public void TestEncodeAndDecode()
{
RTTPacket sentP = new RTTPacket
{
DCIDLength = 2,
DCID = new byte[] { 0x1a, 0x85 },
PacketNumberLength = 3,
SCIDLength = 2,
SCID = new byte[] { 0x09, 0x34 },
PacketNumber = 91235,
};
// Create a size 2 payload
sentP.AddFrame(new PaddingFrame());
sentP.AddFrame(new PaddingFrame());
byte[] b = sentP.Encode();
Packet p = Packet.Unpack(b);
Assert.AreEqual(p.GetType(), typeof(RTTPacket));
RTTPacket recP = p as RTTPacket;
Assert.AreEqual((UInt32)2, recP.DCIDLength);
CollectionAssert.AreEqual(new byte[] { 0x1a, 0x85 }, recP.DCID);
Assert.AreEqual((UInt32)2, recP.SCIDLength);
CollectionAssert.AreEqual(new byte[] { 0x09, 0x34 }, recP.SCID);
Assert.AreEqual((UInt32)3, recP.PacketNumberLength);
Assert.AreEqual((UInt32)91235, recP.PacketNumber);
Assert.AreEqual((UInt64)5, recP.Length.Value); // 5 = PacketNumberLength + Payload.Length
}
public void TestDecode()
{
HexData samplePacket = new HexData("d4ff0000171116b9c8c2eb9a0c815d415be8bda522edfa145e1178e63dd8e8da9f9c637dd95b03413c82cd8c408e6f9722022f02eeb44626382118e6c9e0cb7df0099dbe936a71f0dbe85e4dd445d11f7cd46fa0f21d3972574164ed409c03a56f8585891a18652bd7682914647f4ce42c6fef68161e4a3321a870e369edccdfcc130a88f6f4b5e33d820dcc996db5d7cc775b29bf2f34cdd23d906f2d386026c4ce002dfdd227bc0fcee14a8089278e4e59c36ecc549c4f399b8c08");
byte[] bytes = samplePacket.bytes;
Packet p = Packet.Unpack(samplePacket.bytes);
Assert.AreEqual(p.GetType(), typeof(RTTPacket));
RTTPacket recP = p as RTTPacket;
Assert.AreEqual(0xff000017, recP.Version);
Assert.AreEqual((UInt32)17, recP.DCIDLength);
CollectionAssert.AreEqual((new HexData("16b9c8c2eb9a0c815d415be8bda522edfa")).bytes, recP.DCID);
Assert.AreEqual((UInt32)20, recP.SCIDLength);
CollectionAssert.AreEqual((new HexData("5e1178e63dd8e8da9f9c637dd95b03413c82cd8c")).bytes, recP.SCID);
// PacketNumberLength and PacketNumber cannot be computed correctly: see TestInitialPacket
// Assert.AreEqual((UInt32)1, recP.PacketNumberLength);
// Assert.AreEqual((UInt32)111, recP.PacketNumber);
Assert.AreEqual((UInt64)142, recP.Length.Value);
CollectionAssert.AreEqual((new HexData("9722022f02eeb44626382118e6c9e0cb7df0099dbe936a71f0dbe85e4dd445d11f7cd46fa0f21d3972574164ed409c03a56f8585891a18652bd7682914647f4ce42c6fef68161e4a3321a870e369edccdfcc130a88f6f4b5e33d820dcc996db5d7cc775b29bf2f34cdd23d906f2d386026c4ce002dfdd227bc0fcee14a8089278e4e59c36ecc549c4f399b8c08")).bytes, recP.Payload);
}
