callback-removed-frame.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /requestidlecallback/callback-removed-frame.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>requestIdleCallback on removed frame shouldn't call back</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script>

  async_test(function (t) {

    assert_false(document.hidden, "document.hidden must exist and be false to run this test properly");

    function start() {

      var frame = document.createElement('iframe');

      frame.addEventListener('load', _ => connect(frame), {once:true});

      frame.src = "about:blank";

      document.body.appendChild(frame);

    function connect(frame) {

      var contentWindow = frame.contentWindow;

      contentWindow.requestIdleCallback(_ => callback0(frame, contentWindow));

      t.step_timeout(function() { t.done(); }, 1000);

    function callback0(f, w) {

      document.body.removeChild(f);

      w.requestIdleCallback(t.unreached_func("requestIdleCallback callback should not trigger the callback"));

    addEventListener('load', start, {once:true});

  }, "calling requestIdleCallback on a contentWindow from a removed iframe should not trigger the callback");

</script>