rostests/apitests/crt/_vscwprintf.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for _vscprintf
   5  */
   6
   7 #include <stdio.h>
   8 #include <wine/test.h>
   9 #include <tchar.h>
  10 #include <errno.h>
  11
  12 static void call_varargs(int expected_ret, LPCWSTR formatString, ...)
  13 {
  14     va_list args;
  15     int ret;
  16     /* Test the basic functionality */
  17     va_start(args, formatString);
  18     ret = _vscwprintf(formatString, args);
  19     ok(expected_ret == ret, "Test failed: expected %i, got %i.\n", expected_ret, ret);
  20 }
  21
  22 START_TEST(_vscwprintf)
  23 {
  24     /* Lesson of the day: don't mix wide and ansi char */
  25     call_varargs(19, L"%s world!", "hello");
  26     call_varargs(12, L"%s world!", L"hello");
  27     call_varargs(17, L"Jack ate %u pies", 100);
  28
  29     /* Test NULL argument */
  30     call_varargs(-1, NULL);
  31 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  32     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  33 #endif
  34 }