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  • This test ran 965 times in the preceding 7 days with an average run time of 0.70 secs.
<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: click on shadow host with delegatesFocus</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>
<body>
<div id="host">
<div id="slotted">slotted</div>
</div>
<div id="outside">outside</div>
</body>
<script>
const host = document.getElementById("host");
const slotted = document.getElementById("slotted");
const shadowRoot = host.attachShadow({ mode: "open", delegatesFocus: true });
const aboveSlot = document.createElement("div");
aboveSlot.innerText = "aboveSlot";
const slot = document.createElement("slot");
// Add an unfocusable spacer, because test_driver.click will click on the
// center point of #host, and we don't want the click to land on #aboveSlot
// or #slot.
const spacer = document.createElement("div");
spacer.style = "height: 1000px;";
shadowRoot.appendChild(spacer);
shadowRoot.appendChild(aboveSlot);
shadowRoot.appendChild(slot);
const elementsInFlatTreeOrder = [host, aboveSlot, spacer, slot, slotted, outside];
// Final structure:
// <div #host> (delegatesFocus=true)
// #shadowRoot
// <div #spacer>
// <div #aboveSlot>
// <slot #slot>
// (slotted) <div #slotted>
// <div #outside>
function setAllTabIndex(value) {
setTabIndex(elementsInFlatTreeOrder, value);
}
function removeAllTabIndex() {
removeTabIndex(elementsInFlatTreeOrder);
}
function resetTabIndexAndFocus() {
removeAllTabIndex();
resetFocus(document);
resetFocus(shadowRoot);
}
promise_test(async () => {
resetTabIndexAndFocus();
setTabIndex([aboveSlot], 2);
setTabIndex([slot, slotted], 1);
await test_driver.click(host);
assert_equals(shadowRoot.activeElement, aboveSlot);
assert_equals(document.activeElement, host);
}, "click on host with delegatesFocus, #aboveSlot tabindex = 2, #slot and #slotted tabindex = 1");
</script>