package username.dict;

import java.io.PrintWriter;

/**
 * A simple, generic, test of dictionaries.
 *
 * @author Samuel A. Rebelsky
 * @version 1.0 of April 2005
 */
public class NewDictTester
{
// +--------+--------------------------------------------------
// | Fields |
// +--------+

  /** The dictionary we're testing.  */
  NewDict<String,String> dict;

  /** The place to print output. */
  PrintWriter pen;

// +--------------+--------------------------------------------
// | Constructors | 
// +--------------+

  /** 
   * Build a tester for _dict that sends its output to _pen.
   */
  public NewDictTester(NewDict<String,String> _dict, PrintWriter _pen)
  {
    this.dict = _dict;
    this.pen = _pen;
  } // NewDictTester(NewDict<String,String>, PrintWriter)


// +----------------+------------------------------------------
// | Public Methods | 
// +----------------+

  /**
   * A simple series of tests, based on an association list
   * written by Benjamin Gum.
   */
  public void test()
  {

    this.printStars();
    pen.println("Original Dictionary: ");
    dict.dump(pen);
    this.printStars();
    pen.println("Searching in original dictionary: ");
    this.sampleSearch();

    this.printStars();
    pen.println("Filling with Rocky and friends");
    this.addJayWard();
    dict.dump(pen);
    this.printStars();
    pen.println("Searching in revised dictionary: ");
    this.sampleSearch();

    this.printStars();
    pen.println("Filling with other characters");
    this.addOthers();
    dict.dump(pen);
    this.printStars();
    pen.println("Searching in revised dictionary: ");
    this.sampleSearch();

    this.printStars();
    pen.println("Filling with other characters");
    this.addOthers();
    dict.dump(pen);
    this.printStars();
    pen.println("Searching in revised dictionary: ");
    this.sampleSearch();

    this.printStars();
    pen.println("Replacing Batman's sidekick");
    this.dict.put("Batman","Batgirl");
    dict.dump(pen);
    this.printStars();
    pen.println("Searching in revised dictionary: ");
    this.sampleSearch();
  } // test()

// +-----------------+-----------------------------------------
// | Private Methods | 
// +-----------------+

  /**
   * Add the characters of Jay Ward.
   */
  void addJayWard()
  {
    this.dict.put("Rocky", "Bullwinkle");
    this.dict.put("Mr. Peabody", "Sherman");
    this.dict.put("Bullwinkle", "Rocky");
  } // addJayWard()

  /**
   * Add some miscellaneous other characters.
   */
  void addOthers()
  {
    this.dict.put("Batman", "Robin");
    this.dict.put("Asterix", "Obelix");
    this.dict.put("Dick Dastardly", "Muttley");
    this.dict.put("Secret Squirrel", "Morocco Mole");
    this.dict.put("Quick Draw McGraw", "Bab Looey");
    this.dict.put("Yogi", "Booboo");
    this.dict.put("Bart Simpson", "Milhouse Van Houten");
  } // addOthers()

  /**
   * Print a row of stars as a separator.
   */
  void printStars()
  {
    pen.println("**************************************************");
  } // printStars()

  /**
   * Do a sample search
   */
  void sampleSearch()
  {
    // Prepare an array of sample strings for searching
    String[] samples = new String[]{ 
     "Rocky","Bullwinkle","Batman","SamR"
    };
    for (int i = 0; i < samples.length; i++) {
      String result = dict.get(samples[i]);
      if (result == null) {
        pen.println(samples[i] + " has no sidekick.");
      }
      else {
        pen.println(samples[i] + "'s sidekick is " + result);
      } // else
    } // for
  } // sampleSearch()

} // class NewDictTester