public void TestClear()
{
RingBuffer <float> rbf = new RingBuffer <float>(3);
Assert.IsTrue(rbf.IsEmpty);
Assert.IsFalse(rbf.IsFull);
Assert.IsTrue(rbf.Enqueue(1.5f));
Assert.IsTrue(rbf.Enqueue(2.5f));
Assert.IsTrue(rbf.Enqueue(3.5f));
Assert.IsFalse(rbf.IsEmpty);
Assert.IsTrue(rbf.IsFull);
Assert.AreEqual(3, rbf.Count);
rbf.Clear();
Assert.IsTrue(rbf.IsEmpty);
Assert.IsFalse(rbf.IsFull);
Assert.AreEqual(0, rbf.Count);
}
public void SetSampleRates(decimal fps, int hz)
{
if (m_FPS == fps && m_sampleRate == hz)
{
return;
}
// If either fps or hz changed, we must reallocate these buffers.
m_scratch = new float[(int)(hz / fps)];
m_stereo = new float[(int)(hz / fps * 2)];
// Here only hz matters.
if (hz != m_sampleRate)
{
m_leftChannel = new RingBuffer <float>(hz * kSizeInSeconds);
m_rightChannel = new RingBuffer <float>(hz * kSizeInSeconds);
}
m_FPS = fps;
m_sampleRate = hz;
}
public void TestCopyFromWrapped()
{
RingBuffer <float> r1 = new RingBuffer <float>(3);
RingBuffer <float> r2 = new RingBuffer <float>(10);
RingBuffer <float> r3 = new RingBuffer <float>(1);
Assert.IsTrue(r1.Enqueue(1.5f, true));
Assert.IsTrue(r1.Enqueue(2.5f, true));
Assert.IsTrue(r1.Enqueue(3.5f, true));
Assert.IsTrue(r1.Enqueue(4.5f, true));
Assert.IsTrue(r1.Enqueue(5.5f, true));
Assert.IsTrue(r1.Enqueue(6.5f, true));
Assert.IsTrue(r1.Enqueue(7.5f, true));
Assert.IsTrue(r1.Enqueue(8.5f, true));
r2.CopyFrom(r1);
r3.CopyFrom(r2);
Assert.AreEqual(r1.IsFull, r2.IsFull);
Assert.AreEqual(r1.IsEmpty, r2.IsEmpty);
Assert.AreEqual(r1[0], r2[0]);
Assert.AreEqual(r1[1], r2[1]);
Assert.AreEqual(r1[2], r2[2]);
Assert.AreEqual(r3.IsFull, r2.IsFull);
Assert.AreEqual(r3.IsEmpty, r2.IsEmpty);
Assert.AreEqual(r3[0], r2[0]);
Assert.AreEqual(r3[1], r2[1]);
Assert.AreEqual(r3[2], r2[2]);
r2.Clear();
Assert.AreEqual(r3.IsFull, r1.IsFull);
Assert.AreEqual(r3.IsEmpty, r1.IsEmpty);
Assert.AreEqual(r3[0], r1[0]);
Assert.AreEqual(r3[1], r1[1]);
Assert.AreEqual(r3[2], r1[2]);
}
public void TestGetRange()
{
RingBuffer <float> r1 = new RingBuffer <float>(3);
Assert.IsTrue(r1.Enqueue(4.5f));
Assert.IsTrue(r1.Enqueue(1.5f));
Assert.IsTrue(r1.Enqueue(2.5f));
Assert.IsTrue(r1.Enqueue(3.5f, true));
float[] v1 = new float[1];
r1.GetRange(ref v1);
Assert.AreEqual(1.5f, v1[0]);
float[] v2 = new float[2];
r1.GetRange(ref v2);
Assert.AreEqual(1.5f, v2[0]);
Assert.AreEqual(2.5f, v2[1]);
float[] v3 = new float[3];
r1.GetRange(ref v3);
Assert.AreEqual(1.5f, v3[0]);
Assert.AreEqual(2.5f, v3[1]);
Assert.AreEqual(3.5f, v3[2]);
r1.GetRange(ref v2, 1, 2);
Assert.AreEqual(2.5f, v2[0]);
Assert.AreEqual(3.5f, v2[1]);
r1.GetRange(ref v1, 1, 1);
Assert.AreEqual(2.5f, v1[0]);
r1.GetRange(ref v1, 2, 1);
Assert.AreEqual(3.5f, v1[0]);
r1.GetRange(ref v1, 0, 1);
Assert.AreEqual(1.5f, v1[0]);
}
public void TestEnumerators()
{
RingBuffer <float> r1 = new RingBuffer <float>(3);
Assert.IsTrue(r1.Enqueue(4.5f));
Assert.IsTrue(r1.Enqueue(1.5f));
Assert.IsTrue(r1.Enqueue(2.5f));
Assert.IsTrue(r1.Enqueue(3.5f, true));
using (var e1 = r1.GetEnumerator()) {
Assert.AreEqual(1.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(1.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
using (var e1 = r1.GetEnumerator(0, 3)) {
Assert.AreEqual(1.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(1.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
using (var e1 = r1.GetEnumerator(1, 2)) {
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(2.5, e1.Current);
Assert.IsTrue(e1.MoveNext());
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
using (var e1 = r1.GetEnumerator(2, 1)) {
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(3.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
using (var e1 = r1.GetEnumerator(1, 1)) {
Assert.AreEqual(2.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(2.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
using (var e1 = r1.GetEnumerator(0, 1)) {
Assert.AreEqual(1.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
e1.Reset();
Assert.AreEqual(1.5, e1.Current);
Assert.IsFalse(e1.MoveNext());
}
}
public void Dispose()
{
m_owner = null;
}