public void IsEnlistedDisposable()
{
Action dispose = () => { };
IDisposable first = dispose.ToDisposable();
IDisposable second = dispose.ToDisposable();
using (DisposableContext dc = new DisposableContext())
{
dc.Enlist(first);
Assert.IsTrue(dc.IsEnlisted(first));
using (DisposableContext dc2 = new DisposableContext())
{
dc2.Enlist(second);
Assert.IsFalse(dc2.IsEnlisted(first));
Assert.IsTrue(dc2.IsEnlisted(second));
}
Assert.IsTrue(dc.IsEnlisted(first));
Assert.IsTrue(dc.IsEnlisted(second));
Assert.IsFalse(dc.IsEnlisted(dispose.ToDisposable()));
}
}
public void Current_WithoutNested_ReturnsCorrectInstance()
{
using (DisposableContext dc = new DisposableContext())
{
Assert.IsTrue(ReferenceEquals(dc, DisposableContext.Current));
}
}
public void Dispose_WhenHasEnlistent_DisposesEnlistment()
{
bool disposed = false;
Action dispose = () => disposed = true;
using (DisposableContext dc = new DisposableContext())
{
dc.Enlist(dispose.ToDisposable());
}
Assert.IsTrue(disposed);
}
public void DisposeHandlesExceptionsGracefully()
{
bool disposed = false;
Action dispose = () => disposed = true;
Action throwOnDispose = () => { Assert.IsFalse(disposed); throw new InvalidOperationException(); };
try
{
using (DisposableContext dc = new DisposableContext())
{
dc.Enlist(throwOnDispose.ToDisposable());
dc.Enlist(dispose.ToDisposable());
}
}
catch (AggregateException ex)
{
Assert.IsTrue(disposed);
Assert.AreEqual(1, ex.InnerExceptions.Count);
Assert.IsAssignableFrom <InvalidOperationException>(ex.InnerExceptions[0]);
}
}