public void ShouldSplitInputOnLines()
{
// should it be encoding aware?.
var completer = new TaskCompletionSource <byte[]>();
var inputTask = completer.Task;
var sut = new LineSplitter();
sut.InputTask = inputTask;
var input = ("one" + Environment.NewLine + "two" + Environment.NewLine + "three").ToUtf8EncodedBytes();
completer.SetResult(input);
var task = sut.GetItems();
task.Wait();
var expectedResult = new[] { "one".ToUtf8EncodedBytes(), "two".ToUtf8EncodedBytes(), "three".ToUtf8EncodedBytes() };
CollectionAssert.AreEqual(expectedResult, task.Result);
}