public void ZeroSegmentPayload()
{
var sliceBuffer = new ReusableSliceBuffer();
var sequence = sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateMultiSegmentBufferReader(new List <byte[]> {
}));
Assert.AreEqual(ReadOnlySequence <byte> .Empty, sequence);
Assert.IsTrue(sequence.IsEmpty);
Assert.IsTrue(sequence.IsSingleSegment);
}
public void MultiSegmentPayload_LotsOfSegments()
{
var bufferSegments = Enumerable.Range(0, ReusableSliceBuffer.MaxCachedSegments + 100).Select((_) => GetTestBuffer(10)).ToList();
var sliceBuffer = new ReusableSliceBuffer();
var sequence = sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateMultiSegmentBufferReader(bufferSegments));
int index = 0;
foreach (var memory in sequence)
{
CollectionAssert.AreEqual(bufferSegments[index], memory.ToArray());
index++;
}
}
public void InvalidateMakesSequenceUnusable()
{
var origBuffer = GetTestBuffer(100);
var sliceBuffer = new ReusableSliceBuffer();
var sequence = sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateMultiSegmentBufferReader(new List <byte[]> {
origBuffer
}));
Assert.AreEqual(origBuffer.Length, sequence.Length);
sliceBuffer.Invalidate();
// Invalidate with make the returned sequence completely unusable and broken, users must not use it beyond the deserializer functions.
Assert.Throws(typeof(ArgumentOutOfRangeException), () => { var first = sequence.First; });
}
public void SegmentsAreCached()
{
var bufferSegments1 = Enumerable.Range(0, 100).Select((_) => GetTestBuffer(50)).ToList();
var bufferSegments2 = Enumerable.Range(0, 100).Select((_) => GetTestBuffer(50)).ToList();
var sliceBuffer = new ReusableSliceBuffer();
var sequence1 = sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateMultiSegmentBufferReader(bufferSegments1));
var memoryManagers1 = GetMemoryManagersForSequenceSegments(sequence1);
sliceBuffer.Invalidate();
var sequence2 = sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateMultiSegmentBufferReader(bufferSegments2));
var memoryManagers2 = GetMemoryManagersForSequenceSegments(sequence2);
// check memory managers are identical objects (i.e. they've been reused)
CollectionAssert.AreEquivalent(memoryManagers1, memoryManagers2);
}
public void NullPayload()
{
var sliceBuffer = new ReusableSliceBuffer();
Assert.Throws(typeof(ArgumentNullException), () => sliceBuffer.PopulateFrom(fakeBufferReaderManager.CreateNullPayloadBufferReader()));
}
