Add m-esr52 at 52.6.0

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);