LayoutTests/platform/mac/editing/input/secure-input.html

<body>
<input value="text">
<input type=password value="pass">
<p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=19347">bug 19347</a>:
Input methods do not work after switching to a password field and back.</p>
<p>Also verifies that password fields cannot be accessed via text input APIs.</p>
<script>
    function textResult(str) {
        if (!str)
            return str;
        return str.string();
    }

    var console_messages = document.createElement("ol");
    document.body.appendChild(console_messages);
    
    function log(message)
    {
        var item = document.createElement("li");
        item.appendChild(document.createTextNode(message));
        console_messages.appendChild(item);
    }

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

        var textInput = document.getElementsByTagName("input")[0];
        var passwordInput = document.getElementsByTagName("input")[1];

        textInput.focus();
        log(textResult(textInputController.attributedSubstringFromRange(0, 4)));

        passwordInput.focus();
        log(textResult(textInputController.attributedSubstringFromRange(0, 4)));

        textInput.focus();
        log(textResult(textInputController.attributedSubstringFromRange(0, 4)));

        passwordInput.focus();
        log(textResult(textInputController.attributedSubstringFromRange(0, 4)));
    } else {
        document.write("This test only works as an automated one.");
    }
</script>
</body>