rostests/apitests/crt/_vsnwprintf.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for _vsnprintf
   5  */
   6
   7 #include <apitest.h>
   8
   9 #define WIN32_NO_STATUS
  10 #include <stdio.h>
  11 #include <tchar.h>
  12 #include <pseh/pseh2.h>
  13 #include <ndk/mmfuncs.h>
  14 #include <ndk/rtlfuncs.h>
  15
  16 static void call_varargs(wchar_t* buf, size_t buf_size, int expected_ret, LPCWSTR formatString, ...)
  17 {
  18     va_list args;
  19     int ret;
  20     /* Test the basic functionality */
  21     va_start(args, formatString);
  22     ret = _vsnwprintf(buf, 255, formatString, args);
  23     ok(expected_ret == ret, "Test failed: expected %i, got %i.\n", expected_ret, ret);
  24 }
  25
  26 START_TEST(_vsnwprintf)
  27 {
  28     wchar_t buffer[255];
  29
  30     /* Test basic functionality */
  31     call_varargs(buffer, 255, 19, L"%s world!", "hello");
  32     call_varargs(buffer, 255, 12, L"%s world!", L"hello");
  33     call_varargs(buffer, 255, 11, L"%u cookies", 100);
  34     /* This is how WINE implements _vcsprintf, and they are obviously wrong */
  35     StartSeh()
  36         call_varargs(NULL, INT_MAX, -1, L"%s it really work?", L"does");
  37 #if defined(TEST_CRTDLL)
  38     EndSeh(STATUS_ACCESS_VIOLATION);
  39 #else
  40     EndSeh(STATUS_SUCCESS);
  41 #endif
  42 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  43     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  44 #endif
  45     /* This one is no better */
  46     StartSeh()
  47         call_varargs(NULL, 0, -1, L"%s it really work?", L"does");
  48 #if defined(TEST_CRTDLL)
  49     EndSeh(STATUS_ACCESS_VIOLATION);
  50 #else
  51     EndSeh(STATUS_SUCCESS);
  52 #endif
  53 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  54     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  55 #endif
  56     /* One more NULL checks */
  57     StartSeh()
  58         call_varargs(buffer, 255, -1, NULL);
  59 #if defined(TEST_CRTDLL)
  60     EndSeh(STATUS_ACCESS_VIOLATION);
  61 #else
  62     EndSeh(STATUS_SUCCESS);
  63 #endif
  64 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  65     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  66 #endif
  67 }