#include <iostream>
#include "stack.cpp"
#include "stack.h"

using namespace std;

int main()
{
    stack<int> stk;
    cout << "---------------------- Test construct ----------------------"
         << endl;
    stk.display();
    cout << "---------------------- Test isEmptyStack ----------------------"
         << endl;
    if (stk.isEmptyStack())
        cout << "PASS" << endl;
    else
        cout << "FAIL" << endl;
    cout << "---------------------- Test push ----------------------" << endl;
    cout << "After pushing 10 20 30 40 into stack: " << endl;
    stk.push(10);
    stk.push(20);
    stk.push(30);
    stk.push(40);
    stk.display();
    cout << "---------------------- Test top ----------------------" << endl;
    int value = stk.top();
    if (value == 40)
        cout << "PASS" << endl;
    else
        cout << "FAIL" << endl;
    cout << "---------------------- Test pop ----------------------" << endl;
    stk.display();
    stk.pop();
    stk.pop();
    cout << "After popping 2 times: " << endl;
    stk.display();
    cout << "---------------------- Test overload = operator "
            "----------------------"
         << endl;
    stack<int> stk1;
    cout << "stk current: " << endl;
    stk.display();
    cout << endl << "Assign stk1 = stk " << endl;
    stk1 = stk;
    stk1.display();
    cout << endl << "After pushing 8 9 10 into stk1:" << endl;
    stk1.push(8);
    stk1.push(9);
    stk1.push(10);
    stk1.display();
    cout << endl << "stk current: " << endl;
    stk.display();
    cout << "Assign back stk = stk1:" << endl;
    stk = stk1;
    stk.display();
    return 0;
}