import junit.framework.TestCase;

public class TesterFor extends TestCase {
  
  /**
   * Test cases: 0, 1, many
   * For Strings:
   * - 0 case: ""
   * - 1 case: single character
   * - many: several characters 
   *   (sometimes may need to consider even/odd length)
   * 
   * Objects: null
   */ 
  public void testReverse() {
   
    assertEquals("", ForDemo.reverse(""));
    assertEquals("a", ForDemo.reverse("a"));
    assertEquals(".yadnoM si yadoT", 
                 ForDemo.reverse("Today is Monday."));    
  }  
}