import unicode_strings

test_string = "h\udce9llo w\u00f6rld"
if unicode_strings.non_utf8_c_str() != test_string:
    raise ValueError("Test comparison mismatch")
if unicode_strings.non_utf8_std_string() != test_string:
    raise ValueError("Test comparison mismatch")

def check(s1, s2):
    if s1 != s2:
        raise RuntimeError("{} != {}".format(s1, s2))

low_surrogate_string = "\udcff"
try:
    unicode_strings.instring(low_surrogate_string)
    raise RuntimeError("Exception should have been thrown")
except TypeError as e:
    # Python 3 will fail the PyUnicode_AsUTF8String conversion resulting in a TypeError.
    # The real error is actually:
    # UnicodeEncodeError: 'utf-8' codec can't encode character '\udcff' in position 0: surrogates not allowed
    pass