test_bug503481.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=503481

-->

<head>

  <title>Test for Bug 503481</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body onload="done();">

<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=503481"

   target="_blank" >Mozilla Bug 503481</a>

<p id="display"></p>

<script>

SimpleTest.waitForExplicitFinish();

function done() {

  is(firstRan, true, "first has run");

  is(secondRan, true, "second has run");

  is(thirdRan, true, "third has run");

  SimpleTest.finish();

var reqs = [];

function unblock(s) {

  xhr = new XMLHttpRequest();

  xhr.open("GET", "file_bug503481.sjs?unblock=" + s);

  xhr.send();

  reqs.push(xhr);

var firstRan = false, secondRan = false, thirdRan = false;

function runFirst() { firstRan = true; }

function runSecond() {

  is(thirdRan, true, "should have run third already");

  secondRan = true;

function runThird() {

  is(secondRan, false, "shouldn't have unblocked second yet");

  thirdRan = true;

  unblock("B");

</script>

<script id=firstScript async src="file_bug503481.sjs?blockOn=A&body=runFirst();"></script>

<script id=firstScriptHelper>

is(document.getElementById("firstScript").async, true,

   "async set");

is(document.getElementById("firstScriptHelper").async, false,

   "async not set");

document.getElementById("firstScript").async = false;

is(document.getElementById("firstScript").async, false,

   "async no longer set");

is(document.getElementById("firstScript").hasAttribute("async"), false,

   "async attribute no longer set");

is(firstRan, false, "First async script shouldn't have run");

unblock("A");

</script>

<script async src="file_bug503481.sjs?blockOn=B&body=runSecond();"></script>

<script async src="file_bug503481.sjs?blockOn=C&body=runThird();"></script>

<script>

is(secondRan, false, "Second async script shouldn't have run");

is(thirdRan, false, "Third async script shouldn't have run");

unblock("C");

</script>

</body>

</html>