public void WriteOptions()
{
var options1 = new WriteOptions();
var options2 = new WriteOptions();
var fake = new FakeWriter();
var writer = new BufferedClientStreamWriter <string>(fake, 5);
writer.WriteAsync("1");
writer.WriteAsync("2", options1);
writer.WriteAsync("3");
writer.WriteAsync("4", options2);
fake.CompleteCurrentTask();
fake.CompleteCurrentTask();
fake.CompleteCurrentTask();
fake.CompleteCurrentTask();
fake.AssertOptions(null, options1, options1, options2);
// This should pick up options2 from the writer, not from the queue.
writer.WriteAsync("5");
fake.CompleteCurrentTask();
fake.AssertOptions(null, options1, options1, options2, options2);
}