public void FixedSizeBuffer_must_start_as_empty(int size)
{
var buf = FixedSizeBuffer.Create <NotUsed>(size);
buf.IsEmpty.Should().BeTrue();
buf.IsFull.Should().BeFalse();
}
public void FixedSizeBuffer_must_become_nonempty_after_enqueuing(int size)
{
var buf = FixedSizeBuffer.Create <string>(size);
buf.Enqueue("test");
buf.IsEmpty.Should().BeFalse();
buf.IsFull.Should().Be(size == 1);
}
public Logic(Shape shape, Merge <TIn, TOut> stage) : base(shape)
{
_stage = stage;
_runningUpstreams = _stage._inputPorts;
_pendingQueue = FixedSizeBuffer.Create <Inlet <TIn> >(_stage._inputPorts);
var outlet = _stage.Out;
foreach (var inlet in _stage.Shape.Ins)
{
SetHandler(inlet, onPush: () =>
{
if (IsAvailable(outlet))
{
if (!IsPending)
{
Push(outlet, Grab(inlet));
TryPull(inlet);
}
}
else
{
_pendingQueue.Enqueue(inlet);
}
},
onUpstreamFinish: () =>
{
if (_stage._eagerComplete)
{
foreach (var i in _stage.Shape.Ins)
{
Cancel(i);
}
_runningUpstreams = 0;
if (!IsPending)
{
CompleteStage();
}
}
else
{
_runningUpstreams--;
if (AreUpstreamsClosed && !IsPending)
{
CompleteStage();
}
}
});
}
SetHandler(outlet, onPull: () =>
{
if (IsPending)
{
DequeueAndDispatch();
}
});
}
public void FixedSizeBuffer_must_become_empty_after_enqueuing_and_head_drop(int size)
{
var buf = FixedSizeBuffer.Create <string>(size);
buf.Enqueue("test");
buf.DropHead();
buf.IsEmpty.Should().BeTrue();
buf.IsFull.Should().BeFalse();
}
public void FixedSizeBuffer_must_become_full_after_size_elements_are_enqueued(int size)
{
var buf = FixedSizeBuffer.Create <string>(size);
for (var i = 0; i < size; i++)
{
buf.Enqueue("test");
}
buf.IsEmpty.Should().BeFalse();
buf.IsFull.Should().BeTrue();
}
public void FixedSizeBuffer_must_become_non_full_after_head_dropped_from_full_buffer(int size)
{
var buf = FixedSizeBuffer.Create <string>(size);
for (var elem = 1; elem <= size; elem++)
{
buf.Enqueue("test");
}
buf.DropHead();
buf.IsEmpty.Should().Be(size == 1);
buf.IsFull.Should().BeFalse();
}
public void FixedSizeBuffer_must_drop_head_properly(int size)
{
var buf = FixedSizeBuffer.Create <int>(size);
for (var elem = 1; elem <= size; elem++)
{
buf.Enqueue(elem);
}
buf.DropHead();
for (var elem = 2; elem <= size; elem++)
{
buf.Dequeue().Should().Be(elem);
}
}
public void FixedSizeBuffer_must_work_properly_with_full_range_filling_draining_cycles(int size)
{
var buf = FixedSizeBuffer.Create <int>(size);
for (var i = 0; i < 10; i++)
{
buf.IsEmpty.Should().BeTrue();
buf.IsFull.Should().BeFalse();
for (var elem = 1; elem <= size; elem++)
{
buf.Enqueue(elem);
}
buf.IsEmpty.Should().BeFalse();
buf.IsFull.Should().BeTrue();
for (var elem = 1; elem <= size; elem++)
{
buf.Dequeue().Should().Be(elem);
}
}
}