delay-load-event.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:
- /html/semantics/scripting-1/the-script-element/module/dynamic-import/delay-load-event.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Dynamic imports don't delay the load event</title>

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

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

<script>

// Dynamic imports don't #delay-the-load-event.

// Therefore, Window load event would be fired

// just after the dynamic import() below starts.

window.loaded = [];

window.addEventListener('load', () => loaded.push('Window load event'));

promise_test(t => {

  loaded.push('import start');

  // This 'loading' log is added to detect the previous Chromium behavior

  // where the Window load event is delayed until just before script

  // element's load event.

  t.step_timeout(() => loaded.push('loading'), 1000);

  return import("../resources/slow-module.js?pipe=trickle(d2)")

    .then(() => {

        assert_array_equals(

            loaded,

            ['import start', 'Window load event', 'loading', 'slow'],

            "Window load event shouldn't be delayed by dynamic imports");

});

}, "Dynamic imports don't delay the load event.");

</script>