portal-onload-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:
- /portals/portal-onload-event.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests that the load is dispatched when a portal finishes loading.</title>

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

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

<script>

  async_test(function(t) {

    assert_implements("HTMLPortalElement" in self);

    var w = window.open("resources/simple-portal.html");

    w.onload = function() {

      var portal = w.document.createElement("portal");

      portal.src = "resources/simple-portal.html";

      portal.onload = t.step_func_done();

      w.document.body.appendChild(portal);

  }, "Tests that the load event is dispatched when a portal finishes loading.");

</script>