def test_ordering(self):
inter = Interval(0, 15)
var1 = Variable(inter)
var2 = Variable(inter.move(5))
assert var1 < var2
assert var1 != var2
var2 = Variable(inter.move(-5))
assert var1 > var2
assert var1 != var2
var2 = Variable(Interval(0, 5))
assert var1 > var2
assert var1 != var2
var2 = Variable(Interval(0, 20))
assert var1 < var2
assert var1 != var2
var2 = Variable(Interval(0, 15))
assert var1 == var2
assert not var1 < var2
assert not var1 > var2
var2 = Variable(None)
assert var1 != var2
assert var1 > var2
assert not var1 < var2
var2 = Variable()
assert var1 != var2
assert var1 > var2
def test_move(self):
inter = Interval(0, 10)
inter = inter.move(5)
assert isinstance(inter, Interval)
assert inter.start == 5
assert inter.end == 15
inter = inter.move(-5)
assert inter.start == 0
assert inter.end == 10
def test_hash(self):
inter = Interval(2, 20)
assert hash(inter) == (2 ^ 20)
x = [1, 7, 1, 23, 1, 7, 1, 23, 1, 7, 1, 23, 1, 7]
for m in x:
inter = inter.move(m)
assert hash(inter) == (2 ^ 20)
inter = Interval(float("-inf"), float("inf"))
assert hash(inter) == hash(float("-inf")) ^ hash(float("inf"))
def test_ordering(self):
var1 = Interval(0, 15)
var2 = var1.move(5)
assert var1 < var2
assert var1 != var2
var2 = var1.move(-5)
assert var1 > var2
assert var1 != var2
var2 = Interval(0, 5)
assert var1 > var2
assert var1 != var2
var2 = Interval(0, 20)
assert var1 < var2
assert var1 != var2
var2 = Interval(0, 15)
assert var1 == var2
assert tuple(var1) == tuple(var2)
assert not var1 < var2
assert not var1 > var2