def test_run(self):
instructions = [Mov(AX, '2'), Mov(AX, '4')]
context = Context(instructions)
context.run()
self.assertEqual(context.registers.get(AX).value, 0)
context.step()
self.assertEqual(context.registers.get(AX).value, 2)
context.step()
self.assertEqual(context.registers.get(AX).value, 4)
def run_program(program_file):
lines = program_file.readlines()
parser = Parser()
instructions = parser.parse_text(lines)
if len(instructions) == 0:
die(1, 'nothing to run, aborting.')
context = Context(instructions)
view = MainView(100, 40, context)
while True:
view.paint()
inp = input()
if inp == 'r':
context.run()
elif inp == '':
try:
if not context.step():
break
except Exception as e:
die(1, str(e))
elif inp == 'a':
die(0, 'exiting program.')
