TestQueue3.cpp

Code

/*
   TestQueue3.cpp
   CIS 250
   2008-03-24
   
   This program tests the queued templated queue class.
*/

#include "queued.h"
#include <iostream>
using std::cout;
using std::endl;

void display(queued<double>);

int main(void) {
    double i=0, n;
    queued<double> q, q2;
    cout << "Filling queue with 0, 2.2, 4.4, ...\n";
    while (i < 5) {
        if (!q.add(i*2.2)) cout << "Failed to add " << (i*2.2) << '\n';
        else cout << "Added " << (i*2.2) << " to queue\n";
        i++;
    }
    cout << "Displaying queue using function\n";
    display(q);
    q2 = q;
    cout << "Displaying queue\n";
    while (!q.isEmpty()) {
        q.remove(n);
        cout << n << '\n';
    }
    cout << "Displaying queue again\n";
    while (!q.isEmpty()) {
        q.remove(n);
        cout << n << '\n';
    }
    cout << "Displaying queue #2\n";
    while (!q2.isEmpty()) {
        q2.remove(n);
        cout << n << '\n';
    }
    return 0;
}

void display(queued<double> q) {
    double n;
    while (!q.isEmpty()) {
        q.remove(n);
        cout << n << '\n';
    }
}