chromium/third_party/blink/web_tests/external/wpt/html/syntax/parsing/foreign_content_003.html

<!DOCTYPE html>
<html>
    <head>
        <title>HTML 5 Foreign Content SVG in HTML </title>
        <meta description="Test to verify SVG inside HTML BUTTON element parses correctly" />
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />

        <script type="text/javascript">
            function RunTest()
            {
                try
                {
                    var svgNS = "http://www.w3.org/2000/svg";
                    if(document.getElementsByTagName("button")[0].childNodes[1].localName=="svg" && document.getElementsByTagName("rect")[0].namespaceURI==svgNS)
                    {
                        document.getElementsByTagName("rect")[0].setAttribute("fill","green");
                    }
                    else
                    {
                        document.getElementsByTagName("rect")[0].setAttribute("fill","red");
                    }
                }
                catch(ex)
                {
                    document.getElementsByTagName("rect")[0].setAttribute("fill","red")
                }
            }
        </script>
    </head>

    <body onLoad="RunTest()">

        <div class="testdata">
            <p id="instructions">Test passes if the button has a green rectangle while 'FillerText1' and 'FillerText3' are on either side of the button.</p>
        </div>
        <div>
            FillerText1
            <button>
                <svg width="100px" height="100px">
                   <rect width="100px" height="100px" fill="none" />
                </svg>

            </button>
            FillerText3
        </div>
    </body>
</html>