File: async-03.html

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<html>
  <head>
    <title>Inline async script without external deps onload blocking</title>
    <link rel="help" href="https://svgwg.org/svg2-draft/interact.html#ScriptElement"/>
    <meta name=timeout content=long>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <svg>
      <script>
        let loadFired = false;
        let asyncRan = false
        let test = async_test("Inline async script vs. onload");
        window.addEventListener("load", test.step_func(function() {
          loadFired = true;
          assert_true(asyncRan, "Async should have run before the load event");
          test.step_timeout(function() {
            test.done();
          }, 0);
        }));
      </script>
      <script async>
        asyncRan = true;
        test.step_func(function() {
          assert_false(loadFired, "onload should not have fired yet");
        });
      </script>
    </svg>
  </body>
</html>