// META: script=websocket.sub.js

        var wsocket;
        test(function() {
            assert_throws("SYNTAX_ERR", function () { wsocket = new WebSocket("/echo") });
        }, "Url is /echo - should throw SYNTAX_ERR");

        test(function () {
            assert_throws("SYNTAX_ERR", function () { wsocket = new WebSocket("mailto:microsoft@microsoft.com") });
        }, "Url is a mail address - should throw SYNTAX_ERR");

        test(function () {
            assert_throws("SYNTAX_ERR", function () { wsocket = new WebSocket("about:blank") });
        }, "Url is about:blank - should throw SYNTAX_ERR");

        test(function () {
            assert_throws("SYNTAX_ERR", function () { wsocket = new WebSocket("?test") });
        }, "Url is ?test - should throw SYNTAX_ERR");

        test(function () {
            assert_throws("SYNTAX_ERR", function () { wsocket = new WebSocket("#test") });
        }, "Url is #test - should throw SYNTAX_ERR");