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selection-range-in-shadow-after-the-shadow-removed.tentative.html
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selection-range-in-shadow-after-the-shadow-removed.tentative.html
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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>Selection 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");
const container = document.querySelector("div");
test(() => {
const host = document.createElement("div");
host.id = "host";
const root = host.attachShadow({mode});
root.innerHTML = '<div id="in-shadow">ABC</div>';
container.appendChild(host);
getSelection().collapse(root.firstChild.firstChild, 2);
const range = getSelection().getRangeAt(0);
host.remove();
// The range should be kept in the shadow because it's referred by JS as
// a range.
assert_equals(range.startContainer, root.firstChild.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 2, "startOffset should not be changed");
// It may be reasonable to just remove the range in removed shadow.
// This matches with move-selection-range-into-different-root.tentative.html
assert_equals(getSelection().rangeCount, 0, "Selection should not have the range in removed shadow");
}, "Selection range in shadow should not be as a selection range 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);
container.appendChild(wrapper);
getSelection().collapse(root.firstChild.firstChild, 2);
const range = getSelection().getRangeAt(0);
wrapper.remove();
// The range should be kept in the shadow because it's referred by JS as
// a range.
assert_equals(range.startContainer, root.firstChild.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 2, "startOffset should not be changed");
// It may be reasonable to just remove the range in removed shadow.
// This matches with move-selection-range-into-different-root.tentative.html
assert_equals(getSelection().rangeCount, 0, "Selection should not have the range in removed shadow");
}, "Selection range in shadow should not be as a selection range after the host parent is removed");
test(() => {
const host = document.createElement("div");
host.id = "host";
const root = host.attachShadow({mode});
root.innerHTML = '<div id="in-shadow">ABC</div>';
container.appendChild(host);
getSelection().collapse(root.firstChild.firstChild, 2);
const range = getSelection().getRangeAt(0);
host.replaceWith(host);
// The range should be kept in the shadow because it's referred by JS as
// a range.
assert_equals(range.startContainer, root.firstChild.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 2, "startOffset should not be changed");
// It may be reasonable to just remove the range in removed shadow.
// This matches with move-selection-range-into-different-root.tentative.html
assert_equals(getSelection().rangeCount, 0, "Selection should not have the range in removed shadow");
host.remove();
}, "Selection range in shadow should not be as a selection range after the host is replaced with itself (.replaceWith)");
test(() => {
const host = document.createElement("div");
host.id = "host";
const root = host.attachShadow({mode});
root.innerHTML = '<div id="in-shadow">ABC</div>';
container.appendChild(host);
getSelection().collapse(root.firstChild.firstChild, 2);
const range = getSelection().getRangeAt(0);
container.replaceChild(host, host);
// The range should be kept in the shadow because it's referred by JS as
// a range.
assert_equals(range.startContainer, root.firstChild.firstChild, "startContainer should not be changed");
assert_equals(range.startOffset, 2, "startOffset should not be changed");
// It may be reasonable to just remove the range in removed shadow.
// This matches with move-selection-range-into-different-root.tentative.html
assert_equals(getSelection().rangeCount, 0, "Selection should not have the range in removed shadow");
host.remove();
}, "Selection range in shadow should not be as a selection range after the host is replaced with itself (.replaceChild");
}, {once: true});
</script>
</head>
<body><div id="container"></div></body>
</html>