/// <summary>
/// Called from Frame Sequencer clocks
/// </summary>
public void FreqTimerStep( )
{
m_timer -= 4;
if (m_timer <= 0)
{
// Note: shifts of 14 and 15 have no operation
if (m_shiftFreq < 14)
{
int result = (m_linearShiftReg & 0x1) ^ ((m_linearShiftReg >> 1) & 0x1);
m_linearShiftReg >>= 1;
m_linearShiftReg |= result << 14;
if (m_stepsMode == 1)
{
m_linearShiftReg &= ~0x40; // clear bit 6
m_linearShiftReg |= result << 6;
}
}
// Reload Frequency
m_timer += CalcFrequency();
}
// Update filter buffer
m_samplesToFilterL.Dequeue();
m_samplesToFilterL.Enqueue(SampleL());
m_samplesToFilterR.Dequeue();
m_samplesToFilterR.Enqueue(SampleR());
}
private void ResetBuffer()
{
for (int i = 0; i < FrameSamples; i++)
{
_buffer.Enqueue(Time.fixedDeltaTime);
}
}
public void Print(string line)
{
string[] array = line.Split(new char[]
{
'\n'
});
string[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
string text = array2[i];
string text2 = text;
while (text2.Length > maxLineWidth)
{
int num = text2.LastIndexOf(' ', maxLineWidth);
if (num >= maxLineWidth / 2)
{
lines.Enqueue(text2.Substring(0, num));
text2 = text2.Substring(num + 1);
}
else
{
lines.Enqueue(text2.Substring(0, maxLineWidth));
text2 = text2.Substring(maxLineWidth + 1);
}
}
lines.Enqueue(text2);
}
}
private void ProcessData()
{
Array.Copy(readStreams[curMemIndex], curMemPos, lenByts, 0, 4);
curMemPos = curMemPos + 4;
//读出的协议的长度，
long msgLen = BitConverter.ToInt64(lenByts, 0);
var tmp = new byte[msgLen];
//当前流包含了完整的协议信息
//TODO:一下代码做了一个假设，当在一个缓冲中没有读取完的消息，在下一个缓冲中一定能读取成功，可能在某些极限情况下会出现bug
if (msgLen + curMemPos < streamLimit)
{
Array.Copy(readStreams[curMemIndex], curMemPos, tmp, 0, msgLen);
//设置当前的字节位置
curMemPos = curMemPos + msgLen;
//TODO:如果单次处理的协议过多，可能会导致环形缓冲溢出，这里也需要注意
msgCache.Enqueue(new ByteBuffer(tmp, 4));
}
else
{
//复制当前缓冲中剩余的字节
Array.Copy(readStreams[curMemIndex], curMemPos, tmp, 0, streamLimit - curMemPos);
//切换到另一个字节数组
curMemIndex = curMemIndex == 0 ? 1 : 0;
msgLen = msgLen - (streamLimit - curMemPos);
Array.Copy(readStreams[curMemIndex], 0, tmp, streamLimit - curMemPos, msgLen);
curMemPos = msgLen;
msgCache.Enqueue(new ByteBuffer(tmp, 4));
}
}
public void Pop()
{
const int size = 10;
var buff = new CircularBuffer <int>(size);
for (int i = 0; i < size; i++)
{
buff.Enqueue(i);
Assert.Equal(i + 1, buff.Length);
}
int popped;
for (int i = size; i < 10_000; i++)
{
popped = buff.Pop();
Assert.Equal(i - 1, popped);
Assert.Equal(size - 1, buff.Length);
buff.Enqueue(i);
Assert.Equal(size, buff.Length);
}
popped = buff.Pop();
Assert.Equal(9_999, popped);
for (int i = 8; i >= 0; i--)
{
popped = buff.Pop();
Assert.Equal(i, popped);
Assert.Equal(i, buff.Length);
}
}
public void RemoveAtTest()
{
var buffer = new CircularBuffer <long>(5);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(default(long), buffer.Enqueue(4));
Assert.AreEqual(default(long), buffer.Enqueue(5));
buffer.RemoveAt(buffer.IndexOf(2));
buffer.RemoveAt(buffer.IndexOf(4));
Assert.AreEqual(3, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(3, buffer.Dequeue());
Assert.AreEqual(5, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(default(long), buffer.Enqueue(4));
Assert.AreEqual(default(long), buffer.Enqueue(5));
buffer.RemoveAt(buffer.IndexOf(1));
buffer.RemoveAt(buffer.IndexOf(3));
buffer.RemoveAt(buffer.IndexOf(5));
Assert.AreEqual(2, buffer.Count);
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(4, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}
public void TestAddNode3()
{
var pop = CreateNeatPopulation();
var genomeBuilder = NeatGenomeBuilderFactory <double> .Create(pop.MetaNeatGenome);
var genome = pop.GenomeList[0];
var strategy = new AddNodeStrategy <double>(
pop.MetaNeatGenome, genomeBuilder,
pop.GenomeIdSeq, pop.InnovationIdSeq, pop.GenerationSeq,
pop.AddedNodeBuffer);
IRandomSource rng = RandomDefaults.CreateRandomSource();
CircularBuffer <NeatGenome <double> > genomeRing = new CircularBuffer <NeatGenome <double> >(10);
genomeRing.Enqueue(genome);
for (int i = 0; i < 5000; i++)
{
NeatGenome <double> childGenome = CreateAndTestChildGenome(genome, strategy, rng);
// Add the new child genome to the ring.
genomeRing.Enqueue(childGenome);
// Take the genome at the tail of the ring for the next parent.
genome = genomeRing[0];
}
}
public void IndexSetterThrowsIfOutOfBoundsTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.Throws <ArgumentOutOfRangeException>(() => { cb[2] = 5; });
}
public void Reclaim()
{
_availables.Clear();
foreach (var item in _backup)
{
_availables.Enqueue(item);
}
}
private void Update()
{
UpdateInput();
CorrectDeadzone();
CheckButtonState(HVRButtons.Grip, ref GripButtonState);
CheckButtonState(HVRButtons.Trigger, ref TriggerButtonState);
CheckButtonState(HVRButtons.JoystickButton, ref JoystickButtonState);
CheckButtonState(HVRButtons.TrackPadButton, ref TrackpadButtonState);
CheckButtonState(HVRButtons.Primary, ref PrimaryButtonState);
CheckButtonState(HVRButtons.Secondary, ref SecondaryButtonState);
CheckButtonState(HVRButtons.Menu, ref MenuButtonState);
CheckButtonState(HVRButtons.PrimaryTouch, ref PrimaryTouchButtonState);
CheckButtonState(HVRButtons.SecondaryTouch, ref SecondaryTouchButtonState);
CheckButtonState(HVRButtons.JoystickTouch, ref JoystickTouchState);
CheckButtonState(HVRButtons.TrackPadTouch, ref TrackPadTouchState);
CheckButtonState(HVRButtons.TriggerTouch, ref TriggerTouchState);
CheckButtonState(HVRButtons.ThumbTouch, ref ThumbTouchState);
CheckButtonState(HVRButtons.TriggerNearTouch, ref TriggerNearTouchState);
CheckButtonState(HVRButtons.ThumbNearTouch, ref ThumbNearTouchState);
CheckButtonState(HVRButtons.TrackPadUp, ref TrackPadUp);
CheckButtonState(HVRButtons.TrackPadLeft, ref TrackPadLeft);
CheckButtonState(HVRButtons.TrackPadRight, ref TrackPadRight);
CheckButtonState(HVRButtons.TrackPadDown, ref TrackPadDown);
RecentVelocities.Enqueue(Velocity.magnitude);
Device.TryGetFeatureValue(CommonUsages.deviceVelocity, out Velocity);
Device.TryGetFeatureValue(CommonUsages.deviceAngularVelocity, out AngularVelocity);
AngularVelocityMagnitude = AngularVelocity.magnitude;
VelocityMagnitude = Velocity.magnitude;
if (!IsSteamVR)
{
UpdateThumbWeight();
UpdateIndexWeight();
UpdateGripFingers();
}
var curls = LeftFingerCurls;
if (XRNode == XRNode.RightHand)
{
curls = RightFingerCurls;
}
for (int i = 0; i < 5; i++)
{
curls[i] = FingerCurls[i];
}
AfterInputUpdate();
}
public void ShouldSaveWithoutWrap()
{
var buffer = new CircularBuffer <int>(5);
buffer.Enqueue(1);
buffer.Enqueue(2);
buffer.Enqueue(3);
CollectionAssert.AreEquivalent(new [] { 1, 2, 3 }, buffer);
}
public void RemoveAtInvalidThrowsTest()
{
var cb = new CircularBuffer <int>();
cb.Enqueue(1);
cb.Enqueue(2);
cb.Enqueue(3);
cb.Enqueue(4);
Assert.Throws <ArgumentOutOfRangeException>(() => cb.RemoveAt(4));
}
public void IndexOfNonExistentReturnsMinusOneTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.That(cb.IndexOf(1) == 0);
Assert.That(cb.IndexOf(2) == 1);
Assert.That(cb.IndexOf(5) == -1);
}
public void ShouldDetectOverflow()
{
var buffer = new CircularBuffer <int>(3);
for (var i = 0; i < 3; i++)
{
Assert.IsTrue(buffer.Enqueue(i));
}
Assert.IsFalse(buffer.Enqueue(3));
}
public void EnqueueThreeFloats()
{
CircularBuffer <float> queue = new CircularBuffer <float>(5);
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
Assert.AreEqual(queue.Length, 3);
}
public void TestEnumerationWhenFull()
{
var buffer = new CircularBuffer<long>(3);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
var i = 0;
foreach (var value in buffer)
Assert.AreEqual(++i, value);
Assert.AreEqual(i, 3);
}
public void SetCapacitySameDoesNothingTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.That(cb.Capacity == 2);
cb.Capacity = 2;
Assert.That(cb[0] == 1);
Assert.That(cb[1] == 2);
}
public void ShouldNotDetectOverflow()
{
var buffer = new CircularBuffer <int>(3);
for (var i = 0; i < 3; i++)
{
buffer.Enqueue(i);
}
buffer.TryDequeue(out var _);
Assert.IsTrue(buffer.Enqueue(2));
}
public void EnqueuingWhenFull()
{
CircularBuffer <float> queue = new CircularBuffer <float>(3);
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
Assert.AreEqual(queue.GetTailIndex, 1);
}
public void ClearTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.That(cb.Count == 2);
Assert.That(cb.Capacity == 2);
cb.Clear();
Assert.That(cb.Capacity == 2);
Assert.That(cb.Count == 0);
}
public void SetSmallerCapacityDestroysOnlyTailsElementsTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.That(cb.Capacity == 2);
Assert.That(cb.Count == 2);
cb.Capacity = 1;
Assert.That(cb.Count == 1);
Assert.That(cb[0] == 1);
}
public void TestUnderwrite()
{
var buffer = new CircularBuffer<long>(5);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(3, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(3, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}
public void TestDecreaseCapacityWhenFull()
{
var buffer = new CircularBuffer<long>(3);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(3, buffer.Count);
buffer.Capacity = 2;
Assert.AreEqual(2, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}
public void SetLargerCapacityIsNonDestructiveTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
Assert.That(cb.Capacity == 2);
Assert.That(cb.Count == 2);
cb.Capacity = 3;
Assert.That(cb.Count == 2);
Assert.That(cb[0] == 1);
Assert.That(cb[1] == 2);
}
public void IterationTest()
{
var cb = new CircularBuffer <int>(2);
cb.Enqueue(1);
cb.Enqueue(2);
IEnumerator enumerator = cb.GetEnumerator();
while (enumerator.MoveNext())
{
var tmp = enumerator.Current;
}
}
public void UnderwriteTest()
{
var buffer = new CircularBuffer <long>(5);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(3, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(3, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}
public void CircularBuffer_Enqueue()
{
var buffer = new CircularBuffer<string>(10);
buffer.Enqueue("test");
buffer.Enqueue("string");
CollectionAssert.AreEqual(new[] { "test", "string" }, buffer.ToArray());
Assert.AreEqual(2, buffer.Count);
Assert.AreEqual(10, buffer.Capacity);
Assert.AreEqual(0, buffer.Head);
Assert.AreEqual(2, buffer.Tail);
Assert.IsTrue(buffer.Contains("string"));
Assert.IsFalse(buffer.Contains("other string"));
}
public void TestEnumerationWhenPartiallyFull()
{
var buffer = new CircularBuffer <long>(3);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
var i = 0;
foreach (var value in buffer)
{
Assert.AreEqual(++i, value);
}
Assert.AreEqual(i, 2);
}
public void DecreaseCapacityWhenFullTest()
{
var buffer = new CircularBuffer <long>(3);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(3, buffer.Count);
buffer.Capacity = 2;
Assert.AreEqual(2, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}
public void EnqueueFullBuffer()
{
CircularBuffer <int> testData = new CircularBuffer <int>(3);
int item1 = 6;
int item2 = 8;
int item3 = 22;
int item4 = 13;
testData.Enqueue(item1);
testData.Enqueue(item2);
testData.Enqueue(item3);
bool actual = testData.Enqueue(item4);
Assert.False(actual);
}
public void EnqueueThreeDequeueOneReturnValue()
{
CircularBuffer <int> testData = new CircularBuffer <int>(16);
int item1 = 6;
int item2 = 8;
int item3 = 22;
testData.Enqueue(item1);
testData.Enqueue(item2);
testData.Enqueue(item3);
int actual = testData.Dequeue();
int expected = 6;
Assert.Equal(expected, actual);
}
public void Enqueue_Single()
{
var buffer = new CircularBuffer <int>(5);
buffer.Enqueue(1);
buffer.Enqueue(2);
Assert.False(buffer.IsEmpty);
Assert.False(buffer.IsFull);
Assert.True(buffer.TryDeque(out var value));
Assert.Equal(1, value);
Assert.False(buffer.IsEmpty);
Assert.False(buffer.IsFull);
Assert.True(buffer.TryDeque(out var value2));
Assert.Equal(2, value2);
}
public void DequeueThreeFloats()
{
CircularBuffer <float> queue = new CircularBuffer <float>(5);
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
while (!queue.IsEmpty)
{
queue.Dequeue();
}
Assert.AreEqual(queue.Length, 0);
}
private async Task FallTest()
{
CircularBuffer <double> AccelAmps = new CircularBuffer <double>(2000 / SAMPLING_FREQ); //pamietamy wartosci z akcelometra przez ostatnie dwie sekundy
CircularBuffer <double> GyroAmps = new CircularBuffer <double>(2000 / SAMPLING_FREQ); //pamietamy wartosci z gyroskopu przez ostatnie dwie sekund
{
while (true)
{
await Task.Delay(SAMPLING_FREQ);
AccelAmps.Enqueue(Math.Sqrt(Math.Pow(x, 2) + Math.Pow(y, 2) + Math.Pow(z, 2))); // amplituda przyspieszen x,y,z w accelometrze
GyroAmps.Enqueue(Math.Sqrt(Math.Pow(gyroX, 2) + Math.Pow(gyroY, 2) + Math.Pow(gyroZ, 2))); // amplituda prędkości x,y,z w żyroskopie
if (AccelAmps.q.Min() < LOWER_ACCEL_BOUNDRY && AccelAmps.q.Max() > UPPER_ACCEL_BOUNDRY && AccelAmps.q.Max() > MAX_ANGULAR_VELOCITY) // Sprawdzenie czy zostaly przekroczone dolne i gorne progi przyspieszenia, oraz gorny prog prędkości kątowej gyroskopu
{
for (int i = 0; i < 3000 / SAMPLING_FREQ; i++)
{
await Task.Delay(SAMPLING_FREQ);
AccelAmps.Enqueue(Math.Sqrt(Math.Pow(x, 2) + Math.Pow(y, 2) + Math.Pow(z, 2))); // amplituda przyspieszen x,y,z w accelometrze
GyroAmps.Enqueue(Math.Sqrt(Math.Pow(gyroX, 2) + Math.Pow(gyroY, 2) + Math.Pow(gyroZ, 2))); // amplituda prędkości x,y,z w żyroskopie
}
if (Math.Abs(AccelAmps.q.Min() - AccelAmps.q.Max()) < MAX_RESTING_AMPLITUDE) // i sprawdzamy czy telefon byl nieruchomy przez ostatnie dwie aby potwierdzic
{
/************************************ UPADEK ******************************/
CrossSensors.Proximity.WhenReadingTaken().Subscribe(async reading =>
{
if (reading == true)
{
await FallDetectedAsync();
}
});
}
//await Task.Delay(3000); // po mozliwym upadku czekamy trzy sekundy
//if (Math.Abs(AccelAmps.q .Min() - AccelAmps.q.Max()) < MAX_RESTING_AMPLITUDE) // i sprawdzamy czy telefon byl nieruchomy przez ostatnie dwie aby potwierdzic
//{
// /************************************ UPADEK ******************************/
// await FallDetectedAsync();
// //CrossSensors.Proximity.WhenReadingTaken().Subscribe(async reading => {
// // if (reading == true)
// // {
// // }
// //});
//}
}
}
}
}
public void CircularBuffer_EnqueueAfterTrimExcess()
{
var buffer = new CircularBuffer<string>(10);
buffer.EnqueueRange(new[] { "a", "b", "c" }, 0, 3);
buffer.TrimExcess();
buffer.Enqueue("z");
CollectionAssert.AreEqual(new[] { "z", "b", "c" }, buffer.ToArray());
Assert.AreEqual(3, buffer.Count);
Assert.AreEqual(3, buffer.Capacity);
Assert.AreEqual(0, buffer.Head);
Assert.AreEqual(1, buffer.Tail);
Assert.IsTrue(buffer.Contains("z"));
Assert.IsFalse(buffer.Contains("a"));
}
private UnitOracle(WoWUnit unit, Watch watchFlags)
{
if (unit != null) {
this.Unit = unit;
Flags = watchFlags;
if (instances.ContainsKey(unit.Guid))
throw new NotSupportedException();
instances[unit.Guid] = this;
if ((Flags & Watch.HealthVariance) == Watch.HealthVariance) {
health = new CircularBuffer<double>(WINDOW_SIZE);
for (var i = 0; i < WINDOW_SIZE; i++)
health.Enqueue((double)Unit.CurrentHealth);
}
}
}
public void Close()
{
_log.Debug("Running: BlockingEnqueue");
const int size = 10;
_buf = new CircularBuffer<Object>(size);
// add size element anc check that the size +1 add blocks
for (int i = 1; i < size; i++)
{
_buf.Enqueue(new object());
}
// check tha the buffer is now full
Thread t = new Thread(Go);
t.Start();
Thread.Sleep(1000);
// the trhead t should block until the buffer is closed
Assert.IsTrue(t.ThreadState == ThreadState.WaitSleepJoin);
_buf.Close();
Thread.Sleep(100);
// t should now be stopped
Assert.IsTrue(t.ThreadState == ThreadState.Stopped);
}
public void CircularBuffer_EnqueueOverwriteNotAllowed()
{
int[] data = { 1, 2, 3, 4, 5 };
var buffer = new CircularBuffer<int>(data.Length, false);
buffer.EnqueueRange(data, 0, data.Length);
buffer.Enqueue(10);
}
/// <summary>
/// Start Playback
/// </summary>
/// <param name="res"></param>
public void InitPlayback(VideoBuffer videoBuffer) {
if (videoBuffer == null) {
throw new ArgumentNullException("videoBufferDescription");
}
VerifyAccess();
TimeSpan renderinterval;
try {
int fps = AppDefaults.visualSettings.ui_video_rendering_fps;
fps = (fps <= 0 || fps > 100) ? 100 : fps;
renderinterval = TimeSpan.FromMilliseconds(1000 / fps);
} catch {
renderinterval = TimeSpan.FromMilliseconds(1000 / 30);
}
var cancellationTokenSource = new CancellationTokenSource();
renderSubscription.Disposable = Disposable.Create(() => {
cancellationTokenSource.Cancel();
});
var bitmap = PrepareForRendering(videoBuffer);
var cancellationToken = cancellationTokenSource.Token;
var dispatcher = Application.Current.Dispatcher;
var renderingTask = Task.Factory.StartNew(() => {
var statistics = new CircularBuffer<long>(100);
using (videoBuffer.Lock()) {
try {
//start rendering loop
while (!cancellationToken.IsCancellationRequested) {
using (var processingEvent = new ManualResetEventSlim(false)) {
dispatcher.BeginInvoke(() => {
using (Disposable.Create(() => processingEvent.Set())) {
if (!cancellationToken.IsCancellationRequested) {
//update statisitc info
statistics.Enqueue(Stopwatch.GetTimestamp());
//evaluate averange rendering fps
var ticksEllapsed = statistics.last - statistics.first;
double avgFps = 0;
if (ticksEllapsed > 0) {
avgFps = ((double)statistics.length * (double)Stopwatch.Frequency) / (double)ticksEllapsed;
}
//render farme to screen
DrawFrame(bitmap, videoBuffer, avgFps);
}
}
});
processingEvent.Wait(cancellationToken);
}
cancellationToken.WaitHandle.WaitOne(renderinterval);
}
} catch (OperationCanceledException) {
//swallow exception
} catch (Exception error) {
dbg.Error(error);
}
}
}, cancellationToken);
}
public void UsageExample()
{
// Create a buffer with a capacity of 5 items.
var buffer = new CircularBuffer<long>(5);
// Add three.
foreach (var i in Enumerable.Range(1, 3))
buffer.Enqueue(i);
Debug.WriteLine(buffer);
// Capacity=5, Count=3, Buffer=[1,2,3]
// Add three more.
foreach (var i in Enumerable.Range(4, 3))
buffer.Enqueue(i);
Debug.WriteLine(buffer);
// Capacity=5, Count=5, Buffer=[2,3,4,5,6]
// Remove the third.
var value = buffer[3];
buffer.RemoveAt(3);
Debug.WriteLine(buffer);
// Capacity=5, Count=4, Buffer=[2,3,4,6]
// Re-insert it.
buffer.Insert(3, value);
Debug.WriteLine(buffer);
// Capacity=5, Count=5, Buffer=[2,3,4,5,6]
// Dequeue.
Debug.Print("Value = {0}", buffer.Dequeue());
// Value = 2
Debug.WriteLine(buffer);
// Capacity=5, Count=4, Buffer=[3,4,5,6]
// Increase the capacity.
buffer.Capacity = 6;
Debug.WriteLine(buffer);
// Capacity=6, Count=4, Buffer=[3,4,5,6]
// Add three more.
foreach (var i in Enumerable.Range(7, 3))
buffer.Enqueue(i);
Debug.WriteLine(buffer);
// Capacity=6, Count=6, Buffer=[4,5,6,7,8,9]
// Reduce the capacity.
buffer.Capacity = 4;
Debug.WriteLine(buffer);
// Capacity=4, Count=4, Buffer=[4,5,6,7]
// Clear the buffer.
buffer.Clear();
Debug.WriteLine(buffer);
// Capacity=4, Count=0, Buffer=[]
}
public void CircularBuffer_EnqueueOverwriteAllowed()
{
string[] data = { "a", "b", "c", "d" };
var buffer = new CircularBuffer<string>(data.Length);
buffer.EnqueueRange(data, 0, data.Length);
buffer.Enqueue("z");
CollectionAssert.AreEqual(new[] { "z", "b", "c", "d" }, buffer.ToArray());
Assert.AreEqual(data.Length, buffer.Count);
Assert.AreEqual(data.Length, buffer.Capacity);
Assert.AreEqual(0, buffer.Head);
Assert.AreEqual(1, buffer.Tail);
Assert.IsTrue(buffer.Contains("z"));
Assert.IsFalse(buffer.Contains("a"));
}
public void TestRemoveAt()
{
var buffer = new CircularBuffer<long>(5);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(default(long), buffer.Enqueue(4));
Assert.AreEqual(default(long), buffer.Enqueue(5));
buffer.RemoveAt(buffer.IndexOf(2));
buffer.RemoveAt(buffer.IndexOf(4));
Assert.AreEqual(3, buffer.Count);
Assert.AreEqual(1, buffer.Dequeue());
Assert.AreEqual(3, buffer.Dequeue());
Assert.AreEqual(5, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
Assert.AreEqual(default(long), buffer.Enqueue(1));
Assert.AreEqual(default(long), buffer.Enqueue(2));
Assert.AreEqual(default(long), buffer.Enqueue(3));
Assert.AreEqual(default(long), buffer.Enqueue(4));
Assert.AreEqual(default(long), buffer.Enqueue(5));
buffer.RemoveAt(buffer.IndexOf(1));
buffer.RemoveAt(buffer.IndexOf(3));
buffer.RemoveAt(buffer.IndexOf(5));
Assert.AreEqual(2, buffer.Count);
Assert.AreEqual(2, buffer.Dequeue());
Assert.AreEqual(4, buffer.Dequeue());
Assert.AreEqual(0, buffer.Count);
}