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Diffstat (limited to 'addon-sdk/source/test/test-content-script.js')
| -rw-r--r-- | addon-sdk/source/test/test-content-script.js | 845 |
1 files changed, 845 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-content-script.js b/addon-sdk/source/test/test-content-script.js new file mode 100644 index 000000000..d3c7e1bbc --- /dev/null +++ b/addon-sdk/source/test/test-content-script.js @@ -0,0 +1,845 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const hiddenFrames = require("sdk/frame/hidden-frame"); +const { create: makeFrame } = require("sdk/frame/utils"); +const { window } = require("sdk/addon/window"); +const { Loader } = require('sdk/test/loader'); +const { URL } = require("sdk/url"); +const testURI = require("./fixtures").url("test.html"); +const testHost = URL(testURI).scheme + '://' + URL(testURI).host; + +/* + * Utility function that allow to easily run a proxy test with a clean + * new HTML document. See first unit test for usage. + */ +function createProxyTest(html, callback) { + return function (assert, done) { + let url = 'data:text/html;charset=utf-8,' + encodeURIComponent(html); + let principalLoaded = false; + + let element = makeFrame(window.document, { + nodeName: "iframe", + type: "content", + allowJavascript: true, + allowPlugins: true, + allowAuth: true, + uri: testURI + }); + + element.addEventListener("DOMContentLoaded", onDOMReady, false); + + function onDOMReady() { + // Reload frame after getting principal from `testURI` + if (!principalLoaded) { + element.setAttribute("src", url); + principalLoaded = true; + return; + } + + assert.equal(element.getAttribute("src"), url, "correct URL loaded"); + element.removeEventListener("DOMContentLoaded", onDOMReady, + false); + let xrayWindow = element.contentWindow; + let rawWindow = xrayWindow.wrappedJSObject; + + let isDone = false; + let helper = { + xrayWindow: xrayWindow, + rawWindow: rawWindow, + createWorker: function (contentScript) { + return createWorker(assert, xrayWindow, contentScript, helper.done); + }, + done: function () { + if (isDone) + return; + isDone = true; + element.parentNode.removeChild(element); + done(); + } + }; + callback(helper, assert); + } + }; +} + +function createWorker(assert, xrayWindow, contentScript, done) { + let loader = Loader(module); + let Worker = loader.require("sdk/content/worker").Worker; + let worker = Worker({ + window: xrayWindow, + contentScript: [ + 'new ' + function () { + assert = function assert(v, msg) { + self.port.emit("assert", {assertion:v, msg:msg}); + } + done = function done() { + self.port.emit("done"); + } + }, + contentScript + ] + }); + + worker.port.on("done", done); + worker.port.on("assert", function (data) { + assert.ok(data.assertion, data.msg); + }); + + return worker; +} + +/* Examples for the `createProxyTest` uses */ + +var html = "<script>var documentGlobal = true</script>"; + +exports["test Create Proxy Test"] = createProxyTest(html, function (helper, assert) { + // You can get access to regular `test` object in second argument of + // `createProxyTest` method: + assert.ok(helper.rawWindow.documentGlobal, + "You have access to a raw window reference via `helper.rawWindow`"); + assert.ok(!("documentGlobal" in helper.xrayWindow), + "You have access to an XrayWrapper reference via `helper.xrayWindow`"); + + // If you do not create a Worker, you have to call helper.done(), + // in order to say when your test is finished + helper.done(); +}); + +exports["test Create Proxy Test With Worker"] = createProxyTest("", function (helper) { + + helper.createWorker( + "new " + function WorkerScope() { + assert(true, "You can do assertions in your content script"); + // And if you create a worker, you either have to call `done` + // from content script or helper.done() + done(); + } + ); + +}); + +exports["test Create Proxy Test With Events"] = createProxyTest("", function (helper, assert) { + + let worker = helper.createWorker( + "new " + function WorkerScope() { + self.port.emit("foo"); + } + ); + + worker.port.on("foo", function () { + assert.pass("You can use events"); + // And terminate your test with helper.done: + helper.done(); + }); + +}); + +/* Disabled due to bug 1038432 +// Bug 714778: There was some issue around `toString` functions +// that ended up being shared between content scripts +exports["test Shared To String Proxies"] = createProxyTest("", function(helper) { + + let worker = helper.createWorker( + 'new ' + function ContentScriptScope() { + // We ensure that `toString` can't be modified so that nothing could + // leak to/from the document and between content scripts + // It only applies to JS proxies, there isn't any such issue with xrays. + //document.location.toString = function foo() {}; + document.location.toString.foo = "bar"; + assert("foo" in document.location.toString, "document.location.toString can be modified"); + assert(document.location.toString() == "data:text/html;charset=utf-8,", + "First document.location.toString()"); + self.postMessage("next"); + } + ); + worker.on("message", function () { + helper.createWorker( + 'new ' + function ContentScriptScope2() { + assert(!("foo" in document.location.toString), + "document.location.toString is different for each content script"); + assert(document.location.toString() == "data:text/html;charset=utf-8,", + "Second document.location.toString()"); + done(); + } + ); + }); +}); +*/ + +// Ensure that postMessage is working correctly across documents with an iframe +var html = '<iframe id="iframe" name="test" src="data:text/html;charset=utf-8," />'; +exports["test postMessage"] = createProxyTest(html, function (helper, assert) { + let ifWindow = helper.xrayWindow.document.getElementById("iframe").contentWindow; + // Listen without proxies, to check that it will work in regular case + // simulate listening from a web document. + ifWindow.addEventListener("message", function listener(event) { + ifWindow.removeEventListener("message", listener, false); + // As we are in system principal, event is an XrayWrapper + // xrays use current compartments when calling postMessage method. + // Whereas js proxies was using postMessage method compartment, + // not the caller one. + assert.strictEqual(event.source, helper.xrayWindow, + "event.source is the top window"); + assert.equal(event.origin, testHost, "origin matches testHost"); + + assert.equal(event.data, "{\"foo\":\"bar\\n \\\"escaped\\\".\"}", + "message data is correct"); + + helper.done(); + }, false); + + helper.createWorker( + 'new ' + function ContentScriptScope() { + var json = JSON.stringify({foo : "bar\n \"escaped\"."}); + + document.getElementById("iframe").contentWindow.postMessage(json, "*"); + } + ); +}); + +var html = '<input id="input2" type="checkbox" />'; +exports["test Object Listener"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Test objects being given as event listener + let input = document.getElementById("input2"); + let myClickListener = { + called: false, + handleEvent: function(event) { + assert(this === myClickListener, "`this` is the original object"); + assert(!this.called, "called only once"); + this.called = true; + assert(event.target, input, "event.target is the wrapped window"); + done(); + } + }; + + window.addEventListener("click", myClickListener, true); + input.click(); + window.removeEventListener("click", myClickListener, true); + } + ); + +}); + +exports["test Object Listener 2"] = createProxyTest("", function (helper) { + + helper.createWorker( + ('new ' + function ContentScriptScope() { + // variable replaced with `testHost` + let testHost = "TOKEN"; + // Verify object as DOM event listener + let myMessageListener = { + called: false, + handleEvent: function(event) { + window.removeEventListener("message", myMessageListener, true); + + assert(this == myMessageListener, "`this` is the original object"); + assert(!this.called, "called only once"); + this.called = true; + assert(event.target == document.defaultView, "event.target is the wrapped window"); + assert(event.source == document.defaultView, "event.source is the wrapped window"); + assert(event.origin == testHost, "origin matches testHost"); + assert(event.data == "ok", "message data is correct"); + done(); + } + }; + + window.addEventListener("message", myMessageListener, true); + document.defaultView.postMessage("ok", '*'); + } + ).replace("TOKEN", testHost)); + +}); + +var html = '<input id="input" type="text" /><input id="input3" type="checkbox" />' + + '<input id="input2" type="checkbox" />'; + +exports.testStringOverload = createProxyTest(html, function (helper, assert) { + helper.createWorker( + 'new ' + function ContentScriptScope() { + // RightJS is hacking around String.prototype, and do similar thing: + // Pass `this` from a String prototype method. + // It is funny because typeof this == "object"! + // So that when we pass `this` to a native method, + // our proxy code can fail on another even more crazy thing. + // See following test to see what fails around proxies. + String.prototype.update = function () { + assert(typeof this == "object", "in update, `this` is an object"); + assert(this.toString() == "input", "in update, `this.toString works"); + return document.querySelectorAll(this); + }; + assert("input".update().length == 3, "String.prototype overload works"); + done(); + } + ); +}); + +exports["test Element.matches()"] = createProxyTest("", function (helper) { + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Check matches XrayWrappers bug (Bug 658909): + // Test that Element.matches() does not return bad results when we are + // not calling it from the node itself. + assert(document.createElement( "div" ).matches("div"), + "matches works while being called from the node"); + assert(document.documentElement.matches.call( + document.createElement( "div" ), + "div" + ), + "matches works while being called from a " + + "function reference to " + + "document.documentElement.matches.call"); + done(); + } + ); +}); + +exports["test Events Overload"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // If we add a "____proxy" attribute on XrayWrappers in order to store + // the related proxy to create an unique proxy for each wrapper; + // we end up setting this attribute to prototype objects :x + // And so, instances created with such prototype will be considered + // as equal to the prototype ... + // // Internal method that return the proxy for a given XrayWrapper + // function proxify(obj) { + // if (obj._proxy) return obj._proxy; + // return obj._proxy = Proxy.create(...); + // } + // + // // Get a proxy of an XrayWrapper prototype object + // let proto = proxify(xpcProto); + // + // // Use this proxy as a prototype + // function Constr() {} + // Constr.proto = proto; + // + // // Try to create an instance using this prototype + // let xpcInstance = new Constr(); + // let wrapper = proxify(xpcInstance) + // + // xpcProto._proxy = proto and as xpcInstance.__proto__ = xpcProto, + // xpcInstance._proxy = proto ... and profixy(xpcInstance) = proto :( + // + let proto = window.document.createEvent('HTMLEvents').__proto__; + window.Event.prototype = proto; + let event = document.createEvent('HTMLEvents'); + assert(event !== proto, "Event should not be equal to its prototype"); + event.initEvent('dataavailable', true, true); + assert(event.type === 'dataavailable', "Events are working fine"); + done(); + } + ); + +}); + +exports["test Nested Attributes"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // XrayWrappers has a bug when you set an attribute on it, + // in some cases, it creates an unnecessary wrapper that introduces + // a different object that refers to the same original object + // Check that our wrappers don't reproduce this bug + // SEE BUG 658560: Fix identity problem with CrossOriginWrappers + let o = {sandboxObject:true}; + window.nested = o; + o.foo = true; + assert(o === window.nested, "Nested attribute to sandbox object should not be proxified"); + window.nested = document; + assert(window.nested === document, "Nested attribute to proxy should not be double proxified"); + done(); + } + ); + +}); + +exports["test Form nodeName"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + let body = document.body; + // Check form[nodeName] + let form = document.createElement("form"); + let input = document.createElement("input"); + input.setAttribute("name", "test"); + form.appendChild(input); + body.appendChild(form); + assert(form.test == input, "form[nodeName] is valid"); + body.removeChild(form); + done(); + } + ); + +}); + +exports["test localStorage"] = createProxyTest("", function (helper, assert) { + + let worker = helper.createWorker( + 'new ' + function ContentScriptScope() { + // Check localStorage: + assert(window.localStorage, "has access to localStorage"); + window.localStorage.name = 1; + assert(window.localStorage.name == 1, "localStorage appears to work"); + + self.port.on("step2", function () { + window.localStorage.clear(); + assert(window.localStorage.name == undefined, "localStorage really, really works"); + done(); + }); + self.port.emit("step1"); + } + ); + + worker.port.on("step1", function () { + assert.equal(helper.rawWindow.localStorage.name, 1, "localStorage really works"); + worker.port.emit("step2"); + }); + +}); + +exports["test Auto Unwrap Custom Attributes"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + let body = document.body; + // Setting a custom object to a proxy attribute is not wrapped when we get it afterward + let object = {custom: true, enumerable: false}; + body.customAttribute = object; + assert(object === body.customAttribute, "custom JS attributes are not wrapped"); + done(); + } + ); + +}); + +exports["test Object Tag"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // <object>, <embed> and other tags return typeof 'function' + let flash = document.createElement("object"); + assert(typeof flash == "function", "<object> is typeof 'function'"); + assert(flash.toString().match(/\[object HTMLObjectElement.*\]/), "<object> is HTMLObjectElement"); + assert("setAttribute" in flash, "<object> has a setAttribute method"); + done(); + } + ); + +}); + +exports["test Highlight toString Behavior"] = createProxyTest("", function (helper, assert) { + // We do not have any workaround this particular use of toString + // applied on <object> elements. So disable this test until we found one! + //assert.equal(helper.rawWindow.Object.prototype.toString.call(flash), "[object HTMLObjectElement]", "<object> is HTMLObjectElement"); + function f() {}; + let funToString = Object.prototype.toString.call(f); + assert.ok(/\[object Function.*\]/.test(funToString), "functions are functions 1"); + + // This is how jquery call toString: + let strToString = helper.rawWindow.Object.prototype.toString.call(""); + assert.ok(/\[object String.*\]/.test(strToString), "strings are strings"); + + let o = {__exposedProps__:{}}; + let objToString = helper.rawWindow.Object.prototype.toString.call(o); + assert.ok(/\[object Object.*\]/.test(objToString), "objects are objects"); + + // Make sure to pass a function from the same compartments + // or toString will return [object Object] on FF8+ + let f2 = helper.rawWindow.eval("(function () {})"); + let funToString2 = helper.rawWindow.Object.prototype.toString.call(f2); + assert.ok(/\[object Function.*\]/.test(funToString2), "functions are functions 2"); + + helper.done(); +}); + +exports["test Document TagName"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + let body = document.body; + // Check document[tagName] + let div = document.createElement("div"); + div.setAttribute("name", "test"); + body.appendChild(div); + assert(!document.test, "document[divName] is undefined"); + body.removeChild(div); + + let form = document.createElement("form"); + form.setAttribute("name", "test"); + body.appendChild(form); + assert(document.test == form, "document[formName] is valid"); + body.removeChild(form); + + let img = document.createElement("img"); + img.setAttribute("name", "test"); + body.appendChild(img); + assert(document.test == img, "document[imgName] is valid"); + body.removeChild(img); + done(); + } + ); + +}); + +var html = '<iframe id="iframe" name="test" src="data:text/html;charset=utf-8," />'; +exports["test Window Frames"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'let glob = this; new ' + function ContentScriptScope() { + // Check window[frameName] and window.frames[i] + let iframe = document.getElementById("iframe"); + //assert(window.frames.length == 1, "The iframe is reported in window.frames check1"); + //assert(window.frames[0] == iframe.contentWindow, "The iframe is reported in window.frames check2"); + assert(window.test == iframe.contentWindow, "window[frameName] is valid"); + done(); + } + ); + +}); + +exports["test Collections"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Highlight XPCNativeWrapper bug with HTMLCollection + // tds[0] is only defined on first access :o + let body = document.body; + let div = document.createElement("div"); + body.appendChild(div); + div.innerHTML = "<table><tr><td style='padding:0;border:0;display:none'></td><td>t</td></tr></table>"; + let tds = div.getElementsByTagName("td"); + assert(tds[0] == tds[0], "We can get array element multiple times"); + body.removeChild(div); + done(); + } + ); + +}); + +var html = '<input id="input" type="text" /><input id="input3" type="checkbox" />' + + '<input id="input2" type="checkbox" />'; +exports["test Collections 2"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Verify that NodeList/HTMLCollection are working fine + let body = document.body; + let inputs = body.getElementsByTagName("input"); + assert(body.childNodes.length == 3, "body.childNodes length is correct"); + assert(inputs.length == 3, "inputs.length is correct"); + assert(body.childNodes[0] == inputs[0], "body.childNodes[0] is correct"); + assert(body.childNodes[1] == inputs[1], "body.childNodes[1] is correct"); + assert(body.childNodes[2] == inputs[2], "body.childNodes[2] is correct"); + let count = 0; + for(let i in body.childNodes) { + count++; + } + + assert(count >= 3, "body.childNodes is iterable"); + done(); + } + ); + +}); + +exports["test XMLHttpRequest"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // XMLHttpRequest doesn't support XMLHttpRequest.apply, + // that may break our proxy code + assert(new window.XMLHttpRequest(), "we are able to instantiate XMLHttpRequest object"); + done(); + } + ); + +}); + +exports["test XPathResult"] = createProxyTest("", function (helper, assert) { + const XPathResultTypes = ["ANY_TYPE", + "NUMBER_TYPE", "STRING_TYPE", "BOOLEAN_TYPE", + "UNORDERED_NODE_ITERATOR_TYPE", + "ORDERED_NODE_ITERATOR_TYPE", + "UNORDERED_NODE_SNAPSHOT_TYPE", + "ORDERED_NODE_SNAPSHOT_TYPE", + "ANY_UNORDERED_NODE_TYPE", + "FIRST_ORDERED_NODE_TYPE"]; + + // Check XPathResult bug with constants being undefined on XPCNativeWrapper + let xpcXPathResult = helper.xrayWindow.XPathResult; + + XPathResultTypes.forEach(function(type, i) { + assert.equal(xpcXPathResult.wrappedJSObject[type], + helper.rawWindow.XPathResult[type], + "XPathResult's constants are valid on unwrapped node"); + + assert.equal(xpcXPathResult[type], i, + "XPathResult's constants are defined on " + + "XPCNativeWrapper (platform bug #)"); + }); + + let value = helper.rawWindow.XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE; + let worker = helper.createWorker( + 'new ' + function ContentScriptScope() { + self.port.on("value", function (value) { + // Check that our work around is working: + assert(window.XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE === value, + "XPathResult works correctly on Proxies"); + done(); + }); + } + ); + worker.port.emit("value", value); +}); + +exports["test Prototype Inheritance"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Verify that inherited prototype function like initEvent + // are handled correctly. (e2.type will return an error if it's not the case) + let event1 = document.createEvent( 'MouseEvents' ); + event1.initEvent( "click", true, true ); + let event2 = document.createEvent( 'MouseEvents' ); + event2.initEvent( "click", true, true ); + assert(event2.type == "click", "We are able to create an event"); + done(); + } + ); + +}); + +exports["test Functions"] = createProxyTest("", function (helper) { + + helper.rawWindow.callFunction = function callFunction(f) { + return f(); + }; + helper.rawWindow.isEqual = function isEqual(a, b) { + return a == b; + }; + // bug 784116: workaround in order to allow proxy code to cache proxies on + // these functions: + helper.rawWindow.callFunction.__exposedProps__ = {__proxy: 'rw'}; + helper.rawWindow.isEqual.__exposedProps__ = {__proxy: 'rw'}; + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Check basic usage of functions + let closure2 = function () {return "ok";}; + assert(window.wrappedJSObject.callFunction(closure2) == "ok", "Function references work"); + + // Ensure that functions are cached when being wrapped to native code + let closure = function () {}; + assert(window.wrappedJSObject.isEqual(closure, closure), "Function references are cached before being wrapped to native"); + done(); + } + ); + +}); + +var html = '<input id="input2" type="checkbox" />'; +exports["test Listeners"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + // Verify listeners: + let input = document.getElementById("input2"); + assert(input, "proxy.getElementById works"); + + function onclick() {}; + input.onclick = onclick; + assert(input.onclick === onclick, "on* attributes are equal to original function set"); + + let addEventListenerCalled = false; + let expandoCalled = false; + input.addEventListener("click", function onclick(event) { + input.removeEventListener("click", onclick, true); + + assert(!addEventListenerCalled, "closure given to addEventListener is called once"); + if (addEventListenerCalled) + return; + addEventListenerCalled = true; + + assert(!event.target.ownerDocument.defaultView.documentGlobal, "event object is still wrapped and doesn't expose document globals"); + + let input2 = document.getElementById("input2"); + + input.onclick = function (event) { + input.onclick = null; + assert(!expandoCalled, "closure set to expando is called once"); + if (expandoCalled) return; + expandoCalled = true; + + assert(!event.target.ownerDocument.defaultView.documentGlobal, "event object is still wrapped and doesn't expose document globals"); + + setTimeout(function () { + input.click(); + done(); + }, 0); + + } + + setTimeout(function () { + input.click(); + }, 0); + + }, true); + + input.click(); + } + ); + +}); + +exports["test requestAnimationFrame"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + var self = (function() { return this; })(); + window.requestAnimationFrame(function callback() { + assert(self == this, "self is equal to `this`"); + done(); + }); + } + ); + +}); + +exports["testGlobalScope"] = createProxyTest("", function (helper) { + + helper.createWorker( + 'var toplevelScope = true;' + + 'assert(window.toplevelScope, "variables in toplevel scope are set to `window` object");' + + 'assert(this.toplevelScope, "variables in toplevel scope are set to `this` object");' + + 'done();' + ); + +}); + +// Bug 715755: proxy code throw an exception on COW +// Create an http server in order to simulate real cross domain documents +exports["test Cross Domain Iframe"] = createProxyTest("", function (helper) { + let serverPort = 8099; + let server = require("./lib/httpd").startServerAsync(serverPort); + server.registerPathHandler("/", function handle(request, response) { + // Returns the webpage that receive a message and forward it back to its + // parent document by appending ' world'. + let content = "<html><head><meta charset='utf-8'></head>\n"; + content += "<script>\n"; + content += " window.addEventListener('message', function (event) {\n"; + content += " parent.postMessage(event.data + ' world', '*');\n"; + content += " }, true);\n"; + content += "</script>\n"; + content += "<body></body>\n"; + content += "</html>\n"; + response.write(content); + }); + + let worker = helper.createWorker( + 'new ' + function ContentScriptScope() { + // Waits for the server page url + self.on("message", function (url) { + // Creates an iframe with this page + let iframe = document.createElement("iframe"); + iframe.addEventListener("load", function onload() { + iframe.removeEventListener("load", onload, true); + try { + // Try to communicate with iframe's content + window.addEventListener("message", function onmessage(event) { + window.removeEventListener("message", onmessage, true); + + assert(event.data == "hello world", "COW works properly"); + self.port.emit("end"); + }, true); + iframe.contentWindow.postMessage("hello", "*"); + } catch(e) { + assert(false, "COW fails : "+e.message); + } + }, true); + iframe.setAttribute("src", url); + document.body.appendChild(iframe); + }); + } + ); + + worker.port.on("end", function () { + server.stop(helper.done); + }); + + worker.postMessage("http://localhost:" + serverPort + "/"); + +}); + +// Bug 769006: Ensure that MutationObserver works fine with proxies +var html = '<a href="foo">link</a>'; +exports["test MutationObvserver"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'new ' + function ContentScriptScope() { + if (typeof MutationObserver == "undefined") { + assert(true, "No MutationObserver for this FF version"); + done(); + return; + } + let link = document.getElementsByTagName("a")[0]; + + // Register a Mutation observer + let obs = new MutationObserver(function(mutations){ + // Ensure that mutation data are valid + assert(mutations.length == 1, "only one attribute mutation"); + let mutation = mutations[0]; + assert(mutation.type == "attributes", "check `type`"); + assert(mutation.target == link, "check `target`"); + assert(mutation.attributeName == "href", "check `attributeName`"); + assert(mutation.oldValue == "foo", "check `oldValue`"); + obs.disconnect(); + done(); + }); + obs.observe(document, { + subtree: true, + attributes: true, + attributeOldValue: true, + attributeFilter: ["href"] + }); + + // Modify the DOM + link.setAttribute("href", "bar"); + } + ); + +}); + +var html = '<script>' + + 'var accessCheck = function() {' + + ' assert(true, "exporting function works");' + + ' try{' + + ' exportedObj.prop;' + + ' assert(false, "content should not have access to content-script");' + + ' } catch(e) {' + + ' assert(e.toString().indexOf("Permission denied") != -1,' + + ' "content should not have access to content-script");' + + ' }' + + '}</script>'; +exports["test nsEp for content-script"] = createProxyTest(html, function (helper) { + + helper.createWorker( + 'let glob = this; new ' + function ContentScriptScope() { + + exportFunction(assert, unsafeWindow, { defineAs: "assert" }); + window.wrappedJSObject.assert(true, "assert exported"); + window.wrappedJSObject.exportedObj = { prop: 42 }; + window.wrappedJSObject.accessCheck(); + done(); + } + ); + +}); + +require("sdk/test").run(exports); |