def test_add(self):
set = HashSet()
set.add('After the darkness')
assert set.size == 1 # added one element
set.add('Dertogada')
assert set.size == 2 # added a second element
set.add('Ramatohara')
assert set.size == 3 # added a thrid element
set.add('Ramatohara')
assert set.size == 3 # element already exist, no size change
def test_add(self):
elements = ['J', 'K']
set = HashSet(elements)
set.add('P')
set.add('E')
with self.assertRaises(KeyError):
set.add('K') # Element already exists
with self.assertRaises(KeyError):
set.add('E') # Element already exists
assert set.size is 4
assert set.contains('P') is True
assert set.contains('E') is True
def test_remove(self):
h = HashSet()
h.add("Egg")
h.add("Tuna")
h.remove("Egg")
assert h.size == 1
def test_contains(self):
h = HashSet()
h.add("Mondale")
assert h.contains("Mondale") == True
assert h.contains("Alfred") == False
def test_add(self):
h = HashSet()
assert h.size == 0
h.add("Mondale")
assert h.size == 1
