def test_hexstring_typeerror():
b = HexString("0x1234", "bytes32")
with pytest.raises(TypeError):
b == "potato"
with pytest.raises(TypeError):
b == "1234"
assert str(b) != "potato"
def test_hexstring_length():
b = HexString("0x1234", "bytes32")
assert b == "0x1234"
assert b == "0x000000000000001234"
def test_hexstring_length(return_value):
b = HexString('0x1234', "bytes32")
assert b == "0x1234"
assert b == "0x000000000000001234"