public void PartTypeLoadedLazily()
{
var catalog = new TypeLoadNotifyingCatalog(typeof(ExportingPart));
var container = new CompositionContainer(catalog);
catalog.AssertNotLoaded(typeof(ExportingPart));
Assert.Equal(0, catalog.LoadedTypes.Count());
Lazy <IExporter> lazyContract = container.GetExport <IExporter>();
Assert.NotNull(lazyContract);
catalog.AssertNotLoaded(typeof(ExportingPart));
Assert.Equal(0, catalog.LoadedTypes.Count());
IExporter value = lazyContract.Value;
catalog.AssertLoaded(typeof(ExportingPart));
Assert.Equal(1, catalog.LoadedTypes.Count());
}
public void PartTypeLoadedLazilyEagerCollectionDependenciesLoadEagerly()
{
var catalog = new TypeLoadNotifyingCatalog(typeof(ExportingPart), typeof(PartImportingCollectionEagerly));
var container = new CompositionContainer(catalog);
catalog.AssertNotLoaded(typeof(ExportingPart));
catalog.AssertNotLoaded(typeof(PartImportingCollectionEagerly));
Assert.Equal(0, catalog.LoadedTypes.Count());
Lazy <IImporter> lazyContract = container.GetExport <IImporter>();
Assert.NotNull(lazyContract);
catalog.AssertNotLoaded(typeof(PartImportingCollectionEagerly));
catalog.AssertNotLoaded(typeof(ExportingPart));
Assert.Equal(0, catalog.LoadedTypes.Count());
IImporter value = lazyContract.Value;
catalog.AssertLoaded(typeof(PartImportingCollectionEagerly));
catalog.AssertLoaded(typeof(ExportingPart));
Assert.Equal(2, catalog.LoadedTypes.Count());
}
