public static void DelegateCastTest3()
{
Cast_Func2 afunc = (x) => { return(null); };
object obj = afunc;
var action6 = (Action <DelegateCast <CastSubObj>, CastSubObj>)obj;
if (action6 != null)//TODO:cast后应为空
{
throw new Exception();
}
}
public static void DelegateCastTest2()
{
Cast_Func2 afunc = (x) => { return(null); };
object obj = afunc;
Func <DelegateCast <CastSubObj>, CastSubObj> action2 = obj as Func <DelegateCast <CastSubObj>, CastSubObj>;
Action <DelegateCast <CastSubObj>, CastSubObj> action3 = obj as Action <DelegateCast <CastSubObj>, CastSubObj>;
Action action4 = obj as Action;
var action5 = obj as Action <DelegateCast <CastSubObj>, CastSubObj>;
var action7 = obj as Func <DelegateCast <CastSubObj>, CastSubObj2>;
if (action2 != null)
{
throw new Exception();
}
if (action3 != null)
{
throw new Exception();
}
if (action4 != null)
{
throw new Exception();
}
if (action5 != null)
{
throw new Exception();
}
if (action7 == null)
{
throw new Exception();
}
}