public void ContainsTest() { var opt1 = new Optional <int>(10); Assert.IsTrue(opt1.Contains(10)); Assert.IsFalse(opt1.Contains(7)); var opt2 = new Optional <int>(); Assert.IsFalse(opt2.Contains(5)); }
public void Optional_ContainsString_True() { Optional <string> optional = "text"; Assert.True(optional.HasValue); Assert.True(optional.Contains("text")); }
public void Optional_WithNull_ContainsNull_False() { Optional <string> optionalWithoutValue = null; Assert.False(optionalWithoutValue.HasValue); Assert.False(optionalWithoutValue.Contains(null)); }
public void Optional_ContainsDifferentString_False() { Optional <string> optional = "text"; Assert.True(optional.HasValue); Assert.False(optional.Contains("different_text")); }
protected Token TokenOf(Acceptor acceptor) { var optional = new Acceptor[] { Commenting, Parameters, Self }; var found = Lexicon.FirstOrDefault(pair => pair.Item2.ValueOf == acceptor); var token = found != null ? found.Item2 : null; if ((token == null) && !Optional.Contains(acceptor)) { throw Language.Error("missing required token definition: {0}", acceptor.Method.Name); } return(token); }