third_party/WebKit/LayoutTests/plugins/form-value.html

<p>This tests that WebKit can obtain form value from plugins</p>
<form action="" id="form">
    <object type="application/x-webkit-test-netscape" test="form-value" name="plugin"></object>
</form>
<div id="console"></div>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function log(message) {
    var div = document.createElement('div');
    div.innerHTML = message;
    var console = document.getElementById('console');
    console.appendChild(div);
}

if (document.location.href.indexOf('?') == -1) {
    document.getElementById('form').submit();
} else {
    var values = document.location.search.substring(1);
    log('form values: "' + values + '"');
    if (values == 'plugin=Plugin+form+value')
        log('PASS: The form value was successfully obtained.');
    else
        log('FAIL: Could not obtain the form value correctly.');
    if (window.testRunner)
        testRunner.notifyDone();
}
</script>