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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: d687e029cdd49250b4446518d1d4ad11d5354e0a authored by Philip Jägenstedt on 03 December 2018, 14:22:18 UTC
Rename audio-output idlharness test for secure context change
Tip revision: d687e02
inert-in-shadow-dom.tentative.html 
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>inert inside ShadowRoot affects slotted content</title>
    <link rel="author" title="Alice Boxhall" href="aboxhall@chromium.org">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
</head>
<body>
  <div>Button 1 should be inert, and Button 2 should not be inert.</div>
  <div id="shadow-host">
    <button slot="slot-1" id="button-1">Button 1 (inert)</button>
    <button slot="slot-2" id="button-2">Button 2 (not inert)</button>
  </div>
  <script>
    const shadowHost = document.getElementById("shadow-host");
    const shadowRoot = shadowHost.attachShadow({ mode: "open" });
    const inertDiv = document.createElement("div");
    inertDiv.inert = true;
    shadowRoot.appendChild(inertDiv);
    const slot1 = document.createElement("slot");
    slot1.name = "slot-1";
    inertDiv.appendChild(slot1);
    const slot2 = document.createElement("slot");
    slot2.name = "slot-2";
    shadowRoot.appendChild(slot2);

    function testCanFocus(selector, canFocus) {
      const element = document.querySelector(selector);
      let focusedElement = null;
      element.addEventListener("focus", function() { focusedElement = element; }, false);
      element.focus();
      assert_equals((focusedElement === element), canFocus);
    }

    test(() => {
      testCanFocus("#button-1", false);
      testCanFocus("#button-2", true);
    }, "inert inside ShadowRoot affects slotted content");
  </script>
</body>
</html>
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