@Test public void testAsSetAction() throws Exception { final Value<String> value = Value.create("1"); assertEquals(value.get(), "1"); TestSubscriber<String> testSubscriber = new TestSubscriber<>(); Subscription subscribe = value.asObservable().subscribe(testSubscriber); value.asSetAction().call("2"); testSubscriber.assertValueCount(2); testSubscriber.assertValues("1", "2"); }