def test_unicode_casefold():
micro = 'µ'
micro_cf = micro.casefold()
assert micro != micro_cf
assert cu.norm_fold(micro) == cu.norm_fold(micro_cf)
def test_unicode_normalization():
s1 = 'café'
s2 = 'cafe\u0301'
assert s1 != s2
assert cu.norm_fold(s1) == cu.norm_fold(s2)
