def test_execute_register_to_register(self):
mov = Mov('ax', 'ip')
ctx = Context([None])
ctx.registers.set(IP, 2)
self.assertEqual(ctx.registers.get(AX).value, 0)
mov.execute(ctx)
self.assertEqual(ctx.registers.get(IP).value, 2)
def test_execute_register_to_address(self):
mov = Mov('[ax]', 'dx')
ctx = Context([None])
ctx.registers.set(AX, 2)
ctx.registers.set(DX, 9)
self.assertEqual(ctx.registers.get(DX).value, 9)
mov.execute(ctx)
self.assertEqual(ctx.heap.get(2)[0], 9)
def test_execute_address_to_register(self):
mov = Mov('ax', '[ip]')
ctx = Context([None])
ctx.registers.set(IP, 2)
ctx.heap.set(2, 9)
self.assertEqual(ctx.registers.get(AX).value, 0)
mov.execute(ctx)
self.assertEqual(ctx.registers.get(AX).value, 9)
def test_parse_03(self):
self.assertRaises(SyntaxError, lambda: Mov.parse(['ax,', 'bx', 'ip']))
def test_parse_02(self):
mov = Mov.parse(['ax,', 'bx'])
self.assertEqual(mov.source, 'bx')
self.assertEqual(mov.dest, 'ax')
def test_parse_01(self):
mov = Mov.parse(['ax', 'bx'])
self.assertIsInstance(mov, Mov)
def test_execute_constant_to_register(self):
mov = Mov('ax', '2')
ctx = Context([None])
self.assertEqual(ctx.registers.get(AX).value, 0)
mov.execute(ctx)
self.assertEqual(ctx.registers.get(AX).value, 2)