selection-range-in-shadow-after-the-shadow-removed.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /selection/selection-range-in-shadow-after-the-shadow-removed.tentative.html?mode=closed - WPT Dashboard Interop Dashboard
- /selection/selection-range-in-shadow-after-the-shadow-removed.tentative.html?mode=open - WPT Dashboard Interop Dashboard

<!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>