def setUp(self):
self.computer = Computer()
def setUp(self):
self.computer = Computer()
class TestComputer(unittest.TestCase):
def setUp(self):
self.computer = Computer()
def test_has_registers(self):
self.assertEqual(self.computer.a, 0)
self.assertEqual(self.computer.b, 0)
def test_has_instruction_pointer(self):
self.assertEqual(self.computer.ip, 0)
def test_parses_instructions(self):
instruction, args = self.computer.parse_instruction("hlf a")
self.assertEqual(instruction, 'hlf')
self.assertEqual(args, ['a'])
instruction, args = self.computer.parse_instruction("jio a, +2")
self.assertEqual(instruction, 'jio')
self.assertEqual(args, ['a', '+2'])
def test_executes_hlf(self):
self.computer.a = 2
self.computer.ip = 0
self.computer.hlf('a')
self.assertEqual(self.computer.a, 1)
self.assertEqual(self.computer.ip, 1)
def test_executes_tpl(self):
self.computer.a = 1
self.computer.ip = 0
self.computer.tpl('a')
self.assertEqual(self.computer.a, 3)
self.assertEqual(self.computer.ip, 1)
def test_executes_inc(self):
self.computer.a = 0
self.computer.ip = 0
self.computer.inc('a')
self.assertEqual(self.computer.a, 1)
self.assertEqual(self.computer.ip, 1)
def test_executes_jmp(self):
self.computer.a = 0
self.computer.ip = 0
self.computer.jmp('+3')
self.assertEqual(self.computer.ip, 3)
self.computer.jmp('-2')
self.assertEqual(self.computer.ip, 1)
def test_executes_jie(self):
self.computer.a = 2
self.computer.b = 1
self.computer.ip = 0
self.computer.jie('a', '+2')
self.assertEqual(self.computer.ip, 2)
self.computer.jie('b', '-2')
self.assertEqual(self.computer.ip, 3)
def test_executes_jio(self):
self.computer.a = 2
self.computer.b = 1
self.computer.ip = 0
self.computer.jio('b', '+2')
self.assertEqual(self.computer.ip, 2)
self.computer.jio('a', '-2')
self.assertEqual(self.computer.ip, 3)
def test_halts_when_no_more_instructions(self):
self.computer.a = 0
self.computer.b = 0
self.computer.ip = 0
program = ['inc a', 'inc b', 'inc a']
self.computer.run_program(program)
self.assertEqual(self.computer.a, 2)
self.assertEqual(self.computer.b, 1)
self.assertEqual(self.computer.ip, 3)
class TestComputer(unittest.TestCase):
def setUp(self):
self.computer = Computer()
def test_has_registers(self):
self.assertEqual(self.computer.a, 0)
self.assertEqual(self.computer.b, 0)
def test_has_instruction_pointer(self):
self.assertEqual(self.computer.ip, 0)
def test_parses_instructions(self):
instruction, args = self.computer.parse_instruction("hlf a")
self.assertEqual(instruction, 'hlf')
self.assertEqual(args, ['a'])
instruction, args = self.computer.parse_instruction("jio a, +2")
self.assertEqual(instruction, 'jio')
self.assertEqual(args, ['a', '+2'])
def test_executes_hlf(self):
self.computer.a = 2
self.computer.ip = 0
self.computer.hlf('a')
self.assertEqual(self.computer.a, 1)
self.assertEqual(self.computer.ip, 1)
def test_executes_tpl(self):
self.computer.a = 1
self.computer.ip = 0
self.computer.tpl('a')
self.assertEqual(self.computer.a, 3)
self.assertEqual(self.computer.ip, 1)
def test_executes_inc(self):
self.computer.a = 0
self.computer.ip = 0
self.computer.inc('a')
self.assertEqual(self.computer.a, 1)
self.assertEqual(self.computer.ip, 1)
def test_executes_jmp(self):
self.computer.a = 0
self.computer.ip = 0
self.computer.jmp('+3')
self.assertEqual(self.computer.ip, 3)
self.computer.jmp('-2')
self.assertEqual(self.computer.ip, 1)
def test_executes_jie(self):
self.computer.a = 2
self.computer.b = 1
self.computer.ip = 0
self.computer.jie('a', '+2')
self.assertEqual(self.computer.ip, 2)
self.computer.jie('b', '-2')
self.assertEqual(self.computer.ip, 3)
def test_executes_jio(self):
self.computer.a = 2
self.computer.b = 1
self.computer.ip = 0
self.computer.jio('b', '+2')
self.assertEqual(self.computer.ip, 2)
self.computer.jio('a', '-2')
self.assertEqual(self.computer.ip, 3)
def test_halts_when_no_more_instructions(self):
self.computer.a = 0
self.computer.b = 0
self.computer.ip = 0
program = ['inc a', 'inc b', 'inc a']
self.computer.run_program(program)
self.assertEqual(self.computer.a, 2)
self.assertEqual(self.computer.b, 1)
self.assertEqual(self.computer.ip, 3)
