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_push(self):
colors = SingleLinkedList()
colors.push('Pthalo Blue')
assert colors.count() == 1
colors.push('Ultramarine Bleu')
assert colors.count() == 2
colors.push('Magenta')
assert colors.count() == 3
colors.push('Green')
assert colors.count() == 4
colors.push('Red')
assert colors.count() == 5
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_remove():
colors = SingleLinkedList()
colors.push('red')
colors.push('white')
colors.push('blue')
colors.push('yellow')
assert colors.count() == 4
assert colors.remove('white') == True
assert colors.count() == 3
assert colors.dump() == '[red, blue, yellow]'
assert colors.remove('blue') == True
assert colors.count() == 2
assert colors.remove('banana') == False
assert colors.remove('yellow') == True
assert colors.count() == 1
def test_push():
colors = SingleLinkedList()
colors.push("Pthalo Blue")
assert colors.count() == 1
colors.push("Ultramarine Blue")
assert colors.count() == 2
def test_push():
colors = SingleLinkedList()
colors.push('blue')
assert colors.count() == 1
colors.push('red')
assert colors.count() == 2
