def test_parse_parameter_with_three_modes(self):
memory = [11104]
expected_opcode = 4
expected_modes = [
Mode.IMMEDIATE, Mode.IMMEDIATE, Mode.IMMEDIATE, Mode.POSITION
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
def test_parse_parameter_with_just_one_mode(self):
memory = [102]
expected_opcode = 2
expected_modes = [
Mode.IMMEDIATE, Mode.POSITION, Mode.POSITION, Mode.POSITION
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
def test_parse_parameter_with_14(self):
memory = [14]
expected_opcode = 14
expected_modes = [
Mode.POSITION, Mode.POSITION, Mode.POSITION, Mode.POSITION
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
def test_parse_parameter_with_example_from_description(self):
"""
a single opcode should result in the matching number as opcode and all modes should be 0
"""
memory = [1001]
expected_opcode = 1
expected_modes = [
Mode.POSITION, Mode.IMMEDIATE, Mode.POSITION, Mode.POSITION
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
def test_parse_parameter_supports_standalone_opcode(self):
"""
a single opcode should result in the matching number as opcode and all modes should be 0
"""
memory = [3]
expected_opcode = 3
expected_modes = [
Mode.POSITION, Mode.POSITION, Mode.POSITION, Mode.POSITION
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
def test_parse_parameter_supports_relative_mode(self):
memory = [211104]
expected_opcode = 4
expected_modes = [
Mode.IMMEDIATE,
Mode.IMMEDIATE,
Mode.IMMEDIATE,
Mode.RELATIVE,
]
computer = IntComputer(memory)
result_opcode, result_modes = computer.parse_parameter()
assert result_opcode == expected_opcode
assert result_modes == expected_modes
