Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/shadow-dom/focus/ShadowRoot-delegatesFocus.html 

<!DOCTYPE html>
<meta charset="utf-8">
<title>ShadowRoot's  delegatesFocus attribute</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="host1"></div>
<div id="host2"></div>
<div id="host3"></div>
<script>
test(t => {
  const host = document.getElementById("host1");
  const shadowRoot = host.attachShadow({mode: "closed"});
  assert_equals(shadowRoot.delegatesFocus, false);
}, "default delegatesFocus value");

test(t => {
  const host = document.getElementById("host2");
  const shadowRoot = host.attachShadow({mode: "closed", delegatesFocus: false});
  assert_equals(shadowRoot.delegatesFocus, false);
}, "delegatesFocus set to false in init dict");

test(t => {
  const host = document.getElementById("host3");
  const shadowRoot = host.attachShadow({mode: "closed", delegatesFocus: true});
  assert_equals(shadowRoot.delegatesFocus, true);
}, "delegatesFocus set to true in init dict");
</script>