#!/usr/bin/env python3 from storer import Storer s = Storer() if s.get_value() != 0: raise SystemExit('Initial value incorrect.') s.set_value(42) if s.get_value() != 42: raise SystemExit('Setting value failed.') try: s.set_value('not a number') raise SystemExit('Using wrong argument type did not fail.') except TypeError: pass