chromium/third_party/blink/web_tests/editing/deleting/delete-line-015.html

<!doctype html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../assert_selection.js"></script>
<script>
// This tests deletion of an empty line starting inside a <div> element,
// but ending outside that element (just before a <br>). If the deletion is
// successful, the result should have two lines, and the insertion point
// should be on the second line, at the end of the editable area.
selection_test(
    [
        '<div contenteditable>',
            '<div>a</div><div>^<br></div>|<br>',
        '</div>',
    ],
    'Delete',
    [
        '<div contenteditable>',
            '<div>a</div><div>|<br></div>',
        '</div>',
    ],
    'Delete an empty line starting inside a <div>');
</script>