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main.cpp
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main.cpp
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#include <iostream>
#include <string>
#include "LinkedList.h"
#include "VectorList.h"
using namespace std;
// display program instructions to user
void instructions()
{
cout << "Enter one of the following:\n"
<< " 1 to insert at beginning of list\n"
<< " 2 to insert at end of list\n"
<< " 3 to delete from beginning of list\n"
<< " 4 to delete from end of list\n"
<< " 5 to end list processing\n"
<< " 6 to sum list elements\n"
<< " 7 to access a list element\n"
<< " 8 to reverse list order\n";
}
// function to test map member function
template< typename T >
T timesfive(const T &anum)
{
return anum * 5;
}
// function to test filter
template< typename T >
bool even(const T &anum)
{
if ( anum % 2 == 0)
{return true;}
else {return false;}
}
// function to test a LinkedList
template< typename T >
void testLinkedList( LinkedList< T > &listObject, const string &typeName )
{
cout << "Testing a LinkedList of " << typeName << " values\n";
instructions(); // display instructions
int choice; // store user choice
T value; // store input value
do // perform user-selected actions
{
cout << "? ";
cin >> choice;
switch ( choice )
{
case 1: // insert at beginning
cout << "Enter " << typeName << ": ";
cin >> value;
listObject.insertAtFront( value );
listObject.print();
break;
case 2: // insert at end
cout << "Enter " << typeName << ": ";
cin >> value;
listObject.insertAtBack( value );
listObject.print();
break;
case 3: // remove from beginning
if ( listObject.removeFromFront( value ) )
cout << value << " removed from list\n";
listObject.print();
break;
case 4: // remove from end
if ( listObject.removeFromBack( value ) )
cout << value << " removed from list\n";
listObject.print();
break;
case 6:
cout << listObject.sum() << endl;
break;
case 7:
{cout << "Enter element subscript : ";
cin >> value;
T something = listObject[value];
cout << "\nEntry is : " << something << endl;
break;}
case 8:
listObject.reverse();
listObject.print();
break;
}
} while ( choice != 5 );
cout << "End list test\n\n";
}
// function to test a VectorList
template< typename T >
void testVectorList( VectorList< T > &listObject, const string &typeName )
{
cout << "Testing a VectorList of " << typeName << " values\n";
instructions(); // display instructions
int choice; // store user choice
T value; // store input value
do // perform user-selected actions
{
cout << "? ";
cin >> choice;
switch ( choice )
{
case 1: // insert at beginning
cout << "Enter " << typeName << ": ";
cin >> value;
listObject.insertAtFront( value );
listObject.print();
break;
case 2: // insert at end
cout << "Enter " << typeName << ": ";
cin >> value;
listObject.insertAtBack( value );
listObject.print();
break;
case 3: // remove from beginning
if ( listObject.removeFromFront( value ) )
cout << value << " removed from list\n";
listObject.print();
break;
case 4: // remove from end
if ( listObject.removeFromBack( value ) )
cout << value << " removed from list\n";
listObject.print();
break;
}
} while ( choice < 5 );
cout << "End list test\n\n";
}
int main()
{
// test LinkedList of int values
LinkedList< int > integerLinkedList;
testLinkedList( integerLinkedList, "integer" );
// test VectorList of int values
VectorList< int > integerVectorList;
testVectorList( integerVectorList, "integer" );
// test LinkedList of double values
LinkedList< double > doubleLinkedList;
testLinkedList( doubleLinkedList, "double" );
// test VectorList of double values
VectorList< double > doubleVectorList;
testVectorList( doubleVectorList, "double" );
cout << "testing shared : " << integerLinkedList.shared(integerLinkedList) << endl;
cout << "testing sort\n";
integerLinkedList.sort();
integerLinkedList.print();
cout << "testing map :\n";
integerLinkedList.map(timesfive);
cout << "testing filter\n";
integerLinkedList.filter(even);
integerLinkedList.print();
cout << "testing removeDup()\n";
integerLinkedList.removeDup();
integerLinkedList.print();
return 0;
}