def test_block_start(self):
self.inter.stack.append(2)
self.inter.stack.append(1)
self.assertEqual(len(self.inter.stack_stack), 1)
cmds.execute_command(self.inter, '{')
self.assertEqual(len(self.inter.stack_stack), 2)
self.assertEqual(len(self.inter.stack), 1)
def test_clear_stack(self):
self.inter.stack.append(ord('a'))
self.inter.stack.append(0)
self.inter.stack.append(1)
self.assertEqual(len(self.inter.stack), 3)
cmds.execute_command(self.inter, 'n')
self.assertEqual(len(self.inter.stack), 0)
def test_under_stack(self):
self.inter.stack.append(2)
self.inter.stack.append(1)
cmds.execute_command(self.inter, '{')
self.inter.stack.append(1)
cmds.execute_command(self.inter, 'u')
self.assertEqual(self.inter.stack, [2, 0])
def execute_one_step(self):
if not self.program:
raise InitInterpreter
symb = self.program[self.ip[1]][self.ip[0]]
if self.iter_count == 0:
self.iter_count = 1
elif symb == '"':
self._change_text_mode()
elif self.text_mode:
self._push_char(symb)
elif symb == ";":
self._change_action_mode()
elif self.nothing_mode:
pass
elif symb in self.directions.keys():
self.delta = self.directions[symb]
elif symb.isdigit() or (ord('a') <= ord(symb) <= ord('f')):
self._push_digit(symb)
else:
for _ in range(self.iter_count):
cmds.execute_command(self, symb)
if symb != "k":
self.iter_count = 1
if self.input_mode:
return
self._go_1_step()
def test_load_unload_fp(self):
u.write_string_to_stack(self.inter, 'STRN')
self.inter.stack.append(4)
cmds.execute_command(self.inter, '(')
self.assertEqual('STRN', self.inter.imported_fps[0]['semantics'])
self.assertIn('A', cmds.commands.commands)
self.assertIn('C', cmds.commands.commands)
self.assertIn('D', cmds.commands.commands)
self.assertIn('P', cmds.commands.commands)
cmds.execute_command(self.inter, ')')
self.assertEqual(len(self.inter.imported_fps), 0)
self.assertNotIn('A', cmds.commands.commands)
self.assertNotIn('C', cmds.commands.commands)
self.assertNotIn('D', cmds.commands.commands)
self.assertNotIn('P', cmds.commands.commands)
def test_put_out_of_range(self):
self.inter.stack.append(ord('a'))
self.inter.stack.append(0)
self.inter.stack.append(1)
cmds.execute_command(self.inter, 'p')
self.assertEqual(self.inter.program[1][0], 'a')
def test_store(self):
self.inter.stack.append(ord('a'))
cmds.execute_command(self.inter, 's')
self.assertEqual(self.inter.program[0][1], 'a')
def test_compare_equal(self):
self.inter._push_digit("2")
self.inter._push_digit("2")
cmds.execute_command(self.inter, "w")
self.assertEqual(self.inter.directions[">"], self.inter.delta)
def test_double_stack_value(self):
self.inter._push_digit("2")
cmds.execute_command(self.inter, ":")
self.assertEqual(2, len(self.inter.stack))
self.assertEqual(2, self.inter.stack[-1])
self.assertEqual(self.inter.stack[-1], self.inter.stack[-2])
def test_iterate(self):
self.inter.stack.append(0)
self.inter.stack.append(1)
cmds.execute_command(self.inter, 'x')
self.inter.run()
self.assertEqual('hhh', self.out.getvalue())
def test_execute(self):
u.write_string_to_stack(self.inter, 'echo "hi"')
cmds.execute_command(self.inter, "=")
self.assertEqual(0, self.inter.stack.pop())
def test_negotiation(self):
cmds.execute_command(self.inter, "!")
self.assertEqual(1, self.inter.stack[-1])
cmds.execute_command(self.inter, "!")
self.assertEqual(0, self.inter.stack[-1])
def test_reflect_vertical(self):
self.inter.delta = (0, 1)
cmds.execute_command(self.inter, 'r')
self.assertEqual(self.inter.delta, (0, -1))
def test_arithmetic_multiply(self):
self.inter._push_digit("2")
self.inter._push_digit("3")
cmds.execute_command(self.inter, "*")
self.assertEqual(6, self.inter.stack.pop())
def test_arithmetic_subtract(self):
self.inter._push_digit("2")
self.inter._push_digit("3")
cmds.execute_command(self.inter, "-")
self.assertEqual(-1, self.inter.stack.pop())
def test_arithmetic_div_by_zero(self):
self.inter._push_digit("2")
self.inter._push_digit("0")
cmds.execute_command(self.inter, "/")
self.assertEqual(0, self.inter.stack.pop())
def test_arithmetic_div(self):
self.inter._push_digit("2")
self.inter._push_digit("3")
cmds.execute_command(self.inter, "/")
self.assertEqual(2 / 3, self.inter.stack.pop())
def test_swap_stack(self):
self.inter._push_digit("2")
self.inter._push_digit("3")
cmds.execute_command(self.inter, "\\")
self.assertEqual(2, self.inter.stack.pop())
self.assertEqual(3, self.inter.stack.pop())
def test_vertical_dir_change(self):
cmds.execute_command(self.inter, "|")
self.assertEqual(self.inter.directions["v"], self.inter.delta)
self.inter._push_digit("1")
cmds.execute_command(self.inter, "|")
self.assertEqual(self.inter.directions["^"], self.inter.delta)
def test_read_digit(self):
self.inp.write("lkasmd11212llll")
self.inp.seek(0)
cmds.execute_command(self.inter, "&")
cmds.execute_command(self.inter, "&")
self.assertEqual(11212, self.inter.stack.pop())
def test_reflect_horizontal(self):
self.assertEqual(self.inter.delta, (1, 0))
cmds.execute_command(self.inter, 'r')
self.assertEqual(self.inter.delta, (-1, 0))
def test_read_symb(self):
self.inp.write("k")
self.inp.seek(0)
cmds.execute_command(self.inter, "~")
cmds.execute_command(self.inter, "~")
self.assertEqual(ord('k'), u.pop_with_zero(self.inter))
def test_jump(self):
self.inter.stack.append(3)
cmds.execute_command(self.inter, 'j')
self.assertEqual(self.inter.ip, (3, 0))
def test_print_digit(self):
self.inter._push_digit("2")
cmds.execute_command(self.inter, ".")
self.assertEqual("2", self.out.getvalue())
def test_execute_failure(self):
u.write_string_to_stack(self.inter, 'eco')
cmds.execute_command(self.inter, "=")
self.assertNotEqual(0, u.pop_with_zero(self.inter))
def test_get(self):
self.inter.stack.append(1)
self.inter.stack.append(0)
cmds.execute_command(self.inter, 'g')
self.assertEqual(u.pop_with_zero(self.inter), ord('h'))
def test_turn(self):
cmds.execute_command(self.inter, "]")
self.assertEqual(self.inter.directions["v"], self.inter.delta)
cmds.execute_command(self.inter, "[")
self.assertEqual(self.inter.directions[">"], self.inter.delta)
def test_put(self):
self.inter.stack.append(ord('a'))
self.inter.stack.append(1)
self.inter.stack.append(0)
cmds.execute_command(self.inter, 'p')
self.assertEqual(self.inter.program[0][1], 'a')
def test_one_char_push(self):
cmds.execute_command(self.inter, "'")
self.assertEqual(ord("h"), self.inter.stack.pop())
def test_horizontal_dir_change(self):
cmds.execute_command(self.inter, "_")
self.assertEqual(self.inter.directions[">"], self.inter.delta)
self.inter._push_digit("1")
cmds.execute_command(self.inter, "_")
self.assertEqual(self.inter.directions["<"], self.inter.delta)
