NumericalRangeOperator spec = new NumericalRangeOperator(10, 11);
NondeterministicAutomatonByThompsonApproach automaton =
new NondeterministicAutomatonByThompsonApproach(spec.createFixedAutomaton());
assertTrue(automaton.accepts("10"));
assertTrue(automaton.accepts("11"));
assertFalse(automaton.accepts(""));
assertFalse(automaton.accepts("9"));
assertFalse(automaton.accepts("12"));
assertFalse(automaton.accepts("0"));
assertFalse(automaton.accepts(" 10"));