public static bool EqualsTests(string leftVal, string rightVal)
{
var left = OptionTests.MakeOption(leftVal);
var right = OptionTests.MakeOption(rightVal);
return(left.Equals(right));
}
public static string BindTests(string val, bool returnValue)
{
return(OptionTests
.MakeOption(val)
.Pipe(Option.Bind <string, int>(x => returnValue ? Option.Some(x.Length) : Option.None <int>()))
.ToString());
}
public static string OrTests(string leftVal, string rightVal)
{
var left = OptionTests.MakeOption(leftVal);
var right = OptionTests.MakeOption(rightVal);
return((left || right).ToString());
}
public static string ToEitherRightTests(string val, int rightValue)
{
return(OptionTests
.MakeOption(val)
.ToEitherRight(rightValue)
.ToString());
}
public static string WhereTests(string val)
{
return((from x in OptionTests.MakeOption(val)
where x == "B"
select x.Length)
.ToString());
}
public static string MapTests(string val)
{
return(OptionTests
.MakeOption(val)
.Pipe(Option.Map <string, string>(x => x.ToLower()))
.ToString());
}
public static string FilterTests(string val)
{
return(OptionTests
.MakeOption(val)
.Pipe(Option.Filter <string>(x => x == "B"))
.ToString());
}
public static string OfTypeTests(string val, bool wrapValue)
{
var innerOption = OptionTests.MakeOption(val);
return((wrapValue ? innerOption.ToOption() : Option.None <Option <string> >())
.Pipe(Option.OfType <Option <string>, OptionSome <string> >())
.ToString());
}
public static string MatchTests(string val)
{
return(OptionTests
.MakeOption(val)
.Pipe(Option.Match <string, string>(
x => $"Just: {x}",
() => "Nothing")));
}
public static string SelectManyTests(string val, bool returnSome)
{
return((from x in OptionTests.MakeOption(val)
from y in returnSome
? Option.None <bool>()
: (x.Length == 0).ToOption()
select y)
.ToString());
}
public static string ToStringTests(string val)
{
return(OptionTests.MakeOption(val).ToString());
}
public static bool IsEmptyTests(string val)
{
return(OptionTests.MakeOption(val).IsEmpty);
}
public static object GetEnumeratorTests(string val)
{
var enumerator = ((IEnumerable)OptionTests.MakeOption(val)).GetEnumerator();
return(enumerator.MoveNext() ? enumerator.Current : null);
}
public static string SelectTests(string val)
{
return((from x in OptionTests.MakeOption(val)
select x.Length)
.ToString());
}
public static string DefaultWithTests(string val)
{
return(OptionTests
.MakeOption(val)
.Pipe(Option.DefaultWith("B")));
}
