live-range-updates.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/tentative/live-range-updates.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<script src='/resources/testharness.js'></script>

<script src='/resources/testharnessreport.js'></script>

</head>

<body>

</body>

<script>

'use strict';

test(t => {

  document.body.innerHTML = `

    <div id=old_parent>

      <span id=start>RangeStartTarget</span>

      <span id=middle>Middle</span>

      <span id=end>RangeEndTarget</span>

    </div>`;

  const range = new Range();

  range.setStart(start, 0);

  range.setEnd(end, 0);

  assert_true(range.intersectsNode(middle), "Intersection before move");

  // Moves `start` span to the very bottom of the container.

  old_parent.moveBefore(start, null);

  // In an ordinary removal, when a node whose descendant is the start (or end)

  // of a live range is removed, the range's start is set to the removed node's

  // parent. This does not happen during a `moveBefore()`.

  assert_equals(range.startContainer, start, "startContainer does not update after move");

  assert_equals(range.endContainer, end, "endContainer does not update after move");

  assert_false(range.intersectsNode(middle), "range no longer intersects " +

      "middle node after move");

}, "moveBefore does not cause range startContainer to snap up to parent when " +

   "startContainer is moved");

test(t => {

  document.body.innerHTML = `

    <div id=old_parent>

      <div id=movable_div>

        <span id=start>RangeStartTarget</span>

        <span id=middle>Middle</span>

      </div>

      <span id=end>RangeEndTarget</span>

    </div>

    <div id=new_parent></div>`;

  const range = new Range();

  range.setStart(start, 0);

  range.setEnd(end, 0);

  assert_true(range.intersectsNode(middle), "Intersection before move");

  new_parent.moveBefore(movable_div, null);

  assert_not_equals(range.startContainer, old_parent, "startContainer does " +

      "not snap up to moved ancestor node's parent");

  assert_equals(range.startContainer, start, "startContainer does not update after move");

  assert_equals(range.endContainer, end, "endContainer does not update after move");

  assert_false(range.intersectsNode(middle), "range no longer intersects " +

      "middle node after move");

}, "moveBefore does not cause range startContainer to snap up to parent, when " +

   "startContainer ancestor is moved");

test(t => {

  document.body.innerHTML = `

    <div id=old_parent>

      <span id=start>RangeStartTarget</span>

      <div id=movable_div>

        <span id=end>RangeEndTarget</span>

      </div>

    </div>

    <div id=new_parent>

      <span id=middle>Middle</span>

    </div>`;

  const range = new Range();

  range.setStart(start, 0);

  range.setEnd(end, 0);

  assert_false(range.intersectsNode(middle), "No intersection before move");

  new_parent.moveBefore(movable_div, null);

  assert_not_equals(range.endContainer, old_parent, "endContainer does not " +

      "snap up to moved ancestor node's parent");

  assert_equals(range.startContainer, start, "startContainer does not update after move");

  assert_equals(range.endContainer, end, "endContainer does not update after move");

  assert_true(range.intersectsNode(middle), "range intersects middle node after move");

}, "moveBefore does not cause range endContainer to snap up to parent, when " +

   "endContainer ancestor is moved");

</script>

</html>