def test_not_command_another_number(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(56)
comm.not_command('val')
self.assertEqual(comm.stack, [0])
def test_multiply_negative_meaning(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(2)
comm.stack.append(-6)
comm.multiply('val')
self.assertEqual(comm.stack, [-12])
def test_multiply_empty_stack(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(6)
first_stack = comm.stack
comm.multiply('val')
self.assertEqual(comm.stack, first_stack)
def test_multiply(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(4)
comm.stack.append(3)
comm.multiply('val')
self.assertEqual(comm.stack, [12])
def test_subtract_negative_meaning(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(2)
comm.stack.append(6)
comm.subtract('val')
self.assertEqual(comm.stack, [-4])
def test_add(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(5)
comm.stack.append(6)
comm.add('val')
self.assertEqual(comm.stack, [11])
def test_pop(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(0)
len_stack = len(comm.stack)
comm.pop('val')
self.assertEqual(len(comm.stack), len_stack - 1)
def test_greater(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(4)
comm.stack.append(8)
comm.greater('val')
self.assertEqual(comm.stack, [0])
def test_divide(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.stack.append(6)
comm.stack.append(3)
comm.divide('val')
self.assertEqual(comm.stack, [2])
def test_push_empty(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.push(None)
self.assertEqual(comm.stack, [None])
def test_greater_empty_stack(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.greater('val')
self.assertEqual(comm.stack, [])
def test_push_int(self):
dp = direction.DirectionPointer()
cc = direction.CodelChooser()
comm = commands.Commands(dp, cc)
comm.push(5)
self.assertEqual(comm.stack, [5])