source: class TestAgeMerger {
  
      @Test
      public void testAgeMergerDays() {
  
target:         
          AgeMerger merger = new AgeMerger();
          
          Number expected = 20.0;
          
          Calendar cal = Calendar.getInstance();
          cal.add(Calendar.DAY_OF_MONTH, -1* expected.intValue());
          
          Number result = merger.mergeObjects(cal, new String[] { AgeMerger.DAYS });
          
          assertEquals("should be the same age in weeks", expected.intValue(), result.intValue());
          
      }
  
  }