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  • This test ran 965 times in the preceding 7 days with an average run time of 0.49 secs.
<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focus - the sequential focus navigation order with shadow dom that delegates focus and all tabindex=-1 in shadow tree</title>
<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>
// Structure:
// <div #aboveHost tabindex=0>
// <div #host tabindex=0>
// #shadowRoot (delegatesFocus)
// <div #aboveSlot tabindex=-1>
// <slot #slotAbove tabindex=-1>
// (slotted) <div #slottedAbove tabindex=-1>
// <slot #slotBelow tabindex=-1>
// (slotted) <div #slottedBelow tabindex=-1>
// <div #belowSlot tabindex=-1>
// <div #belowHost tabindex=0>
promise_test(() => {
let elementsInFlatTreeOrder;
let [aboveHost, host, aboveSlot, slotAbove, slottedAbove, slotBelow, slottedBelow, belowSlot, belowHost] = elementsInFlatTreeOrder = prepareDOM(document.body, true);
setTabIndex(elementsInFlatTreeOrder, -1);
setTabIndex([aboveHost, host, belowHost], 0);
// Focus should only land on #aboveHost and #belowHost (all others are non-sequentially focusable).
return assertFocusOrder([aboveHost, belowHost]);
}, "Order when all tabindex=-1 is and delegatesFocus = true");