453     Spinel::MultiFrameBuffer<kBufferSize> encoderBuffer;  in TestEncoderDecoder()  local
456     Hdlc::Encoder                         encoder(encoderBuffer);  in TestEncoderDecoder()
468     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
473     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
478     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
483     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
488     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
494     SuccessOrQuit(encoderBuffer.SaveFrame());  in TestEncoderDecoder()
497     for (frame = nullptr; encoderBuffer.GetNextSavedFrame(frame, length) == OT_ERROR_NONE;)  in TestEncoderDecoder()
536     encoderBuffer.Clear();  in TestEncoderDecoder()
554     encoderBuffer.Clear();  in TestEncoderDecoder()
562     encoderBuffer.GetFrame()[0] ^= 0x0a; // Change the first byte in the frame to cause FCS failure  in TestEncoderDecoder()
565     decoder.Decode(encoderBuffer.GetFrame(), encoderBuffer.GetLength());  in TestEncoderDecoder()
602     Spinel::FrameBuffer<kBufferSize> encoderBuffer;  in TestFuzzEncoderDecoder()  local
605     Hdlc::Encoder                    encoder(encoderBuffer);  in TestFuzzEncoderDecoder()
613         encoderBuffer.Clear();  in TestFuzzEncoderDecoder()
630         VerifyOrQuit(!encoderBuffer.IsEmpty(), "Encoded frame is empty");  in TestFuzzEncoderDecoder()
631         VerifyOrQuit(encoderBuffer.GetLength() > length, "Encoded frame is too short");  in TestFuzzEncoderDecoder()
634         decoder.Decode(encoderBuffer.GetFrame(), encoderBuffer.GetLength());  in TestFuzzEncoderDecoder()