| Test WebSocket.extensions attribute. |
| |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
| |
| Check the value before opening the connection: |
| PASS ws.extensions is "" |
| Check if the value is read only: |
| PASS ws.extensions = 'foo'; ws.extensions is "" |
| Check the value after the connection is established: |
| PASS ws.extensions is "permessage-deflate" |
| Check the value of the Sec-WebSocket-Extensions header sent to the server: |
| PASS extensions_requested is "permessage-deflate; client_max_window_bits" |
| PASS successfullyParsed is true |
| |
| TEST COMPLETE |
| |
