/// <summary>
/// Subscribe the handler for the given event and adds the unsubscription
/// to the DisposableContanier so it is called on Dispose.
/// </summary>
/// <param name="container">The container where the event unsubscription is added.</param>
/// <param name="type">The type which contains the static event.</param>
/// <param name="eventName">The name of the event. It is case sensitive.</param>
/// <param name="handler">The handler which are subscripted to the event.</param>
public static void AddEventSubscription(this DisposableContainer container,
Type type,
string eventName,
Action handler)
{
container.AddManagedResource(new EventSubscription(type, eventName, handler));
}
public void AddCleanupAction_adds_CleanupAction_to_the_DisposableContainer()
{
var container = new DisposableContainer();
var mock1 = new Mock <Action>();
container.AddCleanupAction(mock1.Object);
container.Dispose();
mock1.Verify(d => d(), Times.Once);
}
public void Dispose_disposes_only_once()
{
var container = new DisposableContainer();
var mock = new Mock <IDisposable>();
container.AddManagedResource(mock.Object);
container.Dispose();
container.Dispose();
mock.Verify(d => d.Dispose(), Times.Once);
}
public void AddManagedResource_adds_Disposables_which_is_called_on_dispose()
{
var container = new DisposableContainer();
var mock1 = new Mock <IDisposable>();
var mock2 = new Mock <IDisposable>();
container.AddManagedResource(mock1.Object);
container.AddManagedResource(mock2.Object);
container.Dispose();
mock1.Verify(d => d.Dispose(), Times.Once);
mock2.Verify(d => d.Dispose(), Times.Once);
}
public void Dispose_doesnt_stop_when_a_dispose_failed()
{
var container = new DisposableContainer();
var mock1 = new Mock <IDisposable>();
mock1.Setup(e => e.Dispose()).Throws(new Exception());
var mock2 = new Mock <IDisposable>();
container.AddManagedResource(mock1.Object);
container.AddManagedResource(mock2.Object);
container.Dispose();
mock2.Verify(d => d.Dispose(), Times.Once);
}
public void AddEventSubscription_adds_static_handler_delegate_to_the_DisposableContainer()
{
var container = new DisposableContainer();
var instanceMock = new Mock <IDummyObserver>();
var args = new EventArgs();
container.AddEventSubscription <object, EventArgs>(
typeof(DummyEventSource),
nameof(DummyEventSource.StaticHandler1),
instanceMock.Object.EventHandler);
DummyEventSource.InvokeStaticHandler1(args);
container.Dispose();
DummyEventSource.InvokeStaticHandler1(args);
instanceMock.Verify(d => d.EventHandler(It.IsAny <object>(), It.IsAny <EventArgs>()), Times.Once);
}
public void Dispose_calls_DisposeFailed_on_Exception()
{
var container = new DisposableContainer();
var mock1 = new Mock <IDisposable>();
var ex = new Exception();
mock1.Setup(e => e.Dispose()).Throws(ex);
IDisposable resultDisposable = null;
Exception resultException = null;
container.DisposeFailed += (d, e) =>
{
resultDisposable = d;
resultException = e;
};
container.AddManagedResource(mock1.Object);
container.Dispose();
resultDisposable.Should().BeSameAs(mock1.Object);
resultException.Should().BeSameAs(ex);
}
/// <summary>
/// Adds an action that is executed on Dispose.
/// </summary>
/// <param name="container">The container to add the action.</param>
/// <param name="cleanupAction">the action to add.</param>
public static void AddCleanupAction(this DisposableContainer container,
Action cleanupAction)
{
container.AddManagedResource(new CleanupAction(cleanupAction));
}