"""
if isinstance(init, str):
if size is None:
- size = len(init)+1
+ if sizeof(c_wchar) == 2:
+ # UTF-16 requires a surrogate pair (2 wchar_t) for non-BMP
+ # characters (outside [U+0000; U+FFFF] range). +1 for trailing
+ # NUL character.
+ size = sum(2 if ord(c) > 0xFFFF else 1 for c in init) + 1
+ else:
+ # 32-bit wchar_t (1 wchar_t per Unicode character). +1 for
+ # trailing NUL character.
+ size = len(init) + 1
buftype = c_wchar * size
buf = buftype()
buf.value = init
self.assertEqual(b[::2], "ac")
self.assertEqual(b[::5], "a")
+ @need_symbol('c_wchar')
+ def test_create_unicode_buffer_non_bmp(self):
+ expected = 5 if sizeof(c_wchar) == 2 else 3
+ for s in '\U00010000\U00100000', '\U00010000\U0010ffff':
+ b = create_unicode_buffer(s)
+ self.assertEqual(len(b), expected)
+ self.assertEqual(b[-1], '\0')
+
+
if __name__ == "__main__":
unittest.main()