public void Reconhece_ListaValida_AoAvaliar()
{
var list = new[]
{
new CharGrammarElement('a'),
new CharGrammarElement('b'),
new CharGrammarElement('c')
};
var grammar = new AndListGrammarElement(list);
var extractor = TokenExtractor.FromString("abc");
var token = grammar.Eval(extractor);
Assert.NotNull(token);
Assert.IsType <Token[]>(token.Content);
Assert.Equal(3, (token.Content as Token[]).Length);
Assert.Equal("a", (token.Content as Token[])[0].Content.ToString());
Assert.Equal("b", (token.Content as Token[])[1].Content.ToString());
Assert.Equal("c", (token.Content as Token[])[2].Content.ToString());
}
public void Consome_SoOsCaracteres_Necessarios()
{
var list = new[]
{
new CharGrammarElement('e'),
new CharGrammarElement('f'),
new CharGrammarElement('g')
};
var grammar = new AndListGrammarElement(list);
var extractor = TokenExtractor.FromString("efghhh");
var posBegin = extractor.SaveCursor();
var token = grammar.Eval(extractor);
Assert.NotNull(token);
Assert.Equal(0, posBegin.Position);
Assert.Equal(3, extractor.SaveCursor().Position);
Assert.IsType <Token[]>(token.Content);
Assert.Equal(3, (token.Content as Token[]).Length);
Assert.Equal("e", (token.Content as Token[])[0].Content.ToString());
Assert.Equal("f", (token.Content as Token[])[1].Content.ToString());
Assert.Equal("g", (token.Content as Token[])[2].Content.ToString());
}