public void Absent_FromUnit_ExpectAbsent()
{
var actual = Optional.Absent <string>(Unit.Value);
var expected = Optional <string> .Absent;
Assert.AreEqual(expected, actual);
}
public Optional <Client> GetCurrentClient()
{
var client = GetClientInternal();
// return Optional<Client>.Of(client);
// return client.ToOptional();
return(Optional <Client> .Absent());
}
public static Optional <T> ToOptional <T>(this T obj)
{
if (obj == null)
{
return(Optional <T> .Absent());
}
return(Optional <T> .Of(obj));
}
public void TaggedUnion_ToOptional_UnionIsDefault_ExpectAbsent()
{
var union = default(TaggedUnion <StructType, Unit>);
var actual = union.ToOptional();
var expected = Optional.Absent <StructType>();
Assert.AreEqual(expected, actual);
}
public void Optional_ToTaggedUnion_OptionalIsAbsent_ExpectActualIsSecond()
{
var optional = Optional.Absent <RefType>();
var actual = optional.ToTaggedUnion();
var expected = TaggedUnion <RefType, Unit> .Second(Unit.Value);
Assert.AreEqual(expected, actual);
}
public void TaggedUnion_ToOptional_UnionIsSecond_ExpectAbsent()
{
var union = TaggedUnion <RefType, Unit> .Second(Unit.Value);
var actual = union.ToOptional();
var expected = Optional.Absent <RefType>();
Assert.AreEqual(expected, actual);
}