public void When_no_routine_address_supplied_set_result_to_0()
{
const ushort packedRoutineAddress = 0;
var args = new OperandBuilder()
.WithArg(packedRoutineAddress)
.Build();
Mockery
.AssertStackIsEmpty();
Mockery
.SetRoutineArgCount(0);
Operation.Execute(args);
Mockery
.ResultDestinationRetrievedFromPC()
.ResultStoredWasByte(0);
}