chromium/third_party/blink/web_tests/external/wpt/editing/other/selectall-without-focus.html

<!DOCTYPE HTML>
<head>
<meta charset=utf-8>
<title>Select All without focus should select not select only in the editing host</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";

addEventListener("DOMContentLoaded", () => {
  test(() => {
    document.head.remove();
    document.execCommand("selectAll");
    assert_false(
      getSelection().isCollapsed,
      'Selection should not be collapsed after calling document.execCommand("selectAll")'
    );
    const rangeText = getSelection().toString();
    assert_true(
      rangeText.includes("preceding text"),
      "Selection should contain the preceding text of the editing host"
    );
    assert_true(
      rangeText.includes("editable text"),
      "Selection should contain the editable text in the editing host"
    );
    getSelection().removeAllRanges();
  }, "execCommand('selectAll') should select all content in the document even if the document body ends with editable content");

  test(() => {
    document.querySelector("p").innerHTML = "preceding text <input value='input value'>";
    getSelection().collapse(document.querySelector("input"), 0);
    document.execCommand("selectAll");
    assert_false(
      getSelection().isCollapsed,
      'Selection should not be collapsed after calling document.execCommand("selectAll")'
    );
    const rangeText = getSelection().toString();
    assert_true(
      rangeText.includes("preceding text"),
      "Selection should contain the preceding text of the editing host"
    );
    assert_true(
      rangeText.includes("editable text"),
      "Selection should contain the editable text in the editing host"
    );
    getSelection().removeAllRanges();
  }, "execCommand('selectAll') should select all content in the document when selection is in <input>");

  test(() => {
    document.querySelector("p").innerHTML = "preceding text <textarea>textarea value</textarea>";
    getSelection().collapse(document.querySelector("textarea"), 0);
    document.execCommand("selectAll");
    assert_false(
      getSelection().isCollapsed,
      'Selection should not be collapsed after calling document.execCommand("selectAll")'
    );
    const rangeText = getSelection().toString();
    assert_true(
      rangeText.includes("preceding text"),
      "Selection should contain the preceding text of the editing host"
    );
    assert_true(
      rangeText.includes("editable text"),
      "Selection should contain the editable text in the editing host"
    );
    getSelection().removeAllRanges();
  }, "execCommand('selectAll') should select all content in the document when selection is in <textarea>");
});
</script>
</head>
<p>preceding text</p>
<div contenteditable>editable text