chromium/third_party/blink/web_tests/fast/forms/clone-input-with-dirty-value.html

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<p>This tests cloning an input element with an edited value.
The cloned input element should retain the edited value and you should see PASSED blow.</p>
<pre id="log"></pre>
<div><input id="test" title="1" type="text" value="FAIL"></div>
<script type="text/javascript">

if (window.testRunner)
    testRunner.dumpAsText();

var test = document.getElementById('test');
test.value = 'PASS';

var x = test.offsetLeft; // Force layout

var clone = test.cloneNode(true);
test.parentNode.appendChild(clone);
test.value = '';

clone.focus();
clone.selectionStart = clone.selectionEnd = clone.value.length;
document.execCommand('InsertText', false, 'ED');

document.getElementById('log').textContent = clone.value;

</script>
</body>
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