Add m-esr52 at 52.6.0

1 files changed, 1129 insertions, 0 deletions

diff --git a/addon-sdk/source/test/test-content-worker.js b/addon-sdk/source/test/test-content-worker.js
new file mode 100644
index 000000000..16c9436b3
--- /dev/null
+++ b/addon-sdk/source/test/test-content-worker.js
@@ -0,0 +1,1129 @@
+/* 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/. */
+"use strict";
+
+// Skipping due to window creation being unsupported in Fennec
+module.metadata = {
+  engines: {
+    'Firefox': '*'
+  }
+};
+
+const { Cc, Ci } = require("chrome");
+const { on } = require("sdk/event/core");
+const { setTimeout } = require("sdk/timers");
+const { LoaderWithHookedConsole, Loader } = require("sdk/test/loader");
+const { Worker } = require("sdk/content/worker");
+const { close } = require("sdk/window/helpers");
+const { set: setPref } = require("sdk/preferences/service");
+const { isArray } = require("sdk/lang/type");
+const { URL } = require('sdk/url');
+const fixtures = require("./fixtures");
+const system = require("sdk/system/events");
+
+const DEPRECATE_PREF = "devtools.errorconsole.deprecation_warnings";
+
+const DEFAULT_CONTENT_URL = "data:text/html;charset=utf-8,foo";
+
+const WINDOW_SCRIPT_URL = "data:text/html;charset=utf-8," +
+                          "<script>window.addEventListener('message', function (e) {" +
+                          "  if (e.data === 'from -> content-script')" +
+                          "    window.postMessage('from -> window', '*');" +
+                          "});</script>";
+
+function makeWindow() {
+  let content =
+    "<?xml version=\"1.0\"?>" +
+    "<window " +
+    "xmlns=\"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul\">" +
+    "<script>var documentValue=true;</script>" +
+    "</window>";
+  var url = "data:application/vnd.mozilla.xul+xml;charset=utf-8," +
+            encodeURIComponent(content);
+  var features = ["chrome", "width=10", "height=10"];
+
+  return Cc["@mozilla.org/embedcomp/window-watcher;1"].
+         getService(Ci.nsIWindowWatcher).
+         openWindow(null, url, null, features.join(","), null);
+}
+
+// Listen for only first one occurence of DOM event
+function listenOnce(node, eventName, callback) {
+  node.addEventListener(eventName, function onevent(event) {
+    node.removeEventListener(eventName, onevent, true);
+    callback(node);
+  }, true);
+}
+
+// Load a given url in a given browser and fires the callback when it is loaded
+function loadAndWait(browser, url, callback) {
+  listenOnce(browser, "load", callback);
+  // We have to wait before calling `loadURI` otherwise, if we call
+  // `loadAndWait` during browser load event, the history will be broken
+  setTimeout(function () {
+    browser.loadURI(url);
+  }, 0);
+}
+
+// Returns a test function that will automatically open a new chrome window
+// with a <browser> element loaded on a given content URL
+// The callback receive 3 arguments:
+// - test: reference to the jetpack test object
+// - browser: a reference to the <browser> xul node
+// - done: a callback to call when test is over
+function WorkerTest(url, callback) {
+  return function testFunction(assert, done) {
+    let chromeWindow = makeWindow();
+    chromeWindow.addEventListener("load", function onload() {
+      chromeWindow.removeEventListener("load", onload, true);
+      let browser = chromeWindow.document.createElement("browser");
+      browser.setAttribute("type", "content");
+      chromeWindow.document.documentElement.appendChild(browser);
+      // Wait for about:blank load event ...
+      listenOnce(browser, "load", function onAboutBlankLoad() {
+        // ... before loading the expected doc and waiting for its load event
+        loadAndWait(browser, url, function onDocumentLoaded() {
+          callback(assert, browser, function onTestDone() {
+
+            close(chromeWindow).then(done);
+          });
+        });
+      });
+    }, true);
+  };
+}
+
+exports["test:sample"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    assert.notEqual(browser.contentWindow.location.href, "about:blank",
+                        "window is now on the right document");
+
+    let window = browser.contentWindow
+    let worker =  Worker({
+      window: window,
+      contentScript: "new " + function WorkerScope() {
+        // window is accessible
+        let myLocation = window.location.toString();
+        self.on("message", function(data) {
+          if (data == "hi!")
+            self.postMessage("bye!");
+        });
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        assert.equal("bye!", msg);
+        assert.equal(worker.url, window.location.href,
+                         "worker.url still works");
+        done();
+      },
+      onAttach: function() {
+        assert.equal(worker.url, window.location.href,
+                         "worker.url works");
+        assert.equal(worker.contentURL, window.location.href,
+                         "worker.contentURL works");
+        worker.postMessage("hi!");
+      }
+    });
+  }
+);
+
+exports["test:emit"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          // Validate self.on and self.emit
+          self.port.on("addon-to-content", function (data) {
+            self.port.emit("content-to-addon", data);
+          });
+
+          // Check for global pollution
+          //if (typeof on != "undefined")
+          //  self.postMessage("`on` is in globals");
+          if (typeof once != "undefined")
+            self.postMessage("`once` is in globals");
+          if (typeof emit != "undefined")
+            self.postMessage("`emit` is in globals");
+
+        },
+        onMessage: function(msg) {
+          assert.fail("Got an unexpected message : "+msg);
+        }
+      });
+
+    // Validate worker.port
+    worker.port.on("content-to-addon", function (data) {
+      assert.equal(data, "event data");
+      done();
+    });
+    worker.port.emit("addon-to-content", "event data");
+  }
+);
+
+exports["test:emit hack message"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          // Validate self.port
+          self.port.on("message", function (data) {
+            self.port.emit("message", data);
+          });
+          // We should not receive message on self, but only on self.port
+          self.on("message", function (data) {
+            self.postMessage("message", data);
+          });
+        },
+        onError: function(e) {
+          assert.fail("Got exception: "+e);
+        }
+      });
+
+    worker.port.on("message", function (data) {
+      assert.equal(data, "event data");
+      done();
+    });
+    worker.on("message", function (data) {
+      assert.fail("Got an unexpected message : "+msg);
+    });
+    worker.port.emit("message", "event data");
+  }
+);
+
+exports["test:n-arguments emit"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let repeat = 0;
+    let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          // Validate self.on and self.emit
+          self.port.on("addon-to-content", function (a1, a2, a3) {
+            self.port.emit("content-to-addon", a1, a2, a3);
+          });
+        }
+      });
+
+    // Validate worker.port
+    worker.port.on("content-to-addon", function (arg1, arg2, arg3) {
+      if (!repeat++) {
+        this.emit("addon-to-content", "first argument", "second", "third");
+      } else {
+        assert.equal(arg1, "first argument");
+        assert.equal(arg2, "second");
+        assert.equal(arg3, "third");
+        done();
+      }
+    });
+    worker.port.emit("addon-to-content", "first argument", "second", "third");
+  }
+);
+
+exports["test:post-json-values-only"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          self.on("message", function (message) {
+            self.postMessage([ message.fun === undefined,
+                               typeof message.w,
+                               message.w && "port" in message.w,
+                               message.w._url,
+                               Array.isArray(message.array),
+                               JSON.stringify(message.array)]);
+          });
+        }
+      });
+
+    // Validate worker.onMessage
+    let array = [1, 2, 3];
+    worker.on("message", function (message) {
+      assert.ok(message[0], "function becomes undefined");
+      assert.equal(message[1], "object", "object stays object");
+      assert.ok(message[2], "object's attributes are enumerable");
+      assert.equal(message[3], DEFAULT_CONTENT_URL,
+                       "jsonable attributes are accessible");
+      // See bug 714891, Arrays may be broken over compartements:
+      assert.ok(message[4], "Array keeps being an array");
+      assert.equal(message[5], JSON.stringify(array),
+                       "Array is correctly serialized");
+      done();
+    });
+    // Add a new url property sa the Class function used by
+    // Worker doesn't set enumerables to true for non-functions
+    worker._url = DEFAULT_CONTENT_URL;
+
+    worker.postMessage({ fun: function () {}, w: worker, array: array });
+  }
+);
+
+exports["test:emit-json-values-only"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          // Validate self.on and self.emit
+          self.port.on("addon-to-content", function (fun, w, obj, array) {
+            self.port.emit("content-to-addon", [
+                            fun === null,
+                            typeof w,
+                            "port" in w,
+                            w._url,
+                            "fun" in obj,
+                            Object.keys(obj.dom).length,
+                            Array.isArray(array),
+                            JSON.stringify(array)
+                          ]);
+          });
+        }
+      });
+
+    // Validate worker.port
+    let array = [1, 2, 3];
+    worker.port.on("content-to-addon", function (result) {
+      assert.ok(result[0], "functions become null");
+      assert.equal(result[1], "object", "objects stay objects");
+      assert.ok(result[2], "object's attributes are enumerable");
+      assert.equal(result[3], DEFAULT_CONTENT_URL,
+                       "json attribute is accessible");
+      assert.ok(!result[4], "function as object attribute is removed");
+      assert.equal(result[5], 0, "DOM nodes are converted into empty object");
+      // See bug 714891, Arrays may be broken over compartments:
+      assert.ok(result[6], "Array keeps being an array");
+      assert.equal(result[7], JSON.stringify(array),
+                       "Array is correctly serialized");
+      done();
+    });
+
+    let obj = {
+      fun: function () {},
+      dom: browser.contentWindow.document.createElement("div")
+    };
+    // Add a new url property sa the Class function used by
+    // Worker doesn't set enumerables to true for non-functions
+    worker._url = DEFAULT_CONTENT_URL;
+    worker.port.emit("addon-to-content", function () {}, worker, obj, array);
+  }
+);
+
+exports["test:content is wrapped"] = WorkerTest(
+  "data:text/html;charset=utf-8,<script>var documentValue=true;</script>",
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        self.postMessage(!window.documentValue);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        assert.ok(msg,
+          "content script has a wrapped access to content document");
+        done();
+      }
+    });
+  }
+);
+
+// ContentWorker is not for chrome
+/*
+exports["test:chrome is unwrapped"] = function(assert, done) {
+  let window = makeWindow();
+
+  listenOnce(window, "load", function onload() {
+
+    let worker =  Worker({
+      window: window,
+      contentScript: "new " + function WorkerScope() {
+        self.postMessage(window.documentValue);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        assert.ok(msg,
+          "content script has an unwrapped access to chrome document");
+        close(window).then(done);
+      }
+    });
+
+  });
+}
+*/
+
+exports["test:nothing is leaked to content script"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        self.postMessage([
+          "ContentWorker" in window,
+          "UNWRAP_ACCESS_KEY" in window,
+          "getProxyForObject" in window
+        ]);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(list) {
+        assert.ok(!list[0], "worker API contrustor isn't leaked");
+        assert.ok(!list[1], "Proxy API stuff isn't leaked 1/2");
+        assert.ok(!list[2], "Proxy API stuff isn't leaked 2/2");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:ensure console.xxx works in cs"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    const EXPECTED = ["time", "log", "info", "warn", "error", "error", "timeEnd"];
+
+    let calls = [];
+    let levels = [];
+
+    system.on('console-api-log-event', onMessage);
+
+    function onMessage({ subject }) {
+      calls.push(subject.wrappedJSObject.arguments[0]);
+      levels.push(subject.wrappedJSObject.level);
+    }
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        console.time("time");
+        console.log("log");
+        console.info("info");
+        console.warn("warn");
+        console.error("error");
+        console.debug("debug");
+        console.exception("error");
+        console.timeEnd("timeEnd");
+        self.postMessage();
+      },
+      onMessage: function() {
+        system.off('console-api-log-event', onMessage);
+
+        assert.equal(JSON.stringify(calls),
+          JSON.stringify(EXPECTED),
+          "console methods have been called successfully, in expected order");
+
+        assert.equal(JSON.stringify(levels),
+          JSON.stringify(EXPECTED),
+          "console messages have correct log levels, in expected order");
+
+        done();
+      }
+    });
+  }
+);
+
+exports["test:setTimeout works with string argument"] = WorkerTest(
+  "data:text/html;charset=utf-8,<script>var docVal=5;</script>",
+  function(assert, browser, done) {
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function ContentScriptScope() {
+        // must use "window.scVal" instead of "var csVal"
+        // since we are inside ContentScriptScope function.
+        // i'm NOT putting code-in-string inside code-in-string </YO DAWG>
+        window.csVal = 13;
+        setTimeout("self.postMessage([" +
+                      "csVal, " +
+                      "window.docVal, " +
+                      "'ContentWorker' in window, " +
+                      "'UNWRAP_ACCESS_KEY' in window, " +
+                      "'getProxyForObject' in window, " +
+                    "])", 1);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function([csVal, docVal, chrome1, chrome2, chrome3]) {
+        // test timer code is executed in the correct context
+        assert.equal(csVal, 13, "accessing content-script values");
+        assert.notEqual(docVal, 5, "can't access document values (directly)");
+        assert.ok(!chrome1 && !chrome2 && !chrome3, "nothing is leaked from chrome");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:setInterval works with string argument"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let count = 0;
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "setInterval('self.postMessage(1)', 50)",
+      contentScriptWhen: "ready",
+      onMessage: function(one) {
+        count++;
+        assert.equal(one, 1, "got " + count + " message(s) from setInterval");
+        if (count >= 3) done();
+      }
+    });
+  }
+);
+
+exports["test:setInterval async Errors passed to .onError"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let count = 0;
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "setInterval(() => { throw Error('ubik') }, 50)",
+      contentScriptWhen: "ready",
+      onError: function(err) {
+        count++;
+        assert.equal(err.message, "ubik",
+            "error (correctly) propagated  " + count + " time(s)");
+        if (count >= 3) done();
+      }
+    });
+  }
+);
+
+exports["test:setTimeout throws array, passed to .onError"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "setTimeout(function() { throw ['array', 42] }, 1)",
+      contentScriptWhen: "ready",
+      onError: function(arr) {
+        assert.ok(isArray(arr),
+            "the type of thrown/propagated object is array");
+        assert.ok(arr.length==2,
+            "the propagated thrown array is the right length");
+        assert.equal(arr[1], 42,
+            "element inside the thrown array correctly propagated");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:setTimeout string arg with SyntaxError to .onError"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "setTimeout('syntax 123 error', 1)",
+      contentScriptWhen: "ready",
+      onError: function(err) {
+        assert.equal(err.name, "SyntaxError",
+            "received SyntaxError thrown from bad code in string argument to setTimeout");
+        assert.ok('fileName' in err,
+            "propagated SyntaxError contains a fileName property");
+        assert.ok('stack' in err,
+            "propagated SyntaxError contains a stack property");
+        assert.equal(err.message, "missing ; before statement",
+            "propagated SyntaxError has the correct (helpful) message");
+        assert.equal(err.lineNumber, 1,
+            "propagated SyntaxError was thrown on the right lineNumber");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:setTimeout can't be cancelled by content"] = WorkerTest(
+  "data:text/html;charset=utf-8,<script>var documentValue=true;</script>",
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        let id = setTimeout(function () {
+          self.postMessage("timeout");
+        }, 100);
+        unsafeWindow.eval("clearTimeout("+id+");");
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        assert.ok(msg,
+          "content didn't managed to cancel our setTimeout");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:clearTimeout"] = WorkerTest(
+  "data:text/html;charset=utf-8,clear timeout",
+  function(assert, browser, done) {
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        let id1 = setTimeout(function() {
+          self.postMessage("failed");
+        }, 10);
+        let id2 = setTimeout(function() {
+          self.postMessage("done");
+        }, 100);
+        clearTimeout(id1);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        if (msg === "failed") {
+          assert.fail("failed to cancel timer");
+        } else {
+          assert.pass("timer cancelled");
+          done();
+        }
+      }
+    });
+  }
+);
+
+exports["test:clearInterval"] = WorkerTest(
+  "data:text/html;charset=utf-8,clear timeout",
+  function(assert, browser, done) {
+    let called = 0;
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        let id = setInterval(function() {
+          self.postMessage("intreval")
+          clearInterval(id)
+          setTimeout(function() {
+            self.postMessage("done")
+          }, 100)
+        }, 10);
+      },
+      contentScriptWhen: "ready",
+      onMessage: function(msg) {
+        if (msg === "intreval") {
+          called = called + 1;
+          if (called > 1) assert.fail("failed to cancel timer");
+        } else {
+          assert.pass("interval cancelled");
+          done();
+        }
+      }
+    });
+  }
+)
+
+exports["test:setTimeout are unregistered on content unload"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let originalWindow = browser.contentWindow;
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        document.title = "ok";
+        let i = 0;
+        setInterval(function () {
+          document.title = i++;
+        }, 10);
+      },
+      contentScriptWhen: "ready"
+    });
+
+    // Change location so that content script is destroyed,
+    // and all setTimeout/setInterval should be unregistered.
+    // Wait some cycles in order to execute some intervals.
+    setTimeout(function () {
+      // Bug 689621: Wait for the new document load so that we are sure that
+      // previous document cancelled its intervals
+      let url2 = "data:text/html;charset=utf-8,<title>final</title>";
+      loadAndWait(browser, url2, function onload() {
+        let titleAfterLoad = originalWindow.document.title;
+        // Wait additional cycles to verify that intervals are really cancelled
+        setTimeout(function () {
+          assert.equal(browser.contentDocument.title, "final",
+                           "New document has not been modified");
+          assert.equal(originalWindow.document.title, titleAfterLoad,
+                           "Nor previous one");
+
+          done();
+        }, 100);
+      });
+    }, 100);
+  }
+);
+
+exports['test:check window attribute in iframes'] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    // Create a first iframe and wait for its loading
+    let contentWin = browser.contentWindow;
+    let contentDoc = contentWin.document;
+    let iframe = contentDoc.createElement("iframe");
+    contentDoc.body.appendChild(iframe);
+
+    listenOnce(iframe, "load", function onload() {
+
+      // Create a second iframe inside the first one and wait for its loading
+      let iframeDoc = iframe.contentWindow.document;
+      let subIframe = iframeDoc.createElement("iframe");
+      iframeDoc.body.appendChild(subIframe);
+
+      listenOnce(subIframe, "load", function onload() {
+        subIframe.removeEventListener("load", onload, true);
+
+        // And finally create a worker against this second iframe
+        let worker =  Worker({
+          window: subIframe.contentWindow,
+          contentScript: 'new ' + function WorkerScope() {
+            self.postMessage([
+              window.top !== window,
+              frameElement,
+              window.parent !== window,
+              top.location.href,
+              parent.location.href,
+            ]);
+          },
+          onMessage: function(msg) {
+            assert.ok(msg[0], "window.top != window");
+            assert.ok(msg[1], "window.frameElement is defined");
+            assert.ok(msg[2], "window.parent != window");
+            assert.equal(msg[3], contentWin.location.href,
+                             "top.location refers to the toplevel content doc");
+            assert.equal(msg[4], iframe.contentWindow.location.href,
+                             "parent.location refers to the first iframe doc");
+            done();
+          }
+        });
+
+      });
+      subIframe.setAttribute("src", "data:text/html;charset=utf-8,bar");
+
+    });
+    iframe.setAttribute("src", "data:text/html;charset=utf-8,foo");
+  }
+);
+
+exports['test:check window attribute in toplevel documents'] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: 'new ' + function WorkerScope() {
+        self.postMessage([
+          window.top === window,
+          frameElement,
+          window.parent === window
+        ]);
+      },
+      onMessage: function(msg) {
+        assert.ok(msg[0], "window.top == window");
+        assert.ok(!msg[1], "window.frameElement is null");
+        assert.ok(msg[2], "window.parent == window");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:check worker API with page history"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let url2 = "data:text/html;charset=utf-8,bar";
+
+    loadAndWait(browser, url2, function () {
+      let worker =  Worker({
+        window: browser.contentWindow,
+        contentScript: "new " + function WorkerScope() {
+          // Just before the content script is disable, we register a timeout
+          // that will be disable until the page gets visible again
+          self.on("pagehide", function () {
+            setTimeout(function () {
+              self.port.emit("timeout");
+            }, 0);
+          });
+
+          self.on("message", function() {
+            self.postMessage("saw message");
+          });
+
+          self.on("event", function() {
+            self.port.emit("event", "saw event");
+          });
+        },
+        contentScriptWhen: "start"
+      });
+
+      // postMessage works correctly when the page is visible
+      worker.postMessage("ok");
+
+      // We have to wait before going back into history,
+      // otherwise `goBack` won't do anything.
+      setTimeout(function () {
+        browser.goBack();
+      }, 0);
+
+      // Wait for the document to be hidden
+      browser.addEventListener("pagehide", function onpagehide() {
+        browser.removeEventListener("pagehide", onpagehide, false);
+        // Now any event sent to this worker should be cached
+
+        worker.postMessage("message");
+        worker.port.emit("event");
+
+        // Display the page with attached content script back in order to resume
+        // its timeout and receive the expected message.
+        // We have to delay this in order to not break the history.
+        // We delay for a non-zero amount of time in order to ensure that we
+        // do not receive the message immediatly, so that the timeout is
+        // actually disabled
+        setTimeout(function () {
+          worker.on("pageshow", function() {
+            let promise = Promise.all([
+              new Promise(resolve => {
+                worker.port.on("event", () => {
+                  assert.pass("Saw event");
+                  resolve();
+                });
+              }),
+              new Promise(resolve => {
+                worker.on("message", () => {
+                  assert.pass("Saw message");
+                  resolve();
+                });
+              }),
+              new Promise(resolve => {
+                worker.port.on("timeout", () => {
+                  assert.pass("Timer fired");
+                  resolve();
+                });
+              })
+            ]);
+            promise.then(done);
+          });
+
+          browser.goForward();
+        }, 500);
+
+      }, false);
+    });
+
+  }
+);
+
+exports['test:conentScriptFile as URL instance'] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+
+    let url = new URL(fixtures.url("test-contentScriptFile.js"));
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScriptFile: url,
+      onMessage: function(msg) {
+        assert.equal(msg, "msg from contentScriptFile",
+            "received a wrong message from contentScriptFile");
+        done();
+      }
+    });
+  }
+);
+
+exports["test:worker events"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function (assert, browser, done) {
+    let window = browser.contentWindow;
+    let events = [];
+    let worker = Worker({
+      window: window,
+      contentScript: 'new ' + function WorkerScope() {
+        self.postMessage('start');
+      },
+      onAttach: () => {
+        events.push('attach');
+        assert.pass('attach event called when attached');
+      },
+      onError: err => {
+        assert.equal(err.message, 'Custom',
+          'Error passed into error event');
+        worker.detach();
+      },
+      onMessage: msg => {
+        assert.pass('`onMessage` handles postMessage')
+        throw new Error('Custom');
+      },
+      onDetach: _ => {
+        assert.pass('`onDetach` called when worker detached');
+        done();
+      }
+    });
+    // `attach` event is called synchronously during instantiation,
+    // so we can't listen to that, TODO FIX?
+    //  worker.on('attach', obj => console.log('attach', obj));
+  }
+);
+
+exports["test:onDetach in contentScript on destroy"] = WorkerTest(
+  "data:text/html;charset=utf-8,foo#detach",
+  function(assert, browser, done) {
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: 'new ' + function WorkerScope() {
+        self.port.on('detach', function(reason) {
+          window.location.hash += '!' + reason;
+        })
+      },
+
+      onAttach: function() {
+        browser.contentWindow.addEventListener('hashchange', _ => {
+          assert.equal(browser.contentWindow.location.hash, '#detach!',
+                       "location.href is as expected");
+          done();
+        })
+        worker.destroy();
+      }
+    });
+  }
+);
+
+exports["test:onDetach in contentScript on unload"] = WorkerTest(
+  "data:text/html;charset=utf-8,foo#detach",
+  function(assert, browser, done) {
+    let { loader } = LoaderWithHookedConsole(module);
+    let worker = loader.require("sdk/content/worker").Worker({
+      window: browser.contentWindow,
+      contentScript: 'new ' + function WorkerScope() {
+        self.port.on('detach', function(reason) {
+          window.location.hash += '!' + reason;
+        })
+      },
+    });
+    browser.contentWindow.addEventListener('hashchange', _ => {
+      assert.equal(browser.contentWindow.location.hash, '#detach!shutdown',
+                   "location.href is as expected");
+      done();
+    })
+    loader.unload('shutdown');
+  }
+);
+
+exports["test:console method log functions properly"] = WorkerTest(
+  DEFAULT_CONTENT_URL,
+  function(assert, browser, done) {
+    let logs = [];
+
+    system.on('console-api-log-event', onMessage);
+
+    function onMessage({ subject }) {
+      logs.push(clean(subject.wrappedJSObject.arguments[0]));
+    }
+
+    let clean = message =>
+          message.trim().
+          replace(/[\r\n]/g, " ").
+          replace(/ +/g, " ");
+
+    let worker =  Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        console.log(Function);
+        console.log((foo) => foo * foo);
+        console.log(function foo(bar) { return bar + bar });
+
+        self.postMessage();
+      },
+      onMessage: () => {
+        system.off('console-api-log-event', onMessage);
+
+        assert.deepEqual(logs, [
+          "function Function() { [native code] }",
+          "(foo) => foo * foo",
+          "function foo(bar) { return bar + bar }"
+        ]);
+
+        done();
+      }
+    });
+  }
+);
+
+exports["test:global postMessage"] = WorkerTest(
+  WINDOW_SCRIPT_URL,
+  function(assert, browser, done) {
+    let contentScript = "window.addEventListener('message', function (e) {" +
+                        "  if (e.data === 'from -> window')" +
+                        "    self.port.emit('response', e.data, e.origin);" +
+                        "});" +
+                        "postMessage('from -> content-script', '*');";
+    let { loader } = LoaderWithHookedConsole(module);
+    let worker =  loader.require("sdk/content/worker").Worker({
+      window: browser.contentWindow,
+      contentScriptWhen: "ready",
+      contentScript: contentScript
+    });
+
+    worker.port.on("response", (data, origin) => {
+      assert.equal(data, "from -> window", "Communication from content-script to window completed");
+      done();
+    });
+});
+
+exports["test:destroy unbinds listeners from port"] = WorkerTest(
+  "data:text/html;charset=utf-8,portdestroyer",
+  function(assert, browser, done) {
+    let destroyed = false;
+    let worker = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        self.port.emit("destroy");
+        setInterval(self.port.emit, 10, "ping");
+      },
+      onDestroy: done
+    });
+    worker.port.on("ping", () => {
+      if (destroyed) {
+        assert.fail("Should not call events on port after destroy.");
+      }
+    });
+    worker.port.on("destroy", () => {
+      destroyed = true;
+      worker.destroy();
+      assert.pass("Worker destroyed, waiting for no future listeners handling events.");
+      setTimeout(done, 500);
+    });
+  }
+);
+
+exports["test:destroy kills child worker"] = WorkerTest(
+  "data:text/html;charset=utf-8,<html><body><p id='detail'></p></body></html>",
+  function(assert, browser, done) {
+    let worker1 = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        self.port.on("ping", detail => {
+          let event = document.createEvent("CustomEvent");
+          event.initCustomEvent("Test:Ping", true, true, detail);
+          document.dispatchEvent(event);
+          self.port.emit("pingsent");
+        });
+
+        let listener = function(event) {
+          self.port.emit("pong", event.detail);
+        };
+
+        self.port.on("detach", () => {
+          window.removeEventListener("Test:Pong", listener);
+        });
+        window.addEventListener("Test:Pong", listener);
+      },
+      onAttach: function() {
+        let worker2 = Worker({
+          window: browser.contentWindow,
+          contentScript: "new " + function WorkerScope() {
+            let listener = function(event) {
+              let newEvent = document.createEvent("CustomEvent");
+              newEvent.initCustomEvent("Test:Pong", true, true, event.detail);
+              document.dispatchEvent(newEvent);
+            };
+            self.port.on("detach", () => {
+              window.removeEventListener("Test:Ping", listener);
+            })
+            window.addEventListener("Test:Ping", listener);
+            self.postMessage();
+          },
+          onMessage: function() {
+            worker1.port.emit("ping", "test1");
+            worker1.port.once("pong", detail => {
+              assert.equal(detail, "test1", "Saw the right message");
+              worker1.port.once("pingsent", () => {
+                assert.pass("The message was sent");
+
+                worker2.destroy();
+
+                worker1.port.emit("ping", "test2");
+                worker1.port.once("pong", detail => {
+                  assert.fail("worker2 shouldn't have responded");
+                })
+                worker1.port.once("pingsent", () => {
+                  assert.pass("The message was sent");
+                  worker1.destroy();
+                  done();
+                });
+              });
+            })
+          }
+        });
+      }
+    });
+  }
+);
+
+exports["test:unload kills child worker"] = WorkerTest(
+  "data:text/html;charset=utf-8,<html><body><p id='detail'></p></body></html>",
+  function(assert, browser, done) {
+    let loader = Loader(module);
+    let worker1 = Worker({
+      window: browser.contentWindow,
+      contentScript: "new " + function WorkerScope() {
+        self.port.on("ping", detail => {
+          let event = document.createEvent("CustomEvent");
+          event.initCustomEvent("Test:Ping", true, true, detail);
+          document.dispatchEvent(event);
+          self.port.emit("pingsent");
+        });
+
+        let listener = function(event) {
+          self.port.emit("pong", event.detail);
+        };
+
+        self.port.on("detach", () => {
+          window.removeEventListener("Test:Pong", listener);
+        });
+        window.addEventListener("Test:Pong", listener);
+      },
+      onAttach: function() {
+        let worker2 = loader.require("sdk/content/worker").Worker({
+          window: browser.contentWindow,
+          contentScript: "new " + function WorkerScope() {
+            let listener = function(event) {
+              let newEvent = document.createEvent("CustomEvent");
+              newEvent.initCustomEvent("Test:Pong", true, true, event.detail);
+              document.dispatchEvent(newEvent);
+            };
+            self.port.on("detach", () => {
+              window.removeEventListener("Test:Ping", listener);
+            })
+            window.addEventListener("Test:Ping", listener);
+            self.postMessage();
+          },
+          onMessage: function() {
+            worker1.port.emit("ping", "test1");
+            worker1.port.once("pong", detail => {
+              assert.equal(detail, "test1", "Saw the right message");
+              worker1.port.once("pingsent", () => {
+                assert.pass("The message was sent");
+
+                loader.unload();
+
+                worker1.port.emit("ping", "test2");
+                worker1.port.once("pong", detail => {
+                  assert.fail("worker2 shouldn't have responded");
+                })
+                worker1.port.once("pingsent", () => {
+                  assert.pass("The message was sent");
+                  worker1.destroy();
+                  done();
+                });
+              });
+            })
+          }
+        });
+      }
+    });
+  }
+);
+
+require("sdk/test").run(exports);