paste-text-at-tabspan-003.html | Explore in Territory

<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../assert_selection.js"></script>
<script>
selection_test(
    [
        '<div contenteditable>',
            'a<span style="white-space:pre">\t\t\t|</span>z',
        '</div>',
    ],
    selection => {
        if (!window.internals)
            throw 'This test requires internals.';
        selection.setClipboardData('X');
        selection.document.execCommand('paste');
    },
    [
        '<div contenteditable>',
            'a<span style="white-space:pre">\t\t\t</span>X|z',
        '</div>',
    ],
    'Paste in tabspan');
</script>

chromium/third_party/blink/web_tests/editing/pasteboard/paste-text-at-tabspan-003.html