focus-tabindex-order-shadow-varying-tabindex.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/focus/focus-tabindex-order-shadow-varying-tabindex.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>HTML Test: focus - the sequential focus navigation order with shadow dom with varying tabindex values</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-focus-navigation">

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

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

<body>

<script>

// Structure:

// <div #aboveHost tabindex=3>

// <div #host tabindex=3>

//    #shadowRoot

//      <div #aboveSlot tabindex=2>

//      <slot #slotAbove tabindex=1>

//        (slotted) <div #slottedAbove tabindex=4>

//      <slot #slotBelow tabindex=1>

//        (slotted) <div #slottedBelow tabindex=4>

//      <div #belowSlot tabindex=2>

// <div #belowHost tabindex=3>

promise_test(() => {

  let elementsInFlatTreeOrder;

  let [aboveHost, host, aboveSlot, slotAbove, slottedAbove, slotBelow, slottedBelow, belowSlot, belowHost] =

    elementsInFlatTreeOrder = prepareDOM(document.body, false);

  setTabIndex([slotAbove, slotBelow], 1);

  setTabIndex([aboveSlot, belowSlot], 2);

  setTabIndex([aboveHost, host, belowHost], 3);

  setTabIndex([slottedAbove, slottedBelow], 4);

  resetFocus();

  return assertFocusOrder([aboveHost, host, slottedAbove, slottedBelow, aboveSlot, belowSlot, belowHost]);

}, "Order with various tabindex values");

</script>

</body>