def test_arnold_b85_encode_packs_zeros_properly(self):
        """testing if arnold_b85_encode is packing zeros properly
        """
        raw_data = [
            struct.pack('f', 0.0),
            struct.pack('ffff', 0.0, 0.0, 3.484236717224121, 0.0) 
        ]

        encoded_data = [
            'z',
            'zz8^RH(z'
        ]

        for i in range(len(raw_data)):
            self.assertEqual(
                encoded_data[i],
                base85.arnold_b85_encode(raw_data[i])
            )