@Test
public void constructorInjectionWithProviders() {
Provider<Seat> p1 = getField(car, "constructorPlainSeatProvider");
assertNotNull(p1.get());
Provider<Tire> p2 = getField(car, "constructorPlainTireProvider");
assertNotNull(p2.get());
}
@Test
public void constructorInjectedProviderYieldsDistinctValues() {
Provider<Seat> p1 = getField(car, "constructorDriversSeatProvider");
assertNotSame(p1.get(), p1.get());
Provider<Tire> p2 = getField(car, "constructorPlainTireProvider");
assertNotSame(p2.get(), p2.get());
Provider<Tire> p3 = getField(car, "constructorSpareTireProvider");
assertNotSame(p3.get(), p3.get());
}
@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());
}