source: class ReservationTaskTest {
  
      @Rule public JenkinsRule j;
      private static final ExecutorJenkins ACME_EXECUTOR;
      private static final ExecutorJenkins EMCA_EXECUTOR;
  
      @Test
      public void essentials() {
  
target:         ReservationTask id = new ReservationTask(ACME_EXECUTOR, label("foo"), "bar", 42);
          assertEquals(id, id);
          assertEquals(id.hashCode(), id.hashCode());
  
          assertNotEquals(id, new ReservationTask(ACME_EXECUTOR, label("foo"), "bar", 11));
          assertNotEquals(id, new ReservationTask(ACME_EXECUTOR, label("foo"), "BUZ", 42));
          assertNotEquals(id, new ReservationTask(ACME_EXECUTOR, label("UFO"), "bar", 42));
          assertNotEquals(id, new ReservationTask(EMCA_EXECUTOR, label("foo"), "bar", 42));
  
          ReservationTask backfill = new ReservationTask(ACME_EXECUTOR, "foo", true);
          assertEquals(backfill, backfill);
          assertEquals(backfill.hashCode(), backfill.hashCode());
  
          assertNotEquals(backfill, new ReservationTask(EMCA_EXECUTOR, "foo", true));
          assertNotEquals(backfill, new ReservationTask(ACME_EXECUTOR, "bar", true));
  
          // Backfills are never equal to non-backfills
          assertNotEquals(
                  new ReservationTask(ACME_EXECUTOR, "host", true),
                  new ReservationTask(ACME_EXECUTOR, label("host"), "host", -1)
          );
      }
  
  }