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-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=787070
--->
-<head>
- <meta charset="utf-8">
- <title>Test for Bug 787070</title>
- <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
- <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
-</head>
-<body>
-<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=787070">Mozilla Bug 787070</a>
-<p id="display"></p>
-<div id="content" style="display: none">
-<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_dom_xrays.html"></iframe>
-</div>
-<pre id="test">
-<script type="application/javascript">
-
-/** Test for Bug 1021066 **/
-
-var Cu = Components.utils;
-
-// values should contain the values that the property should have on each of
-// the objects on the prototype chain of obj. A value of undefined signals
-// that the value should not be present on that prototype.
-function checkXrayProperty(obj, name, values)
-{
- var instance = obj;
- do {
- var value = values.shift();
- if (typeof value == "undefined") {
- ok(!obj.hasOwnProperty(name), "hasOwnProperty shouldn't see \"" + name + "\" through Xrays");
- is(Object.getOwnPropertyDescriptor(obj, name), undefined, "getOwnPropertyDescriptor shouldn't see \"" + name + "\" through Xrays");
- ok(Object.keys(obj).indexOf(name) == -1, "Enumerating the Xray should not return \"" + name + "\"");
- } else {
- ok(obj.hasOwnProperty(name), "hasOwnProperty should see \"" + name + "\" through Xrays");
- var pd = Object.getOwnPropertyDescriptor(obj, name);
- ok(pd, "getOwnPropertyDescriptor should see \"" + name + "\" through Xrays");
- if (pd && pd.get) {
- is(pd.get.call(instance), value, "Should get the right value for \"" + name + "\" through Xrays");
- } else {
- is(obj[name], value, "Should get the right value for \"" + name + "\" through Xrays");
- }
- if (pd && pd.enumerable) {
- ok(Object.keys(obj).indexOf("" + name) > -1, "Enumerating the Xray should return \"" + name + "\"");
- }
- }
- } while ((obj = Object.getPrototypeOf(obj)));
-}
-
-function checkWindowXrayProperty(obj, name, windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue)
-{
- checkXrayProperty(obj, name, [ windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue ]);
-}
-
-function test()
-{
- // Window
- var win = document.getElementById("t").contentWindow;
- var doc = document.getElementById("t").contentDocument;
-
- var winProto = Object.getPrototypeOf(win);
- is(winProto, win.Window.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- var namedPropertiesObject = Object.getPrototypeOf(winProto);
- is(Cu.getClassName(namedPropertiesObject, /* unwrap = */ true), "WindowProperties", "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- var eventTargetProto = Object.getPrototypeOf(namedPropertiesObject);
- is(eventTargetProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- // Xrays need to filter expandos.
- checkWindowXrayProperty(win, "expando", undefined);
- ok(!("expando" in win), "Xrays should filter expandos");
-
- checkWindowXrayProperty(win, "shadowedIframe", undefined, undefined, doc.getElementById("shadowedIframe").contentWindow);
- ok("shadowedIframe" in win, "Named properties should be exposed through Xrays");
-
- // Named properties live on the named properties object for global objects.
- checkWindowXrayProperty(win, "iframe", undefined, undefined, doc.getElementById("iframe").contentWindow);
- ok("iframe" in win, "Named properties should be exposed through Xrays");
-
- // Window properties live on the instance, shadowing the properties of the named property object.
- checkWindowXrayProperty(win, "document", doc, undefined, doc.getElementById("document").contentWindow);
- ok("document" in win, "WebIDL properties should be exposed through Xrays");
-
- // Unforgeable properties live on the instance, shadowing the properties of the named property object.
- checkWindowXrayProperty(win, "self", win, undefined, doc.getElementById("self").contentWindow);
- ok("self" in win, "WebIDL properties should be exposed through Xrays");
-
- // Object.prototype is at the end of the prototype chain.
- var obj = win;
- while ((proto = Object.getPrototypeOf(obj))) {
- obj = proto;
- }
- is(obj, win.Object.prototype, "Object.prototype should be at the end of the prototype chain");
-
- // Named properties shouldn't shadow WebIDL- or ECMAScript-defined properties.
- checkWindowXrayProperty(win, "addEventListener", undefined, undefined, undefined, eventTargetProto.addEventListener);
- is(win.addEventListener, eventTargetProto.addEventListener, "Named properties shouldn't shadow WebIDL-defined properties");
-
- is(win.toString, win.Object.prototype.toString, "Named properties shouldn't shadow ECMAScript-defined properties");
-
- // HTMLDocument
- // Unforgeable properties live on the instance.
- checkXrayProperty(doc, "location", [ win.location ]);
- is(String(win.location), document.getElementById("t").src,
- "Should have the right stringification");
-
- // HTMLHtmlElement
- var elem = doc.documentElement;
-
- var elemProto = Object.getPrototypeOf(elem);
- is(elemProto, win.HTMLHtmlElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- elemProto = Object.getPrototypeOf(elemProto);
- is(elemProto, win.HTMLElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- elemProto = Object.getPrototypeOf(elemProto);
- is(elemProto, win.Element.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- elemProto = Object.getPrototypeOf(elemProto);
- is(elemProto, win.Node.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- elemProto = Object.getPrototypeOf(elemProto);
- is(elemProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
-
- // Xrays need to filter expandos.
- ok(!("expando" in elem), "Xrays should filter expandos");
-
- // WebIDL-defined properties live on the prototype.
- checkXrayProperty(elem, "version", [ undefined, "" ]);
- is(elem.version, "", "WebIDL properties should be exposed through Xrays");
-
- // HTMLCollection
- var coll = doc.getElementsByTagName("iframe");
-
- // Named properties live on the instance for non-global objects.
- checkXrayProperty(coll, "iframe", [ doc.getElementById("iframe") ]);
-
- // Indexed properties live on the instance.
- checkXrayProperty(coll, 0, [ doc.getElementById("shadowedIframe") ]);
-
- // WebIDL-defined properties live on the prototype, overriding any named properties.
- checkXrayProperty(coll, "item", [ undefined, win.HTMLCollection.prototype.item ]);
-
- // ECMAScript-defined properties live on the prototype, overriding any named properties.
- checkXrayProperty(coll, "toString", [ undefined, undefined, win.Object.prototype.toString ]);
-
- // Frozen arrays should come from our compartment, not the target one.
- var languages1 = win.navigator.languages;
- isnot(languages1, undefined, "Must have .languages");
- ok(Array.isArray(languages1), ".languages should be an array");
- ok(Object.isFrozen(languages1), ".languages should be a frozen array");
- ok(!Cu.isXrayWrapper(languages1), "Should have our own version of array");
- is(Cu.getGlobalForObject(languages1), window,
- "languages1 should come from our window");
- // We want to get .languages in the content compartment, but without waiving
- // Xrays altogether.
- var languages2 = win.eval("navigator.languages");
- isnot(languages2, undefined, "Must still have .languages");
- ok(Array.isArray(languages2), ".languages should still be an array");
- ok(Cu.isXrayWrapper(languages2), "Should have xray for content version of array");
- is(Cu.getGlobalForObject(languages2), win,
- "languages2 come from the underlying window");
- ok(Object.isFrozen(languages2.wrappedJSObject),
- ".languages should still be a frozen array underneath");
- isnot(languages1, languages2, "Must have distinct arrays");
- isnot(languages1, languages2.wrappedJSObject,
- "Must have distinct arrays no matter how we slice it");
-
- // Check that DataTransfer's .types has the hack to alias contains()
- // to includes().
- var dataTransfer = new win.DataTransfer();
- is(dataTransfer.types.contains, dataTransfer.types.includes,
- "Should have contains() set up as an alias to includes()");
- // Waive Xrays on the dataTransfer itself, since the .types we get is
- // different over Xrays vs not.
- is(dataTransfer.wrappedJSObject.types.contains, undefined,
- "Underlying object should not have contains() set up as an alias to " +
- "includes()");
-
- // Check that deleters work correctly in the [OverrideBuiltins] case.
- var elem = win.document.documentElement;
- var dataset = elem.dataset;
- is(dataset.foo, undefined, "Should not have a 'foo' property");
- ok(!('foo' in dataset), "Really should not have a 'foo' property");
- is(elem.getAttribute("data-foo"), null,
- "Should not have a 'data-foo' attribute");
- ok(!elem.hasAttribute("data-foo"),
- "Really should not have a 'data-foo' attribute");
- dataset.foo = "bar";
- is(dataset.foo, "bar", "Should now have a 'foo' property");
- ok('foo' in dataset, "Really should have a 'foo' property");
- is(elem.getAttribute("data-foo"), "bar",
- "Should have a 'data-foo' attribute");
- ok(elem.hasAttribute("data-foo"),
- "Really should have a 'data-foo' attribute");
- delete dataset.foo;
- is(dataset.foo, undefined, "Should not have a 'foo' property again");
- ok(!('foo' in dataset), "Really should not have a 'foo' property again");
- is(elem.getAttribute("data-foo"), null,
- "Should not have a 'data-foo' attribute again");
- ok(!elem.hasAttribute("data-foo"),
- "Really should not have a 'data-foo' attribute again");
-
- // Check that deleters work correctly in the non-[OverrideBuiltins] case.
- var storage = win.sessionStorage;
- is(storage.foo, undefined, "Should not have a 'foo' property");
- ok(!('foo' in storage), "Really should not have a 'foo' property");
- is(storage.getItem("foo"), null, "Should not have an item named 'foo'");
- storage.foo = "bar";
- is(storage.foo, "bar", "Should have a 'foo' property");
- ok('foo' in storage, "Really should have a 'foo' property");
- is(storage.getItem("foo"), "bar", "Should have an item named 'foo'");
- delete storage.foo
- is(storage.foo, undefined, "Should not have a 'foo' property again");
- ok(!('foo' in storage), "Really should not have a 'foo' property again");
- is(storage.getItem("foo"), null, "Should not have an item named 'foo' again");
-
- SimpleTest.finish();
-}
-
-SimpleTest.waitForExplicitFinish();
-addLoadEvent(test);
-
-</script>
-</pre>
-</body>
-</html>