portal-activate-event.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /portals/portal-activate-event.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests that the PortalActivateEvent is dispatched when a portal is activated</title>

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

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

<script>

  async_test(function(t) {

    assert_implements("HTMLPortalElement" in self);

    let test = "eventlistener";

    var bc = new BroadcastChannel(`test-${test}`);

    bc.onmessage = t.step_func_done(function(e) {

      assert_equals(e.data, "passed");

      bc.close();

});

    const portalUrl = encodeURIComponent(`portal-activate-event-portal.html?test=${test}`);

    window.open(`resources/portal-embed-and-activate.html?url=${portalUrl}`);

  }, "Tests that the PortalActivateEvent is dispatched when a portal is activated.");

  async_test(function(t) {

    assert_implements("HTMLPortalElement" in self);

    let test = "eventhandler";

    var bc = new BroadcastChannel(`test-${test}`);

    bc.onmessage = t.step_func_done(function(e) {

      assert_equals(e.data, "passed");

      bc.close();

});

    const portalUrl = encodeURIComponent(`portal-activate-event-portal.html?test=${test}`);

    window.open(`resources/portal-embed-and-activate.html?url=${portalUrl}`);

  }, "Tests that the portalactivate event handler is dispatched when a portal is activated.");

  async_test(function(t) {

    assert_implements("HTMLPortalElement" in self);

    let test = "bodyeventhandler";

    var bc = new BroadcastChannel(`test-${test}`);

    bc.onmessage = t.step_func_done(function(e) {

      assert_equals(e.data, "passed");

      bc.close();

});

    const portalUrl = encodeURIComponent(`portal-activate-event-portal.html?test=${test}`);

    window.open(`resources/portal-embed-and-activate.html?url=${portalUrl}`);

  }, "Tests that the HTMLBodyElement has the portalactivate event handler.");

</script>