/*
 * Copyright 2016 Jacek Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

var compat_version;
var tests = [];

sync_test("builtin_toString", function() {
    var tags = [
        [ "abbr",            "Phrase" ],
        [ "acronym",         "Phrase" ],
        [ "address",         "Block" ],
     // [ "applet",          "Applet" ],  // makes Windows pop up a dialog box
        [ "article",         "" ],
        [ "aside",           "" ],
        [ "audio",           "Audio" ],
        [ "b",               "Phrase" ],
        [ "base",            "Base" ],
        [ "basefont",        "BaseFont" ],
        [ "bdi",             "Unknown" ],
        [ "bdo",             "Phrase" ],
        [ "big",             "Phrase" ],
        [ "blockquote",      "Block" ],
        [ "body",            "Body" ],
        [ "br",              "BR" ],
        [ "button",          "Button" ],
        [ "canvas",          "Canvas" ],
        [ "caption",         "TableCaption" ],
        [ "center",          "Block" ],
        [ "cite",            "Phrase" ],
        [ "code",            "Phrase" ],
        [ "col",             "TableCol" ],
        [ "colgroup",        "TableCol" ],
        [ "data",            "Unknown" ],
        [ "datalist",        "DataList", 10 ],
        [ "dd",              "DD" ],
        [ "del",             "Mod" ],
        [ "details",         "Unknown" ],
        [ "dfn",             "Phrase" ],
        [ "dialog",          "Unknown" ],
        [ "dir",             "Directory" ],
        [ "div",             "Div" ],
        [ "dl",              "DList" ],
        [ "dt",              "DT" ],
        [ "em",              "Phrase" ],
        [ "embed",           "Embed" ],
        [ "fieldset",        "FieldSet" ],
        [ "figcaption",      "" ],
        [ "figure",          "" ],
        [ "font",            "Font" ],
        [ "footer",          "" ],
        [ "form",            "Form" ],
        [ "frame",           "Frame" ],
        [ "frameset",        "FrameSet" ],
        [ "h1",              "Heading" ],
        [ "h2",              "Heading" ],
        [ "h3",              "Heading" ],
        [ "h4",              "Heading" ],
        [ "h5",              "Heading" ],
        [ "h6",              "Heading" ],
        [ "h7",              "Unknown" ],
        [ "head",            "Head" ],
        [ "header",          "" ],
        [ "hr",              "HR" ],
        [ "html",            "Html" ],
        [ "i",               "Phrase" ],
        [ "iframe",          "IFrame" ],
        [ "img",             "Image" ],
        [ "input",           "Input" ],
        [ "ins",             "Mod" ],
        [ "kbd",             "Phrase" ],
        [ "label",           "Label" ],
        [ "legend",          "Legend" ],
        [ "li",              "LI" ],
        [ "link",            "Link" ],
        [ "main",            "Unknown" ],
        [ "map",             "Map" ],
        [ "mark",            "" ],
        [ "meta",            "Meta" ],
        [ "meter",           "Unknown" ],
        [ "nav",             "" ],
        [ "noframes",        "" ],
        [ "noscript",        "" ],
        [ "object",          "Object" ],
        [ "ol",              "OList" ],
        [ "optgroup",        "OptGroup" ],
        [ "option",          "Option" ],
        [ "output",          "Unknown" ],
        [ "p",               "Paragraph" ],
        [ "param",           "Param" ],
        [ "picture",         "Unknown" ],
        [ "pre",             "Pre" ],
        [ "progress",        "Progress", 10 ],
        [ "q",               "Quote" ],
        [ "rp",              "Phrase" ],
        [ "rt",              "Phrase" ],
        [ "ruby",            "Phrase" ],
        [ "s",               "Phrase" ],
        [ "samp",            "Phrase" ],
        [ "script",          "Script" ],
        [ "section",         "" ],
        [ "select",          "Select" ],
        [ "small",           "Phrase" ],
        [ "source",          "Source" ],
        [ "span",            "Span" ],
        [ "strike",          "Phrase" ],
        [ "strong",          "Phrase" ],
        [ "style",           "Style" ],
        [ "sub",             "Phrase" ],
        [ "summary",         "Unknown" ],
        [ "sup",             "Phrase" ],
        [ "svg",             "Unknown" ],
        [ "table",           "Table" ],
        [ "tbody",           "TableSection" ],
        [ "td",              "TableDataCell" ],
        [ "template",        "Unknown" ],
        [ "textarea",        "TextArea" ],
        [ "tfoot",           "TableSection" ],
        [ "th",              "TableHeaderCell" ],
        [ "thead",           "TableSection" ],
        [ "time",            "Unknown" ],
        [ "title",           "Title" ],
        [ "tr",              "TableRow" ],
        [ "track",           "Track", 10 ],
        [ "tt",              "Phrase" ],
        [ "u",               "Phrase" ],
        [ "ul",              "UList" ],
        [ "var",             "Phrase" ],
        [ "video",           "Video" ],
        [ "wbr",             "" ],
        [ "winetest",        "Unknown" ]
    ];
    var v = document.documentMode, e;

    function test(msg, obj, name, tostr) {
        var s;
        if(obj.toString) {
            s = obj.toString();
            todo_wine_if(name !== "HTMLElement" && s === "[object HTMLElement]").
            ok(s === (tostr ? tostr : (v < 9 ? "[object]" : "[object " + name + "]")), msg + " toString returned " + s);
        }
        s = Object.prototype.toString.call(obj);
        todo_wine_if(v >= 9 && name != "Object").
        ok(s === (v < 9 ? "[object Object]" : "[object " + name + "]"), msg + " Object.toString returned " + s);
    }

    for(var i = 0; i < tags.length; i++)
        if(tags[i].length < 3 || v >= tags[i][2])
            test("tag '" + tags[i][0] + "'", document.createElement(tags[i][0]), "HTML" + tags[i][1] + "Element");

    e = document.createElement("a");
    ok(e.toString() === "", "tag 'a' (without href) toString returned " + e.toString());
    e.href = "https://www.winehq.org/";
    test("tag 'a'", e, "HTMLAnchorElement", "https://www.winehq.org/");

    e = document.createElement("area");
    ok(e.toString() === "", "tag 'area' (without href) toString returned " + e.toString());
    e.href = "https://www.winehq.org/";
    test("tag 'area'", e, "HTMLAreaElement", "https://www.winehq.org/");

    e = document.createElement("style");
    document.body.appendChild(e);
    var sheet = v >= 9 ? e.sheet : e.styleSheet;
    if(v >= 9)
        sheet.insertRule("div { border: none }", 0);
    else
        sheet.addRule("div", "border: none", 0);

    e = document.createElement("p");
    e.className = "testclass    another ";
    e.textContent = "Test content";
    e.style.border = "1px solid black";
    document.body.appendChild(e);

    var txtRange = document.body.createTextRange();
    txtRange.moveToElementText(e);

    var clientRects = e.getClientRects();
    if(!clientRects) win_skip("getClientRects() is buggy and not available, skipping");

    var currentStyle = e.currentStyle;
    if(!currentStyle) win_skip("currentStyle is buggy and not available, skipping");

    // w10pro64 testbot VM throws WININET_E_INTERNAL_ERROR for some reason
    var localStorage;
    try {
        localStorage = window.localStorage;
    }catch(e) {
        ok(e.number === 0x72ee4 - 0x80000000, "localStorage threw " + e.number + ": " + e);
    }
    if(!localStorage) win_skip("localStorage is buggy and not available, skipping");

    test("attribute", document.createAttribute("class"), "Attr");
    if(false /* todo_wine */) test("attributes", e.attributes, "NamedNodeMap");
    test("childNodes", document.body.childNodes, "NodeList");
    if(clientRects) test("clientRect", clientRects[0], "ClientRect");
    if(clientRects) test("clientRects", clientRects, "ClientRectList");
    if(currentStyle) test("currentStyle", currentStyle, "MSCurrentStyleCSSProperties");
    if(v >= 11 /* todo_wine */) test("document", document, v < 11 ? "Document" : "HTMLDocument");
    test("elements", document.getElementsByTagName("body"), "HTMLCollection");
    test("history", window.history, "History");
    test("implementation", document.implementation, "DOMImplementation");
    if(localStorage) test("localStorage", localStorage, "Storage");
    test("location", window.location, "Object", window.location.href);
    if(v >= 11 /* todo_wine */) test("mimeTypes", window.navigator.mimeTypes, v < 11 ? "MSMimeTypesCollection" : "MimeTypeArray");
    test("navigator", window.navigator, "Navigator");
    test("performance", window.performance, "Performance");
    test("performanceNavigation", window.performance.navigation, "PerformanceNavigation");
    test("performanceTiming", window.performance.timing, "PerformanceTiming");
    if(v >= 11 /* todo_wine */) test("plugins", window.navigator.plugins, v < 11 ? "MSPluginsCollection" : "PluginArray");
    test("screen", window.screen, "Screen");
    test("sessionStorage", window.sessionStorage, "Storage");
    test("style", document.body.style, "MSStyleCSSProperties");
    test("styleSheet", sheet, "CSSStyleSheet");
    test("styleSheetRule", sheet.rules[0], "CSSStyleRule");
    test("styleSheetRules", sheet.rules, "MSCSSRuleList");
    test("styleSheets", document.styleSheets, "StyleSheetList");
    test("textNode", document.createTextNode("testNode"), "Text", v < 9 ? "testNode" : null);
    test("textRange", txtRange, "TextRange");
    test("window", window, "Window", "[object Window]");
    test("xmlHttpRequest", new XMLHttpRequest(), "XMLHttpRequest");
    if(v < 10) {
        test("namespaces", document.namespaces, "MSNamespaceInfoCollection");
    }
    if(v < 11) {
        test("eventObject", document.createEventObject(), "MSEventObj");
        test("selection", document.selection, "MSSelection");
    }
    if(v >= 9) {
        test("computedStyle", window.getComputedStyle(e), "CSSStyleDeclaration");

        test("Event", document.createEvent("Event"), "Event");
        test("CustomEvent", document.createEvent("CustomEvent"), "CustomEvent");
        test("KeyboardEvent", document.createEvent("KeyboardEvent"), "KeyboardEvent");
        test("MouseEvent", document.createEvent("MouseEvent"), "MouseEvent");
        test("UIEvent", document.createEvent("UIEvent"), "UIEvent");
    }
    if(v >= 10) {
        test("classList", e.classList, "DOMTokenList", "testclass    another ");
        test("console", window.console, "Console");
    }
    if(v >= 9) {
        document.body.innerHTML = "<!--...-->";
        test("comment", document.body.firstChild, "Comment");
    }
});

sync_test("elem_props", function() {
    var elem = document.documentElement;

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in elem, prop + " not found in element.");
        else
            ok(!(prop in elem), prop + " found in element.");
    }

    var v = document.documentMode;

    test_exposed("doScroll", v < 11);
    test_exposed("readyState", v < 11);
    test_exposed("clientTop", true);
    test_exposed("title", true);
    test_exposed("querySelectorAll", v >= 8);
    test_exposed("textContent", v >= 9);
    test_exposed("prefix", v >= 9);
    test_exposed("firstElementChild", v >= 9);
    test_exposed("onsubmit", v >= 9);
    test_exposed("getElementsByClassName", v >= 9);
    test_exposed("removeAttributeNS", v >= 9);
    test_exposed("addEventListener", v >= 9);
    if (v != 8 /* todo_wine */) test_exposed("hasAttribute", v >= 8);
    test_exposed("removeEventListener", v >= 9);
    test_exposed("dispatchEvent", v >= 9);
    test_exposed("msSetPointerCapture", v >= 10);
    if (v >= 9) test_exposed("spellcheck", v >= 10);

    elem = document.createElement("style");
    test_exposed("media", true);
    test_exposed("type", true);
    test_exposed("disabled", true);
    test_exposed("media", true);
    test_exposed("sheet", v >= 9);
    test_exposed("readyState", v < 11);
    test_exposed("styleSheet", v < 11);
    test_exposed("classList", v >= 10);
});

sync_test("doc_props", function() {
    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in document, prop + " not found in document.");
        else
            ok(!(prop in document), prop + " found in document.");
    }

    var v = document.documentMode;

    test_exposed("textContent", v >= 9);
    test_exposed("prefix", v >= 9);
    test_exposed("defaultView", v >= 9);
    test_exposed("head", v >= 9);
    test_exposed("addEventListener", v >= 9);
    test_exposed("removeEventListener", v >= 9);
    test_exposed("dispatchEvent", v >= 9);
    test_exposed("createEvent", v >= 9);

    test_exposed("parentWindow", true);
    if(v >= 9) ok(document.defaultView === document.parentWindow, "defaultView != parentWindow");
});

sync_test("docfrag_props", function() {
    var docfrag = document.createDocumentFragment();

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in docfrag, prop + " not found in document fragent.");
        else
            ok(!(prop in docfrag), prop + " found in document fragent.");
    }

    var v = document.documentMode;

    test_exposed("compareDocumentPosition", v >= 9);
});

sync_test("window_props", function() {
    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in window, prop + " not found in window.");
        else
            ok(!(prop in window), prop + " found in window.");
    }

    var v = document.documentMode;

    test_exposed("postMessage", true);
    test_exposed("sessionStorage", true);
    test_exposed("localStorage", true);
    test_exposed("addEventListener", v >= 9);
    test_exposed("removeEventListener", v >= 9);
    test_exposed("dispatchEvent", v >= 9);
    test_exposed("getSelection", v >= 9);
    test_exposed("onfocusout", v >= 9);
    test_exposed("getComputedStyle", v >= 9);
    test_exposed("requestAnimationFrame", v >= 10);
    test_exposed("Map", v >= 11);
    test_exposed("Set", v >= 11);
    test_exposed("performance", true);
    test_exposed("console", v >= 10);
});

sync_test("xhr_props", function() {
    var xhr = new XMLHttpRequest();

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in xhr, prop + " not found in XMLHttpRequest.");
        else
            ok(!(prop in xhr), prop + " found in XMLHttpRequest.");
    }

    var v = document.documentMode;

    test_exposed("addEventListener", v >= 9);
    test_exposed("removeEventListener", v >= 9);
    test_exposed("dispatchEvent", v >= 9);
});

sync_test("stylesheet_props", function() {
    var v = document.documentMode;
    var elem = document.createElement("style");
    document.body.appendChild(elem);
    var sheet = v >= 9 ? elem.sheet : elem.styleSheet;

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in sheet, prop + " not found in style sheet.");
        else
            ok(!(prop in sheet), prop + " found in style sheet.");
    }

    test_exposed("href", true);
    test_exposed("title", true);
    test_exposed("type", true);
    test_exposed("media", true);
    test_exposed("ownerNode", v >= 9);
    test_exposed("ownerRule", v >= 9);
    test_exposed("cssRules", v >= 9);
    test_exposed("insertRule", v >= 9);
    test_exposed("deleteRule", v >= 9);
    test_exposed("disabled", true);
    test_exposed("parentStyleSheet", true);
    test_exposed("owningElement", true);
    test_exposed("readOnly", true);
    test_exposed("imports", true);
    test_exposed("id", true);
    test_exposed("addImport", true);
    test_exposed("addRule", true);
    test_exposed("removeImport", true);
    test_exposed("removeRule", true);
    test_exposed("cssText", true);
    test_exposed("rules", true);
});

sync_test("xhr open", function() {
    var e = false;
    try {
        (new XMLHttpRequest()).open("GET", "https://www.winehq.org/");
    }catch(ex) {
        e = true;
    }

    if(document.documentMode < 10)
        ok(e, "expected exception");
    else
        ok(!e, "unexpected exception");
});

sync_test("style_props", function() {
    var style = document.body.style;

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in style, prop + " not found in style object.");
        else
            ok(!(prop in style), prop + " found in style object.");
    }

    var v = document.documentMode;

    test_exposed("removeAttribute", true);
    test_exposed("zIndex", true);
    test_exposed("z-index", true);
    test_exposed("filter", true);
    test_exposed("pixelTop", true);
    test_exposed("float", true);
    test_exposed("css-float", false);
    test_exposed("style-float", false);
    test_exposed("setProperty", v >= 9);
    test_exposed("removeProperty", v >= 9);
    test_exposed("background-clip", v >= 9);
    test_exposed("msTransform", v >= 9);
    test_exposed("transform", v >= 10);

    style = document.body.currentStyle;

    test_exposed("zIndex", true);
    test_exposed("z-index", true);
    test_exposed("filter", true);
    test_exposed("pixelTop", false);
    test_exposed("float", true);
    test_exposed("css-float", false);
    test_exposed("style-float", false);
    test_exposed("setProperty", v >= 9);
    test_exposed("removeProperty", v >= 9);
    test_exposed("background-clip", v >= 9);
    test_exposed("transform", v >= 10);

    if(window.getComputedStyle) {
        style = window.getComputedStyle(document.body);

        test_exposed("removeAttribute", false);
        test_exposed("zIndex", true);
        test_exposed("z-index", true);
        test_exposed("pixelTop", false);
        test_exposed("float", true);
        test_exposed("css-float", false);
        test_exposed("style-float", false);
        test_exposed("setProperty", v >= 9);
        test_exposed("removeProperty", v >= 9);
        test_exposed("background-clip", v >= 9);
        test_exposed("transform", v >= 10);
    }
});

sync_test("createElement_inline_attr", function() {
    var v = document.documentMode, e, s;

    if(v < 9) {
        s = document.createElement("<div>").tagName;
        ok(s === "DIV", "<div>.tagName returned " + s);
        s = document.createElement("<div >").tagName;
        ok(s === "DIV", "<div >.tagName returned " + s);
        s = document.createElement("<div/>").tagName;
        ok(s === "DIV", "<div/>.tagName returned " + s);
        e = 0;
        try {
            document.createElement("<div");
        }catch(ex) {
            e = ex.number;
        }
        ok(e === 0x4005 - 0x80000000, "<div e = " + e);
        e = 0;
        try {
            document.createElement("<div test=1");
        }catch(ex) {
            e = ex.number;
        }
        ok(e === 0x4005 - 0x80000000, "<div test=1 e = " + e);

        var tags = [ "div", "head", "body", "title", "html" ];

        for(var i = 0; i < tags.length; i++) {
            e = document.createElement("<" + tags[i] + " test='a\"' abcd=\"&quot;b&#34;\">");
            ok(e.tagName === tags[i].toUpperCase(), "<" + tags[i] + " test=\"a\" abcd=\"b\">.tagName returned " + e.tagName);
            ok(e.test === "a\"", "<" + tags[i] + " test='a\"' abcd=\"&quot;b&#34;\">.test returned " + e.test);
            ok(e.abcd === "\"b\"", "<" + tags[i] + " test='a\"' abcd=\"&quot;b&#34;\">.abcd returned " + e.abcd);
        }
    }else {
        s = "";
        e = 0;
        try {
            document.createElement("<div>");
        }catch(ex) {
            s = ex.toString();
            e = ex.number;
        }
        todo_wine.
        ok(e === undefined, "<div> e = " + e);
        todo_wine.
        ok(s === "InvalidCharacterError", "<div> s = " + s);
        s = "";
        e = 0;
        try {
            document.createElement("<div test=\"a\">");
        }catch(ex) {
            s = ex.toString();
            e = ex.number;
        }
        todo_wine.
        ok(e === undefined, "<div test=\"a\"> e = " + e);
        todo_wine.
        ok(s === "InvalidCharacterError", "<div test=\"a\"> s = " + s);
    }
});

sync_test("JS objs", function() {
    var g = window;

    function test_exposed(func, obj, expect) {
        if(expect)
            ok(func in obj, func + " not found in " + obj);
        else
            ok(!(func in obj), func + " found in " + obj);
    }

    function test_parses(code, expect) {
        var success;
        try {
            eval(code);
            success = true;
        }catch(e) {
            success = false;
        }
        if(expect)
            ok(success === true, code + " did not parse");
        else
            ok(success === false, code + " parsed");
    }

    var v = document.documentMode;

    test_exposed("ScriptEngineMajorVersion", g, true);

    test_exposed("JSON", g, v >= 8);
    test_exposed("now", Date, true);
    test_exposed("toISOString", Date.prototype, v >= 9);
    test_exposed("isArray", Array, v >= 9);
    test_exposed("forEach", Array.prototype, v >= 9);
    test_exposed("indexOf", Array.prototype, v >= 9);
    test_exposed("trim", String.prototype, v >= 9);
    test_exposed("map", Array.prototype, v >= 9);

    /* FIXME: IE8 implements weird semi-functional property descriptors. */
    if(v != 8) {
        test_exposed("getOwnPropertyDescriptor", Object, v >= 8);
        test_exposed("defineProperty", Object, v >= 8);
        test_exposed("defineProperties", Object, v >= 8);
    }

    test_exposed("getPrototypeOf", Object, v >= 9);

    test_parses("if(false) { o.default; }", v >= 9);
    test_parses("if(false) { o.with; }", v >= 9);
    test_parses("if(false) { o.if; }", v >= 9);
});

sync_test("elem_by_id", function() {
    document.body.innerHTML = '<form id="testid" name="testname"></form>';

    var id_elem = document.getElementById("testid");
    ok(id_elem.tagName === "FORM", "id_elem.tagName = " + id_elem.tagName);

    var name_elem = document.getElementById("testname");
    if(document.documentMode < 8)
        ok(id_elem === name_elem, "id_elem != id_elem");
    else
        ok(name_elem === null, "name_elem != null");
});

sync_test("doc_mode", function() {
    compat_version = parseInt(document.location.search.substring(1));

    trace("Testing compatibility mode " + compat_version);

    if(compat_version > 6 && compat_version > document.documentMode) {
        win_skip("Document mode not supported (expected " + compat_version + " got " + document.documentMode + ")");
        reportSuccess();
        return;
    }

    ok(Math.max(compat_version, 5) === document.documentMode, "documentMode = " + document.documentMode);

    if(document.documentMode > 5)
        ok(document.compatMode === "CSS1Compat", "document.compatMode = " + document.compatMode);
    else
        ok(document.compatMode === "BackCompat", "document.compatMode = " + document.compatMode);
});

async_test("iframe_doc_mode", function() {
    var iframe = document.createElement("iframe");

    iframe.onload = function() {
        var iframe_mode = iframe.contentWindow.document.documentMode;
        if(document.documentMode < 9)
            ok(iframe_mode === 5, "iframe_mode = " + iframe_mode);
        else
            ok(iframe_mode === document.documentMode, "iframe_mode = " + iframe_mode);
        next_test();
    }

    iframe.src = "about:blank";
    document.body.appendChild(iframe);
});

sync_test("conditional_comments", function() {
    var div = document.createElement("div");
    document.body.appendChild(div);

    function test_version(v) {
        var version = compat_version ? compat_version : 7;

        div.innerHTML = "<!--[if lte IE " + v + "]>true<![endif]-->";
        ok(div.innerText === (version <= v ? "true" : ""),
           "div.innerText = " + div.innerText + " for version (<=) " + v);

        div.innerHTML = "<!--[if lt IE " + v + "]>true<![endif]-->";
        ok(div.innerText === (version < v ? "true" : ""),
           "div.innerText = " + div.innerText + " for version (<) " + v);

        div.innerHTML = "<!--[if gte IE " + v + "]>true<![endif]-->";
        ok(div.innerText === (version >= v && version < 10 ? "true" : ""),
           "div.innerText = " + div.innerText + " for version (>=) " + v);

        div.innerHTML = "<!--[if gt IE " + v + "]>true<![endif]-->";
        ok(div.innerText === (version > v && version < 10 ? "true" : ""),
           "div.innerText = " + div.innerText + " for version (>) " + v);
    }

    test_version(5);
    test_version(6);
    test_version(7);
    test_version(8);
});

var ready_states;

async_test("script_load", function() {
    var v = document.documentMode;
    if(v < 9) {
        next_test();
        return;
    }

    var elem = document.createElement("script");
    ready_states = "";

    elem.onreadystatechange = guard(function() {
        ok(v < 11, "unexpected onreadystatechange call");
        ready_states += elem.readyState + ",";
    });

    elem.onload = guard(function() {
        switch(v) {
        case 9:
            ok(ready_states === "loading,exec,loaded,", "ready_states = " + ready_states);
            break;
        case 10:
            ok(ready_states === "loading,exec,", "ready_states = " + ready_states);
            break;
        case 11:
            ok(ready_states === "exec,", "ready_states = " + ready_states);
            break;
        }
        next_test();
    });

    document.body.appendChild(elem);
    elem.src = "jsstream.php?simple";
    external.writeStream("simple", "ready_states += 'exec,';");
});

sync_test("navigator", function() {
    var v = document.documentMode, re;
    var app = navigator.appVersion;
    ok(navigator.userAgent === "Mozilla/" + app,
       "userAgent = " + navigator.userAgent + " appVersion = " + app);

    re = v < 11
        ? "^" + (v < 9 ? "4" : "5") + "\\.0 \\(compatible; MSIE " + (v < 7 ? 7 : v) +
          "\\.0; Windows NT [0-9].[0-9]; .*Trident/[678]\\.0.*\\)$"
        : "^5.0 \\(Windows NT [0-9].[0-9]; .*Trident/[678]\\.0.*rv:11.0\\) like Gecko$";
    ok(new RegExp(re).test(app), "appVersion = " + app);

    ok(navigator.appCodeName === "Mozilla", "appCodeName = " + navigator.appCodeName);
    ok(navigator.appName === (v < 11 ? "Microsoft Internet Explorer" : "Netscape"),
       "appName = " + navigator.appName);
    ok(navigator.toString() === (v < 9 ? "[object]" : "[object Navigator]"),
       "navigator.toString() = " + navigator.toString());
});

sync_test("delete_prop", function() {
    var v = document.documentMode;
    var obj = document.createElement("div"), r, obj2;

    obj.prop1 = true;
    r = false;
    try {
        delete obj.prop1;
    }catch(ex) {
        r = true;
    }
    if(v < 8) {
        ok(r, "did not get an expected exception");
        return;
    }
    ok(!r, "got an unexpected exception");
    ok(!("prop1" in obj), "prop1 is still in obj");

    /* again, this time prop1 does not exist */
    r = false;
    try {
        delete obj.prop1;
    }catch(ex) {
        r = true;
    }
    if(v < 9) {
        ok(r, "did not get an expected exception");
        return;
    }else {
        ok(!r, "got an unexpected exception");
        ok(!("prop1" in obj), "prop1 is still in obj");
    }

    r = (delete obj.className);
    ok(r, "delete returned " + r);
    ok("className" in obj, "className deleted from obj");
    ok(obj.className === "", "className = " + obj.className);

    /* builtin propertiles don't throw any exception, but are not really deleted */
    r = (delete obj.tagName);
    ok(r, "delete returned " + r);
    ok("tagName" in obj, "tagName deleted from obj");
    ok(obj.tagName === "DIV", "tagName = " + obj.tagName);

    obj = document.querySelectorAll("*");
    ok("0" in obj, "0 is not in obj");
    obj2 = obj[0];
    r = (delete obj[0]);
    ok("0" in obj, "0 is not in obj");
    ok(obj[0] === obj2, "obj[0] != obj2");

    /* test window object and its global scope handling */
    obj = window;

    obj.globalprop1 = true;
    ok(globalprop1, "globalprop1 = " + globalprop1);
    r = false;
    try {
        delete obj.globalprop1;
    }catch(ex) {
        r = true;
    }
    if(v < 9) {
        ok(r, "did not get an expected exception");
    }else {
        ok(!r, "got an unexpected globalprop1 exception");
        ok(!("globalprop1" in obj), "globalprop1 is still in obj");
    }

    globalprop2 = true;
    ok(obj.globalprop2, "globalprop2 = " + globalprop2);
    r = false;
    try {
        delete obj.globalprop2;
    }catch(ex) {
        r = true;
    }
    if(v < 9) {
        ok(r, "did not get an expected globalprop2 exception");
    }else {
        ok(!r, "got an unexpected exception");
        todo_wine.
        ok(!("globalprop2" in obj), "globalprop2 is still in obj");
    }

    obj.globalprop3 = true;
    ok(globalprop3, "globalprop3 = " + globalprop3);
    r = false;
    try {
        delete globalprop3;
    }catch(ex) {
        r = true;
    }
    if(v < 9) {
        ok(r, "did not get an expected exception");
        ok("globalprop3" in obj, "globalprop3 is not in obj");
    }else {
        ok(!r, "got an unexpected globalprop3 exception");
        ok(!("globalprop3" in obj), "globalprop3 is still in obj");
    }

    globalprop4 = true;
    ok(obj.globalprop4, "globalprop4 = " + globalprop4);
    r = (delete globalprop4);
    ok(r, "delete returned " + r);
    todo_wine.
    ok(!("globalprop4" in obj), "globalprop4 is still in obj");
});

var func_scope_val = 1;
var func_scope_val2 = 2;

sync_test("func_scope", function() {
    var func_scope_val = 2;

    var f = function func_scope_val() {
        return func_scope_val;
    };

    func_scope_val = 3;
    if(document.documentMode < 9) {
        ok(f() === 3, "f() = " + f());
        return;
    }
    ok(f === f(), "f() = " + f());

    f = function func_scope_val(a) {
        func_scope_val = 4;
        return func_scope_val;
    };

    func_scope_val = 3;
    ok(f === f(), "f() = " + f());
    ok(func_scope_val === 3, "func_scope_val = " + func_scope_val);
    ok(window.func_scope_val === 1, "window.func_scope_val = " + window.func_scope_val);

    f = function func_scope_val(a) {
        return (function() { return a ? func_scope_val(false) : func_scope_val; })();
    };

    ok(f === f(true), "f(true) = " + f(true));

    window = 1;
    ok(window === window.self, "window = " + window);

    ! function func_scope_val2() {};
    ok(window.func_scope_val2 === 2, "window.func_scope_val2 = " + window.func_scope_val2);

    var o = {};
    (function(x) {
        ok(x === o, "x = " + x);
        ! function x() {};
        ok(x === o, "x != o");
    })(o);

    (function(x) {
        ok(x === o, "x = " + x);
        1, function x() {};
        ok(x === o, "x != o");
    })(o);

    (function() {
        ! function x() {};
        try {
            x();
            ok(false, "expected exception");
        }catch(e) {}
    })(o);
});

sync_test("set_obj", function() {
    if(!("Set" in window)) return;

    var s = new Set, r;
    ok(Object.getPrototypeOf(s) === Set.prototype, "unexpected Set prototype");

    function test_length(name, len) {
        ok(Set.prototype[name].length === len, "Set.prototype." + name + " = " + Set.prototype[name].length);
    }
    test_length("add", 1);
    test_length("clear", 0);
    test_length("delete", 1);
    test_length("forEach", 1);
    test_length("has", 1);
    ok(!("entries" in s), "entries are in Set");
    ok(!("keys" in s), "keys are in Set");
    ok(!("values" in s), "values are in Set");

    r = Object.prototype.toString.call(s);
    ok(r === "[object Object]", "toString returned " + r);
});

sync_test("map_obj", function() {
    if(!("Map" in window)) return;

    var s = new Map, r, i;
    ok(Object.getPrototypeOf(s) === Map.prototype, "unexpected Map prototype");

    function test_length(name, len) {
        ok(Map.prototype[name].length === len, "Map.prototype." + name + " = " + Map.prototype[name].length);
    }
    test_length("clear", 0);
    test_length("delete", 1);
    test_length("forEach", 1);
    test_length("get", 1);
    test_length("has", 1);
    test_length("set", 2);
    ok(!("entries" in s), "entries are in Map");
    ok(!("keys" in s), "keys are in Map");
    ok(!("values" in s), "values are in Map");
    todo_wine.
    ok("size" in Map.prototype, "size is not in Map.prototype");

    r = Object.prototype.toString.call(s);
    ok(r === "[object Object]", "toString returned " + r);

    r = s.get("test");
    ok(r === undefined, "get(test) returned " + r);
    r = s.has("test");
    ok(r === false, "has(test) returned " + r);
    ok(s.size === 0, "size = " + s.size + " expected 0");

    r = s.set("test", 1);
    ok(r === undefined, "set returned " + r);
    ok(s.size === 1, "size = " + s.size + " expected 1");
    r = s.get("test");
    ok(r === 1, "get(test) returned " + r);
    r = s.has("test");
    ok(r === true, "has(test) returned " + r);

    s.size = 100;
    ok(s.size === 1, "size = " + s.size + " expected 1");

    s.set("test", 2);
    r = s.get("test");
    ok(r === 2, "get(test) returned " + r);
    r = s.has("test");
    ok(r === true, "has(test) returned " + r);

    r = s["delete"]("test"); /* using s.delete() would break parsing in quirks mode */
    ok(r === true, "delete(test) returned " + r);
    ok(s.size === 0, "size = " + s.size + " expected 0");
    r = s["delete"]("test");
    ok(r === false, "delete(test) returned " + r);

    var test_keys = [undefined, null, NaN, 3, "str", false, true, {}];
    for(i in test_keys) {
        r = s.set(test_keys[i], test_keys[i] + 1);
        ok(r === undefined, "set(test) returned " + r);
    }
    ok(s.size === test_keys.length, "size = " + s.size + " expected " + test_keys.length);
    for(i in test_keys) {
        r = s.get(test_keys[i]);
        if(isNaN(test_keys[i]))
            ok(isNaN(r), "get(" + test_keys[i] + ") returned " + r);
        else
            ok(r === test_keys[i] + 1, "get(" + test_keys[i] + ") returned " + r);
    }

    var calls = [];
    i = 0;
    r = s.forEach(function(value, key) {
        if(isNaN(test_keys[i])) {
            ok(isNaN(key), "key = " + key + " expected NaN");
            ok(isNaN(value), "value = " + value + " expected NaN");
        }else {
            ok(key === test_keys[i], "key = " + key + " expected " + test_keys[i]);
            ok(value === key + 1, "value = " + value);
        }
        i++;
    });
    ok(i === test_keys.length, "i = " + i);
    ok(r === undefined, "forEach returned " + r);

    s.set(3, "test2")
    calls = [];
    i = 0;
    s.forEach(function(value, key) {
        if(isNaN(test_keys[i]))
            ok(isNaN(key), "key = " + key + " expected " + test_keys[i]);
        else
            ok(key === test_keys[i], "key = " + key + " expected " + test_keys[i]);
        i++;
    });
    ok(i === test_keys.length, "i = " + i);

    r = s.clear();
    ok(r === undefined, "clear returned " + r);
    ok(s.size === 0, "size = " + s.size + " expected 0");
    r = s.get(test_keys[0]);
    ok(r === undefined, "get returned " + r);

    s = new Map();
    s.set(1, 10);
    s.set(2, 20);
    s.set(3, 30);
    i = true;
    s.forEach(function() {
        ok(i, "unexpected call");
        s.clear();
        i = false;
    });

    s = new Map();
    s.set(1, 10);
    s.set(2, 20);
    s.set(3, 30);
    i = 0;
    s.forEach(function(value, key) {
        i += key + value;
        r = s["delete"](key);
        ok(r === true, "delete returned " + r);
    });
    ok(i === 66, "i = " + i);

    try {
        Map.prototype.set.call({}, 1, 2);
        ok(false, "expected exception");
    }catch(e) {
        ok(e.number === 0xa13fc - 0x80000000, "e.number = " + e.number);
    }
});

sync_test("elem_attr", function() {
    var v = document.documentMode;
    var elem = document.createElement("div"), r;

    function test_exposed(prop, expect) {
        if(expect)
            ok(prop in elem, prop + " is not exposed from elem");
        else
            ok(!(prop in elem), prop + " is exposed from elem");
    }

    r = elem.getAttribute("class");
    ok(r === null, "class attr = " + r);
    r = elem.getAttribute("className");
    ok(r === (v < 8 ? "" : null), "className attr = " + r);

    elem.className = "cls";
    r = elem.getAttribute("class");
    ok(r === (v < 8 ? null : "cls"), "class attr = " + r);
    r = elem.getAttribute("className");
    ok(r === (v < 8 ? "cls" : null), "className attr = " + r);

    elem.setAttribute("class", "cls2");
    ok(elem.className === (v < 8 ? "cls" : "cls2"), "elem.className = " + elem.className);
    r = elem.getAttribute("class");
    ok(r === "cls2", "class attr = " + r);
    r = elem.getAttribute("className");
    ok(r === (v < 8 ? "cls" : null), "className attr = " + r);

    elem.setAttribute("className", "cls3");
    ok(elem.className === (v < 8 ? "cls3" : "cls2"), "elem.className = " + elem.className);
    r = elem.getAttribute("class");
    ok(r === "cls2", "class attr = " + r);
    r = elem.getAttribute("className");
    ok(r === "cls3", "className attr = " + r);

    elem.htmlFor = "for";
    r = elem.getAttribute("for");
    ok(r === null, "for attr = " + r);
    r = elem.getAttribute("htmlFor");
    ok(r === (v < 9 ? "for" : null), "htmlFor attr = " + r);

    elem.setAttribute("for", "for2");
    ok(elem.htmlFor === "for", "elem.htmlFor = " + elem.htmlFor);
    r = elem.getAttribute("for");
    ok(r === "for2", "for attr = " + r);
    r = elem.getAttribute("htmlFor");
    ok(r === (v < 9 ? "for" : null), "htmlFor attr = " + r);

    elem.setAttribute("htmlFor", "for3");
    ok(elem.htmlFor === (v < 9 ? "for3" : "for"), "elem.htmlFor = " + elem.htmlFor);
    r = elem.getAttribute("for");
    ok(r === "for2", "for attr = " + r);
    r = elem.getAttribute("htmlFor");
    ok(r === "for3", "htmlFor attr = " + r);

    elem.setAttribute("testattr", "test", 0, "extra arg", 0xdeadbeef);
    test_exposed("class", v < 8);
    test_exposed("className", true);
    test_exposed("for", v < 9);
    test_exposed("htmlFor", true);
    test_exposed("testattr", v < 9);

    var arr = [3];
    elem.setAttribute("testattr", arr);
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : "3"), "testattr = " + r);
    ok(elem.testattr === (v < 9 ? arr : undefined), "elem.testattr = " + elem.testattr);
    r = elem.removeAttribute("testattr");
    ok(r === (v < 9 ? true : undefined), "testattr removeAttribute returned " + r);
    ok(elem.testattr === undefined, "removed testattr = " + elem.testattr);

    arr[0] = 9;
    elem.setAttribute("testattr", "string");
    elem.testattr = arr;
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 9 ? "9" : "string")), "testattr = " + r);
    ok(elem.testattr === arr, "elem.testattr = " + elem.testattr);
    arr[0] = 3;
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 9 ? "3" : "string")), "testattr = " + r);
    ok(elem.testattr === arr, "elem.testattr = " + elem.testattr);
    r = elem.removeAttribute("testattr");
    ok(r === (v < 9 ? true : undefined), "testattr removeAttribute returned " + r);
    ok(elem.testattr === (v < 9 ? undefined : arr), "removed testattr = " + elem.testattr);

    arr.toString = function() { return 42; }
    elem.testattr = arr;
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 9 ? "42" : null)), "testattr with custom toString = " + r);
    elem.setAttribute("testattr", arr);
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : "42"), "testattr after setAttribute with custom toString = " + r);
    ok(elem.testattr === arr, "elem.testattr after setAttribute with custom toString = " + elem.testattr);
    r = elem.removeAttribute("testattr");
    ok(r === (v < 9 ? true : undefined), "testattr removeAttribute with custom toString returned " + r);
    ok(elem.testattr === (v < 9 ? undefined : arr), "removed testattr with custom toString = " + elem.testattr);

    arr.valueOf = function() { return "arrval"; }
    elem.testattr = arr;
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 9 ? "arrval" : null)), "testattr with custom valueOf = " + r);
    elem.setAttribute("testattr", arr);
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 10 ? "arrval" : "42")), "testattr after setAttribute with custom valueOf = " + r);
    ok(elem.testattr === arr, "elem.testattr after setAttribute with custom valueOf = " + elem.testattr);
    r = elem.removeAttribute("testattr");
    ok(r === (v < 9 ? true : undefined), "testattr removeAttribute with custom valueOf returned " + r);
    ok(elem.testattr === (v < 9 ? undefined : arr), "removed testattr with custom valueOf = " + elem.testattr);

    var func = elem.setAttribute;
    try {
        func("testattr", arr);
        todo_wine_if(v >= 9).
        ok(v < 9, "expected exception setting testattr via func");
    }catch(ex) {
        ok(v >= 9, "did not expect exception setting testattr via func");
        elem.setAttribute("testattr", arr);
    }
    r = elem.getAttribute("testattr");
    ok(r === (v < 8 ? arr : (v < 10 ? "arrval" : "42")), "testattr after setAttribute (as func) = " + r);
    delete arr.valueOf;
    delete arr.toString;

    elem.setAttribute("id", arr);
    r = elem.getAttribute("id");
    todo_wine_if(v >= 8 && v < 10).
    ok(r === (v < 8 || v >= 10 ? "3" : "[object]"), "id = " + r);
    r = elem.removeAttribute("id");
    ok(r === (v < 9 ? true : undefined), "id removeAttribute returned " + r);
    ok(elem.id === "", "removed id = " + elem.id);

    func = function() { };
    elem.onclick = func;
    ok(elem.onclick === func, "onclick = " + elem.onclick);
    r = elem.getAttribute("onclick");
    todo_wine_if(v === 8).
    ok(r === (v < 8 ? func : null), "onclick attr = " + r);
    r = elem.removeAttribute("onclick");
    ok(r === (v < 9 ? false : undefined), "removeAttribute returned " + r);
    todo_wine_if(v === 8).
    ok(elem.onclick === (v != 8 ? func : null), "removed onclick = " + elem.onclick);

    elem.onclick_test = func;
    ok(elem.onclick_test === func, "onclick_test = " + elem.onclick_test);
    r = elem.getAttribute("onclick_test");
    ok(r === (v < 8 ? func : (v < 9 ? func.toString() : null)), "onclick_test attr = " + r);

    elem.setAttribute("onclick", "test");
    r = elem.getAttribute("onclick");
    ok(r === "test", "onclick attr after setAttribute = " + r);
    r = elem.removeAttribute("onclick");
    ok(r === (v < 9 ? true : undefined), "removeAttribute after setAttribute returned " + r);

    /* IE11 returns an empty function, which we can't check directly */
    todo_wine_if(v >= 9).
    ok((v < 11) ? (elem.onclick === null) : (elem.onclick !== func), "removed onclick after setAttribute = " + elem.onclick);

    r = Object.prototype.toString.call(elem.onclick);
    todo_wine_if(v >= 9 && v < 11).
    ok(r === (v < 9 ? "[object Object]" : (v < 11 ? "[object Null]" : "[object Function]")),
        "removed onclick after setAttribute Object.toString returned " + r);

    elem.setAttribute("onclick", "string");
    r = elem.getAttribute("onclick");
    ok(r === "string", "onclick attr after setAttribute = " + r);
    elem.onclick = func;
    ok(elem.onclick === func, "onclick = " + elem.onclick);
    r = elem.getAttribute("onclick");
    todo_wine_if(v === 8).
    ok(r === (v < 8 ? func : (v < 9 ? null : "string")), "onclick attr = " + r);
    elem.onclick = "test";
    r = elem.getAttribute("onclick");
    ok(r === (v < 9 ? "test" : "string"), "onclick attr = " + r);
    r = elem.removeAttribute("onclick");
    ok(r === (v < 9 ? true : undefined), "removeAttribute returned " + r);
    todo_wine_if(v >= 9).
    ok(elem.onclick === null, "removed onclick = " + elem.onclick);

    elem.setAttribute("ondblclick", arr);
    r = elem.getAttribute("ondblclick");
    todo_wine_if(v >= 8 && v < 10).
    ok(r === (v < 8 ? arr : (v < 10 ? "[object]" : "3")), "ondblclick = " + r);
    r = elem.removeAttribute("ondblclick");
    ok(r === (v < 8 ? false : (v < 9 ? true : undefined)), "ondblclick removeAttribute returned " + r);
    r = Object.prototype.toString.call(elem.ondblclick);
    todo_wine_if(v >= 9).
    ok(r === (v < 8 ? "[object Array]" : (v < 9 ? "[object Object]" : (v < 11 ? "[object Null]" : "[object Function]"))),
        "removed ondblclick Object.toString returned " + r);

    elem.setAttribute("ondblclick", "string");
    r = elem.getAttribute("ondblclick");
    ok(r === "string", "ondblclick string = " + r);
    r = elem.removeAttribute("ondblclick");
    ok(r === (v < 9 ? true : undefined), "ondblclick string removeAttribute returned " + r);
    ok(elem.ondblclick === null, "removed ondblclick string = " + elem.ondblclick);

    if(v < 9) {
        /* style is a special case */
        try {
            elem.style = "opacity: 1.0";
            ok(false, "expected exception setting elem.style");
        }catch(ex) { }

        var style = elem.style;
        r = elem.getAttribute("style");
        ok(r === (v < 8 ? style : null), "style attr = " + r);
        r = elem.removeAttribute("style");
        ok(r === true, "removeAttribute('style') returned " + r);
        r = elem.style;
        ok(r === style, "removed elem.style = " + r);
        r = elem.getAttribute("style");
        ok(r === (v < 8 ? style : null), "style attr after removal = " + r);
        elem.setAttribute("style", "opacity: 1.0");
        r = elem.getAttribute("style");
        ok(r === (v < 8 ? style : "opacity: 1.0"), "style attr after setAttribute = " + r);
        r = elem.style;
        ok(r === style, "elem.style after setAttribute = " + r);
    }
});

sync_test("__proto__", function() {
    var v = document.documentMode;
    var r, x = 42;

    if(v < 11) {
        ok(x.__proto__ === undefined, "x.__proto__ = " + x.__proto__);
        ok(!("__proto__" in Object), "Object.__proto__ = " + Object.__proto__);
        return;
    }

    ok(x.__proto__ === Number.prototype, "x.__proto__ = " + x.__proto__);
    ok(Object.__proto__ === Function.prototype, "Object.__proto__ = " + Object.__proto__);
    ok(Object.prototype.__proto__ === null, "Object.prototype.__proto__ = " + Object.prototype.__proto__);
    ok(Object.prototype.hasOwnProperty("__proto__"), "__proto__ is not a property of Object.prototype");
    ok(!Object.prototype.hasOwnProperty.call(x, "__proto__"), "__proto__ is a property of x");

    x.__proto__ = Object.prototype;
    ok(x.__proto__ === Number.prototype, "x.__proto__ set to Object.prototype = " + x.__proto__);
    ok(!Object.prototype.hasOwnProperty.call(x, "__proto__"), "__proto__ is a property of x after set to Object.prototype");
    x = {};
    x.__proto__ = null;
    r = Object.getPrototypeOf(x);
    ok(x.__proto__ === undefined, "x.__proto__ after set to null = " + x.__proto__);
    ok(r === null, "getPrototypeOf(x) after set to null = " + r);

    function check(expect, msg) {
        var r = Object.getPrototypeOf(x);
        ok(x.__proto__ === expect, "x.__proto__ " + msg + " = " + x.__proto__);
        ok(r === expect, "getPrototypeOf(x) " + msg + " = " + r);
        ok(!Object.prototype.hasOwnProperty.call(x, "__proto__"), "__proto__ is a property of x " + msg);
    }

    x = {};
    check(Object.prototype, "after x set to {}");
    x.__proto__ = Number.prototype;
    check(Number.prototype, "after set to Number.prototype");
    x.__proto__ = Object.prototype;
    check(Object.prototype, "after re-set to Object.prototype");

    function ctor() { }
    var obj = new ctor();
    x.__proto__ = obj;
    check(obj, "after set to obj");
    x.__proto__ = ctor.prototype;
    check(obj.__proto__, "after set to ctor.prototype");
    ok(obj.__proto__ === ctor.prototype, "obj.__proto__ !== ctor.prototype");

    r = (delete x.__proto__);
    ok(r, "delete x.__proto__ returned " + r);
    ok(Object.prototype.hasOwnProperty("__proto__"), "__proto__ is not a property of Object.prototype after delete");
    r = Object.getPrototypeOf(x);
    ok(r === ctor.prototype, "x.__proto__ after delete = " + r);
});

async_test("postMessage", function() {
    var v = document.documentMode;
    var onmessage_called = false;
    window.onmessage = function() {
        onmessage_called = true;
        next_test();
    }
    window.postMessage("test", "*");
    ok(onmessage_called == (v < 9 ? true : false), "onmessage not called");
});