rostests/apitests/crt/_vsnprintf.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 #define WIN32_NO_STATUS
   8 #include <stdio.h>
   9 #include <wine/test.h>
  10 #include <tchar.h>
  11 #include <pseh/pseh2.h>
  12 #include <ndk/mmfuncs.h>
  13 #include <ndk/rtlfuncs.h>
  14
  15 #define StartSeh()              ExceptionStatus = STATUS_SUCCESS; _SEH2_TRY {
  16 #define EndSeh(ExpectedStatus)  } _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) { ExceptionStatus = _SEH2_GetExceptionCode(); } _SEH2_END; ok(ExceptionStatus == ExpectedStatus, "Exception %lx, expected %lx\n", ExceptionStatus, ExpectedStatus)
  17
  18 static void call_varargs(char* buf, size_t buf_size, int expected_ret, LPCSTR formatString, ...)
  19 {
  20     va_list args;
  21     int ret;
  22     /* Test the basic functionality */
  23     va_start(args, formatString);
  24     ret = _vsnprintf(buf, 255, formatString, args);
  25     ok(expected_ret == ret, "Test failed: expected %i, got %i.\n", expected_ret, ret);
  26 }
  27
  28 START_TEST(_vsnprintf)
  29 {
  30     char buffer[255];
  31     NTSTATUS ExceptionStatus;
  32     /* Here you can mix wide and ANSI strings */
  33     call_varargs(buffer, 255, 12, "%S world!", L"hello");
  34     call_varargs(buffer, 255, 12, "%s world!", "hello");
  35     call_varargs(buffer, 255, 11, "%u cookies", 100);
  36     /* This is how WINE implements _vcsprintf, and they are obviously wrong */
  37     StartSeh()
  38         call_varargs(NULL, INT_MAX, -1, "%s it really work?", "does");
  39 #if defined(TEST_CRTDLL) || defined(TEST_USER32)
  40     EndSeh(STATUS_ACCESS_VIOLATION);
  41 #else
  42     EndSeh(STATUS_SUCCESS);
  43 #endif
  44 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  45     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  46 #endif
  47     /* This one is no better */
  48     StartSeh()
  49         call_varargs(NULL, 0, -1, "%s it really work?", "does");
  50 #if defined(TEST_CRTDLL) || defined(TEST_USER32)
  51     EndSeh(STATUS_ACCESS_VIOLATION);
  52 #else
  53     EndSeh(STATUS_SUCCESS);
  54 #endif
  55 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  56     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  57 #endif
  58     /* One more NULL checks */
  59     StartSeh()
  60         call_varargs(buffer, 255, -1, NULL);
  61 #if defined(TEST_CRTDLL)
  62     EndSeh(STATUS_ACCESS_VIOLATION);
  63 #else
  64     EndSeh(STATUS_SUCCESS);
  65 #endif
  66 #if defined(TEST_MSVCRT) /* NTDLL doesn't use/set errno */
  67     ok(errno == EINVAL, "Expected EINVAL, got %u\n", errno);
  68 #endif
  69 }