// META: script=constants.sub.js
// META: variant=
// META: variant=?wss
// META: variant=?wpt_flags=h2

test(function() {
  var wsocket = CreateWebSocket(false, false);
  assert_throws_dom("INVALID_STATE_ERR", function() {
    wsocket.send("Message to send")
  });
}, "Send data on a WebSocket before connection is opened - INVALID_STATE_ERR is returned")