def exercise_sset(t1):
random.seed(0)
t2 = ControlSSet()
n = 200
for k in range(5):
for i in range(n):
x = random.randrange(0, 5 * n)
t1.add(x)
t2.add(x)
assert (str(t1) == str(t2))
assert (len(t1) == len(t2))
assert (t2 == t1)
assert (len(t1) == len(t2))
assert (str(t1) == str(t2))
for i in range(n):
x = random.randrange(0, 5 * n)
y = t1.find(x)
y2 = t2.find(x)
assert (y == y2)
assert (len(t1) == len(t2))
assert (str(t1) == str(t2))
for i in range(n):
x = random.randrange(0, 5 * n)
b1 = t1.remove(x)
b2 = t2.remove(x)
assert (b1 == b2)
assert (len(t1) == len(t2))
assert (str(t1) == str(t2))
for i in range(n):
x = random.randrange(0, 5 * n)
y = t1.find(x)
y2 = t2.find(x)
assert (y == y2)
assert (len(t1) == len(t2))
assert (str(t1) == str(t2))
