mirror of
https://github.com/classilla/tenfourfox.git
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161 lines
7.1 KiB
HTML
161 lines
7.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=787070
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 787070</title>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=787070">Mozilla Bug 787070</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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<iframe id="t" src="http://example.org/tests/dom/bindings/test/file_dom_xrays.html"></iframe>
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 1021066 **/
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var Cu = Components.utils;
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// values should contain the values that the property should have on each of
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// the objects on the prototype chain of obj. A value of undefined signals
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// that the value should not be present on that prototype.
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function checkXrayProperty(obj, name, values)
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{
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var instance = obj;
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do {
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var value = values.shift();
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if (typeof value == "undefined") {
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ok(!obj.hasOwnProperty(name), "hasOwnProperty shouldn't see \"" + name + "\" through Xrays");
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is(Object.getOwnPropertyDescriptor(obj, name), undefined, "getOwnPropertyDescriptor shouldn't see \"" + name + "\" through Xrays");
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ok(Object.keys(obj).indexOf(name) == -1, "Enumerating the Xray should not return \"" + name + "\"");
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} else {
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ok(obj.hasOwnProperty(name), "hasOwnProperty should see \"" + name + "\" through Xrays");
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var pd = Object.getOwnPropertyDescriptor(obj, name);
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ok(pd, "getOwnPropertyDescriptor should see \"" + name + "\" through Xrays");
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if (pd && pd.get) {
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is(pd.get.call(instance), value, "Should get the right value for \"" + name + "\" through Xrays");
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} else {
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is(obj[name], value, "Should get the right value for \"" + name + "\" through Xrays");
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}
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if (pd && pd.enumerable) {
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ok(Object.keys(obj).indexOf("" + name) > -1, "Enumerating the Xray should return \"" + name + "\"");
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}
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}
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} while ((obj = Object.getPrototypeOf(obj)));
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}
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function checkWindowXrayProperty(obj, name, windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue)
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{
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checkXrayProperty(obj, name, [ windowValue, windowPrototypeValue, namedPropertiesValue, eventTargetValue ]);
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}
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function test()
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{
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// Window
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var win = document.getElementById("t").contentWindow;
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var doc = document.getElementById("t").contentDocument;
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var winProto = Object.getPrototypeOf(win);
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is(winProto, win.Window.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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var namedPropertiesObject = Object.getPrototypeOf(winProto);
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is(Cu.getClassName(namedPropertiesObject, /* unwrap = */ true), "WindowProperties", "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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var eventTargetProto = Object.getPrototypeOf(namedPropertiesObject);
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is(eventTargetProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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// Xrays need to filter expandos.
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checkWindowXrayProperty(win, "expando", undefined);
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ok(!("expando" in win), "Xrays should filter expandos");
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checkWindowXrayProperty(win, "shadowedIframe", undefined, undefined, doc.getElementById("shadowedIframe").contentWindow);
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ok("shadowedIframe" in win, "Named properties should be exposed through Xrays");
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// Named properties live on the named properties object for global objects.
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checkWindowXrayProperty(win, "iframe", undefined, undefined, doc.getElementById("iframe").contentWindow);
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ok("iframe" in win, "Named properties should be exposed through Xrays");
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// Window properties live on the instance, shadowing the properties of the named property object.
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checkWindowXrayProperty(win, "document", doc, undefined, doc.getElementById("document").contentWindow);
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ok("document" in win, "WebIDL properties should be exposed through Xrays");
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// Unforgeable properties live on the instance, shadowing the properties of the named property object.
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checkWindowXrayProperty(win, "self", win, undefined, doc.getElementById("self").contentWindow);
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ok("self" in win, "WebIDL properties should be exposed through Xrays");
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// Object.prototype is at the end of the prototype chain.
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var obj = win;
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while ((proto = Object.getPrototypeOf(obj))) {
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obj = proto;
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}
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is(obj, win.Object.prototype, "Object.prototype should be at the end of the prototype chain");
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// Named properties shouldn't shadow WebIDL- or ECMAScript-defined properties.
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checkWindowXrayProperty(win, "addEventListener", undefined, undefined, undefined, eventTargetProto.addEventListener);
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is(win.addEventListener, eventTargetProto.addEventListener, "Named properties shouldn't shadow WebIDL-defined properties");
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is(win.toString, win.Object.prototype.toString, "Named properties shouldn't shadow ECMAScript-defined properties");
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// HTMLDocument
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// Unforgeable properties live on the instance.
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checkXrayProperty(doc, "location", [ win.location ]);
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is(String(win.location), document.getElementById("t").src,
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"Should have the right stringification");
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// HTMLHtmlElement
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var elem = doc.documentElement;
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var elemProto = Object.getPrototypeOf(elem);
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is(elemProto, win.HTMLHtmlElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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elemProto = Object.getPrototypeOf(elemProto);
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is(elemProto, win.HTMLElement.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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elemProto = Object.getPrototypeOf(elemProto);
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is(elemProto, win.Element.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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elemProto = Object.getPrototypeOf(elemProto);
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is(elemProto, win.Node.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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elemProto = Object.getPrototypeOf(elemProto);
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is(elemProto, win.EventTarget.prototype, "The proto chain of the Xray should mirror the prototype chain of the Xrayed object");
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// Xrays need to filter expandos.
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ok(!("expando" in elem), "Xrays should filter expandos");
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// WebIDL-defined properties live on the prototype.
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checkXrayProperty(elem, "version", [ undefined, "" ]);
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is(elem.version, "", "WebIDL properties should be exposed through Xrays");
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// HTMLCollection
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var coll = doc.getElementsByTagName("iframe");
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// Named properties live on the instance for non-global objects.
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checkXrayProperty(coll, "iframe", [ doc.getElementById("iframe") ]);
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// Indexed properties live on the instance.
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checkXrayProperty(coll, 0, [ doc.getElementById("shadowedIframe") ]);
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// WebIDL-defined properties live on the prototype, overriding any named properties.
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checkXrayProperty(coll, "item", [ undefined, win.HTMLCollection.prototype.item ]);
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// ECMAScript-defined properties live on the prototype, overriding any named properties.
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checkXrayProperty(coll, "toString", [ undefined, undefined, win.Object.prototype.toString ]);
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SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(test);
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</script>
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</pre>
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</body>
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</html>
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