def test_intersection3(self):
a = HashSet()
b = HashSet()
c = HashSet()
for i in range(1000):
a.insert(i)
a.insert(i)
for i in range(500, 1000):
b.insert(i)
b.insert(i)
b.insert(i)
for i in range(600, 700):
c.insert(i)
c.insert(i)
c.insert(i)
c.insert(i)
b.intersection(c)
a.intersection(b)
for i in range(600):
self.assertEqual(a.getCount(i), 0)
for i in range(600, 700):
self.assertEqual(a.getCount(i), 2)
for i in range(700, 1000):
self.assertEqual(a.getCount(i), 0)
def test_intersection1(self):
a = HashSet()
b = HashSet()
for i in range(1000):
a.insert(i)
for i in range(1000, 2000):
b.insert(i)
a.intersection(b)
for i in range(2000):
self.assertEqual(a.getCount(i), 0)