}
}
+typedef NTSTATUS (WINAPI* RTLGETVERSION)(PRTL_OSVERSIONINFOW);
+
+static OSVERSIONINFOW *GetRealOSVersion()
+{
+ static OSVERSIONINFOW osvi = { 0 };
+ HINSTANCE hNTDLL = LoadLibraryW(L"ntdll.dll");
+ if (hNTDLL)
+ {
+ RTLGETVERSION fn;
+ fn = (RTLGETVERSION)GetProcAddress(hNTDLL, "RtlGetVersion");
+ if (fn)
+ {
+ osvi.dwOSVersionInfoSize = sizeof(osvi);
+ if (fn(&osvi) == STATUS_SUCCESS)
+ {
+ return &osvi;
+ }
+ }
+ }
+ return NULL;
+}
+
+static BOOL IsWin10Plus(void)
+{
+ RTL_OSVERSIONINFOW *info = GetRealOSVersion();
+ if (!info)
+ return FALSE;
+
+ return info->dwMajorVersion >= 10;
+}
+
+static BOOL IsReactOS(void)
+{
+ WCHAR szWinDir[MAX_PATH];
+ GetWindowsDirectoryW(szWinDir, _countof(szWinDir));
+ return (wcsstr(szWinDir, L"ReactOS") != NULL);
+}
+
START_TEST(MultiByteToWideChar)
{
size_t i;
+
+ if (!IsWin10Plus() && !IsReactOS())
+ {
+ trace("This test is designed for Windows 10+ and ReactOS.\n"
+ "It is expected to report some failures on older Windows versions.\n");
+#if 0
+ skip("");
+ return;
+#endif
+ }
+
for (i = 0; i < _countof(Entries); ++i)
{
TestEntry(&Entries[i]);