// CounterDriver.java
// Written by DLK, based on an example in Decker and Hirshfield.
// Modified and converted to Java by Scot Drysdale.

// A driver program to exercise the Counter class.
// Modified for SA 5 by THC.

public class CounterDriver {
  public static void main(String args[]) {
    // Create variables that can reference two Counters.
    Counter c1, c2;

    c1 = new Counter(5); // Wraps at 5
    c2 = new Counter(12); // Wraps at 12

    final int TIMES = 50;

    // Show lots of Counter values.
    for (int i = 0; i < TIMES; i++) {
      c1.show(); // Print the value of the first Counter
      System.out.print("\t"); // A tab character between the Counters
      c2.show(); // Print the value of the second Counter
      System.out.println();

      // Tick both Counters.
      c1.tick();
      c2.tick();
    }
    
    // Since the Counter referenced by c1 has limit 5 and we've ticked it 50 times,
    // it now has the value 0.
    c1.advance(3);        // positive advance, no wraparound: value goes to 3
    c1.show();
    System.out.println();
    c1.advance(6);        // positive advance, with wraparound: value goes to 4
    c1.show();
    System.out.println();
    c1.advance(-2);       // negative advance, no wraparound: value goes to 2
    c1.show();
    System.out.println();
    c1.advance(-4);       // negative advance, with wraparound: value goes to 3
    c1.show();
    System.out.println();
  }
}