d.RLock()
	defer d.RUnlock()
	return d.requestWatchProgressCounter
}

type dummyWatch struct {
	ch chan watch.Event
}

func (w *dummyWatch) ResultChan() <-chan watch.Event {
	return w.ch
}

func (w *dummyWatch) Stop() {
	close(w.ch)
}

func newDummyWatch() watch.Interface {
	return &dummyWatch{
		ch: make(chan watch.Event),
	}
}

		ResourceVersion: "0",
		Predicate:       storage.Everything,
	})
	if err != nil {
		t.Fatal(err)
	}

	select {
	case _, ok := <-w.ResultChan():
		if ok {
			t.Error("ResultChan() should be closed")
		}
	case <-time.After(wait.ForeverTestTimeout):
		t.Errorf("timeout after %v", wait.ForeverTestTimeout)
	}
}

				t.Errorf("unexpected error: %v, %v", err, action)
			}

			if err := emitFn(obj, action); err != nil {
				t.Errorf("unexpected error: %v", err)
			}

			select {
			case _, ok := <-watcher.ResultChan():
				if !ok {
					t.Errorf("watch channel should be open")
				}
			case <-time.After(wait.ForeverTestTimeout):
				t.Errorf("unexpected timeout from result channel")
			}
			watcher.Stop()

	}

	type result struct {
		before, after string
	}

	resultChan := make(chan result, 1)
	proxyHandler := NewSingleHostReverseProxy(backendURL)
	frontend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		before := r.URL.String()
		proxyHandler.ServeHTTP(w, r)
		after := r.URL.String()
		resultChan <- result{before: before, after: after}
	}))
	defer frontend.Close()

	watcher := &errWatcher{result: make(chan watch.Event, 1)}
	watcher.result <- errEvent
	close(watcher.result)

	return watcher
}

// Implements watch.Interface.
func (c *errWatcher) ResultChan() <-chan watch.Event {
	return c.result
}

// Implements watch.Interface.
func (c *errWatcher) Stop() {
	// no-op
}

		Do().Watch("12")

	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	defer w.Stop()
	ch := w.ResultChan()
	select {
	case obj := <-ch:
		if obj.Type != watch.Added {
			t.Fatalf("unexpected watch event %#v", obj)
		}
		service, ok := obj.Object.(*v1.Service)
		if !ok {