%description:
Test the check_and_cast<T>() function.

%activity:

// create a cMessage
cMessage *msg = new cMessage("msg");

// we shouldn't be able to cast to an unrelated type
cTopology *p = check_and_cast<cTopology *>(msg);
EV << "fell through\n" << endl;
EV << p << endl;

%exitcode: 1

%contains: stderr
Cannot cast

%not-contains: stdout
fell through