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

%activity:

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

// following ones should work
cPacket *p1 = check_and_cast<cPacket *>(msg);
cMessage *p2 = check_and_cast<cMessage *>(msg);
cObject *p3 = check_and_cast<cObject *>(msg);
ev << (p1!=NULL) << endl;
ev << (p2!=NULL) << endl;
ev << (p3!=NULL) << endl;

%contains: stdout
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