test_defchararray.py 文件源码

def test_lower(self):
        tgt = asbytes_nested([[' abc ', ''],
                              ['12345', 'mixedcase'],
                              ['123 \t 345 \0 ', 'upper']])
        assert_(issubclass(self.A.lower().dtype.type, np.string_))
        assert_array_equal(self.A.lower(), tgt)

        tgt = [[sixu(' \u03c3 '), sixu('')],
               [sixu('12345'), sixu('mixedcase')],
               [sixu('123 \t 345 \0 '), sixu('upper')]]
        assert_(issubclass(self.B.lower().dtype.type, np.unicode_))
        assert_array_equal(self.B.lower(), tgt)