from liste import Liste

""" Tests unitaires pour vérifier que la classe Liste est bien implantée """

l0 = Liste([])
assert len(l0) == 0
assert l0.is_empty()
assert str(l0) == "vide"
try :
    l0[0]
except IndexError:
    assert True
l0.push("truc")
assert len(l0) == 1
assert not l0.is_empty()
assert str(l0) == "truc -> None"
assert l0[0] == "truc"

l1 = Liste([0,1,2,3])
l2 = Liste([4,5,6,7])
l3 = l1 + l2
assert str(l3) == "0 -> 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> None"
assert len(l3) == len(l1)+len(l2)
for i in range(len(l3)):
    assert l3[i] == i