// File: HLtest3.cpp
//
// Testing copy constructor & destructor
//

#include <iostream>
#include "HList.h"
#include "IntNode.h"
#include "DoubleNode.h"
#include "StringNode.h"

using namespace std ;


HList foo(HList L3) {
   HNode *ptr ;
   StringNode *sptr ;
   IntNode *iptr ;

   cerr << "\n\n Entering foo():\n\n" ;

   ptr = L3.find(StringNode("World")) ;
   sptr = dynamic_cast<StringNode *>(ptr) ;
   if (sptr == 0) cout << "Dynamic cast failed!!\n" ;
   sptr->set("New York") ;

   ptr = L3.find(IntNode(7) ) ;
   iptr = dynamic_cast<IntNode *>(ptr) ;
   if (iptr == 0) cout << "Dynamic cast failed!!\n" ;
   iptr->set(17) ;

   cout << "In foo(), L3 = " << L3 << "\n\n" ;

   cerr << "\n\n Exiting foo():\n\n" ;
   return L3 ;
}


int main() {

   HList L1, L2;

   L1.push_front(new IntNode(9)) ; 
   L1.push_front(new StringNode("World")) ;
   L1.push_front(new IntNode(8)) ;
   L1.push_front(new IntNode(7)) ;
   L1.push_front(new StringNode("Hello")) ;
   L1.push_front(new IntNode(6)) ;
   L1.push_front(new DoubleNode(3.14157926)) ;
   L1.push_front(new DoubleNode(2.78)) ;
   cout << "In main(),  L1 = " << L1 << "\n\n" ;

   L2 = foo(L1) ;
   cout << "In main(),  L1 = " << L1 << "\n\n" ;
   cout << "In main(), L2 = " << L2 << "\n\n" ;

}