sahi - how to assert whether an html select option is selected or not

_option("FullReceived").selected

the above code is just a partial. here are some examples of implementations:

assuming that it IS selected, i.e. expecting a "true" value to be returned:
_assert(_option("FullReceived").selected);

and if/else test:
if(_option("FullReceived").selected) {
  ...
} else {
  ...
}