}
public void testOptional() {
ServiceReference arch_ref = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), instance2.getInstanceName());
assertNotNull("Check architecture availability", arch_ref);
InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);
ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance2.getInstanceName());
assertNotNull("Check CheckService availability", cs_ref);
CheckService cs = (CheckService) getContext().getService(cs_ref);
Properties props = cs.getProps();
//Check properties
assertFalse("check CheckService invocation - 0", ((Boolean)props.get("result")).booleanValue()); // False : no provider
assertEquals("check void bind invocation - 0", ((Integer)props.get("voidB")).intValue(), 0);
assertEquals("check void unbind callback invocation - 0", ((Integer)props.get("voidU")).intValue(), 0);
assertEquals("check object bind callback invocation - 0", ((Integer)props.get("objectB")).intValue(), 0);
assertEquals("check object unbind callback invocation - 0", ((Integer)props.get("objectU")).intValue(), 0);
assertEquals("check ref bind callback invocation - 0", ((Integer)props.get("refB")).intValue(), 0);
assertEquals("check ref unbind callback invocation - 0", ((Integer)props.get("refU")).intValue(), 0);
assertEquals("Check FS invocation (int) - 0", ((Integer)props.get("int")).intValue(), 0);
assertEquals("Check FS invocation (long) - 0", ((Long)props.get("long")).longValue(), 0);
assertEquals("Check FS invocation (double) - 0", ((Double)props.get("double")).doubleValue(), 0.0);
fooProvider1.start();
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);
cs = (CheckService) getContext().getService(cs_ref);
props = cs.getProps();
//Check properties
assertTrue("check CheckService invocation - 1", ((Boolean)props.get("result")).booleanValue()); // True, a provider is here
assertEquals("check void bind invocation - 1", ((Integer)props.get("voidB")).intValue(), 0);
assertEquals("check void unbind callback invocation - 1", ((Integer)props.get("voidU")).intValue(), 0);
assertEquals("check object bind callback invocation - 1", ((Integer)props.get("objectB")).intValue(), 0);
assertEquals("check object unbind callback invocation - 1", ((Integer)props.get("objectU")).intValue(), 0);
assertEquals("check ref bind callback invocation - 1", ((Integer)props.get("refB")).intValue(), 0);
assertEquals("check ref unbind callback invocation - 1", ((Integer)props.get("refU")).intValue(), 0);
assertEquals("Check FS invocation (int) - 1", ((Integer)props.get("int")).intValue(), 1);
assertEquals("Check FS invocation (long) - 1", ((Long)props.get("long")).longValue(), 1);
assertEquals("Check FS invocation (double) - 1", ((Double)props.get("double")).doubleValue(), 1.0);
fooProvider2.start();
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);
cs = (CheckService) getContext().getService(cs_ref);
props = cs.getProps();
//Check properties
assertTrue("check CheckService invocation - 2", ((Boolean)props.get("result")).booleanValue()); // True, two providers are here
assertEquals("check void bind invocation - 2", ((Integer)props.get("voidB")).intValue(), 0);
assertEquals("check void unbind callback invocation - 2", ((Integer)props.get("voidU")).intValue(), 0);
assertEquals("check object bind callback invocation - 2", ((Integer)props.get("objectB")).intValue(), 0);
assertEquals("check object unbind callback invocation - 2", ((Integer)props.get("objectU")).intValue(), 0);
assertEquals("check ref bind callback invocation - 2", ((Integer)props.get("refB")).intValue(), 0);
assertEquals("check ref unbind callback invocation - 2", ((Integer)props.get("refU")).intValue(), 0);
assertEquals("Check FS invocation (int) - 2", ((Integer)props.get("int")).intValue(), 2);
assertEquals("Check FS invocation (long) - 2", ((Long)props.get("long")).longValue(), 2);
assertEquals("Check FS invocation (double) - 2", ((Double)props.get("double")).doubleValue(), 2.0);
fooProvider1.stop();
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 4", id.getState() == ComponentInstance.VALID);
cs = (CheckService) getContext().getService(cs_ref);
props = cs.getProps();
//Check properties
assertTrue("check CheckService invocation - 3", ((Boolean)props.get("result")).booleanValue()); // True, it still one provider.
assertEquals("check void bind invocation - 3", ((Integer)props.get("voidB")).intValue(), 0);
assertEquals("check void unbind callback invocation - 3", ((Integer)props.get("voidU")).intValue(), 0);
assertEquals("check object bind callback invocation - 3", ((Integer)props.get("objectB")).intValue(), 0);
assertEquals("check object unbind callback invocation - 3", ((Integer)props.get("objectU")).intValue(), 0);
assertEquals("check ref bind callback invocation - 3", ((Integer)props.get("refB")).intValue(), 0);
assertEquals("check ref unbind callback invocation - 3", ((Integer)props.get("refU")).intValue(), 0);
assertEquals("Check FS invocation (int) - 3", ((Integer)props.get("int")).intValue(), 1);
assertEquals("Check FS invocation (long) - 3", ((Long)props.get("long")).longValue(), 1);
assertEquals("Check FS invocation (double) - 3", ((Double)props.get("double")).doubleValue(), 1.0);
fooProvider2.stop();
id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
assertTrue("Check instance validity - 5", id.getState() == ComponentInstance.VALID);
cs = (CheckService) getContext().getService(cs_ref);
props = cs.getProps();
//Check properties
assertFalse("check CheckService invocation - 4", ((Boolean)props.get("result")).booleanValue()); // False, no more provider.