assertNotNull("Check foo availability", ref_fs);
ServiceReference ref_cs = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), un);
assertNotNull("Check cs availability", ref_cs);
CheckService cs = (CheckService) osgiHelper.getServiceObject(ref_cs);
assertTrue("Check invocation", cs.check());
// Stop the provider.
provider.stop();
assertNull("No FooService", osgiHelper.getServiceReference(FooService.class.getName(), null));
ref_cs = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), un);
assertNotNull("Check cs availability - 2", ref_cs);
long begin = System.currentTimeMillis();
DelayedProvider dp = new DelayedProvider(provider, 200);
dp.start();
cs = (CheckService) osgiHelper.getServiceObject(ref_cs);
assertTrue("Check invocation - 2", cs.check());
long end = System.currentTimeMillis();
assertTrue("Assert delay (" + (end - begin) + ")", (end - begin) >= 200);
ref_cs = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), un);
assertNotNull("Check cs availability - 3", ref_cs);
cs = (CheckService) osgiHelper.getServiceObject(ref_cs);
assertTrue("Check invocation - 3", cs.check());
provider.stop();
provider.dispose();
under.stop();
under.dispose();