public void LazyCollectionBuilderHandlesTypesAndProducers()
{
IServiceCollection container = CreateRegister();
var composition = new UmbracoBuilder(container, Mock.Of <IConfiguration>(), TestHelper.GetMockedTypeLoader());
composition.WithCollectionBuilder <TestCollectionBuilder>()
.Add <TransientObject3>()
.Add <TransientObject2>()
.Add <TransientObject3>()
.Add(() => new[] { typeof(TransientObject1) });
IServiceProvider factory = composition.CreateServiceProvider();
TestCollection values = factory.GetRequiredService <TestCollection>();
Assert.AreEqual(3, values.Count());
Assert.IsTrue(values.Select(x => x.GetType())
.ContainsAll(new[] { typeof(TransientObject1), typeof(TransientObject2), typeof(TransientObject3) }));
TestCollection other = factory.GetRequiredService <TestCollection>();
Assert.AreNotSame(values, other); // transient
ITestInterface o1 = other.FirstOrDefault(x => x is TransientObject1);
Assert.IsFalse(values.Contains(o1)); // transient
}