public void ExactChunkAmountOfElements()
{
var valueStack = new Stack <IEnumerable <int> >();
var errorStack = new Stack <Exception>();
bool isComplete = false;
var obs1 = new PushSubject <int>();
var output = obs1.Chunk(3);
output.Subscribe(valueStack.Push, () => isComplete = true, errorStack.Push);
obs1.PushValue(1);
Assert.AreEqual(0, valueStack.Count(), "the output stream should be empty");
obs1.PushValue(2);
Assert.AreEqual(0, valueStack.Count(), "the output stream should be empty");
obs1.PushValue(3);
Assert.AreEqual(1, valueStack.Count(), "the output stream should return a chunk of values");
var value = valueStack.Peek().ToList();
Assert.AreEqual(3, value.Count, "the chunk of values should be the size of the chunk");
Assert.AreEqual(1, value[0], "All values must match");
Assert.AreEqual(2, value[1], "All values must match");
Assert.AreEqual(3, value[2], "All values must match");
var ex = new Exception();
obs1.PushException(ex);
Assert.IsTrue(Object.ReferenceEquals(ex, errorStack.Peek()), "input errors should go in the output stream");
obs1.Complete();
Assert.AreEqual(1, valueStack.Count(), "the output stream should have returned one chunk");
Assert.IsTrue(isComplete, "the stream should be finished if every input stream is complete");
}
public void NoElements()
{
var valueStack = new Stack <IEnumerable <int> >();
var errorStack = new Stack <Exception>();
bool isComplete = false;
var obs1 = new PushSubject <int>();
var output = obs1.Chunk(3);
output.Subscribe(valueStack.Push, () => isComplete = true, errorStack.Push);
obs1.Complete();
Assert.AreEqual(0, valueStack.Count(), "the output stream should be empty");
Assert.IsTrue(isComplete, "the stream should be finished if every input stream is complete");
}
