third_party/WebKit/LayoutTests/http/tests/websocket/extensions.html

   1 <!DOCTYPE html>
   2 <script src="/js-test-resources/js-test.js"></script>
   3 <script src="resources/get-request-header.js"></script>
   4 <script>
   5 description("Test WebSocket.extensions attribute.");
   6
   7 window.jsTestIsAsync = true;
   8
   9 var ws = new WebSocket(ECHO_REQUEST_HEADERS_WS_URL);
  10 debug("Check the value before opening the connection:");
  11 shouldBeEqualToString("ws.extensions", "");
  12
  13 // extensions attribute is read-only.
  14 debug("Check if the value is read only:");
  15 shouldBeEqualToString("ws.extensions = 'foo'; ws.extensions", "");
  16
  17 ws.onopen = function(event)
  18 {
  19     debug("Check the value after the connection is established:");
  20     shouldBeEqualToString("ws.extensions", "permessage-deflate");
  21 };
  22
  23 var extensions_requested;
  24 ws.onmessage = function(event)
  25 {
  26     debug("Check the value of the Sec-WebSocket-Extensions header sent to the server:");
  27     extensions_requested = getRequestHeaderFromEvent(event, "sec-websocket-extensions");
  28     shouldBeEqualToString("extensions_requested", "permessage-deflate; client_max_window_bits");
  29     finishJSTest();
  30 };
  31
  32 </script>