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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="variant" content="?mode=closed">
<meta name="variant" content="?mode=open">
<title>Range in shadow after removing the shadow</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
"use strict";
addEventListener("load", () => {
const mode = (new URLSearchParams(document.location.search)).get("mode");
test(() => {
const host = document.createElement("div");
host.id = "host";
const root = host.attachShadow({mode});
root.innerHTML = '<div id="in-shadow">ABC</div>';
document.body.appendChild(host);
const range = document.createRange();
range.setStart(root.firstChild, 1);
host.remove();
assert_equals(range.startContainer, root.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 1, "startOffset should not be changed");
}, "Range in shadow should stay in the shadow after the host is removed");
test(() => {
const wrapper = document.createElement("div");
wrapper.id = "wrapper";
const host = document.createElement("div");
host.id = "host";
const root = host.attachShadow({mode});
root.innerHTML = '<div id="in-shadow">ABC</div>';
wrapper.appendChild(host);
document.body.appendChild(wrapper);
const range = document.createRange();
range.setStart(root.firstChild, 1);
wrapper.remove();
assert_equals(range.startContainer, root.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 1, "startOffset should not be changed");
}, "Range in shadow should stay in the shadow after the host parent is removed");
}, {once: true});
</script>
</head>
<body></body>
</html>
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