fig17_05.cpp

// Fig. 17.5: fig17_05.cpp
// List class test program.
#include <iostream>

using std::cin;
using std::endl;

#include <string>

using std::string;

#include "list.h"   // List class definition

void instructions();

// function to test a List
template< class T >
void testList(List<T> &listObject, const string &typeName)
{
    cout << "Testing a List of " << typeName << " values\n";

    instructions();     // display instructions

    int choice;
    T value;

    do {
        cout << "? ";
        cin >> choice;

        switch (choice) {
            case 1:
                cout << "Enter " << typeName << ": ";
                cin >> value;
                listObject.insertAtFront(value);
                listObject.print();
                break;

            case 2:
                cout << "Enter " << typeName << ": ";
                cin >> value;
                listObject.insertAtBack(value);
                listObject.print();
                break;

            case 3:
                if (listObject.removeFromFront(value))
                    cout << value << " removed from list\n";

                listObject.print();
                break;

            case 4:
                if (listObject.removeFromBack(value))
                    cout << value << " removed from list\n";

                listObject.print();
                break;

        } // end switch

    } while (choice != 5);  // end do/while

    cout << "End list test\n\n";

} // end function testList

// 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";

} // end function instructions

int main()
{
    // test List of int values
    List< int > integerList;
    testList(integerList, "integer");

    // test List of double values
    List< double > doubleList;
    testList(doubleList, "double");

    return 0;

} // end main