def test_from_str_parse_dec_coin():
coin1 = Coin("uluna", 1001.5)
coin2 = Coin.from_str("1001.500000000000000000uluna")
assert coin1 == coin2
coin3 = Coin("uluna", "-1.0")
coin2 = Coin.from_str("-1.000000000000000000uluna")
def test_from_str_parse_int_coin():
coin1 = Coin("uluna", 1001)
coin2 = Coin.from_str("1001uluna")
assert coin1 == coin2
coin3 = Coin("uluna", -1)
coin4 = Coin.from_str("-1uluna")
assert coin3 == coin4