def test_intersection_of_two_sets_with_shared_elements_is_a_set_of_the_shared_elements(
self,
):
set1 = CustomSet([1, 2, 3, 4])
set2 = CustomSet([3, 2, 5])
expected = CustomSet([2, 3])
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_contains_shared_elements_only(self):
set1 = CustomSet([1, 2, 3, 4])
set2 = CustomSet([3, 2, 5])
expected = CustomSet([2, 3])
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_sets_with_no_shared_elements_is_empty_set(self):
set1 = CustomSet([1, 2, 3])
set2 = CustomSet([4, 5, 6])
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_non_empty_set_and_empty_set_is_empty_set(self):
set1 = CustomSet([1, 2, 3, 4])
set2 = CustomSet()
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_two_empty_sets_is_empty_set(self):
set1 = CustomSet()
set2 = CustomSet()
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_contains_shared_elements_only(self):
set1 = CustomSet([1, 2, 3, 4])
set2 = CustomSet([3, 2, 5])
expected = CustomSet([2, 3])
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_sets_with_no_shared_elements_is_empty_set(self):
set1 = CustomSet([1, 2, 3])
set2 = CustomSet([4, 5, 6])
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_non_empty_set_and_empty_set_is_empty_set(self):
set1 = CustomSet([1, 2, 3, 4])
set2 = CustomSet()
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
def test_intersection_of_two_empty_sets_is_empty_set(self):
set1 = CustomSet()
set2 = CustomSet()
expected = CustomSet()
self.assertEqual(set1.intersection(set2), expected)
