chromium/third_party/blink/web_tests/fast/forms/form-get-textplain.html

<html>
<head>
<title>Regression test for bug 20795</title>
</head>
<body>
<p>This is a negative test for https://bugs.webkit.org/show_bug.cgi?id=20795, it makes sure that forms submitted using GET with a content-type of text/plain actually send data in URL encoded in the URL</p>
<form enctype="text/plain" method="get" action="?" name="f">
    <input type="hidden" name="f1" value="This is field #1 &!@$%\n='<>">
    <input type="hidden" name="f2" value='This is field #2 ""'>
    <input type="submit" value="press me">
</form>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

if (document.URL.substring(0, 4) == "file") {

    if (document.URL.indexOf('?') == -1) {

        document.f.submit();

    } else {

	document.f.style.display="none";
        if (document.URL.substring(document.URL.indexOf('?')+1, document.URL.length) == "f1=This+is+field+%231+%26%21%40%24%25%5Cn%3D%27%3C%3E&f2=This+is+field+%232+%22%22")
            document.write("<p>Success</p>");
        else
            document.write("<p>Failure: (" + document.URL + ")</p>");

        if (window.testRunner)
            testRunner.notifyDone();
    }

} else {

    document.write("<p>This test doesn't work directly from bugzilla, please save it to a local file first.</p>");
}
</script>
</body>
</html>