public void Test()
{
var logger = new TestLogger();
var capacity = 4;
var jitterBuffer = new PacketJitterBuffer(logger, capacity);
//
// Simple test: add packets in order.
//
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 1,
});;
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 2,
});
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 3,
});
Assert.Equal(3, jitterBuffer.Count);
ReplicationPacket packet = default;
Assert.False(jitterBuffer.TryRead(FrameIndex.Zero, ref packet));
Assert.True(jitterBuffer.TryRead(FrameIndex.Zero + 1, ref packet));
Assert.Equal(1, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(2, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(3, packet.FrameNumber);
Assert.False(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
//
// Test: Add packets out of order
//
jitterBuffer.Clear(FrameIndex.Zero);
// Reverse order
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 3,
});;
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 2,
});
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 1,
});
Assert.Equal(3, jitterBuffer.Count);
Assert.False(jitterBuffer.TryRead(FrameIndex.Zero, ref packet));
Assert.True(jitterBuffer.TryRead(FrameIndex.Zero + 1, ref packet));
Assert.Equal(1, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(2, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(3, packet.FrameNumber);
Assert.False(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
//
// Test: Add packets out of order with an interleaved read.
//
jitterBuffer.Clear(FrameIndex.Zero);
// Reverse order
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 4,
});;
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 3,
});
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 1,
});
Assert.Equal(3, jitterBuffer.Count);
Assert.False(jitterBuffer.TryRead(FrameIndex.Zero, ref packet));
Assert.True(jitterBuffer.TryRead(FrameIndex.Zero + 1, ref packet));
Assert.Equal(1, packet.FrameNumber);
jitterBuffer.AddPacket(new ReplicationPacket
{
FrameNumber = 2,
});
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(2, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(3, packet.FrameNumber);
Assert.True(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
Assert.Equal(4, packet.FrameNumber);
Assert.False(jitterBuffer.TryRead(new FrameIndex(packet.FrameNumber) + 1, ref packet));
}
