def test_intersection_ex1():
la=Line(Vertex(5,5),Vertex(3,2))
lb=Line(Vertex(4,1),Vertex(4,5))
print "la: %s, lb: %s"%(la,lb)
ls=list(la.intersection_points(lb))
print "ls:",ls
#visualize_diff([
# (la,(255,0,0)),
# (lb,(0,255,0)),
# ],[])
ls=list(la.intersect2(lb))
print "Ls:",ls
def test_intersection_ex3():
la=Line(Vertex(0,2),Vertex(2,2))
lb=Line(Vertex(1,4),Vertex(1,1))
ls=list(la.intersection_points(lb))
print "Actual: %s"%(ls,)
assert set(ls)==set([Vertex(1,2)])
def test_intersection_ex2():
la=Line(Vertex(0,2),Vertex(2,2))
lb=Line(Vertex(1,1),Vertex(1,4))
ls=list(la.intersection_points(lb))
assert set(ls)==set([Vertex(1,2)])
