public void Works_when_adding_argument_from_other_thread_during_consuming_iteration()
{
var function = new Func<string, string, string>((x, y) => x + y);
var sut = new Basic.Appendable(function, "a", "b");
var wh = new ManualResetEventSlim();
var e = sut.GetConsumingEnumerable().GetEnumerator();
IsTrue(e.MoveNext());
AreEqual("aa", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ab", e.Current.Function.DynamicInvoke());
Task.Run(() =>
{
sut.Add("c");
sut.Complete();
wh.Set();
});
if (!wh.Wait(500))
throw new TimeoutException();
IsTrue(e.MoveNext());
AreEqual("ba", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ca", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ac", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cc", e.Current.Function.DynamicInvoke());
IsFalse(e.MoveNext());
}
public void Adding_argument_when_invoker_is_completed_has_no_effect()
{
var function = new Func<string, string, string>((x, y) => x + y);
var sut = new Basic.Appendable(function, "a", "b");
var e = sut.GetConsumingEnumerable().GetEnumerator();
IsTrue(e.MoveNext());
AreEqual("aa", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ab", e.Current.Function.DynamicInvoke());
sut.Add("c");
sut.Complete();
sut.Add("d");
sut.Add("e");
IsTrue(e.MoveNext());
AreEqual("ba", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ca", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ac", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cc", e.Current.Function.DynamicInvoke());
IsFalse(e.MoveNext());
}
public void Cancelling_works()
{
var function = new Func<string, string, string>((x, y) => x + y);
var sut = new Basic.Appendable(function, "a", "b");
var cts = new CancellationTokenSource();
var e = sut.GetConsumingEnumerable(cts.Token).GetEnumerator();
IsTrue(e.MoveNext());
AreEqual("aa", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ab", e.Current.Function.DynamicInvoke());
sut.Add("c");
IsTrue(e.MoveNext());
AreEqual("ba", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ca", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ac", e.Current.Function.DynamicInvoke());
cts.Cancel();
IsTrue(e.MoveNext());
AreEqual("bc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cc", e.Current.Function.DynamicInvoke());
IsFalse(e.MoveNext());
}
public void Works_when_adding_two_arguments_during_consuming_iteration()
{
var function = new Func<string, string, string>((x, y) => x + y);
var sut = new Basic.Appendable(function, "a", "b");
var e = sut.GetConsumingEnumerable().GetEnumerator();
IsTrue(e.MoveNext());
AreEqual("aa", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ab", e.Current.Function.DynamicInvoke());
sut.Add("c");
sut.Add("d");
sut.Complete();
IsTrue(e.MoveNext());
AreEqual("ba", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ca", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cb", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ac", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("da", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("db", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("dc", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("ad", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("bd", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("cd", e.Current.Function.DynamicInvoke());
IsTrue(e.MoveNext());
AreEqual("dd", e.Current.Function.DynamicInvoke());
IsFalse(e.MoveNext());
}