@Test
public void testAddService() {
ServiceHolder tested = new ServiceHolder();
Object service = new Object();
tested.addService(service);
Set<String> services = getField(tested, "services");
assertEquals("Size of the \"services\" Set should be 1", 1, services.size());
assertSame(
"The services Set should didn't contain the expect service",
service,
services.iterator().next());
}
@Test
public void fieldInjectedProviderYieldsSingleton() {
Provider<Seat> p = car.fieldPlainSeatProvider;
assertSame(p.get(), p.get());
}
@Test
public void constructorInjectedProviderYieldsSingleton() {
Provider<Seat> p = getField(car, "constructorPlainSeatProvider");
assertSame(p.get(), p.get());
}