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diff --git a/tools/addon-sdk-1.12/test/test-page-mod.js b/tools/addon-sdk-1.12/test/test-page-mod.js
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@@ -0,0 +1,918 @@
+/* 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";
+
+var pageMod = require("sdk/page-mod");
+var testPageMod = require("./pagemod-test-helpers").testPageMod;
+const { Loader } = require('sdk/test/loader');
+const tabs = require("sdk/tabs");
+const timer = require("sdk/timers");
+const { Cc, Ci } = require("chrome");
+const { open, getFrames, getMostRecentBrowserWindow } = require('sdk/window/utils');
+const windowUtils = require('sdk/deprecated/window-utils');
+const { getTabContentWindow, getActiveTab, openTab, closeTab } = require('sdk/tabs/utils');
+const { data } = require('self');
+
+/* XXX This can be used to delay closing the test Firefox instance for interactive
+ * testing or visual inspection. This test is registered first so that it runs
+ * the last. */
+exports.delay = function(test) {
+  if (false) {
+    test.waitUntilDone(60000);
+    timer.setTimeout(function() {test.done();}, 4000);
+  } else
+    test.pass();
+}
+
+function Isolate(worker) {
+  return "(" + worker + ")()";
+}
+
+/* Tests for the PageMod APIs */
+
+exports.testPageMod1 = function(test) {
+  let mods = testPageMod(test, "about:", [{
+      include: /about:/,
+      contentScriptWhen: 'end',
+      contentScript: 'new ' + function WorkerScope() {
+        window.document.body.setAttribute("JEP-107", "worked");
+      },
+      onAttach: function() {
+        test.assertEqual(this, mods[0], "The 'this' object is the page mod.");
+      }
+    }],
+    function(win, done) {
+      test.assertEqual(
+        win.document.body.getAttribute("JEP-107"),
+        "worked",
+        "PageMod.onReady test"
+      );
+      done();
+    }
+  );
+};
+
+exports.testPageMod2 = function(test) {
+  testPageMod(test, "about:", [{
+      include: "about:*",
+      contentScript: [
+        'new ' + function contentScript() {
+          window.AUQLUE = function() { return 42; }
+          try {
+            window.AUQLUE()
+          }
+          catch(e) {
+            throw new Error("PageMod scripts executed in order");
+          }
+          document.documentElement.setAttribute("first", "true");
+        },
+        'new ' + function contentScript() {
+          document.documentElement.setAttribute("second", "true");
+        }
+      ]
+    }], function(win, done) {
+      test.assertEqual(win.document.documentElement.getAttribute("first"),
+                       "true",
+                       "PageMod test #2: first script has run");
+      test.assertEqual(win.document.documentElement.getAttribute("second"),
+                       "true",
+                       "PageMod test #2: second script has run");
+      test.assertEqual("AUQLUE" in win, false,
+                       "PageMod test #2: scripts get a wrapped window");
+      done();
+    });
+};
+
+exports.testPageModIncludes = function(test) {
+  var asserts = [];
+  function createPageModTest(include, expectedMatch) {
+    // Create an 'onload' test function...
+    asserts.push(function(test, win) {
+      var matches = include in win.localStorage;
+      test.assert(expectedMatch ? matches : !matches,
+                  "'" + include + "' match test, expected: " + expectedMatch);
+    });
+    // ...and corresponding PageMod options
+    return {
+      include: include,
+      contentScript: 'new ' + function() {
+        self.on("message", function(msg) {
+          window.localStorage[msg] = true;
+        });
+      },
+      // The testPageMod callback with test assertions is called on 'end',
+      // and we want this page mod to be attached before it gets called,
+      // so we attach it on 'start'.
+      contentScriptWhen: 'start',
+      onAttach: function(worker) {
+        worker.postMessage(this.include[0]);
+      }
+    };
+  }
+
+  testPageMod(test, "about:buildconfig", [
+      createPageModTest("*", false),
+      createPageModTest("*.google.com", false),
+      createPageModTest("about:*", true),
+      createPageModTest("about:", false),
+      createPageModTest("about:buildconfig", true)
+    ],
+    function (win, done) {
+      test.waitUntil(function () win.localStorage["about:buildconfig"],
+                     "about:buildconfig page-mod to be executed")
+          .then(function () {
+            asserts.forEach(function(fn) {
+              fn(test, win);
+            });
+            done();
+          });
+    }
+    );
+};
+
+exports.testPageModErrorHandling = function(test) {
+  test.assertRaises(function() {
+      new pageMod.PageMod();
+    },
+    'pattern is undefined',
+    "PageMod() throws when 'include' option is not specified.");
+};
+
+/* Tests for internal functions. */
+exports.testCommunication1 = function(test) {
+  let workerDone = false,
+      callbackDone = null;
+
+  testPageMod(test, "about:", [{
+      include: "about:*",
+      contentScriptWhen: 'end',
+      contentScript: 'new ' + function WorkerScope() {
+        self.on('message', function(msg) {
+          document.body.setAttribute('JEP-107', 'worked');
+          self.postMessage(document.body.getAttribute('JEP-107'));
+        })
+      },
+      onAttach: function(worker) {
+        worker.on('error', function(e) {
+          test.fail('Errors where reported');
+        });
+        worker.on('message', function(value) {
+          test.assertEqual(
+            "worked",
+            value,
+            "test comunication"
+          );
+          workerDone = true;
+          if (callbackDone)
+            callbackDone();
+        });
+        worker.postMessage('do it!')
+      }
+    }],
+    function(win, done) {
+      (callbackDone = function() {
+        if (workerDone) {
+          test.assertEqual(
+            'worked',
+            win.document.body.getAttribute('JEP-107'),
+            'attribute should be modified'
+          );
+          done();
+        }
+      })();
+    }
+  );
+};
+
+exports.testCommunication2 = function(test) {
+  let callbackDone = null,
+      window;
+
+  testPageMod(test, "about:license", [{
+      include: "about:*",
+      contentScriptWhen: 'start',
+      contentScript: 'new ' + function WorkerScope() {
+        document.documentElement.setAttribute('AUQLUE', 42);
+        window.addEventListener('load', function listener() {
+          self.postMessage('onload');
+        }, false);
+        self.on("message", function() {
+          self.postMessage(document.documentElement.getAttribute("test"))
+        });
+      },
+      onAttach: function(worker) {
+        worker.on('error', function(e) {
+          test.fail('Errors where reported');
+        });
+        worker.on('message', function(msg) {
+          if ('onload' == msg) {
+            test.assertEqual(
+              '42',
+              window.document.documentElement.getAttribute('AUQLUE'),
+              'PageMod scripts executed in order'
+            );
+            window.document.documentElement.setAttribute('test', 'changes in window');
+            worker.postMessage('get window.test')
+          } else {
+            test.assertEqual(
+              'changes in window',
+              msg,
+              'PageMod test #2: second script has run'
+            )
+            callbackDone();
+          }
+        });
+      }
+    }],
+    function(win, done) {
+      window = win;
+      callbackDone = done;
+    }
+  );
+};
+
+exports.testEventEmitter = function(test) {
+  let workerDone = false,
+      callbackDone = null;
+
+  testPageMod(test, "about:", [{
+      include: "about:*",
+      contentScript: 'new ' + function WorkerScope() {
+        self.port.on('addon-to-content', function(data) {
+          self.port.emit('content-to-addon', data);
+        });
+      },
+      onAttach: function(worker) {
+        worker.on('error', function(e) {
+          test.fail('Errors were reported : '+e);
+        });
+        worker.port.on('content-to-addon', function(value) {
+          test.assertEqual(
+            "worked",
+            value,
+            "EventEmitter API works!"
+          );
+          if (callbackDone)
+            callbackDone();
+          else
+            workerDone = true;
+        });
+        worker.port.emit('addon-to-content', 'worked');
+      }
+    }],
+    function(win, done) {
+      if (workerDone)
+        done();
+      else
+        callbackDone = done;
+    }
+  );
+};
+
+// Execute two concurrent page mods on same document to ensure that their
+// JS contexts are different
+exports.testMixedContext = function(test) {
+  let doneCallback = null;
+  let messages = 0;
+  let modObject = {
+    include: "data:text/html;charset=utf-8,",
+    contentScript: 'new ' + function WorkerScope() {
+      // Both scripts will execute this,
+      // context is shared if one script see the other one modification.
+      let isContextShared = "sharedAttribute" in document;
+      self.postMessage(isContextShared);
+      document.sharedAttribute = true;
+    },
+    onAttach: function(w) {
+      w.on("message", function (isContextShared) {
+        if (isContextShared) {
+          test.fail("Page mod contexts are mixed.");
+          doneCallback();
+        }
+        else if (++messages == 2) {
+          test.pass("Page mod contexts are different.");
+          doneCallback();
+        }
+      });
+    }
+  };
+  testPageMod(test, "data:text/html;charset=utf-8,", [modObject, modObject],
+    function(win, done) {
+      doneCallback = done;
+    }
+  );
+};
+
+exports.testHistory = function(test) {
+  // We need a valid url in order to have a working History API.
+  // (i.e do not work on data: or about: pages)
+  // Test bug 679054.
+  let url = require("sdk/self").data.url("test-page-mod.html");
+  let callbackDone = null;
+  testPageMod(test, url, [{
+      include: url,
+      contentScriptWhen: 'end',
+      contentScript: 'new ' + function WorkerScope() {
+        history.pushState({}, "", "#");
+        history.replaceState({foo: "bar"}, "", "#");
+        self.postMessage(history.state);
+      },
+      onAttach: function(worker) {
+        worker.on('message', function (data) {
+          test.assertEqual(JSON.stringify(data), JSON.stringify({foo: "bar"}),
+                           "History API works!");
+          callbackDone();
+        });
+      }
+    }],
+    function(win, done) {
+      callbackDone = done;
+    }
+  );
+};
+
+exports.testRelatedTab = function(test) {
+  test.waitUntilDone();
+
+  let tab;
+  let { PageMod } = require("sdk/page-mod");
+  let pageMod = new PageMod({
+    include: "about:*",
+    onAttach: function(worker) {
+      test.assertEqual(tab, worker.tab, "Worker.tab is valid");
+      pageMod.destroy();
+      tab.close();
+      test.done();
+    }
+  });
+
+  tabs.open({
+    url: "about:",
+    onOpen: function onOpen(t) {
+      tab = t;
+    }
+  });
+
+};
+
+exports.testWorksWithExistingTabs = function(test) {
+  test.waitUntilDone();
+
+  let url = "data:text/html;charset=utf-8," + encodeURI("Test unique document");
+  let { PageMod } = require("sdk/page-mod");
+  tabs.open({
+    url: url,
+    onReady: function onReady(tab) {
+      let pageMod = new PageMod({
+        include: url,
+        attachTo: ["existing", "top", "frame"],
+        onAttach: function(worker) {
+          test.assertEqual(tab, worker.tab, "A worker has been created on this existing tab");
+          pageMod.destroy();
+          tab.close();
+          test.done();
+        }
+      });
+    }
+  });
+
+};
+
+exports['test tab worker on message'] = function(test) {
+  test.waitUntilDone();
+
+  let { browserWindows } = require("sdk/windows");
+  let tabs = require("sdk/tabs");
+  let { PageMod } = require("sdk/page-mod");
+
+  let url1 = "data:text/html;charset=utf-8,<title>tab1</title><h1>worker1.tab</h1>";
+  let url2 = "data:text/html;charset=utf-8,<title>tab2</title><h1>worker2.tab</h1>";
+  let worker1 = null;
+
+  let mod = PageMod({
+    include: "data:text/html*",
+    contentScriptWhen: "ready",
+    contentScript: "self.postMessage('#1');",
+    onAttach: function onAttach(worker) {
+      worker.on("message", function onMessage() {
+        this.tab.attach({
+          contentScriptWhen: "ready",
+          contentScript: "self.postMessage({ url: window.location.href, title: document.title });",
+          onMessage: function onMessage(data) {
+            test.assertEqual(this.tab.url, data.url, "location is correct");
+            test.assertEqual(this.tab.title, data.title, "title is correct");
+            if (this.tab.url === url1) {
+              worker1 = this;
+              tabs.open({ url: url2, inBackground: true });
+            }
+            else if (this.tab.url === url2) {
+              mod.destroy();
+              worker1.tab.close();
+              worker1.destroy();
+              worker.tab.close();
+              worker.destroy();
+              test.done();
+            }
+          }
+        });
+      });
+    }
+  });
+
+  tabs.open(url1);
+};
+
+exports.testAutomaticDestroy = function(test) {
+  test.waitUntilDone();
+  let loader = Loader(module);
+
+  let pageMod = loader.require("sdk/page-mod").PageMod({
+    include: "about:*",
+    contentScriptWhen: "start",
+    onAttach: function(w) {
+      test.fail("Page-mod should have been detroyed during module unload");
+    }
+  });
+
+  // Unload the page-mod module so that our page mod is destroyed
+  loader.unload();
+
+  // Then create a second tab to ensure that it is correctly destroyed
+  let tabs = require("sdk/tabs");
+  tabs.open({
+    url: "about:",
+    onReady: function onReady(tab) {
+      test.pass("check automatic destroy");
+      tab.close();
+      test.done();
+    }
+  });
+
+}
+
+exports['test attachment to tabs only'] = function(test) {
+  test.waitUntilDone();
+
+  let { PageMod } = require('sdk/page-mod');
+  let openedTab = null; // Tab opened in openTabWithIframe()
+  let workerCount = 0;
+
+  let mod = PageMod({
+    include: 'data:text/html*',
+    contentScriptWhen: 'start',
+    contentScript: '',
+    onAttach: function onAttach(worker) {
+      if (worker.tab === openedTab) {
+        if (++workerCount == 3) {
+          test.pass('Succesfully applied to tab documents and its iframe');
+          worker.destroy();
+          mod.destroy();
+          test.done();
+        }
+      }
+      else {
+        test.fail('page-mod attached to a non-tab document');
+      }
+    }
+  });
+
+  function openHiddenFrame() {
+    console.info('Open iframe in hidden window');
+    let hiddenFrames = require('sdk/frame/hidden-frame');
+    let hiddenFrame = hiddenFrames.add(hiddenFrames.HiddenFrame({
+      onReady: function () {
+        let element = this.element;
+        element.addEventListener('DOMContentLoaded', function onload() {
+          element.removeEventListener('DOMContentLoaded', onload, false);
+          hiddenFrames.remove(hiddenFrame);
+          openToplevelWindow();
+        }, false);
+        element.setAttribute('src', 'data:text/html;charset=utf-8,foo');
+      }
+    }));
+  }
+
+  function openToplevelWindow() {
+    console.info('Open toplevel window');
+    let win = open('data:text/html;charset=utf-8,bar');
+    win.addEventListener('DOMContentLoaded', function onload() {
+      win.removeEventListener('DOMContentLoaded', onload, false);
+      win.close();
+      openBrowserIframe();
+    }, false);
+  }
+
+  function openBrowserIframe() {
+    console.info('Open iframe in browser window');
+    let window = require('sdk/deprecated/window-utils').activeBrowserWindow;
+    let document = window.document;
+    let iframe = document.createElement('iframe');
+    iframe.setAttribute('type', 'content');
+    iframe.setAttribute('src', 'data:text/html;charset=utf-8,foobar');
+    iframe.addEventListener('DOMContentLoaded', function onload() {
+      iframe.removeEventListener('DOMContentLoaded', onload, false);
+      iframe.parentNode.removeChild(iframe);
+      openTabWithIframes();
+    }, false);
+    document.documentElement.appendChild(iframe);
+  }
+
+  // Only these three documents will be accepted by the page-mod
+  function openTabWithIframes() {
+    console.info('Open iframes in a tab');
+    let subContent = '<iframe src="data:text/html;charset=utf-8,sub frame" />'
+    let content = '<iframe src="data:text/html,' +
+                  encodeURIComponent(subContent) + '" />';
+    require('sdk/tabs').open({
+      url: 'data:text/html;charset=utf-8,' + encodeURIComponent(content),
+      onOpen: function onOpen(tab) {
+        openedTab = tab;
+      }
+    });
+  }
+
+  openHiddenFrame();
+};
+
+exports['test111 attachTo [top]'] = function(test) {
+  test.waitUntilDone();
+
+  let { PageMod } = require('sdk/page-mod');
+
+  let subContent = '<iframe src="data:text/html;charset=utf-8,sub frame" />'
+  let content = '<iframe src="data:text/html;charset=utf-8,' +
+                encodeURIComponent(subContent) + '" />';
+  let topDocumentURL = 'data:text/html;charset=utf-8,' + encodeURIComponent(content)
+
+  let workerCount = 0;
+
+  let mod = PageMod({
+    include: 'data:text/html*',
+    contentScriptWhen: 'start',
+    contentScript: 'self.postMessage(document.location.href);',
+    attachTo: ['top'],
+    onAttach: function onAttach(worker) {
+      if (++workerCount == 1) {
+        worker.on('message', function (href) {
+          test.assertEqual(href, topDocumentURL,
+                           "worker on top level document only");
+          worker.destroy();
+          mod.destroy();
+          test.done();
+        });
+      }
+      else {
+        test.fail('page-mod attached to a non-top document');
+      }
+    }
+  });
+
+  require('sdk/tabs').open(topDocumentURL);
+};
+
+exports['test111 attachTo [frame]'] = function(test) {
+  test.waitUntilDone();
+
+  let { PageMod } = require('sdk/page-mod');
+
+  let subFrameURL = 'data:text/html;charset=utf-8,subframe';
+  let subContent = '<iframe src="' + subFrameURL + '" />';
+  let frameURL = 'data:text/html;charset=utf-8,' + encodeURIComponent(subContent);
+  let content = '<iframe src="' + frameURL + '" />';
+  let topDocumentURL = 'data:text/html;charset=utf-8,' + encodeURIComponent(content)
+
+  let workerCount = 0, messageCount = 0;
+
+  function onMessage(href) {
+    if (href == frameURL)
+      test.pass("worker on first frame");
+    else if (href == subFrameURL)
+      test.pass("worker on second frame");
+    else
+      test.fail("worker on unexpected document: " + href);
+    this.destroy();
+    if (++messageCount == 2) {
+      mod.destroy();
+      test.done();
+    }
+  }
+  let mod = PageMod({
+    include: 'data:text/html*',
+    contentScriptWhen: 'start',
+    contentScript: 'self.postMessage(document.location.href);',
+    attachTo: ['frame'],
+    onAttach: function onAttach(worker) {
+      if (++workerCount <= 2) {
+        worker.on('message', onMessage);
+      }
+      else {
+        test.fail('page-mod attached to a non-frame document');
+      }
+    }
+  });
+
+  require('sdk/tabs').open(topDocumentURL);
+};
+
+exports.testContentScriptOptionsOption = function(test) {
+	test.waitUntilDone();
+
+  let callbackDone = null;
+  testPageMod(test, "about:", [{
+      include: "about:*",
+      contentScript: "self.postMessage( [typeof self.options.d, self.options] );",
+      contentScriptWhen: "end",
+      contentScriptOptions: {a: true, b: [1,2,3], c: "string", d: function(){ return 'test'}},
+      onAttach: function(worker) {
+        worker.on('message', function(msg) {
+          test.assertEqual( msg[0], 'undefined', 'functions are stripped from contentScriptOptions' );
+          test.assertEqual( typeof msg[1], 'object', 'object as contentScriptOptions' );
+          test.assertEqual( msg[1].a, true, 'boolean in contentScriptOptions' );
+          test.assertEqual( msg[1].b.join(), '1,2,3', 'array and numbers in contentScriptOptions' );
+          test.assertEqual( msg[1].c, 'string', 'string in contentScriptOptions' );
+          callbackDone();
+        });
+      }
+    }],
+    function(win, done) {
+      callbackDone = done;
+    }
+  );
+};
+
+exports.testPageModCss = function(test) {
+  let [pageMod] = testPageMod(test,
+    'data:text/html;charset=utf-8,<div style="background: silver">css test</div>', [{
+      include: "data:*",
+      contentStyle: "div { height: 100px; }",
+      contentStyleFile:
+        require("sdk/self").data.url("pagemod-css-include-file.css")
+    }],
+    function(win, done) {
+      let div = win.document.querySelector("div");
+      test.assertEqual(
+        div.clientHeight,
+        100,
+        "PageMod contentStyle worked"
+      );
+      test.assertEqual(
+       div.offsetHeight,
+        120,
+        "PageMod contentStyleFile worked"
+      );
+      done();
+    }
+  );
+};
+
+exports.testPageModCssList = function(test) {
+  let [pageMod] = testPageMod(test,
+    'data:text/html;charset=utf-8,<div style="width:320px; max-width: 480px!important">css test</div>', [{
+      include: "data:*",
+      contentStyleFile: [
+        // Highlight evaluation order in this list
+        "data:text/css;charset=utf-8,div { border: 1px solid black; }",
+        "data:text/css;charset=utf-8,div { border: 10px solid black; }",
+        // Highlight evaluation order between contentStylesheet & contentStylesheetFile
+        "data:text/cs;charset=utf-8s,div { height: 1000px; }",
+        // Highlight precedence between the author and user style sheet
+        "data:text/css;charset=utf-8,div { width: 200px; max-width: 640px!important}",
+      ],
+      contentStyle: [
+        "div { height: 10px; }",
+        "div { height: 100px; }"
+      ]
+    }],
+    function(win, done) {
+      let div = win.document.querySelector("div"),
+          style = win.getComputedStyle(div);
+
+      test.assertEqual(
+       div.clientHeight,
+        100,
+        "PageMod contentStyle list works and is evaluated after contentStyleFile"
+      );
+
+      test.assertEqual(
+        div.offsetHeight,
+        120,
+        "PageMod contentStyleFile list works"
+      );
+
+      test.assertEqual(
+        style.width,
+        "320px",
+        "PageMod author/user style sheet precedence works"
+      );
+
+      test.assertEqual(
+        style.maxWidth,
+        "640px",
+        "PageMod author/user style sheet precedence with !important works"
+      );
+
+      done();
+    }
+  );
+};
+
+exports.testPageModCssDestroy = function(test) {
+  let [pageMod] = testPageMod(test,
+    'data:text/html;charset=utf-8,<div style="width:200px">css test</div>', [{
+      include: "data:*",
+      contentStyle: "div { width: 100px!important; }"
+    }],
+
+    function(win, done) {
+      let div = win.document.querySelector("div"),
+          style = win.getComputedStyle(div);
+
+      test.assertEqual(
+        style.width,
+        "100px",
+        "PageMod contentStyle worked"
+      );
+
+      pageMod.destroy();
+      test.assertEqual(
+        style.width,
+        "200px",
+        "PageMod contentStyle is removed after destroy"
+      );
+
+      done();
+
+    }
+  );
+};
+
+exports.testPageModCssAutomaticDestroy = function(test) {
+  test.waitUntilDone();
+  let loader = Loader(module);
+
+  let pageMod = loader.require("page-mod").PageMod({
+    include: "data:*",
+    contentStyle: "div { width: 100px!important; }"
+  });
+
+  tabs.open({
+    url: "data:text/html;charset=utf-8,<div style='width:200px'>css test</div>",
+
+    onReady: function onReady(tab) {
+      let browserWindow = windowUtils.activeBrowserWindow;
+      let win = getTabContentWindow(getActiveTab(browserWindow));
+
+      let div = win.document.querySelector("div"),
+          style = win.getComputedStyle(div);
+
+      test.assertEqual(
+        style.width,
+        "100px",
+        "PageMod contentStyle worked"
+      );
+
+      loader.unload();
+
+      test.assertEqual(
+        style.width,
+        "200px",
+        "PageMod contentStyle is removed after loader's unload"
+      );
+
+      tab.close();
+      test.done();
+    }
+  });
+};
+
+
+exports.testPageModTimeout = function(test) {
+  test.waitUntilDone();
+  let tab = null
+  let loader = Loader(module);
+  let { PageMod } = loader.require("page-mod");
+
+  let mod = PageMod({
+    include: "data:*",
+    contentScript: Isolate(function() {
+      var id = setTimeout(function() {
+        self.port.emit("fired", id)
+      }, 10)
+      self.port.emit("scheduled", id);
+    }),
+    onAttach: function(worker) {
+      worker.port.on("scheduled", function(id) {
+        test.pass("timer was scheduled")
+        worker.port.on("fired", function(data) {
+          test.assertEqual(id, data, "timer was fired")
+          tab.close()
+          worker.destroy()
+          loader.unload()
+          test.done()
+        })
+      })
+    }
+  });
+
+  tabs.open({
+    url: "data:text/html;charset=utf-8,timeout",
+    onReady: function($) { tab = $ }
+  })
+}
+
+
+exports.testPageModcancelTimeout = function(test) {
+  test.waitUntilDone();
+  let tab = null
+  let loader = Loader(module);
+  let { PageMod } = loader.require("page-mod");
+
+  let mod = PageMod({
+    include: "data:*",
+    contentScript: Isolate(function() {
+      var id1 = setTimeout(function() {
+        self.port.emit("failed")
+      }, 10)
+      var id2 = setTimeout(function() {
+        self.port.emit("timeout")
+      }, 100)
+      clearTimeout(id1)
+    }),
+    onAttach: function(worker) {
+      worker.port.on("failed", function() {
+        test.fail("cancelled timeout fired")
+      })
+      worker.port.on("timeout", function(id) {
+        test.pass("timer was scheduled")
+        tab.close()
+        worker.destroy()
+        loader.unload()
+        test.done()
+      })
+    }
+  });
+
+  tabs.open({
+    url: "data:text/html;charset=utf-8,cancell timeout",
+    onReady: function($) { tab = $ }
+  })
+}
+
+exports.testBug803529 = function(test) {
+  test.waitUntilDone();
+
+  let subIFrame = '<iframe src="data:text/html;charset=utf-8,sub frame" />'
+  let iFrame = '<iframe src="data:text/html;charset=utf-8,' + encodeURIComponent(subIFrame) + '" />';
+  let url = 'data:text/html;charset=utf-8,' + encodeURIComponent(iFrame)
+
+  let counter = 0;
+  let tab = openTab(getMostRecentBrowserWindow(), url);
+  let window = getTabContentWindow(tab);
+
+  function wait4Iframes() {
+    if (window.document.readyState != "complete" ||
+        getFrames(window).length != 2) {
+      return;
+    }
+
+    let pagemod = pageMod.PageMod({
+      include: ["*", "data:*"],
+      attachTo: ["existing", "frame"],
+      contentScriptWhen: 'ready',
+      onAttach: function(mod) {
+        if (++counter != 2) return;
+        test.pass('page mod attached to iframe');
+        timer.setTimeout(function() {
+          pagemod.destroy();
+          closeTab(tab);
+          test.done();
+        }, 0);
+      }
+    });
+  }
+
+  window.addEventListener("load", wait4Iframes, false);
+};
+
+exports.testIFramePostMessage = function(test) {
+  test.waitUntilDone();
+
+  tabs.open({
+    url: data.url("test-iframe.html"),
+    onReady: function(tab) {
+      var worker = tab.attach({
+        contentScriptFile: data.url('test-iframe.js'),
+        contentScript: ' var iframePath = \'' + data.url('test-iframe-postmessage.html') + '\'',
+        onMessage: function(msg) {
+          test.assertEqual(msg.first, 'a string');
+          test.assert(msg.second[1], "array");
+          test.assertEqual(typeof msg.third, 'object');
+
+          worker.destroy();
+          tab.close(function() test.done());
+        }
+      });
+    }
+  });
+};