<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Security-Policy" content="form-action 127.0.0.1:8000">
<script>
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }
    window.addEventListener('load', function() {
        setTimeout(function() {
            document.getElementById('submit').click();
        }, 0);
    });

    window.addEventListener('securitypolicyviolation', e => {
        document.body.innerHTML += `blockedURI = <b>${e.blockedURI}</b><br/><br/>`;
        testRunner.notifyDone();
    });

</script>
</head>
<body>
    <form id="form1" action="/navigation/resources/redirection-response.py?host=localhost:8000&status=302&target=form-target.pl" method="post">
        <input type='text' name='fieldname' value='fieldvalue'>
        <input type='submit' id='submit' value='submit'>
    </form>

    <p>
    Tests that blocking form redirect reports the correct blockedURI.
    </p>
</body>
</html>