public void Dispose_Nothing()
{
MultiDisposable subject = new MultiDisposable();
subject.Dispose();
Assert.Pass();
}
public void Dispose_MultipleObjectsByConstructorInReverseOrder()
{
TestDisposable first = new TestDisposable();
TestDisposable middle = new TestDisposable();
TestDisposable last = new TestDisposable();
MultiDisposable subject = new MultiDisposable(first, middle, last);
subject.Dispose();
Assert.IsTrue(first.DisposedOrderPosition > middle.DisposedOrderPosition && middle.DisposedOrderPosition > last.DisposedOrderPosition);
}
public void Dispose_MultipleObjectsInReverseOrder()
{
MultiDisposable subject = new MultiDisposable();
TestDisposable first = subject.Add(new TestDisposable());
TestDisposable middle = subject.Add(new TestDisposable());
TestDisposable last = subject.Add(new TestDisposable());
subject.Dispose();
Assert.IsTrue(first.DisposedOrderPosition > middle.DisposedOrderPosition && middle.DisposedOrderPosition > last.DisposedOrderPosition);
}
public void Dispose_MultipleObjectsAllDisposed_LastExceptionThrown()
{
MultiDisposable subject = new MultiDisposable();
const string lastExceptionMessage = "Last exception";
Exception lastException = new Exception(lastExceptionMessage);
TestDisposable first = subject.Add(new TestDisposable(lastException));
TestDisposable middle = subject.Add(new TestDisposable(new Exception()));
TestDisposable last = subject.Add(new TestDisposable(new Exception()));
try
{
subject.Dispose();
Assert.Fail("Exception should have been thrown");
}
catch (Exception ex)
{
Assert.AreSame(lastException, ex);
Assert.AreEqual(lastExceptionMessage, ex.Message);
}
Assert.IsTrue(last.DisposedOrderPosition > 0U);
Assert.IsTrue(first.DisposedOrderPosition > middle.DisposedOrderPosition && middle.DisposedOrderPosition > last.DisposedOrderPosition);
}