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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>
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