websock server - Case 5.15 : Pass - 3 ms @ 2026-06-02T16:10:42.013Z
Case Description
Send text Message fragmented into 2 fragments, then Continuation Frame with FIN = false where there is nothing to continue, then unfragmented Text Message, all sent in one chop.
Case Expectation
The connection is failed immediately, since there is no message to continue.
Case Outcome
Actual events match at least one expected.
Expected:
{'OK': [('message', u'fragment1fragment2', False)], 'NON-STRICT': []}
Observed:
[('message', u'fragment1fragment2', False)]
Case Closing Behavior
Connection was properly closed (OK)
GET /ws HTTP/1.1 User-Agent: AutobahnTestSuite/25.10.1-0.10.9 Host: 127.0.0.1:8888 Upgrade: WebSocket Connection: Upgrade Pragma: no-cache Cache-Control: no-cache Sec-WebSocket-Key: v1aBgXXW3k454SKcrQDXzg== Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols Date: Tue, 02 Jun 2026 16:10:42 GMT Upgrade: websocket Connection: Upgrade Sec-Websocket-Accept: vkrlCCTw/mdVY9KyKv0NAXJ1gOI=
| Key | Value | Description |
| isServer | False | True, iff I (the fuzzer) am a server, and the peer is a client. |
| closedByMe | False | True, iff I have initiated closing handshake (that is, did send close first). |
| failedByMe | False | True, iff I have failed the WS connection (i.e. due to protocol error). Failing can be either by initiating closing handshake or brutal drop TCP. |
| droppedByMe | False | True, iff I dropped the TCP connection. |
| wasClean | False | True, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility). |
| wasNotCleanReason | peer dropped the TCP connection without previous WebSocket closing handshake | When wasClean == False, the reason what happened. |
| wasServerConnectionDropTimeout | False | When we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True. |
| wasOpenHandshakeTimeout | False | When performing the opening handshake, but the peer did not finish in time, this gets True. |
| wasCloseHandshakeTimeout | False | When we initiated a closing handshake, but the peer did not respond in time, this gets True. |
| localCloseCode | None | The close code I sent in close frame (if any). |
| localCloseReason | None | The close reason I sent in close frame (if any). |
| remoteCloseCode | None | The close code the peer sent me in close frame (if any). |
| remoteCloseReason | None | The close reason the peer sent me in close frame (if any). |
| Chop Size | Count | Octets |
| 20 | 1 | 20 |
| 166 | 1 | 166 |
| Total | 2 | 186 |
| Chop Size | Count | Octets |
| 15 | 4 | 60 |
| 244 | 1 | 244 |
| Total | 5 | 304 |
| Opcode | Count |
| 1 | 1 |
| Total | 1 |
| Opcode | Count |
| 0 | 2 |
| 1 | 2 |
| Total | 4 |
000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205475652c203032204a75
6e20323032362031363a31303a34 ...
002 TX FRAME : OPCODE=1, FIN=False, RSV=0, PAYLOAD-LEN=9, MASK=d41108a3, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
fragment1
003 TX OCTETS: 0189d41108a3b26369c4b97466d7e5
004 TX FRAME : OPCODE=0, FIN=True, RSV=0, PAYLOAD-LEN=9, MASK=6a625bec, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
fragment2
005 TX OCTETS: 80896a625bec0c103a8b0707359858
006 TX FRAME : OPCODE=0, FIN=False, RSV=0, PAYLOAD-LEN=9, MASK=136386d1, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
fragment3
007 TX OCTETS: 0089136386d17511e7b67e06e8a520
008 TX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=9, MASK=e5539bfe, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
fragment4
009 TX OCTETS: 8189e5539bfe8321fa998836f58ad1
010 FAIL CONNECTION AFTER 1.000000 sec
011 RX OCTETS: 8112667261676d656e7431667261676d656e7432
012 RX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=18, MASKED=False, MASK=None
fragment1fragment2
013 TCP DROPPED BY PEER