def test_example(self):
example_data = '\n'.join(['b inc 5 if a > 1',
'a inc 1 if b < 5',
'c dec -10 if a >= 1',
'c inc -20 if c == 10',
''])
try:
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
f.write(example_data)
registers = Registers()
registers.parse_file(f.name)
finally:
os.remove(f.name)
self.assertEqual(registers.registers, {'a': 1, 'c': -10})
self.assertEqual(registers.get_largest_value(), 1)
self.assertEqual(registers.get_largest_value_ever_held(), 10)
