test_bug1053321.html

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<!DOCTYPE html>

<html>

<!--

This test confirms we don't block body referred sub-resources by head-referenced defer and async scripts.

If this test times out, the two image requests, that unblock the two script requests, never happen, hence

are unexpectedly blocked.

-->

<head>

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

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

  <script>

    // The two scripts below are expected to load and call scriptLoaded().

    SimpleTest.waitForExplicitFinish();

    window.expected_scripts = {

      "defer": true,

      "async": true,

};

    function scriptLoaded(script)

      ok(true, 'Script ' + script + ' executed');

      delete window.expected_scripts[script];

      let expecting = Object.keys(window.expected_scripts).length;

      info("Expecting " + expecting + " more script(s) to execute");

      if (expecting == 0) {

        SimpleTest.finish();

  </script>

  <!-- this script is not loaded until file_blocked_script.sjs?unblock&defer request is made,

       when this script is executed, it calls SimpleTest.finish().

-->

  <script defer src="file_blocked_script.sjs?blocked&defer"></script>

  <!-- this script is not loaded until file_blocked_script.sjs?unblock&async request is made,

       when this script is executed, it calls SimpleTest.finish().

-->

  <script async src="file_blocked_script.sjs?blocked&async"></script>

</head>

<body>

  <img src="file_blocked_script.sjs?unblock&defer"/>

  <img src="file_blocked_script.sjs?unblock&async"/>

</body>