LayoutTests/editing/inserting/5510537.html

<html>
    <head>
        <style>
            blockquote {
                color: blue;
                border-left: 2px solid blue;
                margin: 0px;
                padding-left: 10px;
            }
        </style>
        <script src="../../resources/dump-as-markup.js"></script>
        <script>
            function test()
            {
                Markup.description(`This tests that inserting a newline at the beginning of quoted content doesn't add an extra quoted line.
The test has passed if there are no empty lines (quoted or unquoted).`);
                var s = window.getSelection();
                s.setPosition(document.getElementById('qt'), 0);
                document.execCommand("InsertNewlineInQuotedContent");
                document.execCommand("InsertText", true, "unquoted");
                s.setPosition(document.getElementById('qt2'), 0);
                document.execCommand("InsertNewlineInQuotedContent");
                document.execCommand("InsertText", true, "unquoted");
                Markup.dump(document.body);
                Markup.notifyDone();
            }
            Markup.noAutoDump();
        </script>
    </head>
    <body onload="test()">
        <p></p>
        <div contenteditable="true">
            <blockquote type="cite"><div id="qt">quote level one</div></blockquote>
            <blockquote type="cite"><div>quote level one</div><div><blockquote type="cite"><div id="qt2">quote level two</div></blockquote></div></blockquote>
        </div>
    </body>
</html>