//--------------------------------------------------------------------
//
//  Laboratory 2                                           test2.C
//
//  Test program for the operations in the Point List ADT
//
//--------------------------------------------------------------------

#include <iostream.h>
#include "ptlist.h"

void main()
{
    PointList testList(8),     // Test list
              assignList(4);   // List assigned to
    Point testPoint;           // List element
    char cmd;                  // Input command

    cout << endl << "Commands:" << endl;
    cout << "  + x y  : Append point (x,y) to the end of the list"
         << endl;
    cout << "  @      : Display the point marked by the cursor"
         << endl;
    cout << "  <      : Go to the beginning of the list" << endl;
    cout << "  >      : Go to the end of the list" << endl;
    cout << "  N      : Go to the next point" << endl;
    cout << "  P      : Go to the prior point" << endl;
    cout << "  C      : Clear the list" << endl;
    cout << "  E      : Empty list?" << endl;
    cout << "  F      : Full list?" << endl;
    cout << "  =      : Assignment                      "
         << "(Inactive : In-lab Ex. 2)" << endl;
    cout << "  !      : Double check assignment         "
         << "(Inactive : In-lab Ex. 2)" << endl;
    cout << "  # x y  : Insert point (x,y) at beginning "
         << "(Inactive : In-lab Ex. 3)" << endl;
    cout << "  Q      : Quit the test program" << endl;
    cout << endl;

    do
    {
        testList.showStructure();                     // Output list

        cout << endl << "Command: ";                  // Read command
        cin >> cmd;
        if ( cmd == '+'  ||  cmd == '#' )
           cin >> testPoint.x >> testPoint.y;

        switch ( cmd )
        {
          case '+' :                                  // append
               cout << "Append (" << testPoint.x
                    << "," << testPoint.y << ")" << endl;
               testList.append(testPoint);
               break;

          case '@' :                                  // getCursor
               testPoint = testList.getCursor();
               cout << "Point marked by the cursor is ("
                    << testPoint.x << "," << testPoint.y << ")"
                    << endl;
               break;

          case '<' :                                  // gotoBeginning
               if ( testList.gotoBeginning() )
                  cout << "Go to the beginning of the list" << endl;
               else
                  cout << "Failed -- list is empty" << endl;
               break;

          case '>' :                                  // gotoEnd
               if ( testList.gotoEnd() )
                  cout << "Go to the end of the list" << endl;
               else
                  cout << "Failed -- list is empty" << endl;
               break;

          case 'N' : case 'n' :                       // gotoNext
               if ( testList.gotoNext() )
                  cout << "Go to the next element" << endl;
               else
                  cout << "Failed -- either at the end of the list "
                       << "or the list is empty" << endl;
               break;

          case 'P' : case 'p' :                       // gotoPrior
               if ( testList.gotoPrior() )
                  cout << "Go to the prior element" << endl;
               else
                  cout << "Failed -- either at the beginning of the "
                       << "list or the list is empty" << endl;
               break;

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

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

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

//=       case '=' :                              // In-lab Exercise 2
//=            assignList = testList;
//=            cout << "assignList:" << endl;
//=            assignList.showStructure();
//=            cout << endl;
//=            break;

//!       case '!' :                              // In-lab Exercise 2
//!            testPoint.x = 0;                   // Double check
//!            testPoint.y = 0;
//!            assignList.append(testPoint);
//!            cout << "Point (0,0) appended to assignList" << endl;
//!            testPoint.x = 1;
//!            testPoint.y = 1;
//!            testList.append(testPoint);
//!            cout << "Point (1,1) appended to testList" << endl;
//!            cout << "List assigned to:" << endl;
//!            assignList.showStructure();
//!            cout << endl;
//!            break;

//#       case '#' :                              // In-lab Exercise 3
//#            cout << "Insert (" << testPoint.x
//#                 << "," << testPoint.y << ") at beginning" << endl;
//#            testList.insertBeginning(testPoint);
//#            break;

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

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