% IFE test campaign

#
# execute test:
# > test/run_tests -P "load_contrib('ife')" -t test/contrib/ife.uts
#

+ Basic layer handling
= build basic IFE frames

frm = Ether()/IFE(tlvs=[IFESKBMark(value=3), IFETCIndex(value=5)])

frm = Ether(bytes(frm))

assert IFE in frm
assert frm[IFE].tlvs[0].type == 1
assert frm[IFE].tlvs[0].length == 8
assert frm[IFE].tlvs[0].value == 3
assert frm[IFE].tlvs[1].type == 5
assert frm[IFE].tlvs[1].length == 6
assert frm[IFE].tlvs[1].value == 5

= add padding if required

frm = Ether()/IFE(tlvs=[IFETCIndex()])
assert len(raw(frm)) == 24

frm = Ether()/IFE(tlvs=[IFESKBMark(), IFETCIndex()])
assert len(raw(frm)) == 32

= variable payload

frm = Ether(src="aa:aa:aa:aa:aa:aa", dst="bb:bb:bb:bb:bb:bb")/IFE(tlvs=[IFETlvStr(b"testsr")])
assert bytes(frm) == b'\xbb\xbb\xbb\xbb\xbb\xbb\xaa\xaa\xaa\xaa\xaa\xaa\xed>\x00\x08testsr'