public void FirstPlusTest()
{
var innerComposite = new CompositeToken
{
Substring = "Inner"
};
var stringToken = new StringToken();
stringToken.Append('A');
innerComposite.Add(stringToken);
var composite = new CompositeToken
{
innerComposite,
new StringToken
{
Substring = "String"
}
};
var helper = new PrecedenceGrammarHelper(null);
var firstPlus = helper.FirstPlus(new List <GrammarReplaceRule>
{
new GrammarReplaceRule(PrecedenceParser.TokenEnum.Program, composite)
}, PrecedenceParser.TokenEnum.Program).ToList();
Assert.AreEqual(2, firstPlus.Count);
Assert.IsTrue(firstPlus.Any(x => x is StringToken && x.Substring == "A"));
Assert.IsTrue(firstPlus.Any(x => x is CompositeToken && x.Substring == "Inner"));
}
