Method AnsiToUtf16

tests/gtest/gtest-all.cc:2364–2374

Creates a UTF-16 wide string from the given ANSI string, allocating memory using new. The caller is responsible for deleting the return value using delete[]. Returns the wide string, or NULL if the input is NULL.

// value using delete[]. Returns the wide string, or NULL if the
// input is NULL.
LPCWSTR String::AnsiToUtf16(const char* ansi) {
  if (!ansi) return nullptr;
  const int length = strlen(ansi);
  const int unicode_length =
      MultiByteToWideChar(CP_ACP, 0, ansi, length, nullptr, 0);
  WCHAR* unicode = new WCHAR[unicode_length + 1];
  MultiByteToWideChar(CP_ACP, 0, ansi, length,
                      unicode, unicode_length);
  unicode[unicode_length] = 0;
  return unicode;
}

// Creates an ANSI string from the given wide string, allocating
// memory using new. The caller is responsible for deleting the return