def test_program_error_different_movements(self):
tape = Tape()
tape.set_string("0101")
str_program = "S0, 0, 1, R, S0;S0, 0, 1, L, S0"
with self.assertRaises(InvalidInstructionPair):
program = Program(tape)
program.build(str_program)
def test_program_with_log1(self):
tape = Tape()
tape.set_string("0101")
str_program = "S0, 0, 1, R, S0;S0, 1, 0, L, S2"
program = Program(tape)
program.build(str_program)
with self.assertRaises(StopProgram):
program.run(log=False)
def test_program_error_identical_instructions(self):
tape = Tape()
tape.set_string("0101")
str_program = "S0, 0, 1, R, S0;S1, 0, 1, L, S0;S0, 0, 1, R, S0"
trozos = str_program.split(";")
with self.assertRaises(InvalidInstructionPair):
program = Program(tape)
program.build(str_program)
def test_tape_with_move_left(self):
tape = Tape()
tape.set_string("0101")
tape.set_current_pos(3)
tape.move_left()
str_tape = str(tape)
self.assertEqual("01>0<1", str_tape)
def test_program1(self):
tape = Tape()
tape.set_string("0101")
str_program = "S0, 0, 1, R, S0;S0, 1, 0, L, S0"
program = Program(tape)
program.build(str_program)
program.execute_next_instruction()
self.assertEqual(program.get_tape_string(), "1101")
program.execute_next_instruction()
self.assertEqual(program.get_tape_string(), "1001")
with self.assertRaises(InvalidTapePositionError):
program.execute_next_instruction()
def test_load_external_program(self):
filepath = os.path.join("examples", "increment_number.txt")
tape = Tape()
tape.set_string("000111")
for i in range(0, 5):
tape.move_right()
program = Program(tape)
program.load_file_program(filepath)
with self.assertRaises(StopProgram):
program.run()
def test_program2(self):
tape = Tape()
tape.set_string("0101")
str_program = "\nS0, 0, 1, R, S0;S0, 1, 0, L, S0;"
program = Program(tape)
program.build(str_program)
def test_tape_with_move_right(self):
tape = Tape()
tape.set_string("0101")
tape.move_right()
str_tape = str(tape)
self.assertEqual("0>1<01", str_tape)
def test_tape1(self):
tape = Tape()
tape.set_string("0101")
str_tape = str(tape)
self.assertEqual(">0<101", str_tape)