public void AddShouldAddTraceListenerToListOfTraceListeners() { var stringWriter = new StringWriter(); var traceListenerManager = new TraceListenerManager(stringWriter, stringWriter); var traceListener = new TraceListenerWrapper(stringWriter); var originalCount = Trace.Listeners.Count; traceListenerManager.Add(traceListener); var newCount = Trace.Listeners.Count; Assert.AreEqual(originalCount + 1, newCount); Assert.IsTrue(Trace.Listeners.Contains(traceListener)); }
public void DisposeShouldCallDisposeOnCorrespondingTraceListener() { var stringWriter = new StringWriter(); var traceListenerManager = new TraceListenerManager(stringWriter, stringWriter); StringWriter writer = new StringWriter(new StringBuilder("DummyTrace")); var traceListener = new TraceListenerWrapper(writer); traceListenerManager.Add(traceListener); traceListenerManager.Dispose(traceListener); // Tring to write after closing textWriter should throw exception Action shouldThrowException = () => writer.WriteLine("Try to write something"); ActionUtility.ActionShouldThrowExceptionOfType(shouldThrowException, typeof(ObjectDisposedException)); }
public void RemoveShouldRemoveTraceListenerFromListOfTraceListeners() { var stringWriter = new StringWriter(); var traceListenerManager = new TraceListenerManager(stringWriter, stringWriter); var traceListener = new TraceListenerWrapper(stringWriter); var originalCount = Trace.Listeners.Count; traceListenerManager.Add(traceListener); var countAfterAdding = Trace.Listeners.Count; traceListenerManager.Remove(traceListener); var countAfterRemoving = Trace.Listeners.Count; Assert.AreEqual(originalCount + 1, countAfterAdding); Assert.AreEqual(countAfterAdding - 1, countAfterRemoving); Assert.IsFalse(Trace.Listeners.Contains(traceListener)); }