third_party/WebKit/LayoutTests/editing/execCommand/insert-list-and-stitch.html

<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<p>The three items below should be stitched together into one ordered list when you click the button.</div>
<div id="sample" contenteditable="true">
<div id="item1">foo</div>
<div id="item2">bar</div>
<div id="item3">baz</div>
</div>
<div id="log"></div>
<script>
test(function() {
    var selection = window.getSelection();
    selection.collapse(document.getElementById('item1'), 0);
    document.execCommand('InsertOrderedList');
    selection.collapse(document.getElementById('item2'), 0);
    document.execCommand('InsertOrderedList');
    selection.collapse(document.getElementById('item3'), 0);
    document.execCommand('InsertOrderedList');

    var sample = document.getElementById('sample');
    assert_equals(sample.innerHTML, '\n<div id="item1"><ol><li>foo<br></li><li>bar<br></li><li>baz<br></li></ol></div>\n\n\n');
});
</script>