def test_pop():
colors = SingleLinkedList()
colors.push("Magenta")
colors.push("Alizarin")
assert colors.pop() == "Alizarin"
assert colors.pop() == "Magenta"
assert colors.pop() is None
def test_pop():
colors = SingleLinkedList()
colors.push('magenta')
colors.push('red')
assert colors.pop() == 'red'
assert colors.pop() == 'magenta'
assert colors.pop() == None
def test_pop(self):
colors = SingleLinkedList()
colors.push('Magenta')
colors.push('Alizarin')
colors.push('Blue')
assert colors.pop() == 'Blue'
assert colors.pop() == 'Alizarin'
assert colors.pop() == 'Magenta'
assert colors.pop() is None
def test_shift():
colors = SingleLinkedList()
colors.shift("Cadmium Orange")
assert colors.count() == 1
colors.shift("Carbazole Violet")
assert colors.count() == 2
assert colors.pop() == "Cadmium Orange"
assert colors.count() == 1
assert colors.pop() == "Carbazole Violet"
assert colors.count() == 0
def test_shift(self):
for i in range(0, 800):
colors = SingleLinkedList()
colors.shift("Cadium Orange")
assert colors.count() == 1
colors.shift("Carbazole Violet")
assert colors.count() == 2
assert colors.pop() == "Cadium Orange"
assert colors.count() == 1
assert colors.pop() == "Carbazole Violet"
assert colors.count() == 0
def test_dump():
colors = SingleLinkedList()
colors.push('red')
colors.push('white')
colors.push('blue')
colors.push('yellow')
assert colors.dump() == '[red, white, blue, yellow]'
colors.remove('white')
assert colors.dump() == '[red, blue, yellow]'
colors.pop()
assert colors.dump() == '[red, blue]'
colors.popleft()
assert colors.dump() == '[blue]'
def test_get():
colors = SingleLinkedList()
colors.push("Vermillion")
assert colors.get(0) == "Vermillion"
colors.push("Sap Green")
assert colors.get(0) == "Vermillion"
assert colors.get(1) == "Sap Green"
colors.push("Cadmium Yellow Light")
assert colors.get(0) == "Vermillion"
assert colors.get(1) == "Sap Green"
assert colors.get(2) == "Cadmium Yellow Light"
assert colors.pop() == "Cadmium Yellow Light"
assert colors.get(0) == "Vermillion"
assert colors.get(1) == "Sap Green"
assert colors.get(2) == None
colors.pop()
assert colors.get(0) == "Vermillion"
colors.pop()
assert colors.get(0) == None
def test_get(self):
colors = SingleLinkedList()
colors.push('Vermillion')
assert colors.get(0) == 'Vermillion'
colors.push('Sap Green')
assert colors.get(0) == 'Vermillion'
assert colors.get(1) == 'Sap Green'
colors.push('Cadmium Yellow Light')
assert colors.get(0) == 'Vermillion'
assert colors.get(1) == 'Sap Green'
assert colors.get(2) == 'Cadmium Yellow Light'
assert colors.pop() == 'Cadmium Yellow Light'
assert colors.get(0) == 'Vermillion'
assert colors.get(1) == 'Sap Green'
assert colors.get(2) is None
colors.pop()
assert colors.get(0) == 'Vermillion'
colors.pop()
assert colors.get(0) is None
def test_get():
colors = SingleLinkedList()
colors.push('red')
assert colors.get(0) == 'red'
colors.push('yellow')
assert colors.get(0) == 'red'
assert colors.get(1) == 'yellow'
colors.push('green')
assert colors.get(0) == 'red'
assert colors.get(1) == 'yellow'
assert colors.get(2) == 'green'
colors.pop()
assert colors.get(0) == 'red'
assert colors.get(1) == 'yellow'
assert colors.get(2) == None
colors.pop()
assert colors.get(0) == 'red'
assert colors.get(1) == None
assert colors.get(2) == None
colors.pop()
assert colors.get(0) == None
assert colors.get(1) == None
assert colors.get(2) == None
