portals-activate-network-error.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/portals-activate-network-error.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

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

<body>

<script>

async_test(t => {

  assert_implements("HTMLPortalElement" in self);

  let portal = document.createElement('portal');

  portal.src = "resources/invalid.asis";

  document.body.appendChild(portal);

  t.add_cleanup(() => { document.body.removeChild(portal); });

  t.step_timeout(async () => {

    await promise_rejects_dom(t, 'InvalidStateError', portal.activate());

    t.done();

  }, 2000);

}, "A portal that is showing inline content for a network error cannot be activated");

</script>

</body>