event-dispatch-order.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/event-dispatch-order.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Shadow DOM: event dispatch order for capture and non-capture listerns at a shadow host</title>

<meta name="author" title="Hayato Ito" href="mailto:hayato@google.com">

<link rel="help" href="https://github.com/whatwg/dom/issues/685">

<link rel="help" href="https://github.com/whatwg/dom/pull/686">

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

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

<script src="resources/shadow-dom.js"></script>

<div id=host>

  <template id=shadowroot data-mode=open>

    <div id=target></div>

  </template>

</div>

<script>

test(() => {

  let nodes = createTestTree(host);

  let log = dispatchEventWithLog(nodes, nodes.target,

                                 new Event('my-event', { bubbles: true, composed: true }),

                                 { capture: true });

  let path = ['target', 'shadowroot', 'host'];

  assert_event_path_equals(log,

                           [['host', 'host', null, path, 'capture'],

                            ['shadowroot', 'target', null, path, 'capture'],

                            ['target', 'target', null, path, 'capture'],

                            ['target', 'target', null, path, 'non-capture'],

                            ['shadowroot', 'target', null, path, 'non-capture'],

                            ['host', 'host', null, path, 'non-capture'],

]);

}, 'Event dispatch order: capture listerns should be called in capturing phase at a shadow host');

</script>