Sample Test

SampleTest.java

  public static class MyTest {

     public void testAddTwoNumbers() {

       System.out.println("Adding two numbers");

     }

    public Date testJanuary(int year, int day) {
      System.out.println("Creating new date for january....");
      return new Date();
    }
  }

  public static interface TestObject {

    void another();

  }


  public static void main(String[] args) throws InstantiationException, IllegalAccessException {

   runTests(MyTest.class);

  }

  private static void runTests(Class<?> clazz) throws IllegalAccessException, InstantiationException {
    Method[] methods = clazz.getDeclaredMethods();

    Object o = clazz.newInstance();
    Object[] emptyArgs = {};

    for (Method each : methods) {
      String methodName = each.getName();
      if (methodName.startsWith("test")) {

        // move to the next method in case when
        // method parameters are more then zero
        if (each.getParameterTypes().length != 0) {
          continue;
        }
                
        try {
          each.invoke(o, emptyArgs);
        } catch (InvocationTargetException e) {
          e.printStackTrace();
        }
      }

    }
  }