")
  if (toupper_l('a', locale) != 'A') FAIL("toupper_l('a') wrong")
  freelocale(locale);

  return errors;
}