public void PayloadLengthPart7bitsWitMaskTest()
{
var builder = new WebSocketFrameBuilder(ProxyConfig.MaxByteArrayLength);
var data = new byte[]
{
0b10000010, // FIN, Binary
0b11111101, // Mask, 125bytes
0b10101010, // Mask key
0b10101010, // Mask key
0b10101010, // Mask key
0b10101010, // Mask key
};
builder.TryAddData(data, 0, data.Length, out var readSize, out _).IsFalse();
readSize.Is(data.Length);
var payload = Enumerable.Repeat((byte)'a', 125).ToArray();
builder.TryAddData(payload, 0, payload.Length, out readSize, out var frame).IsTrue();
readSize.Is(payload.Length);
frame.Fin.IsTrue();
frame.Opcode.Is(WebSocketOpcode.Binary);
frame.Mask.IsTrue();
frame.MaskKey.Is(new byte[] { 0b10101010, 0b10101010, 0b10101010, 0b10101010 });
public void DecompressTest()
{
var source = "hogefugapiyo";
byte[] destBytes;
using (var stream = new MemoryStream())
{
using (var deflate = new DeflateStream(stream, CompressionMode.Compress, true))
{
var sourceBytes = Encoding.UTF8.GetBytes(source);
deflate.Write(sourceBytes, 0, sourceBytes.Length);
}
destBytes = stream.ToArray();
}
var builder = new WebSocketFrameBuilder(ProxyConfig.MaxByteArrayLength);
var data = new byte[]
{
0b11000010,
0b00001110,
};
builder.TryAddData(data, 0, data.Length, out var readSize, out _).IsFalse();
readSize.Is(data.Length);
builder.TryAddData(destBytes, 0, destBytes.Length, out readSize, out var frame).IsTrue();
readSize.Is(destBytes.Length);
var ex = new PerMessageDeflateExtension();
var message = ex.Decompress(new WebSocketMessage(null, frame));
Encoding.UTF8.GetString(message.PayloadData).Is(source);
}
public void BuildMessageTest()
{
var frameBuilder = new WebSocketFrameBuilder(ProxyConfig.MaxByteArrayLength);
var data1 = new byte[]
{
0b00000010, // notFIN, Binary
0b00000001, // noMask, 1bytes
0b11111111, // Payload
};
frameBuilder.TryAddData(data1, 0, data1.Length, out var readSize1, out var frame1).IsTrue();
readSize1.Is(data1.Length);
var data2 = new byte[]
{
0b00000000, // notFIN, Continuation
0b00000001, // noMask, 1bytes
0b00000000, // Payload
};
frameBuilder.TryAddData(data2, 0, data2.Length, out var readSize2, out var frame2).IsTrue();
readSize2.Is(data2.Length);
var data3 = new byte[]
{
0b10000000, // FIN, Continuation
0b00000001, // noMask, 1bytes
0b01010101, // Payload
};
frameBuilder.TryAddData(data3, 0, data3.Length, out var readSize3, out var frame3).IsTrue();
readSize3.Is(data3.Length);
var builder = new WebSocketMessageBuilder(null, ProxyConfig.MaxByteArrayLength);
builder.TryCreateOrAdd(frame1, out _).IsFalse();
builder.TryCreateOrAdd(frame2, out _).IsFalse();
builder.TryCreateOrAdd(frame3, out var message).IsTrue();
message.HandshakeSession.IsNull();
message.Opcode.Is(WebSocketOpcode.Binary);
message.PayloadData[0].Is(0b11111111);
message.PayloadData[1].Is(0b00000000);
message.PayloadData[2].Is(0b01010101);
}
public void PayloadLengthPart7bitsWithoutMaskTest()
{
var builder = new WebSocketFrameBuilder(ProxyConfig.MaxByteArrayLength);
var data = new byte[]
{
0b10000010, // FIN, Binary
0b00000000, // noMask, 0bytes
};
builder.TryAddData(data, 0, data.Length, out var readSize, out var frame).IsTrue();
readSize.Is(data.Length);
frame.Fin.IsTrue();
frame.Opcode.Is(WebSocketOpcode.Binary);
frame.Mask.IsFalse();
frame.PayloadLength.Is(0);
frame.PayloadData.Length.Is(0);
}