public void IsReadOnlyDetectsReadOnly()
{
const string BookmarkName = "Test";
var activity = new TestBookmark<int> { BookmarkName = BookmarkName };
var workflowApplication = new WorkflowApplication(activity);
// Before you run it, the application is not readonly
var readOnly = workflowApplication.IsReadOnly();
Assert.IsFalse(readOnly);
// Once you run the WorkflowApplication it becomes read only
workflowApplication.RunEpisode(BookmarkName, Constants.Timeout);
// This will cause an exception
// System.InvalidOperationException was unhandled by user code
// Message=WorkflowInstanceExtensionsManager cannot be modified once it has been associated with a WorkflowInstance.
AssertHelper.Throws<InvalidOperationException>(
() => workflowApplication.Extensions.Add(new TraceTrackingParticipant()));
readOnly = workflowApplication.IsReadOnly();
Assert.IsTrue(readOnly);
}
