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+<!doctype html>
+<meta charset=utf-8>
+<title>Properties of the window object</title>
+<link rel="author" title="Ms2ger" href="mailto:Ms2ger@gmail.com">
+<link rel="help" href="http://ecma-international.org/ecma-262/5.1/#sec-15.1">
+<link rel="help" href="https://heycam.github.io/webidl/#interface-prototype-object">
+<link rel="help" href="https://heycam.github.io/webidl/#es-attributes">
+<link rel="help" href="https://heycam.github.io/webidl/#es-operations">
+<link rel="help" href="https://dom.spec.whatwg.org/#eventtarget">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#window">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#windowtimers">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#windowbase64">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#windowsessionstorage">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#windowlocalstorage">
+<link rel="help" href="https://dvcs.w3.org/hg/editing/raw-file/tip/editing.html#dom-window-getselection">
+<link rel="help" href="http://dev.w3.org/csswg/cssom/#widl-def-Window">
+<link rel="help" href="http://dev.w3.org/csswg/cssom-view/#widl-def-Window">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+function assert_data_propdesc(pd, Writable, Enumerable, Configurable) {
+ assert_equals(typeof pd, "object");
+ assert_equals(pd.writable, Writable);
+ assert_equals(pd.enumerable, Enumerable);
+ assert_equals(pd.configurable, Configurable);
+}
+function assert_accessor_propdesc(pd, hasSetter, Enumerable, Configurable) {
+ assert_equals(typeof pd, "object");
+ assert_equals(typeof pd.get, "function");
+ assert_true("set" in pd,
+ "Should always have a setter property on the property descriptor");
+ assert_equals(typeof pd.set, hasSetter ? "function" : "undefined");
+ assert_equals(pd.enumerable, Enumerable);
+ assert_equals(pd.configurable, Configurable);
+}
+
+var unforgeableAttributes = [
+ "window",
+ "document",
+ "location",
+ "top"
+];
+
+var replaceableAttributes = [
+ "self",
+ "locationbar",
+ "menubar",
+ "personalbar",
+ "scrollbars",
+ "statusbar",
+ "toolbar",
+ "frames",
+ "parent",
+ "external",
+ "length",
+
+ // CSSOM-View
+ "screen",
+ "scrollX",
+ "scrollY",
+ "pageXOffset",
+ "pageYOffset",
+ "innerWidth",
+ "innerHeight",
+ "screenX",
+ "screenY",
+ "outerWidth",
+ "outerHeight",
+ "devicePixelRatio",
+];
+
+var methods = [
+ "close",
+ "stop",
+ "focus",
+ "blur",
+ "open",
+ "alert",
+ "confirm",
+ "prompt",
+ "print",
+ // See below: "showModalDialog",
+ "postMessage",
+
+ // WindowBase64
+ "btoa",
+ "atob",
+
+ // WindowTimers
+ "setTimeout",
+ "clearTimeout",
+ "setInterval",
+ "clearInterval",
+
+ // HTML Editing APIs
+ "getSelection",
+
+ // CSSOM
+ "getComputedStyle",
+
+ // CSSOM-View
+ "matchMedia",
+ "scroll",
+ "scrollTo",
+ "scrollBy"
+];
+
+// We would like to remove showModalDialog from the platform,
+// see <https://www.w3.org/Bugs/Public/show_bug.cgi?id=26437>.
+if ("showModalDialog" in window) {
+ methods.push("showModalDialog");
+}
+
+var readonlyAttributes = [
+ "history",
+ "frameElement",
+ "navigator",
+ "applicationCache",
+
+ // WindowSessionStorage
+ "sessionStorage",
+
+ // WindowLocalStorage
+ "localStorage",
+];
+
+var writableAttributes = [
+ "name",
+ "status",
+ "opener",
+ "onabort",
+ "onafterprint",
+ "onbeforeprint",
+ "onbeforeunload",
+ "onblur",
+ "oncancel",
+ "oncanplay",
+ "oncanplaythrough",
+ "onchange",
+ "onclick",
+ "onclose",
+ "oncontextmenu",
+ "oncuechange",
+ "ondblclick",
+ "ondrag",
+ "ondragend",
+ "ondragenter",
+ "ondragleave",
+ "ondragover",
+ "ondragstart",
+ "ondrop",
+ "ondurationchange",
+ "onemptied",
+ "onended",
+ "onerror",
+ "onfocus",
+ "onhashchange",
+ "oninput",
+ "oninvalid",
+ "onkeydown",
+ "onkeypress",
+ "onkeyup",
+ "onload",
+ "onloadeddata",
+ "onloadedmetadata",
+ "onloadstart",
+ "onmessage",
+ "onmousedown",
+ "onmousemove",
+ "onmouseout",
+ "onmouseover",
+ "onmouseup",
+ "onmousewheel",
+ "onoffline",
+ "ononline",
+ "onpause",
+ "onplay",
+ "onplaying",
+ "onpagehide",
+ "onpageshow",
+ "onpopstate",
+ "onprogress",
+ "onratechange",
+ "onreset",
+ "onresize",
+ "onscroll",
+ "onseeked",
+ "onseeking",
+ "onselect",
+ "onshow",
+ "onstalled",
+ "onstorage",
+ "onsubmit",
+ "onsuspend",
+ "ontimeupdate",
+ "onunload",
+ "onvolumechange",
+ "onwaiting"
+];
+
+test(function() {
+ // 15.1.1 Value Properties of the Global Object
+ ["NaN", "Infinity", "undefined"].forEach(function(id) {
+ test(function() {
+ assert_true(id in window, id + " in window");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ false, false, false);
+ }, "Value Property: " + id);
+ });
+}, "Value Properties of the Global Object");
+test(function() {
+ // 15.1.2 Function Properties of the Global Object
+ ["eval", "parseInt", "parseFloat", "isNaN", "isFinite"].forEach(function(id) {
+ test(function() {
+ assert_true(id in window, id + " in window");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, false, true);
+ }, "Function Property: " + id);
+ });
+}, "Function Properties of the Global Object");
+test(function() {
+ // 15.1.3 URI Handling Function Properties
+ ["decodeURI", "decodeURIComponent", "encodeURI", "encodeURIComponent"].forEach(function(id) {
+ test(function() {
+ assert_true(id in window, id + " in window");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, false, true);
+ }, "URI Handling Function Property: " + id);
+ });
+}, "URI Handling Function Properties");
+test(function() {
+ // 15.1.4 Constructor Properties of the Global Object
+ ["Object", "Function", "Array", "String", "Boolean", "Number", "Date",
+ "RegExp", "Error", "EvalError", "RangeError", "ReferenceError",
+ "SyntaxError", "TypeError", "URIError"].forEach(function(id) {
+ test(function() {
+ assert_true(id in window, id + " in window");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, false, true);
+ }, "Constructor Property: " + id);
+ });
+}, "Constructor Properties of the Global Object");
+test(function() {
+ // 15.1.5 Other Properties of the Global Object
+ ["Math", "JSON"].forEach(function(id) {
+ test(function() {
+ assert_true(id in window, id + " in window");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, false, true);
+ }, "Other Property: " + id);
+ });
+}, "Other Properties of the Global Object");
+test(function() {
+ // EventTarget interface
+ ["addEventListener", "removeEventListener", "dispatchEvent"].forEach(function(id) {
+ test(function() {
+ var EventTargetProto = EventTarget.prototype;
+ assert_true(id in window, id + " in window");
+ assert_equals(window[id], EventTargetProto[id]);
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(EventTargetProto, id),
+ true, true, true);
+ assert_equals(Object.getOwnPropertyDescriptor(window, id), undefined);
+ }, "EventTarget method: " + id);
+ });
+}, "EventTarget interface");
+test(function() {
+ // Window interface
+ methods.forEach(function(id) {
+ test(function() {
+ var WindowProto = Window.prototype;
+ assert_true(id in window, id + " in window");
+ assert_false(id in WindowProto, id + " in Window.prototype");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, true, true);
+ }, "Window method: " + id);
+ });
+ readonlyAttributes.forEach(function(id) {
+ test(function() {
+ var WindowProto = Window.prototype;
+ assert_true(id in window, id + " in window");
+ assert_false(id in WindowProto, id + " in Window.prototype");
+ assert_accessor_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ false, true, true);
+ }, "Window readonly attribute: " + id);
+ });
+ writableAttributes.forEach(function(id) {
+ test(function() {
+ var WindowProto = Window.prototype;
+ assert_true(id in window, id + " in window");
+ assert_false(id in WindowProto, id + " in Window.prototype");
+ assert_accessor_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, true, true);
+ }, "Window attribute: " + id);
+ });
+ unforgeableAttributes.forEach(function(id) {
+ test(function() {
+ var WindowProto = Window.prototype;
+ assert_true(id in window, id + " in window");
+ assert_false(id in WindowProto, id + " in Window.prototype");
+ // location has a [PutForwards] extended attribute.
+ assert_accessor_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ id === "location", true, false);
+ }, "Window unforgeable attribute: " + id);
+ });
+ replaceableAttributes.forEach(function(id) {
+ test(function() {
+ var WindowProto = Window.prototype;
+ assert_true(id in window, id + " in window");
+ assert_false(id in WindowProto, id + " in Window.prototype");
+ assert_accessor_propdesc(Object.getOwnPropertyDescriptor(window, id),
+ true, true, true);
+ }, "Window replaceable attribute: " + id);
+ });
+}, "Window interface");
+test(function() {
+ assert_equals(window.constructor, Window);
+ assert_false(window.hasOwnProperty("constructor"), "window.constructor should not be an own property.");
+ assert_data_propdesc(Object.getOwnPropertyDescriptor(Window.prototype, "constructor"),
+ true, false, true);
+}, "constructor");
+</script>
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