private void SetUp(Http2FrameCodecBuilder frameCodecBuilder, Http2Settings initialRemoteSettings) { // Some tests call this method twice. Once with JUnit's @Before and once directly to pass special settings. // This call ensures that in case of two consecutive calls to setUp(), the previous channel is shutdown and // ByteBufs are released correctly. Dispose0(); _frameWriter = Http2TestUtil.MockedFrameWriter(); var builder = frameCodecBuilder.FrameWriter(_frameWriter.Object); builder.FrameLogger = new Http2FrameLogger(Common.Internal.Logging.InternalLogLevel.TRACE); builder.InitialSettings = initialRemoteSettings; _frameCodec = frameCodecBuilder.Build(); _inboundHandler = new LastInboundHandler(); _channel = new EmbeddedChannel(); _frameInboundWriter = new Http2FrameInboundWriter(_channel); //channel.Connect(new InetSocketAddress(0)); _channel.Pipeline.AddLast(_frameCodec); _channel.Pipeline.AddLast(_inboundHandler); _channel.Pipeline.FireChannelActive(); // Handshake _frameWriter.Verify( x => x.WriteSettingsAsync( It.Is <IChannelHandlerContext>(v => v == _frameCodec._ctx), It.IsAny <Http2Settings>(), It.IsAny <IPromise>())); _frameWriter.VerifyNoOtherCalls(); _channel.WriteInbound(Http2CodecUtil.ConnectionPrefaceBuf()); _frameInboundWriter.WriteInboundSettings(initialRemoteSettings); _frameWriter.Verify( x => x.WriteSettingsAckAsync( It.Is <IChannelHandlerContext>(v => v == _frameCodec._ctx), It.IsAny <IPromise>())); _frameInboundWriter.WriteInboundSettingsAck(); var settingsFrame = _inboundHandler.ReadInbound <IHttp2SettingsFrame>(); Assert.NotNull(settingsFrame); var settingsAckFrame = _inboundHandler.ReadInbound <IHttp2SettingsAckFrame>(); Assert.NotNull(settingsAckFrame); }