chromium/third_party/blink/web_tests/http/tests/navigation/resources/redirect-load.html

<html>
<head>
    <script>
        function test()
        {
            var c = document.getElementById('console');
            c.innerHTML = document.getElementById('tf').value;
            if (window.testRunner) {
                testRunner.notifyDone();
            }
        }
    </script>
</head>
<body onload="test()">
This tests that the old url's document state (including the form state) is not restored for the new url after a redirect.<br>
<input name="some_name" id="tf" value="Test Passed">
<div id="console"></div>
</body>
</html>