def test_scenario2():
"""Test INC instruction functionality (scenario 2)."""
chip_test = Processor()
chip_base = Processor()
# Perform the instruction under test:
# Use register 0 to attempt to raise an exception
for _ in range(14):
Processor.inc(chip_test, 0)
# Simulate conditions at end of instruction in base chip
chip_base.increment_pc(14)
insert_register(chip_test, 0, 0)
# Make assertions that the base chip is now at the same state as
# the test chip which has been operated on by the instruction under test.
assert chip_test.read_program_counter() == chip_base.read_program_counter()
assert chip_test.read_register(0) == chip_base.read_register(0)
# Pickling each chip and comparing will show complete equality or not.
assert pickle.dumps(chip_test) == pickle.dumps(chip_base)
def test_scenario1(register):
"""Test INC instruction functionality."""
chip_test = Processor()
chip_base = Processor()
# Perform the instruction under test:
# 3 increments of register "register"
Processor.inc(chip_test, register)
Processor.inc(chip_test, register)
Processor.inc(chip_test, register)
# Simulate conditions at end of instruction in base chip
chip_base.increment_pc(3)
insert_register(chip_base, register, 3)
# Make assertions that the base chip is now at the same state as
# the test chip which has been operated on by the instruction under test.
assert chip_test.read_program_counter() == chip_base.read_program_counter()
assert chip_test.read_register(0) == chip_base.read_register(0)
# Pickling each chip and comparing will show equality or not.
assert pickle.dumps(chip_test) == pickle.dumps(chip_base)
