def test_4dn_should_multiply_d_by_n(self):
interpreter = Interpreter(['408', '100'])
instruction_count = interpreter.execute()
self.assertEqual('000', interpreter.get_register_value(0))
self.assertEqual(2, instruction_count)
##
interpreter = Interpreter(['302', '407', '100'])
instruction_count = interpreter.execute()
self.assertEqual('014', interpreter.get_register_value(0))
self.assertEqual(3, instruction_count)
def test_3dn_should_add_n_to_register_d(self):
interpreter = Interpreter(['308', '100'])
instruction_count = interpreter.execute()
self.assertEqual('008', interpreter.get_register_value(0))
self.assertEqual(2, instruction_count)
##
interpreter = Interpreter(['308', '302', '100'])
instruction_count = interpreter.execute()
self.assertEqual('010', interpreter.get_register_value(0))
self.assertEqual(3, instruction_count)
def test_2dn_should_set_register_d_to_n(self):
interpreter = Interpreter(['201', '100'])
instruction_count = interpreter.execute()
self.assertEqual('001', interpreter.get_register_value(0))
self.assertEqual(2, instruction_count)
##
interpreter = Interpreter(['299', '100'])
instruction_count = interpreter.execute()
self.assertEqual('009', interpreter.get_register_value(9))
self.assertEqual(2, instruction_count)
def test_0ds_should_not_go_to_location_d_when_s_is_zero(self):
interpreter = Interpreter(['200', '214', '010', '201', '100'])
instruction_count = interpreter.execute()
self.assertEqual('001', interpreter.get_register_value(0))
self.assertEqual(5, instruction_count)
def test_5ds_should_set_register_d_to_the_value_of_register_s(self):
interpreter = Interpreter(['209', '510', '100'])
instruction_count = interpreter.execute()
self.assertEqual('009', interpreter.get_register_value(0))
self.assertEqual('009', interpreter.get_register_value(1))
self.assertEqual(3, instruction_count)
def test_8da_should_set_register_d_to_the_value_in_ram_whose_address_is_in_register_a(self):
interpreter = Interpreter(['203', '810', '100', '999'])
instruction_count = interpreter.execute()
self.assertEqual('003', interpreter.get_register_value(0))
self.assertEqual('999', interpreter.get_register_value(1))
self.assertEqual(3, instruction_count)
def test_7ds_should_multiply_register_d_to_the_value_of_register_s(self):
interpreter = Interpreter(['209', '212', '710', '100'])
instruction_count = interpreter.execute()
self.assertEqual('009', interpreter.get_register_value(0))
self.assertEqual('018', interpreter.get_register_value(1))
self.assertEqual(4, instruction_count)
def test_create_should_init_all_registers_to_zero(self):
interpreter = Interpreter([])
for index in range(10) :
self.assertEqual('000', interpreter.get_register_value(index))
def test_should_do_nothing_given_single_halt_value(self):
interpreter = Interpreter(['100'])
interpreter.execute()
for index in range(10) :
self.assertEqual('000', interpreter.get_register_value(index))