// tests ClockTime class. 
public class ClockTimeTest { 

  // Print s 
  public static void show(String s) { 
    System.out.println(s); 
  } 

  // Empty constructor
  public ClockTimeTest() {}

  // runs all tests
  public void runTests(){ 
    ClockTime ct1 = new ClockTime(10,10); 
    ClockTimeTest.show(ct1.toString()); 
    ClockTime ct2 = new ClockTime(0,59); 
    ClockTimeTest.show(ct2.toString()); 
    ClockTime ct3 = new ClockTime(3,44); 
    ClockTimeTest.show(ct3.toString()); 
    ClockTime ct4 = new ClockTime(22,0); 
    ClockTimeTest.show(ct4.toString()); 
    //ClockTime ct5 = new ClockTime(-1,0); // throws an exception
    ClockTime ct5 = new ClockTime(5,77); // throws an exception

  } 

  public static void main(String[] argv){ 
    ClockTimeTest cTimeTest = new ClockTimeTest(); 
    cTimeTest.runTests(); 
  } 
}