public void FaultedWriteFailsPendingTasks()
{
var fake = new FakeWriter();
var writer = new BufferedClientStreamWriter <string>(fake, 5);
var task1 = writer.WriteAsync("1");
var task2 = writer.WriteAsync("2");
var task3 = writer.WriteAsync("3");
var completionTask = writer.WriteCompleteAsync();
AssertNotCompleted(task1, task2, task3, completionTask);
// Server handles first message successfully
fake.CompleteCurrentTask();
AssertCompletedWithStatus(task1, TaskStatus.RanToCompletion);
AssertNotCompleted(task2, task3, completionTask);
// Server fails second message. All pending tasks become faulted with the same exception.
var exception = new Exception("Bang");
fake.FailCurrentTask(exception);
foreach (var task in new[] { task2, task3, completionTask })
{
AssertCompletedWithStatus(task, TaskStatus.Faulted);
Assert.Same(exception, task.Exception.InnerExceptions[0]);
}
}
public void FaultedWriteFailsFutureTasks()
{
var fake = new FakeWriter();
var writer = new BufferedClientStreamWriter <string>(fake, 5);
var task1 = writer.WriteAsync("1");
// Server fails first message
var exception = new Exception("Bang");
fake.FailCurrentTask(exception);
// Subsequent calls to Write and Complete fail
var task2 = writer.WriteAsync("2");
var task3 = writer.WriteAsync("3");
var completionTask = writer.WriteCompleteAsync();
foreach (var task in new[] { task1, task2, task3, completionTask })
{
AssertCompletedWithStatus(task, TaskStatus.Faulted);
Assert.Same(exception, task.Exception.InnerExceptions[0]);
}
}
