/// <summary>
/// Throws an exception if the specified object has been disposed.
/// </summary>
/// <param name="obj">The object in question.</param>
public static void NotDisposed( DisposableObject obj )
{
if ( obj.IsDisposed )
{
throw new ObjectDisposedException( obj.GetType().Name );
}
}
private void UsingKeyword()
{
using (DisposableObject disposable = new DisposableObject())
{
disposable.WriteOut("Invoking Method on IDisposable instnace.");
}
}
public void CastingWillSkipModulesWhichAreNotValidTargetsForTheCast()
{
var inner = new DisposableObject();
dynamic value = new DelegatingObject( inner, new DelegatingObject() );
IDisposable instance = value;
Assert.AreSame( instance, inner );
}
public void CastingToAnInterfaceWhenThereIsAConflictBetweenModulesPrefersTheModuleThatWasLoadedLast()
{
var first = new DisposableObject();
var second = new DisposableObject();
dynamic value = new DelegatingObject( first, second );
IDisposable instance = value;
Assert.AreSame( second, instance );
}
public void DisposingContainerDisposesOwnedInstances()
{
DisposableObject o = new DisposableObject();
IUnityContainer container = new UnityContainer()
.RegisterInstance(typeof(object), o);
container.Dispose();
Assert.IsTrue(o.WasDisposed);
}
protected override void DoCloseStream()
{
if (m_Writer != null)
{
m_Writer.Flush();
m_Writer.Close();
DisposableObject.DisposeAndNull(ref m_Writer);
}
}
public void AccessingDisposedClosure()
{
using (var disposableObject = new DisposableObject())
{
// Cannot fix this without rewriting - genuine bug
SetAction(() => disposableObject.DoSomething(42));
}
CallAction();
}
private void MainForm_FormClosed(object sender, FormClosedEventArgs e)
{
m_Pile.WaitForCompleteStop();
DisposableObject.DisposeAndNull(ref m_Threads);
DisposableObject.DisposeAndNull(ref m_Graph);
//DisposableObject.DisposeAndNull(ref m_CLRStore);
//DisposableObject.DisposeAndNull(ref m_CLRThreads);
}
public void ContainerDefaultsToInstanceOwnershipViaGenericMethod()
{
DisposableObject o = new DisposableObject();
IUnityContainer container = new UnityContainer()
.RegisterInstance(typeof(DisposableObject), o);
container.Dispose();
Assert.IsTrue(o.WasDisposed);
}
public void DisposingContainerDoesNotDisposeUnownedInstances()
{
DisposableObject o = new DisposableObject();
IUnityContainer container = new UnityContainer()
.RegisterInstance(typeof(object), o, new ExternallyControlledLifetimeManager());
container.Dispose();
Assert.IsFalse(o.WasDisposed);
GC.KeepAlive(o);
}
protected override void Destructor()
{
base.Destructor();
App.Singletons.Remove <PortalHub>();
m_Portals.ForEach(p => p.Dispose());
DisposableObject.DisposeAndNull(ref m_ContentFS);
}
public void DisposingContainerDisposesOwnedObjects()
{
ILifetimeContainer container = new LifetimeContainer();
DisposableObject mdo = new DisposableObject();
container.Add(mdo);
container.Dispose();
Assert.IsTrue(mdo.WasDisposed);
}
protected override void Destructor()
{
foreach (var hs in m_HostSets)
{
hs.Dispose();
}
DisposableObject.DisposeAndNull(ref m_InstrumentationEvent);
base.Destructor();
}
public void TestTryAddReferenceFailsAfterDispose()
{
var target = new DisposableObject();
var reference = new ReferenceCountedDisposable <DisposableObject>(target);
reference.Dispose();
Assert.Null(reference.TryAddReference());
}
/// <summary>
/// Starts the application container, used by daemons directly
/// </summary>
public static void Stop()
{
DisposableObject.DisposeAndNull(ref s_Server);
DisposableObject.DisposeAndNull(ref s_Application);
if (s_Sipc != null)
{
DisposableObject.DisposeAndNull(ref s_Sipc);
}
}
public static IDisposable Binding <TFilter, TObject>(
this AutoCompleteBox acb,
IFilterViewModel <TFilter, TObject> filterViewModel,
Action <IFilterViewModel <TFilter, TObject>, string> action = null,
Action <bool> busy = null,
int startWith = 1)
{
var disposableObject = new DisposableObject();
var searchTextEntered = acb.WhenAny(x => x.SearchText, x => x.Value)
.Do(_ => filterViewModel.Abort())
.Throttle(TimeSpan.FromSeconds(1))
.Where(text => !string.IsNullOrWhiteSpace(text))
.Where(text => text.Length >= startWith)
.ObserveOnUiSafeScheduler()
.Do(text =>
{
if (action != null)
{
action(filterViewModel, string.Concat(text, "*"));
}
});
disposableObject.Add(
searchTextEntered.Subscribe(
_ =>
{
if (filterViewModel.Result != null)
{
filterViewModel.Result.Clear();
}
filterViewModel.InvokeCommand.Execute(null);
}));
var loadCompleted = filterViewModel.WhenAny(x => x.Result, x => x.Value)
.Where(x => x != null && x.Count > 0);
disposableObject.Add(loadCompleted.ObserveOnUiSafeScheduler().Subscribe(
result =>
{
acb.ItemsSource = result;
if (acb.IsKeyboardFocusWithin)
{
acb.IsDropDownOpen = true;
}
}));
if (busy != null)
{
disposableObject.Add(filterViewModel.WhenAnyValue(x => x.IsBusy).Subscribe(busy));
}
return(disposableObject);
}
public void RemovingItemsFromContainerDoesNotDisposeThem()
{
ILifetimeContainer container = new LifetimeContainer();
DisposableObject mdo = new DisposableObject();
container.Add(mdo);
container.Remove(mdo);
container.Dispose();
Assert.IsFalse(mdo.WasDisposed);
}
protected override void Destructor()
{
DisposableObject.DisposeAndNull(ref m_ManagementEvent);
foreach (var server in m_Servers)
{
server.Dispose();
}
base.Destructor();
}
public static void DisposeMany()
{
var obj1 = new DisposableObject();
var obj2 = new DisposableObject();
False(obj1.IsDisposed);
False(obj2.IsDisposed);
Disposable.Dispose(obj1, obj2, null);
True(obj1.IsDisposed);
True(obj2.IsDisposed);
}
protected override void DoStart()
{
if (m_TargetName.IsNullOrWhiteSpace())
{
throw new MDBException(StringConsts.MDB_STORE_CONFIG_NO_TARGET_NAME_ERROR);
}
if (m_Areas.Count == 0)
{
throw new MDBException(StringConsts.MDB_STORE_CONFIG_NO_AREAS_ERROR);
}
try
{
GDIDAuthorityService.CheckNameValidity(m_SchemaName);
GDIDAuthorityService.CheckNameValidity(m_BankName);
var gdidScope = GetGDIDScopePrefix(m_SchemaName, m_BankName);
m_GDIDGenerator = new GDIDGenerator("GDIDGen({0})".Args(gdidScope), this, gdidScope, null);
if (AgniSystem.IsMetabase)
{
foreach (var ah in AgniSystem.Metabase.GDIDAuthorities)
{
m_GDIDGenerator.AuthorityHosts.Register(ah);
App.Log.Write(new NFX.Log.Message
{
Type = NFX.Log.MessageType.InfoD,
Topic = SysConsts.LOG_TOPIC_MDB,
From = GetType().FullName + ".makeGDIDGen()",
Text = "Registered GDID authority host: " + ah.ToString()
});
}
}
}
catch (Exception error)
{
throw new MDBException(StringConsts.MDB_STORE_CONFIG_GDID_ERROR + error.ToMessageWithType());
}
try
{
m_Cache = new LocalCache("MDBDataStore::" + Name, this);
m_Cache.Pile = new DefaultPile(m_Cache, "MDBDataStore::Pile::" + Name);
m_Cache.Configure(null);
m_Cache.Start();
}
catch
{
try { DisposableObject.DisposeAndNull(ref m_GDIDGenerator); } catch {}
try { DisposableObject.DisposeAndNull(ref m_Cache); } catch {}
throw;
}
}
public static async Task DisposeManyAsync()
{
var obj1 = new DisposableObject();
var obj2 = new DisposableObject();
False(obj1.IsDisposed);
False(obj2.IsDisposed);
await Disposable.DisposeAsync(obj1, obj2, null);
True(obj1.IsDisposed);
True(obj2.IsDisposed);
}
bool IRunnableHook.Epilogue(Runner runner, FID id, Exception error)
{
Console.WriteLine("{0}.{1}".Args(GetType().FullName, "RigTearDown()..."));
DoRigTearDown();
DisposableObject.DisposeAndNull(ref m_TestApp);
DisposableObject.DisposeAndNull(ref m_FS);
Console.WriteLine("{0}.{1}".Args(GetType().FullName, "...RigTearDown() DONE"));
return(false);
}
public void DisposingParentDisposesChild()
{
UnityContainer parent = new UnityContainer();
IUnityContainer child = parent.CreateChildContainer();
DisposableObject spy = new DisposableObject();
child.RegisterInstance <DisposableObject>(spy);
parent.Dispose();
Assert.True(spy.WasDisposed);
}
protected override void Destructor()
{
lock (s_Lock)
{
base.Destructor();
DisposableObject.DisposeAndNull(ref m_GraphHost);
DisposableObject.DisposeAndNull(ref m_DataStore);
s_Instance = null;
}
}
protected override Task OnInitializedAsync()
{
disposable = DisposableObject.Create(Dispose);
BlazorDialogManager.ErrorMessages.Subscribe(errorMessage =>
{
Message = errorMessage;
ShowPopup = true;
}).DisposeWith(disposable.CompositeDisposable);
return(base.OnInitializedAsync());
}
protected override void Destructor()
{
base.Destructor();
DisposableObject.DisposeAndNull(ref m_Reader);
DisposableObject.DisposeAndNull(ref m_Command);
if (m_Context.Transaction == null)
{
m_Context.Connection.Dispose();
}
}
public void DisposingContainerDisposesSingletons()
{
IUnityContainer container = new UnityContainer()
.RegisterType <DisposableObject>(new ContainerControlledLifetimeManager());
DisposableObject dobj = container.Resolve <DisposableObject>();
Assert.IsFalse(dobj.WasDisposed);
container.Dispose();
Assert.IsTrue(dobj.WasDisposed);
}
public ObjectLifetimeMain()
{
UsingKeyword();
DisposableObject item = new DisposableObject();
new DisposableObject();
new GarbageCollection();
if (item is IDisposable)
( item as IDisposable ).Dispose();
}
private object GetViewModel([NotNull] Type viewModelType, IObservable <Unit> _destroyObservable = null)
{
Contract.Requires(viewModelType != null);
Contract.Ensures(Contract.Result <object>() != null);
if (viewModelType.GetInterface("IDisposable") == null)
{
var viewModel = _dependencyResolver.GetService(viewModelType);
if (viewModel == null)
{
throw new InvalidOperationException(
"(RoutableViewModelManager.Get<>) Not resolve {0}".StringFormat(viewModelType));
}
return(viewModel);
}
var exportFactoryInstantiatorType = typeof(ExportFactoryInstantiator <>).MakeGenericType(viewModelType);
dynamic exportFactoryInstantiator = _dependencyResolver.GetService(exportFactoryInstantiatorType);
if (exportFactoryInstantiator == null)
{
throw new InvalidOperationException(
"(RoutableViewModelManager.Get<>) Not resolve {0}".StringFormat(viewModelType));
}
var disposable = new DisposableObject();
Action disposeAction = () =>
{
exportFactoryInstantiator.DisposeOnDemand();
disposable.Dispose();
};
if (_destroyObservable != null)
{
disposable.Add(_destroyObservable.Subscribe(_ => disposeAction()));
}
else
{
disposable.Add(
_screen.Router.NavigationStack.ItemsRemoved.Where(
viewModel => object.ReferenceEquals(viewModel, exportFactoryInstantiator.Instance))
.Subscribe(viewModel => disposeAction()));
}
var resolvedViewModel = exportFactoryInstantiator.Instance;
return(resolvedViewModel);
}
public void TestWeakReferenceCannotBeCreatedFromDisposedReference_NoPriorWeakReference()
{
var target = new DisposableObject();
var reference = new ReferenceCountedDisposable <DisposableObject>(target);
var secondReference = reference.TryAddReference();
Assert.NotNull(secondReference);
reference.Dispose();
var weakReference = new ReferenceCountedDisposable <DisposableObject> .WeakReference(reference);
Assert.Null(weakReference.TryAddReference());
}
public void DisposeInstances_ListWithOneItem_DisposesItem()
{
// Arrange
var disposable = new DisposableObject();
var disposables = new List <IDisposable> {
disposable
};
// Act
ScopedLifestyle.DisposeInstances(disposables);
// Assert
Assert.AreEqual(1, disposable.DisposeCount);
}
public void ContainerEnsuresObjectsWontBeCollected()
{
ILifetimeContainer container = new LifetimeContainer();
DisposableObject mdo = new DisposableObject();
WeakReference wref = new WeakReference(mdo);
container.Add(mdo);
mdo = null;
GC.Collect();
Assert.AreEqual(1, container.Count);
mdo = wref.Target as DisposableObject;
Assert.IsNotNull(mdo);
Assert.IsFalse(mdo.WasDisposed);
}
public void CanRegisterDefaultInstanceWithoutLifetimeViaGenericMethod()
{
DisposableObject o = new DisposableObject();
IUnityContainer container = new UnityContainer()
.RegisterInstance <object>(o, new ExternallyControlledLifetimeManager());
object result = container.Resolve <object>();
Assert.IsNotNull(result);
Assert.AreSame(o, result);
container.Dispose();
Assert.IsFalse(o.WasDisposed);
GC.KeepAlive(o);
}
public void Verify_VerifyingAScopedInstance_DisposesThatInstance()
{
// Arrange
var disposable = new DisposableObject();
var scopedLifestyle = new FakeScopedLifestyle(scope: null);
var container = new Container();
container.Register <IDisposable>(() => disposable, scopedLifestyle);
// Act
container.Verify();
// Assert
Assert.IsTrue(disposable.IsDisposedOnce);
}
public Cursor OpenCursor(Query query)
{
Cursor result = null;
var cnn = GetConnection();
try
{
result = DoOpenCursor(cnn, null, query);
}
catch
{
DisposableObject.DisposeAndNull(ref cnn);
throw;
}
return(result);
}
/// <summary>
/// Determine if a <see cref="DisposableObject"/> has been disposed.
/// </summary>
/// <param name="disposableObject">
/// The <see cref="DisposableObject"/> to examine.
/// </param>
/// <returns>
/// <c>true</c>, if the object has been disposed; otherwise, <c>false</c>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="disposableObject"/> is <c>null</c>.
/// </exception>
public static bool IsObjectDisposed(DisposableObject disposableObject)
{
if (disposableObject == null)
throw new ArgumentNullException(nameof(disposableObject));
return disposableObject.IsDisposed;
}
