//--------------------------------------------------------------------
//
//  Laboratory 5                                           test5.cpp
//
//  Test program for the operations in the Stack ADT
//
//--------------------------------------------------------------------

#include <iostream>

#include "stackarr.cpp"
//#include "stacklnk.cpp"
//#include "stackdwn.cpp"

//--------------------------------------------------------------------

void print_help()
{
    cout << endl << "Commands:" << endl;
    cout << "  H  : Help (displays this message)" << endl;
    cout << "  +x : Push x" << endl;
    cout << "  -  : Pop" << endl;
    cout << "  C  : Clear" << endl;
    cout << "  E  : Empty stack?" << endl;
    cout << "  F  : Full stack?" << endl;
    cout << "  Q  : Quit the test program" << endl;
    cout << endl;
}

void main()
{
    Stack<char> testStack(8);     // Test stack
    char testDataItem;            // Stack data item
    char cmd;                     // Input command

    print_help();

    do
    {
        testStack.showStructure();                    // Output stack

        cout << endl << "Command: ";                  // Read command
        cin >> cmd;
        if ( cmd == '+' )
           cin >> testDataItem;

        switch ( cmd )
        {
          case 'H' : case 'h':
               print_help();
               break;

          case '+' :                                  // push
               cout << "Push " << testDataItem << endl;
               testStack.push(testDataItem);
               break;

          case '-' :                                  // pop
               cout << "Popped " << testStack.pop() << endl;
               break;

          case 'C' : case 'c' :                       // clear
               cout << "Clear the stack" << endl;
               testStack.clear();
               break;

          case 'E' : case 'e' :                       // isEmpty
               if ( testStack.isEmpty() )
                  cout << "Stack is empty" << endl;
               else
                  cout << "Stack is NOT empty" << endl;
               break;

          case 'F' : case 'f' :                       // isFull
               if ( testStack.isFull() )
                  cout << "Stack is full" << endl;
               else
                  cout << "Stack is NOT full" << endl;
               break;

          case 'Q' : case 'q' :                   // Quit test program
               break;

          default :                               // Invalid command
               cout << "Inactive or invalid command" << endl;
        }
    }
    while ( cmd != 'Q'  &&  cmd != 'q' );

}