Function PrintWideCharsAsStringTo

src/gtest/gtest-all.cpp:8830–8845

Prints the given array of wide characters to the ostream. The array starts at *begin, the length is len, it may include L'\0' characters and may not be null-terminated.

// The array starts at *begin, the length is len, it may include L'\0'
// characters and may not be null-terminated.
static void PrintWideCharsAsStringTo(const wchar_t* begin, size_t len,
                                     ostream* os) {
  *os << "L\"";
  bool is_previous_hex = false;
  for (size_t index = 0; index < len; ++index) {
    const wchar_t cur = begin[index];
    if (is_previous_hex && isascii(cur) && IsXDigit(static_cast<char>(cur))) {
      // Previous character is of '\x..' form and this character can be
      // interpreted as another hexadecimal digit in its number. Break string to
      // disambiguate.
      *os << "\" L\"";
    }
    is_previous_hex = PrintAsWideStringLiteralTo(cur, os) == kHexEscape;
  }
  *os << "\"";
}

// Prints the given C string to the ostream.
void PrintTo(const char* s, ostream* os) {