import java.util.*;
import javax.swing.*;

/******************************************************************

 This is the test function for Assignment 1.  It creates two
   collections of images, draws them, and determines which pairs
   of images are equal (using the method of hash signatures), and
   prints a table of the results.  The hash signature values 
   appear in the table.

******************************************************************/



public class A1
{


  public static void main(String args[])             {
    ImageCollection imageColl =new ImageCollection();
    Random r=new Random(1);

    // create new images and add them to the collection

    for (int j=0; j<9; j++)
      imageColl.addImage(new Image(5,r));
    Iterator itr0=imageColl.iterator();

    // add the first image as the final collection element

    imageColl.addImage(itr0.next());

    // draw the collection

    imageColl.draw();
    System.out.println();


    // test which images are equal to which others,
    //   and print the result in a table, that also
    //   shows the hash signature value.

    Iterator itr1=imageColl.iterator();
    while (itr1.hasNext())                     {
      Image im1=(Image) itr1.next();
      System.out.print(im1.hashCode());
      System.out.print(": ");
      Iterator itr2=imageColl.iterator();
      while (itr2.hasNext())
        if (im1.equals(itr2.next()))
            System.out.print("+ ");
        else
            System.out.print("- ");
      System.out.println();                      }


      // repeat the above with a new collection

    ImageCollection imageColl2 =new ImageCollection();
    for (int j=0; j<8; j++)
      imageColl2.addImage(new Image(6,r));

    imageColl2.draw();
    System.out.println();

    Iterator itr3=imageColl2.iterator();
    while (itr3.hasNext())                       {
      Image im3=(Image) itr3.next();
      System.out.print(im3.hashCode());
      System.out.print(": ");
      Iterator itr4=imageColl2.iterator();
      while (itr4.hasNext())                {
        if (im3.equals(itr4.next()))
            System.out.print("+ ");
        else
            System.out.print("- ");         }
      System.out.println();                      }

                                                        }


}