def test_ADD(self):
cardiac = Cardiac()
cardiac.memory[42] = 9998
cardiac._ADD(42)
self.assertEqual(9998, cardiac.accumulator)
cardiac._ADD(0)
self.assertEqual(9999, cardiac.accumulator)
cardiac._ADD(0)
self.assertEqual(0, cardiac.accumulator)
def test_init(self):
cardiac = Cardiac()
self.assertEqual([], cardiac.input)
self.assertEqual([], cardiac.output)
self.assertEqual([1] + [None] * 99, cardiac.memory)
self.assertEqual(0, cardiac.accumulator)
self.assertEqual(0, cardiac.program_counter)
def test_TAC(self):
cardiac = Cardiac()
cardiac._TAC(42)
self.assertEqual(0, cardiac.program_counter)
cardiac.accumulator = -1
cardiac._TAC(42)
self.assertEqual(42, cardiac.program_counter)
def test_CLA(self):
cardiac = Cardiac()
cardiac._CLA(0)
self.assertEqual(1, cardiac.accumulator)
cardiac.memory[42] = 100
cardiac._CLA(42)
self.assertEqual(100, cardiac.accumulator)
def test_JMP(self):
cardiac = Cardiac()
cardiac.load(["842"])
cardiac.step()
cardiac.step()
self.assertEqual(42, cardiac.program_counter)
self.assertEqual([1, 842] + [None] * 97 + [802], cardiac.memory)
def test_SUB(self):
cardiac = Cardiac()
cardiac._SUB(0)
self.assertEqual(-1, cardiac.accumulator)
def test_STO(self):
cardiac = Cardiac()
cardiac.accumulator = 100
cardiac._STO(42)
self.assertEqual([1] + [None] * 41 + [100] + [None] * 57,
cardiac.memory)
def test_OUT(self):
cardiac = Cardiac()
cardiac.memory[42] = 100
cardiac._OUT(0)
cardiac._OUT(42)
self.assertEqual(["001", "100"], cardiac.output)
def test_SFT(self):
cardiac = Cardiac()
cardiac.accumulator = 42
cardiac._SFT(0)
self.assertEqual(42, cardiac.accumulator)
cardiac._SFT(20)
self.assertEqual(4200, cardiac.accumulator)
cardiac._SFT(13)
self.assertEqual(2, cardiac.accumulator)
cardiac._SFT(1)
self.assertEqual(0, cardiac.accumulator)
def test_INP(self):
cardiac = Cardiac()
cardiac.load(["100"])
cardiac._INP(42)
self.assertEqual([1] + [None] * 41 + [100] + [None] * 57,
cardiac.memory)
def test_run(self):
cardiac = Cardiac()
cardiac.load(["002", "003", "942"])
cardiac.run()
self.assertEqual([1, 2, 3, 942] + [None] * 96, cardiac.memory)
self.assertEqual(42, cardiac.program_counter)
def test_HRS(self):
cardiac = Cardiac()
with (self.assertRaises(HaltException)):
cardiac._HRS(42)
self.assertEqual(42, cardiac.program_counter)
from argparse import ArgumentParser
from cardiac import Cardiac
if __name__ == "__main__":
parser = ArgumentParser(description="CARDIAC interpreter written in Python")
parser.add_argument("program", type=str, help="Program")
args = parser.parse_args()
with open(args.program) as f:
program = [line.strip() for line in f]
cardiac = Cardiac()
cardiac.load(program)
output = cardiac.run()
print("\n".join(output))