gecko-dev/dom/base/test/websocket_helpers.js

var current_test = 0;

function shouldNotOpen(e) {
  var ws = e.target;
  ok(false, "onopen shouldn't be called on test " + ws._testNumber + "!");
}

function shouldCloseCleanly(e) {
  var ws = e.target;
  ok(e.wasClean, "the ws connection in test " + ws._testNumber + " should be closed cleanly");
}

function shouldCloseNotCleanly(e) {
  var ws = e.target;
  ok(!e.wasClean, "the ws connection in test " + ws._testNumber + " shouldn't be closed cleanly");
}

function ignoreError(e) {
}

function CreateTestWS(ws_location, ws_protocol) {
  var ws;

  try {
    if (ws_protocol == undefined) {
      ws = new WebSocket(ws_location);
    } else {
      ws = new WebSocket(ws_location, ws_protocol);
    }

    ws._testNumber = current_test;
    ok(true, "Created websocket for test " + ws._testNumber +"\n");

    ws.onerror = function(e) {
      ok(false, "onerror called on test " + e.target._testNumber + "!");
    }

  } catch (e) {
    throw e;
  }

  return ws;
}

function forcegc() {
  SpecialPowers.forceGC();
  SpecialPowers.gc();
}

function feedback() {
  $("feedback").innerHTML = "executing test: " + (current_test+1) + " of " + tests.length + " tests.";
}

function finish() {
  SimpleTest.finish();
}

function doTest() {
  if (current_test >= tests.length) {
    finish();
    return;
  }

  feedback();
  tests[current_test++]().then(doTest);
}