def treetest():
t1 = LookupTree({0:0, 32:32, 4:4})
assert t1.get(0) == 0
t2 = t1.assoc(36, 36)
assert t1.get(36) is None
assert t2.get(36) == 36
t3 = t2.assoc(36, 35)
assert t3.get(36) == 35
t4 = t2.multi_assoc([(15,15), (14,14)])
assert t4.get(15) == 15
assert t4.get(14) == 14
def treetest():
t1 = LookupTree({0: 0, 32: 32, 4: 4})
assert t1.get(0) == 0
t2 = t1.assoc(36, 36)
assert t1.get(36) is None
assert t2.get(36) == 36
t3 = t2.assoc(36, 35)
assert t3.get(36) == 35
t4 = t2.multi_assoc([(15, 15), (14, 14)])
assert t4.get(15) == 15
assert t4.get(14) == 14
