michael@0: /**
michael@0:  * On Windows, a Unicode argument is passed as UTF-16 using ShellExecuteExW.
michael@0:  * On other platforms, it is passed as UTF-8
michael@0:  */
michael@0: 
michael@0: static const int args_length = 4;
michael@0: #if defined(XP_WIN) && defined(_MSC_VER)
michael@0: #define _UNICODE
michael@0: #include <tchar.h>
michael@0: #include <stdio.h>
michael@0: 
michael@0: static const _TCHAR* expected_utf16[args_length] = {
michael@0:   // Latin-1
michael@0:   L"M\xF8z\xEEll\xE5",
michael@0:   // Cyrillic
michael@0:   L"\x41C\x43E\x437\x438\x43B\x43B\x430",
michael@0:   // Bengali
michael@0:   L"\x9AE\x9CB\x99C\x9BF\x9B2\x9BE",
michael@0:   // Cuneiform
michael@0:   L"\xD808\xDE2C\xD808\xDF63\xD808\xDDB7"
michael@0: };
michael@0: 
michael@0: int wmain(int argc, _TCHAR* argv[]) {
michael@0:   printf("argc = %d\n", argc);
michael@0: 
michael@0:   if (argc != args_length + 1)
michael@0:     return -1;
michael@0: 
michael@0:   for (int i = 1; i < argc; ++i) {
michael@0:     printf("expected[%d]: ", i - 1);
michael@0:     for (size_t j = 0; j < _tcslen(expected_utf16[i - 1]); ++j) {
michael@0:       printf("%x ", *(expected_utf16[i - 1] + j));
michael@0:     }
michael@0:     printf("\n");
michael@0: 
michael@0:     printf("argv[%d]: ", i);
michael@0:     for (size_t j = 0; j < _tcslen(argv[i]); ++j) {
michael@0:       printf("%x ", *(argv[i] + j));
michael@0:     }
michael@0:     printf("\n");
michael@0: 
michael@0:     if (_tcscmp(expected_utf16[i - 1], argv[i])) {
michael@0:       return i;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return 0;
michael@0: }
michael@0: #else
michael@0: #include <string.h>
michael@0: #include <stdio.h>
michael@0: 
michael@0: static const char* expected_utf8[args_length] = {
michael@0:   // Latin-1
michael@0:   "M\xC3\xB8z\xC3\xAEll\xC3\xA5",
michael@0:   // Cyrillic
michael@0:   "\xD0\x9C\xD0\xBE\xD0\xB7\xD0\xB8\xD0\xBB\xD0\xBB\xD0\xB0",
michael@0:   // Bengali
michael@0:   "\xE0\xA6\xAE\xE0\xA7\x8B\xE0\xA6\x9C\xE0\xA6\xBF\xE0\xA6\xB2\xE0\xA6\xBE",
michael@0:   // Cuneiform
michael@0:   "\xF0\x92\x88\xAC\xF0\x92\x8D\xA3\xF0\x92\x86\xB7"
michael@0: };
michael@0: 
michael@0: int main(int argc, char* argv[]) {
michael@0:   if (argc != args_length + 1)
michael@0:     return -1;
michael@0: 
michael@0:   for (int i = 1; i < argc; ++i) {
michael@0:     printf("argv[%d] = %s; expected = %s\n", i, argv[i], expected_utf8[i - 1]);
michael@0:     if (strcmp(expected_utf8[i - 1], argv[i])) {
michael@0:       return i;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return 0;
michael@0: }
michael@0: #endif