chromium/third_party/blink/web_tests/external/wpt/html/semantics/scripting-1/the-script-element/execution-timing/112.html

<!DOCTYPE html>
<html><head>
        <title> scheduler: removing async attribute at runtime, script also has defer attribute</title>
        <meta name="timeout" content="long">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="testlib/testlib.js"></script>
</head>
<body>

        <div id="test"></div>
        <div id="log">FAILED (This TC requires JavaScript enabled)</div>

        <script id="async-script" async defer src="scripts/include-1.js?pipe=trickle(d3)"></script>

        <script>
          var t = async_test();
          document.getElementById("async-script").removeAttribute("async");

          addEventListener("DOMContentLoaded", t.step_func(function () {
            assert_array_equals(eventOrder, []);
          }), false);

          addEventListener("load", t.step_func(function () {
            assert_array_equals(eventOrder, ["external script #1"]);
            t.done();
          }), false);

        </script>
</body></html>