public void TestParseGrammarNOK()
{
StringBuilder input = new StringBuilder(string.Empty)
.Append(@"<% @TinyPG %>")
.Append("ALL -> @\".*Start -> ALL;");
Program prog = new Program(PassError, new StringBuilder(string.Empty));
Grammar grammar = prog.ParseGrammar(input.ToString(), "");
Assert.IsNull(grammar);
}