public void WhenCastingToIncompatibleType_ItHasNoValue()
{
var obj = new Dummy();
var result = obj.Cast<SeparateDummy>();
Assert.False(result.HasValue);
}
public void WhenUsingIntermediateSelectMany_ItHasAValue()
{
var dummy = new Dummy();
var other = new SeparateDummy { Dummy = dummy };
var result = from val1 in dummy.ToOption()
from val2 in other.ToOption()
select val2.Dummy == val1;
Assert.True(result.HasValue);
Assert.True(result.GetOrDefault());
}
