def test_intersection(self):
set_A = Sets()
set_B = Sets()
set_A.add('Ronaldo')
set_A.add('Mbappe')
set_A.add('Neymar')
set_A.add('Messi')
set_B.add('Rashford')
set_B.add('Mbappe')
set_B.add('Neymar')
set_B.add('DeBruyne')
assert type(set_A.intersection(set_B)) == list # should return a list
assert len(
set_A.intersection(set_B)) == 2 # Only two element are interscted
assert set_A.size == 4 # set A should retain its original size
assert set_B.size == 4 # set B should retain its original size
# Testing elements in return list to be True
intersection_result = set_A.intersection(set_B)
assert 'Neymar' in intersection_result
assert 'Mbappe' in intersection_result
# Testing elements not in return list to be True
assert 'Rashford' not in intersection_result
assert 'Ronaldo' not in intersection_result
assert 'Deybrune' not in intersection_result
assert 'Messi' not in intersection_result
def test_intersection(self):
first_set = Sets([1, 2, 3, 6])
second_set = Sets([1, 2, 3, 4, 5, 7])
intersection_set = first_set.intersection(second_set)
assert intersection_set.size == 3
assert intersection_set.contains(1) == True
assert intersection_set.contains(2) == True
assert intersection_set.contains(3) == True
assert intersection_set.contains(4) == False
assert intersection_set.contains(5) == False
assert intersection_set.contains(6) == False
assert intersection_set.contains(7) == False
def test_intersection(self):
s1 = Sets(['A', 'B', 'C'])
s2 = Sets(['A', 'B', 'D'])
intersection_set = s1.intersection(s2)
self.assertCountEqual(intersection_set.set_struct.keys(), ['A', 'B'])