public void AnyPart_Simple_ShouldNotBeCollected()
{
var catalog = new TypeCatalog(typeof(AnyPartSimple));
var container = new CompositionContainer(catalog);
var refTracker = new ReferenceTracker();
refTracker.AddReferencesNotExpectedToBeCollected(
container.GetExportedValue<AnyPartSimple>());
refTracker.CollectAndAssert();
GC.KeepAlive(container);
}
public void AddRemovePart_SharedPart_ShouldCollectOnlyRoot()
{
var container = GetContainer();
var exportedValue = new SharedImporter();
CompositionBatch batch = new CompositionBatch();
var part = batch.AddPart(exportedValue);
container.Compose(batch);
batch = null;
batch = new CompositionBatch();
batch.RemovePart(part);
container.Compose(batch);
batch = null;
var refTracker = new ReferenceTracker();
refTracker.AddReferencesExpectedToBeCollected(
exportedValue);
refTracker.AddReferencesNotExpectedToBeCollected(
exportedValue.AnyPartDisposable,
exportedValue.AnyPartDisposableRecomposable,
exportedValue.AnyPartRecomposable,
exportedValue.AnyPartSimple);
part = null;
exportedValue = null;
refTracker.CollectAndAssert();
GC.KeepAlive(container);
}
public void NonSharedPart_RecomposableImport_WithReference_ShouldNotBeCollected()
{
var catalog = new TypeCatalog(typeof(NonSharedPartRecomposable));
var container = new CompositionContainer(catalog);
// Setup dependency
CompositionBatch batch = new CompositionBatch();
var valueKey = batch.AddExportedValue("Value", 21);
container.Compose(batch);
batch = null;
var exportedValue = container.GetExportedValue<NonSharedPartRecomposable>();
var refTracker = new ReferenceTracker();
refTracker.AddReferencesNotExpectedToBeCollected(exportedValue);
refTracker.CollectAndAssert();
// Recompose should work because we are still holding a reference to the exported value.
batch = new CompositionBatch();
batch.RemovePart(valueKey);
batch.AddExportedValue("Value", 42);
container.Compose(batch);
batch = null;
Assert.AreEqual(42, exportedValue.Value, "Value should have been recomposed");
GC.KeepAlive(container);
}
public void NonSharedPart_DisposableRecomposabeImport_NoReference_ShouldNotBeCollected()
{
var catalog = new TypeCatalog(typeof(NonSharedPartDisposableRecomposable));
var container = new CompositionContainer(catalog);
// Setup dependency
CompositionBatch batch = new CompositionBatch();
var valueKey = batch.AddExportedValue("Value", 21);
container.Compose(batch);
batch = null;
var refTracker = new ReferenceTracker();
refTracker.AddReferencesNotExpectedToBeCollected(
container.GetExportedValue<NonSharedPartDisposableRecomposable>());
refTracker.CollectAndAssert();
// Recompose just to ensure we don't blow up, even though we don't expect anything to happen.
batch = new CompositionBatch();
batch.RemovePart(valueKey);
batch.AddExportedValue("Value", 42);
container.Compose(batch);
batch = null;
var exportedValue = (NonSharedPartDisposableRecomposable)refTracker.ReferencesNotExpectedToBeCollected[0].Target;
Assert.AreEqual(42, exportedValue.Value, "Value shoudl ahve been recomposed.");
GC.KeepAlive(container);
}
public void SharedPart_DisposableRecomposabeImport_ShouldNotBeCollected()
{
var catalog = new TypeCatalog(typeof(SharedPartDisposableRecomposable));
var container = new CompositionContainer(catalog);
// Setup dependency
CompositionBatch batch = new CompositionBatch();
var valueKey = batch.AddExportedValue("Value", 21);
container.Compose(batch);
batch = null;
var refTracker = new ReferenceTracker();
refTracker.AddReferencesNotExpectedToBeCollected(
container.GetExportedValue<SharedPartDisposableRecomposable>());
refTracker.CollectAndAssert();
// Lets make sure recomposition doesn't blow anything up here.
batch = new CompositionBatch();
batch.RemovePart(valueKey);
batch.AddExportedValue("Value", 42);
container.Compose(batch);
batch = null;
var exportedValue = (SharedPartDisposableRecomposable)refTracker.ReferencesNotExpectedToBeCollected[0].Target;
Assert.AreEqual(42, exportedValue.Value);
container.Dispose();
Assert.IsTrue(exportedValue.IsDisposed, "Any parts should be disposed with the container!");
}
public void AnyPart_RecomposabeImport_ShouldNotBeCollected()
{
var catalog = new TypeCatalog(typeof(AnyPartRecomposable));
var container = new CompositionContainer(catalog);
// Setup dependency
CompositionBatch batch = new CompositionBatch();
var valueKey = batch.AddExportedValue("Value", 21);
container.Compose(batch);
batch = null;
var refTracker = new ReferenceTracker();
refTracker.AddReferencesNotExpectedToBeCollected(
container.GetExportedValue<AnyPartRecomposable>());
refTracker.CollectAndAssert();
// Lets make sure recomposition doesn't blow anything up here.
batch = new CompositionBatch();
batch.RemovePart(valueKey);
batch.AddExportedValue("Value", 42);
container.Compose(batch);
batch = null;
var exportedValue = (AnyPartRecomposable)refTracker.ReferencesNotExpectedToBeCollected[0].Target;
Assert.AreEqual(42, exportedValue.Value);
GC.KeepAlive(container);
}
public void GetReleaseExport_SharedPart_ShouldCollectOnlyRoot()
{
var container = GetContainer();
var export = container.GetExport<SharedImporter>();
var exportedValue = export.Value;
container.ReleaseExport(export);
var refTracker = new ReferenceTracker();
refTracker.AddReferencesExpectedToBeCollected(
exportedValue);
refTracker.AddReferencesNotExpectedToBeCollected(
exportedValue.AnyPartDisposable,
exportedValue.AnyPartDisposableRecomposable,
exportedValue.AnyPartRecomposable,
exportedValue.AnyPartSimple);
export = null;
exportedValue = null;
refTracker.CollectAndAssert();
GC.KeepAlive(container);
}
public void ChildContainerDispose_NonSharedPart_ShouldOnlyCleanupChildAndSimpleNonShared()
{
var child = CreateParentChildContainerWithNonSharedImporter();
var exportedValue = child.GetExportedValue<NonSharedImporter>();
child.Dispose();
var refTracker = new ReferenceTracker();
refTracker.AddReferencesExpectedToBeCollected(
exportedValue, // object in child
exportedValue.AnyPartSimple, // No reference parent so collected.
exportedValue.AnyPartRecomposable);
// These are in the parent and will not be cleaned out
refTracker.AddReferencesNotExpectedToBeCollected(
exportedValue.AnyPartDisposable,
exportedValue.AnyPartDisposableRecomposable);
exportedValue = null;
refTracker.CollectAndAssert();
GC.KeepAlive(child);
}
public void NonSharedImporter_ReleaseReference_ShouldCollectWholeChain()
{
var container = GetContainer();
var export = container.GetExport<NonSharedImporter>();
var exportedValue = export.Value;
var refTracker = new ReferenceTracker();
// Non-Disposable references in the chain should be GC'ed
refTracker.AddReferencesExpectedToBeCollected(
exportedValue,
exportedValue.AnyPartRecomposable,
exportedValue.AnyPartSimple);
// Disposable references in the chain should NOT be GC'ed
refTracker.AddReferencesNotExpectedToBeCollected(
exportedValue.AnyPartDisposable,
exportedValue.AnyPartDisposableRecomposable);
export = null;
exportedValue = null;
refTracker.CollectAndAssert();
GC.KeepAlive(container);
}