// fig15_02.cpp
// Stack class template test program.
#include <iostream>
#include "Stack.h" // Stack class template definition

int main() {
   Stack<double> doubleStack{}; // create a Stack of double
   constexpr size_t doubleStackSize{5}; // stack size
   double doubleValue{1.1}; // first value to push

   std::cout << "Pushing elements onto doubleStack\n";

   // push 5 doubles onto doubleStack
   for (size_t i{0}; i < doubleStackSize; ++i) {
      doubleStack.push(doubleValue);
      std::cout << doubleValue << ' ';
      doubleValue += 1.1;
   } 

   std::cout << "\n\nPopping elements from doubleStack\n";

   // pop elements from doubleStack
   while (!doubleStack.isEmpty()) { // loop while Stack is not empty
      std::cout << doubleStack.top() << ' '; // display top element
      doubleStack.pop(); // remove top element
   } 

   std::cout << "\nStack is empty, cannot pop.\n";

   Stack<int> intStack{}; // create a Stack of int
   constexpr size_t intStackSize{10}; // stack size
   int intValue{1}; // first value to push

   std::cout << "\nPushing elements onto intStack\n";

   // push 10 integers onto intStack
   for (size_t i{0}; i < intStackSize; ++i) {
      intStack.push(intValue);
      std::cout << intValue++ << ' ';
   } 

   std::cout << "\n\nPopping elements from intStack\n";

   // pop elements from intStack
   while (!intStack.isEmpty()) { // loop while Stack is not empty
      std::cout << intStack.top() << ' '; // display top element
      intStack.pop(); // remove top element
   } 

   std::cout << "\nStack is empty, cannot pop.\n";
} 


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