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diff --git a/addon-sdk/source/test/addons/e10s-content/lib/test-page-worker.js b/addon-sdk/source/test/addons/e10s-content/lib/test-page-worker.js
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+++ b/addon-sdk/source/test/addons/e10s-content/lib/test-page-worker.js
@@ -0,0 +1,524 @@
+/* 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";
+
+const { Loader } = require('sdk/test/loader');
+const { Page } = require("sdk/page-worker");
+const { URL } = require("sdk/url");
+const fixtures = require("./fixtures");
+const testURI = fixtures.url("test.html");
+
+const ERR_DESTROYED =
+  "Couldn't find the worker to receive this message. " +
+  "The script may not be initialized yet, or may already have been unloaded.";
+
+const Isolate = fn => "(" + fn + ")()";
+
+exports.testSimplePageCreation = function(assert, done) {
+  let page = new Page({
+    contentScript: "self.postMessage(window.location.href)",
+    contentScriptWhen: "end",
+    onMessage: function (message) {
+      assert.equal(message, "about:blank",
+                       "Page Worker should start with a blank page by default");
+      assert.equal(this, page, "The 'this' object is the page itself.");
+      done();
+    }
+  });
+}
+
+/*
+ * Tests that we can't be tricked by document overloads as we have access
+ * to wrapped nodes
+ */
+exports.testWrappedDOM = function(assert, done) {
+  let page = Page({
+    allow: { script: true },
+    contentURL: "data:text/html;charset=utf-8,<script>document.getElementById=3;window.scrollTo=3;</script>",
+    contentScript: 'new ' + function() {
+      function send() {
+        self.postMessage([typeof(document.getElementById), typeof(window.scrollTo)]);
+      }
+      if (document.readyState !== 'complete')
+        window.addEventListener('load', send, true)
+      else
+        send();
+    },
+    onMessage: function (message) {
+      assert.equal(message[0],
+                       "function",
+                       "getElementById from content script is the native one");
+
+      assert.equal(message[1],
+                       "function",
+                       "scrollTo from content script is the native one");
+
+      done();
+    }
+  });
+}
+
+/*
+// We do not offer unwrapped access to DOM since bug 601295 landed
+// See 660780 to track progress of unwrap feature
+exports.testUnwrappedDOM = function(assert, done) {
+  let page = Page({
+    allow: { script: true },
+    contentURL: "data:text/html;charset=utf-8,<script>document.getElementById=3;window.scrollTo=3;</script>",
+    contentScript: "window.addEventListener('load', function () { " +
+                   "return self.postMessage([typeof(unsafeWindow.document.getElementById), " +
+                   "typeof(unsafeWindow.scrollTo)]); }, true)",
+    onMessage: function (message) {
+      assert.equal(message[0],
+                       "number",
+                       "document inside page is free to be changed");
+
+      assert.equal(message[1],
+                       "number",
+                       "window inside page is free to be changed");
+
+      done();
+    }
+  });
+}
+*/
+
+exports.testPageProperties = function(assert) {
+  let page = new Page();
+
+  for (let prop of ['contentURL', 'allow', 'contentScriptFile',
+                         'contentScript', 'contentScriptWhen', 'on',
+                         'postMessage', 'removeListener']) {
+    assert.ok(prop in page, prop + " property is defined on page.");
+  }
+
+  assert.ok(() => page.postMessage("foo") || true,
+              "postMessage doesn't throw exception on page.");
+}
+
+exports.testConstructorAndDestructor = function(assert, done) {
+  let loader = Loader(module);
+  let { Page } = loader.require("sdk/page-worker");
+  let global = loader.sandbox("sdk/page-worker");
+
+  let pagesReady = 0;
+
+  let page1 = Page({
+    contentScript:      "self.postMessage('')",
+    contentScriptWhen:  "end",
+    onMessage:          pageReady
+  });
+  let page2 = Page({
+    contentScript:      "self.postMessage('')",
+    contentScriptWhen:  "end",
+    onMessage:          pageReady
+  });
+
+  assert.notEqual(page1, page2,
+                      "Page 1 and page 2 should be different objects.");
+
+  function pageReady() {
+    if (++pagesReady == 2) {
+      page1.destroy();
+      page2.destroy();
+
+      assert.ok(isDestroyed(page1), "page1 correctly unloaded.");
+      assert.ok(isDestroyed(page2), "page2 correctly unloaded.");
+
+      loader.unload();
+      done();
+    }
+  }
+}
+
+exports.testAutoDestructor = function(assert, done) {
+  let loader = Loader(module);
+  let { Page } = loader.require("sdk/page-worker");
+
+  let page = Page({
+    contentScript: "self.postMessage('')",
+    contentScriptWhen: "end",
+    onMessage: function() {
+      loader.unload();
+      assert.ok(isDestroyed(page), "Page correctly unloaded.");
+      done();
+    }
+  });
+}
+
+exports.testValidateOptions = function(assert) {
+  assert.throws(
+    () => Page({ contentURL: 'home' }),
+    /The `contentURL` option must be a valid URL\./,
+    "Validation correctly denied a non-URL contentURL"
+  );
+
+  assert.throws(
+    () => Page({ onMessage: "This is not a function."}),
+    /The option "onMessage" must be one of the following types: function/,
+    "Validation correctly denied a non-function onMessage."
+  );
+
+  assert.pass("Options validation is working.");
+}
+
+exports.testContentAndAllowGettersAndSetters = function(assert, done) {
+  let content = "data:text/html;charset=utf-8,<script>window.localStorage.allowScript=3;</script>";
+
+  // Load up the page with testURI initially for the resource:// principal,
+  // then load the actual data:* content, as data:* URIs no longer
+  // have localStorage
+  let page = Page({
+    contentURL: testURI,
+    contentScript: "if (window.location.href==='"+testURI+"')" +
+      "  self.postMessage('reload');" +
+      "else " +
+      "  self.postMessage(window.localStorage.allowScript)",
+    contentScriptWhen: "end",
+    onMessage: step0
+  });
+
+  function step0(message) {
+    if (message === 'reload')
+      return page.contentURL = content;
+    assert.equal(message, "3",
+                     "Correct value expected for allowScript - 3");
+    assert.equal(page.contentURL, content,
+                     "Correct content expected");
+    page.removeListener('message', step0);
+    page.on('message', step1);
+    page.allow = { script: false };
+    page.contentURL = content =
+      "data:text/html;charset=utf-8,<script>window.localStorage.allowScript='f'</script>";
+  }
+
+  function step1(message) {
+    assert.equal(message, "3",
+                     "Correct value expected for allowScript - 3");
+    assert.equal(page.contentURL, content, "Correct content expected");
+    page.removeListener('message', step1);
+    page.on('message', step2);
+    page.allow = { script: true };
+    page.contentURL = content =
+      "data:text/html;charset=utf-8,<script>window.localStorage.allowScript='g'</script>";
+  }
+
+  function step2(message) {
+    assert.equal(message, "g",
+                     "Correct value expected for allowScript - g");
+    assert.equal(page.contentURL, content, "Correct content expected");
+    page.removeListener('message', step2);
+    page.on('message', step3);
+    page.allow.script = false;
+    page.contentURL = content =
+      "data:text/html;charset=utf-8,<script>window.localStorage.allowScript=3</script>";
+  }
+
+  function step3(message) {
+    assert.equal(message, "g",
+                     "Correct value expected for allowScript - g");
+    assert.equal(page.contentURL, content, "Correct content expected");
+    page.removeListener('message', step3);
+    page.on('message', step4);
+    page.allow.script = true;
+    page.contentURL = content =
+      "data:text/html;charset=utf-8,<script>window.localStorage.allowScript=4</script>";
+  }
+
+  function step4(message) {
+    assert.equal(message, "4",
+                     "Correct value expected for allowScript - 4");
+    assert.equal(page.contentURL, content, "Correct content expected");
+    done();
+  }
+
+}
+
+exports.testOnMessageCallback = function(assert, done) {
+  Page({
+    contentScript: "self.postMessage('')",
+    contentScriptWhen: "end",
+    onMessage: function() {
+      assert.pass("onMessage callback called");
+      done();
+    }
+  });
+}
+
+exports.testMultipleOnMessageCallbacks = function(assert, done) {
+  let count = 0;
+  let page = Page({
+    contentScript: "self.postMessage('')",
+    contentScriptWhen: "end",
+    onMessage: () => count += 1
+  });
+  page.on('message', () => count += 2);
+  page.on('message', () => count *= 3);
+  page.on('message', () =>
+    assert.equal(count, 9, "All callbacks were called, in order."));
+  page.on('message', done);
+};
+
+exports.testLoadContentPage = function(assert, done) {
+  let page = Page({
+    onMessage: function(message) {
+      // The message is an array whose first item is the test method to call
+      // and the rest of whose items are arguments to pass it.
+      let msg = message.shift();
+      if (msg == "done")
+        return done();
+      assert[msg].apply(assert, message);
+    },
+    contentURL: fixtures.url("test-page-worker.html"),
+    contentScriptFile: fixtures.url("test-page-worker.js"),
+    contentScriptWhen: "ready"
+  });
+}
+
+exports.testLoadContentPageRelativePath = function(assert, done) {
+  let page = require("sdk/page-worker").Page({
+    onMessage: function(message) {
+      // The message is an array whose first item is the test method to call
+      // and the rest of whose items are arguments to pass it.
+      let msg = message.shift();
+      if (msg == "done")
+        return done();
+      assert[msg].apply(assert, message);
+    },
+    contentURL: "./test-page-worker.html",
+    contentScriptFile: "./test-page-worker.js",
+    contentScriptWhen: "ready"
+  });
+}
+
+exports.testAllowScriptDefault = function(assert, done) {
+  let page = Page({
+    onMessage: function(message) {
+      assert.ok(message, "Script is allowed to run by default.");
+      done();
+    },
+    contentURL: "data:text/html;charset=utf-8,<script>document.documentElement.setAttribute('foo', 3);</script>",
+    contentScript: "self.postMessage(document.documentElement.getAttribute('foo'))",
+    contentScriptWhen: "ready"
+  });
+}
+
+exports.testAllowScript = function(assert, done) {
+  let page = Page({
+    onMessage: function(message) {
+      assert.ok(message, "Script runs when allowed to do so.");
+      done();
+    },
+    allow: { script: true },
+    contentURL: "data:text/html;charset=utf-8,<script>document.documentElement.setAttribute('foo', 3);</script>",
+    contentScript: "self.postMessage(document.documentElement.hasAttribute('foo') && " +
+                   "                 document.documentElement.getAttribute('foo') == 3)",
+    contentScriptWhen: "ready"
+  });
+}
+
+exports.testPingPong = function(assert, done) {
+  let page = Page({
+    contentURL: 'data:text/html;charset=utf-8,ping-pong',
+    contentScript: 'self.on("message", function(message) { return self.postMessage("pong"); });'
+      + 'self.postMessage("ready");',
+    onMessage: function(message) {
+      if ('ready' == message) {
+        page.postMessage('ping');
+      }
+      else {
+        assert.ok(message, 'pong', 'Callback from contentScript');
+        done();
+      }
+    }
+  });
+};
+
+exports.testRedirect = function (assert, done) {
+  let page = Page({
+    contentURL: 'data:text/html;charset=utf-8,first-page',
+    contentScriptWhen: "end",
+    contentScript: '' +
+      'if (/first-page/.test(document.location.href)) ' +
+      '  document.location.href = "data:text/html;charset=utf-8,redirect";' +
+      'else ' +
+      '  self.port.emit("redirect", document.location.href);'
+  });
+
+  page.port.on('redirect', function (url) {
+    assert.equal(url, 'data:text/html;charset=utf-8,redirect', 'Reinjects contentScript on reload');
+    done();
+  });
+};
+
+exports.testRedirectIncludeArrays = function (assert, done) {
+  let firstURL = 'data:text/html;charset=utf-8,first-page';
+  let page = Page({
+    contentURL: firstURL,
+    contentScript: '(function () {' +
+      'self.port.emit("load", document.location.href);' +
+      '  self.port.on("redirect", function (url) {' +
+      '   document.location.href = url;' +
+      '  })' +
+      '})();',
+    include: ['about:blank', 'data:*']
+  });
+
+  page.port.on('load', function (url) {
+    if (url === firstURL) {
+      page.port.emit('redirect', 'about:blank');
+    } else if (url === 'about:blank') {
+      page.port.emit('redirect', 'about:mozilla');
+      assert.ok('`include` property handles arrays');
+      assert.equal(url, 'about:blank', 'Redirects work with accepted domains');
+      done();
+    } else if (url === 'about:mozilla') {
+      assert.fail('Should not redirect to restricted domain');
+    }
+  });
+};
+
+exports.testRedirectFromWorker = function (assert, done) {
+  let firstURL = 'data:text/html;charset=utf-8,first-page';
+  let secondURL = 'data:text/html;charset=utf-8,second-page';
+  let thirdURL = 'data:text/html;charset=utf-8,third-page';
+  let page = Page({
+    contentURL: firstURL,
+    contentScript: '(function () {' +
+      'self.port.emit("load", document.location.href);' +
+      '  self.port.on("redirect", function (url) {' +
+      '   document.location.href = url;' +
+      '  })' +
+      '})();',
+    include: 'data:*'
+  });
+
+  page.port.on('load', function (url) {
+    if (url === firstURL) {
+      page.port.emit('redirect', secondURL);
+    } else if (url === secondURL) {
+      page.port.emit('redirect', thirdURL);
+    } else if (url === thirdURL) {
+      page.port.emit('redirect', 'about:mozilla');
+      assert.equal(url, thirdURL, 'Redirects work with accepted domains on include strings');
+      done();
+    } else {
+      assert.fail('Should not redirect to unauthorized domains');
+    }
+  });
+};
+
+exports.testRedirectWithContentURL = function (assert, done) {
+  let firstURL = 'data:text/html;charset=utf-8,first-page';
+  let secondURL = 'data:text/html;charset=utf-8,second-page';
+  let thirdURL = 'data:text/html;charset=utf-8,third-page';
+  let page = Page({
+    contentURL: firstURL,
+    contentScript: '(function () {' +
+      'self.port.emit("load", document.location.href);' +
+      '})();',
+    include: 'data:*'
+  });
+
+  page.port.on('load', function (url) {
+    if (url === firstURL) {
+      page.contentURL = secondURL;
+    } else if (url === secondURL) {
+      page.contentURL = thirdURL;
+    } else if (url === thirdURL) {
+      page.contentURL = 'about:mozilla';
+      assert.equal(url, thirdURL, 'Redirects work with accepted domains on include strings');
+      done();
+    } else {
+      assert.fail('Should not redirect to unauthorized domains');
+    }
+  });
+};
+
+
+exports.testMultipleDestroys = function(assert) {
+  let page = Page();
+  page.destroy();
+  page.destroy();
+  assert.pass("Multiple destroys should not cause an error");
+};
+
+exports.testContentScriptOptionsOption = function(assert, done) {
+  let page = new Page({
+    contentScript: "self.postMessage( [typeof self.options.d, self.options] );",
+    contentScriptWhen: "end",
+    contentScriptOptions: {a: true, b: [1,2,3], c: "string", d: function(){ return 'test'}},
+    onMessage: function(msg) {
+      assert.equal(msg[0], 'undefined', 'functions are stripped from contentScriptOptions');
+      assert.equal(typeof msg[1], 'object', 'object as contentScriptOptions');
+      assert.equal(msg[1].a, true, 'boolean in contentScriptOptions');
+      assert.equal(msg[1].b.join(), '1,2,3', 'array and numbers in contentScriptOptions');
+      assert.equal(msg[1].c, 'string', 'string in contentScriptOptions');
+      done();
+    }
+  });
+};
+
+exports.testMessageQueue = function (assert, done) {
+  let page = new Page({
+    contentScript: 'self.on("message", function (m) {' +
+      'self.postMessage(m);' +
+      '});',
+    contentURL: 'data:text/html;charset=utf-8,',
+  });
+  page.postMessage('ping');
+  page.on('message', function (m) {
+    assert.equal(m, 'ping', 'postMessage should queue messages');
+    done();
+  });
+};
+
+exports.testWindowStopDontBreak = function (assert, done) {
+  const { Ci, Cc } = require('chrome');
+  const consoleService = Cc['@mozilla.org/consoleservice;1'].
+                            getService(Ci.nsIConsoleService);
+  const listener = {
+    observe: ({message}) => {
+      if (message.includes('contentWorker is null'))
+        assert.fail('contentWorker is null');
+    }
+  };
+  consoleService.registerListener(listener)
+
+  let page = new Page({
+    contentURL: 'data:text/html;charset=utf-8,testWindowStopDontBreak',
+    contentScriptWhen: 'ready',
+    contentScript: Isolate(() => {
+      window.stop();
+      self.port.on('ping', () => self.port.emit('pong'));
+    })
+  });
+
+  page.port.on('pong', () => {
+    assert.pass('page-worker works after window.stop');
+    page.destroy();
+    consoleService.unregisterListener(listener);
+    done();
+  });
+
+  page.port.emit("ping");
+};
+
+
+function isDestroyed(page) {
+  try {
+    page.postMessage("foo");
+  }
+  catch (err) {
+    if (err.message == ERR_DESTROYED) {
+      return true;
+    }
+    else {
+      throw err;
+    }
+  }
+  return false;
+}
+
+// require("sdk/test").run(exports);