Merge branch 'ext-work'

1 files changed, 0 insertions, 3763 deletions

diff --git a/addon-sdk/source/test/test-context-menu.js b/addon-sdk/source/test/test-context-menu.js
deleted file mode 100644
index f1a955545..000000000
--- a/addon-sdk/source/test/test-context-menu.js
+++ /dev/null
@@ -1,3763 +0,0 @@
-/* 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';
-
-require("sdk/context-menu");
-
-const { defer } = require("sdk/core/promise");
-const { isTravisCI } = require("sdk/test/utils");
-const packaging = require('@loader/options');
-
-// These should match the same constants in the module.
-const OVERFLOW_THRESH_DEFAULT = 10;
-const OVERFLOW_THRESH_PREF =
-  "extensions.addon-sdk.context-menu.overflowThreshold";
-
-const TEST_DOC_URL = module.uri.replace(/\.js$/, ".html");
-const data = require("./fixtures");
-
-const { TestHelper } = require("./context-menu/test-helper.js")
-
-// Tests that when present the separator is placed before the separator from
-// the old context-menu module
-exports.testSeparatorPosition = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  // Create the old separator
-  let oldSeparator = test.contextMenuPopup.ownerDocument.createElement("menuseparator");
-  oldSeparator.id = "jetpack-context-menu-separator";
-  test.contextMenuPopup.appendChild(oldSeparator);
-
-  // Create an item.
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-    assert.equal(test.contextMenuSeparator.nextSibling.nextSibling, oldSeparator,
-                     "New separator should appear before the old one");
-    test.contextMenuPopup.removeChild(oldSeparator);
-    test.done();
-  });
-};
-
-// Destroying items that were previously created should cause them to be absent
-// from the menu.
-exports.testConstructDestroy = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  // Create an item.
-  let item = new loader.cm.Item({ label: "item" });
-  assert.equal(item.parentMenu, loader.cm.contentContextMenu,
-                   "item's parent menu should be correct");
-
-  test.showMenu(null, function (popup) {
-
-    // It should be present when the menu is shown.
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    // Destroy the item.  Multiple destroys should be harmless.
-    item.destroy();
-    item.destroy();
-    test.showMenu(null, function (popup) {
-
-      // It should be removed from the menu.
-      test.checkMenu([item], [], [item]);
-      test.done();
-    });
-  });
-};
-
-
-// Destroying an item twice should not cause an error.
-exports.testDestroyTwice = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-  item.destroy();
-  item.destroy();
-
-  test.pass("Destroying an item twice should not cause an error.");
-  test.done();
-};
-
-
-// CSS selector contexts should cause their items to be present in the menu
-// when the menu is invoked on nodes that match the selectors.
-exports.testSelectorContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    data: "item",
-    context: loader.cm.SelectorContext("img")
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// CSS selector contexts should cause their items to be present in the menu
-// when the menu is invoked on nodes that have ancestors that match the
-// selectors.
-exports.testSelectorAncestorContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    data: "item",
-    context: loader.cm.SelectorContext("a[href]")
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#span-link", function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// CSS selector contexts should cause their items to be absent from the menu
-// when the menu is not invoked on nodes that match or have ancestors that
-// match the selectors.
-exports.testSelectorContextNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    data: "item",
-    context: loader.cm.SelectorContext("img")
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [item], []);
-    test.done();
-  });
-};
-
-
-// Page contexts should cause their items to be present in the menu when the
-// menu is not invoked on an active element.
-exports.testPageContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({
-      label: "item 0"
-    }),
-    new loader.cm.Item({
-      label: "item 1",
-      context: undefined
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.PageContext()
-    }),
-    new loader.cm.Item({
-      label: "item 3",
-      context: [loader.cm.PageContext()]
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Page contexts should cause their items to be absent from the menu when the
-// menu is invoked on an active element.
-exports.testPageContextNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({
-      label: "item 0"
-    }),
-    new loader.cm.Item({
-      label: "item 1",
-      context: undefined
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.PageContext()
-    }),
-    new loader.cm.Item({
-      label: "item 3",
-      context: [loader.cm.PageContext()]
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-
-// Selection contexts should cause items to appear when a selection exists.
-exports.testSelectionContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    window.getSelection().selectAllChildren(doc.body);
-    test.showMenu(null, function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Selection contexts should cause items to appear when a selection exists in
-// a text field.
-exports.testSelectionContextMatchInTextField = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.selectRange("#textfield", 0, null);
-    test.showMenu("#textfield", function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Selection contexts should not cause items to appear when a selection does
-// not exist in a text field.
-exports.testSelectionContextNoMatchInTextField = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.selectRange("#textfield", 0, 0);
-    test.showMenu("#textfield", function (popup) {
-      test.checkMenu([item], [item], []);
-      test.done();
-    });
-  });
-};
-
-
-// Selection contexts should not cause items to appear when a selection does
-// not exist.
-exports.testSelectionContextNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [item], []);
-    test.done();
-  });
-};
-
-
-// Selection contexts should cause items to appear when a selection exists even
-// for newly opened pages
-exports.testSelectionContextInNewTab = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    let link = doc.getElementById("targetlink");
-    link.click();
-
-    let tablistener = event => {
-      this.tabBrowser.tabContainer.removeEventListener("TabOpen", tablistener, false);
-      let tab = event.target;
-      let browser = tab.linkedBrowser;
-      this.loadFrameScript(browser);
-      this.delayedEventListener(browser, "load", () => {
-        let window = browser.contentWindow;
-        let doc = browser.contentDocument;
-        window.getSelection().selectAllChildren(doc.body);
-
-        test.showMenu(null, function (popup) {
-          test.checkMenu([item], [], []);
-          popup.hidePopup();
-
-          test.tabBrowser.removeTab(test.tabBrowser.selectedTab);
-          test.tabBrowser.selectedTab = test.tab;
-
-          test.showMenu(null, function (popup) {
-            test.checkMenu([item], [item], []);
-            test.done();
-          });
-        });
-      }, true);
-    };
-    this.tabBrowser.tabContainer.addEventListener("TabOpen", tablistener, false);
-  });
-};
-
-
-// Selection contexts should work when right clicking a form button
-exports.testSelectionContextButtonMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    window.getSelection().selectAllChildren(doc.body);
-    test.showMenu("#button", function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-//Selection contexts should work when right clicking a form button
-exports.testSelectionContextButtonNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "item",
-    context: loader.cm.SelectionContext()
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#button", function (popup) {
-      test.checkMenu([item], [item], []);
-      test.done();
-    });
-  });
-};
-
-
-// URL contexts should cause items to appear on pages that match.
-exports.testURLContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    loader.cm.Item({
-      label: "item 0",
-      context: loader.cm.URLContext(TEST_DOC_URL)
-    }),
-    loader.cm.Item({
-      label: "item 1",
-      context: loader.cm.URLContext([TEST_DOC_URL, "*.bogus.com"])
-    }),
-    loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.URLContext([new RegExp(".*\\.html")])
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// URL contexts should not cause items to appear on pages that do not match.
-exports.testURLContextNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    loader.cm.Item({
-      label: "item 0",
-      context: loader.cm.URLContext("*.bogus.com")
-    }),
-    loader.cm.Item({
-      label: "item 1",
-      context: loader.cm.URLContext(["*.bogus.com", "*.gnarly.com"])
-    }),
-    loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.URLContext([new RegExp(".*\\.js")])
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-
-// Loading a new page in the same tab should correctly start a new worker for
-// any content scripts
-exports.testPageReload = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({
-    label: "Item",
-    contentScript: "var doc = document; self.on('context', node => doc.body.getAttribute('showItem') == 'true');"
-  });
-
-  test.withTestDoc(function (window, doc) {
-    // Set a flag on the document that the item uses
-    doc.body.setAttribute("showItem", "true");
-
-    test.showMenu(null, function (popup) {
-      // With the attribute true the item should be visible in the menu
-      test.checkMenu([item], [], []);
-      test.hideMenu(function() {
-        let browser = this.tabBrowser.getBrowserForTab(this.tab)
-        test.delayedEventListener(browser, "load", function() {
-          test.delayedEventListener(browser, "load", function() {
-            window = browser.contentWindow;
-            doc = window.document;
-
-            // Set a flag on the document that the item uses
-            doc.body.setAttribute("showItem", "false");
-
-            test.showMenu(null, function (popup) {
-              // In the new document with the attribute false the item should be
-              // hidden, but if the contentScript hasn't been reloaded it will
-              // still see the old value
-              test.checkMenu([item], [item], []);
-
-              test.done();
-            });
-          }, true);
-          browser.loadURI(TEST_DOC_URL, null, null);
-        }, true);
-        // Required to make sure we load a new page in history rather than
-        // just reloading the current page which would unload it
-        browser.loadURI("about:blank", null, null);
-      });
-    });
-  });
-};
-
-// Closing a page after it's been used with a worker should cause the worker
-// to be destroyed
-/*exports.testWorkerDestroy = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let loadExpected = false;
-
-  let item = loader.cm.Item({
-    label: "item",
-    contentScript: 'self.postMessage("loaded"); self.on("detach", function () { console.log("saw detach"); self.postMessage("detach") });',
-    onMessage: function (msg) {
-      switch (msg) {
-      case "loaded":
-        assert.ok(loadExpected, "Should have seen the load event at the right time");
-        loadExpected = false;
-        break;
-      case "detach":
-        test.done();
-        break;
-      }
-    }
-  });
-
-  test.withTestDoc(function (window, doc) {
-    loadExpected = true;
-    test.showMenu(null, function (popup) {
-      assert.ok(!loadExpected, "Should have seen a message");
-
-      test.checkMenu([item], [], []);
-
-      test.closeTab();
-    });
-  });
-};*/
-
-
-// Content contexts that return true should cause their items to be present
-// in the menu.
-exports.testContentContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => true);'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    test.done();
-  });
-};
-
-
-// Content contexts that return false should cause their items to be absent
-// from the menu.
-exports.testContentContextNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => false);'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [item], []);
-    test.done();
-  });
-};
-
-
-// Content contexts that return undefined should cause their items to be absent
-// from the menu.
-exports.testContentContextUndefined = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", function () {});'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [item], []);
-    test.done();
-  });
-};
-
-
-// Content contexts that return an empty string should cause their items to be
-// absent from the menu and shouldn't wipe the label
-exports.testContentContextEmptyString = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => "");'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [item], []);
-    assert.equal(item.label, "item", "Label should still be correct");
-    test.done();
-  });
-};
-
-
-// If any content contexts returns true then their items should be present in
-// the menu.
-exports.testMultipleContentContextMatch1 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => true); ' +
-                   'self.on("context", () => false);',
-    onMessage: function() {
-      test.fail("Should not have called the second context listener");
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    test.done();
-  });
-};
-
-
-// If any content contexts returns true then their items should be present in
-// the menu.
-exports.testMultipleContentContextMatch2 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => false); ' +
-                   'self.on("context", () => true);'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    test.done();
-  });
-};
-
-
-// If any content contexts returns a string then their items should be present
-// in the menu.
-exports.testMultipleContentContextString1 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => "new label"); ' +
-                   'self.on("context", () => false);'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    assert.equal(item.label, "new label", "Label should have changed");
-    test.done();
-  });
-};
-
-
-// If any content contexts returns a string then their items should be present
-// in the menu.
-exports.testMultipleContentContextString2 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => false); ' +
-                   'self.on("context", () => "new label");'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    assert.equal(item.label, "new label", "Label should have changed");
-    test.done();
-  });
-};
-
-
-// If many content contexts returns a string then the first should take effect
-exports.testMultipleContentContextString3 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", () => "new label 1"); ' +
-                   'self.on("context", () => "new label 2");'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    assert.equal(item.label, "new label 1", "Label should have changed");
-    test.done();
-  });
-};
-
-
-// Content contexts that return true should cause their items to be present
-// in the menu when context clicking an active element.
-exports.testContentContextMatchActiveElement = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({
-      label: "item 1",
-      contentScript: 'self.on("context", () => true);'
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: undefined,
-      contentScript: 'self.on("context", () => true);'
-    }),
-    // These items will always be hidden by the declarative usage of PageContext
-    new loader.cm.Item({
-      label: "item 3",
-      context: loader.cm.PageContext(),
-      contentScript: 'self.on("context", () => true);'
-    }),
-    new loader.cm.Item({
-      label: "item 4",
-      context: [loader.cm.PageContext()],
-      contentScript: 'self.on("context", () => true);'
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, [items[2], items[3]], []);
-      test.done();
-    });
-  });
-};
-
-
-// Content contexts that return false should cause their items to be absent
-// from the menu when context clicking an active element.
-exports.testContentContextNoMatchActiveElement = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({
-      label: "item 1",
-      contentScript: 'self.on("context", () => false);'
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: undefined,
-      contentScript: 'self.on("context", () => false);'
-    }),
-    // These items will always be hidden by the declarative usage of PageContext
-    new loader.cm.Item({
-      label: "item 3",
-      context: loader.cm.PageContext(),
-      contentScript: 'self.on("context", () => false);'
-    }),
-    new loader.cm.Item({
-      label: "item 4",
-      context: [loader.cm.PageContext()],
-      contentScript: 'self.on("context", () => false);'
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-
-// Content contexts that return undefined should cause their items to be absent
-// from the menu when context clicking an active element.
-exports.testContentContextNoMatchActiveElement = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({
-      label: "item 1",
-      contentScript: 'self.on("context", () => {});'
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: undefined,
-      contentScript: 'self.on("context", () => {});'
-    }),
-    // These items will always be hidden by the declarative usage of PageContext
-    new loader.cm.Item({
-      label: "item 3",
-      context: loader.cm.PageContext(),
-      contentScript: 'self.on("context", () => {});'
-    }),
-    new loader.cm.Item({
-      label: "item 4",
-      context: [loader.cm.PageContext()],
-      contentScript: 'self.on("context", () => {});'
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-
-// Content contexts that return a string should cause their items to be present
-// in the menu and the items' labels to be updated.
-exports.testContentContextMatchString = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "first label",
-    contentScript: 'self.on("context", () => "second label");'
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    assert.equal(item.label, "second label",
-                     "item's label should be updated");
-    test.done();
-  });
-};
-
-
-// Ensure that contentScriptFile is working correctly
-exports.testContentScriptFile = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let { defer, all } = require("sdk/core/promise");
-  let itemScript = [defer(), defer()];
-  let menuShown = defer();
-  let menuPromises = itemScript.concat(menuShown).map(({promise}) => promise);
-
-  // Reject remote files
-  assert.throws(function() {
-      new loader.cm.Item({
-        label: "item",
-        contentScriptFile: "http://mozilla.com/context-menu.js"
-      });
-    },
-    /The `contentScriptFile` option must be a local URL or an array of URLs/,
-    "Item throws when contentScriptFile is a remote URL");
-
-  // But accept files from data folder
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScriptFile: data.url("test-contentScriptFile.js"),
-    onMessage: (message) => {
-      assert.equal(message, "msg from contentScriptFile",
-        "contentScriptFile loaded with absolute url");
-      itemScript[0].resolve();
-    }
-  });
-
-  let item2 = new loader.cm.Item({
-    label: "item2",
-    contentScriptFile: "./test-contentScriptFile.js",
-    onMessage: (message) => {
-      assert.equal(message, "msg from contentScriptFile",
-        "contentScriptFile loaded with relative url");
-      itemScript[1].resolve();
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item, item2], [], []);
-    menuShown.resolve();
-  });
-
-  all(menuPromises).then(() => test.done());
-};
-
-
-// The args passed to context listeners should be correct.
-exports.testContentContextArgs = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let callbacks = 0;
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'self.on("context", function (node) {' +
-                   '  self.postMessage(node.tagName);' +
-                   '  return false;' +
-                   '});',
-    onMessage: function (tagName) {
-      assert.equal(tagName, "HTML", "node should be an HTML element");
-      if (++callbacks == 2) test.done();
-    }
-  });
-
-  test.showMenu(null, function () {
-    if (++callbacks == 2) test.done();
-  });
-};
-
-// Multiple contexts imply intersection, not union.
-exports.testMultipleContexts = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    context: [loader.cm.SelectorContext("a[href]"), loader.cm.PageContext()],
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#span-link", function (popup) {
-      test.checkMenu([item], [item], []);
-      test.done();
-    });
-  });
-};
-
-// Once a context is removed, it should no longer cause its item to appear.
-exports.testRemoveContext = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let ctxt = loader.cm.SelectorContext("img");
-  let item = new loader.cm.Item({
-    label: "item",
-    context: ctxt
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-
-      // The item should be present at first.
-      test.checkMenu([item], [], []);
-      popup.hidePopup();
-
-      // Remove the img context and check again.
-      item.context.remove(ctxt);
-      test.showMenu("#image", function (popup) {
-        test.checkMenu([item], [item], []);
-        test.done();
-      });
-    });
-  });
-};
-
-// Once a context is removed, it should no longer cause its item to appear.
-exports.testSetContextRemove = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let ctxt = loader.cm.SelectorContext("img");
-  let item = new loader.cm.Item({
-    label: "item",
-    context: ctxt
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-
-      // The item should be present at first.
-      test.checkMenu([item], [], []);
-      popup.hidePopup();
-
-      // Remove the img context and check again.
-      item.context = [];
-      test.showMenu("#image", function (popup) {
-        test.checkMenu([item], [item], []);
-        test.done();
-      });
-    });
-  });
-};
-
-// Once a context is added, it should affect whether the item appears.
-exports.testAddContext = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let ctxt = loader.cm.SelectorContext("img");
-  let item = new loader.cm.Item({
-    label: "item"
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-
-      // The item should not be present at first.
-      test.checkMenu([item], [item], []);
-      popup.hidePopup();
-
-      // Add the img context and check again.
-      item.context.add(ctxt);
-      test.showMenu("#image", function (popup) {
-        test.checkMenu([item], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-// Once a context is added, it should affect whether the item appears.
-exports.testSetContextAdd = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let ctxt = loader.cm.SelectorContext("img");
-  let item = new loader.cm.Item({
-    label: "item"
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-
-      // The item should not be present at first.
-      test.checkMenu([item], [item], []);
-      popup.hidePopup();
-
-      // Add the img context and check again.
-      item.context = [ctxt];
-      test.showMenu("#image", function (popup) {
-        test.checkMenu([item], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-// Lots of items should overflow into the overflow submenu.
-exports.testOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [];
-  for (let i = 0; i < OVERFLOW_THRESH_DEFAULT + 1; i++) {
-    let item = new loader.cm.Item({ label: "item " + i });
-    items.push(item);
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Module unload should cause all items to be removed.
-exports.testUnload = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain the item.
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    // Unload the module.
-    loader.unload();
-    test.showMenu(null, function (popup) {
-
-      // The item should be removed from the menu.
-      test.checkMenu([item], [], [item]);
-      test.done();
-    });
-  });
-};
-
-
-// Using multiple module instances to add items without causing overflow should
-// work OK.  Assumes OVERFLOW_THRESH_DEFAULT >= 2.
-exports.testMultipleModulesAdd = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  // Use each module to add an item, then unload each module in turn.
-  let item0 = new loader0.cm.Item({ label: "item 0" });
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain both items.
-    test.checkMenu([item0, item1], [], []);
-    popup.hidePopup();
-
-    // Unload the first module.
-    loader0.unload();
-    test.showMenu(null, function (popup) {
-
-      // The first item should be removed from the menu.
-      test.checkMenu([item0, item1], [], [item0]);
-      popup.hidePopup();
-
-      // Unload the second module.
-      loader1.unload();
-      test.showMenu(null, function (popup) {
-
-        // Both items should be removed from the menu.
-        test.checkMenu([item0, item1], [], [item0, item1]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Using multiple module instances to add items causing overflow should work OK.
-exports.testMultipleModulesAddOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  // Use module 0 to add OVERFLOW_THRESH_DEFAULT items.
-  let items0 = [];
-  for (let i = 0; i < OVERFLOW_THRESH_DEFAULT; i++) {
-    let item = new loader0.cm.Item({ label: "item 0 " + i });
-    items0.push(item);
-  }
-
-  // Use module 1 to add one item.
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  let allItems = items0.concat(item1);
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain all items in overflow.
-    test.checkMenu(allItems, [], []);
-    popup.hidePopup();
-
-    // Unload the first module.
-    loader0.unload();
-    test.showMenu(null, function (popup) {
-
-      // The first items should be removed from the menu, which should not
-      // overflow.
-      test.checkMenu(allItems, [], items0);
-      popup.hidePopup();
-
-      // Unload the second module.
-      loader1.unload();
-      test.showMenu(null, function (popup) {
-
-        // All items should be removed from the menu.
-        test.checkMenu(allItems, [], allItems);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Using multiple module instances to modify the menu without causing overflow
-// should work OK.  This test creates two loaders and:
-// loader0 create item -> loader1 create item -> loader0.unload ->
-// loader1.unload
-exports.testMultipleModulesDiffContexts1 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item0 = new loader0.cm.Item({
-    label: "item 0",
-    context: loader0.cm.SelectorContext("img")
-  });
-
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain item1.
-    test.checkMenu([item0, item1], [item0], []);
-    popup.hidePopup();
-
-    // Unload module 0.
-    loader0.unload();
-    test.showMenu(null, function (popup) {
-
-      // item0 should be removed from the menu.
-      test.checkMenu([item0, item1], [], [item0]);
-      popup.hidePopup();
-
-      // Unload module 1.
-      loader1.unload();
-      test.showMenu(null, function (popup) {
-
-        // Both items should be removed from the menu.
-        test.checkMenu([item0, item1], [], [item0, item1]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Using multiple module instances to modify the menu without causing overflow
-// should work OK.  This test creates two loaders and:
-// loader1 create item -> loader0 create item -> loader0.unload ->
-// loader1.unload
-exports.testMultipleModulesDiffContexts2 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  let item0 = new loader0.cm.Item({
-    label: "item 0",
-    context: loader0.cm.SelectorContext("img")
-  });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain item1.
-    test.checkMenu([item0, item1], [item0], []);
-    popup.hidePopup();
-
-    // Unload module 0.
-    loader0.unload();
-    test.showMenu(null, function (popup) {
-
-      // item0 should be removed from the menu.
-      test.checkMenu([item0, item1], [], [item0]);
-      popup.hidePopup();
-
-      // Unload module 1.
-      loader1.unload();
-      test.showMenu(null, function (popup) {
-
-        // Both items should be removed from the menu.
-        test.checkMenu([item0, item1], [], [item0, item1]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Using multiple module instances to modify the menu without causing overflow
-// should work OK.  This test creates two loaders and:
-// loader0 create item -> loader1 create item -> loader1.unload ->
-// loader0.unload
-exports.testMultipleModulesDiffContexts3 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item0 = new loader0.cm.Item({
-    label: "item 0",
-    context: loader0.cm.SelectorContext("img")
-  });
-
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain item1.
-    test.checkMenu([item0, item1], [item0], []);
-    popup.hidePopup();
-
-    // Unload module 1.
-    loader1.unload();
-    test.showMenu(null, function (popup) {
-
-      // item1 should be removed from the menu.
-      test.checkMenu([item0, item1], [item0], [item1]);
-      popup.hidePopup();
-
-      // Unload module 0.
-      loader0.unload();
-      test.showMenu(null, function (popup) {
-
-        // Both items should be removed from the menu.
-        test.checkMenu([item0, item1], [], [item0, item1]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Using multiple module instances to modify the menu without causing overflow
-// should work OK.  This test creates two loaders and:
-// loader1 create item -> loader0 create item -> loader1.unload ->
-// loader0.unload
-exports.testMultipleModulesDiffContexts4 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  let item0 = new loader0.cm.Item({
-    label: "item 0",
-    context: loader0.cm.SelectorContext("img")
-  });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain item1.
-    test.checkMenu([item0, item1], [item0], []);
-    popup.hidePopup();
-
-    // Unload module 1.
-    loader1.unload();
-    test.showMenu(null, function (popup) {
-
-      // item1 should be removed from the menu.
-      test.checkMenu([item0, item1], [item0], [item1]);
-      popup.hidePopup();
-
-      // Unload module 0.
-      loader0.unload();
-      test.showMenu(null, function (popup) {
-
-        // Both items should be removed from the menu.
-        test.checkMenu([item0, item1], [], [item0, item1]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Test interactions between a loaded module, unloading another module, and the
-// menu separator and overflow submenu.
-exports.testMultipleModulesAddRemove = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item = new loader0.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain the item.
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    // Remove the item.
-    item.destroy();
-    test.showMenu(null, function (popup) {
-
-      // The item should be removed from the menu.
-      test.checkMenu([item], [], [item]);
-      popup.hidePopup();
-
-      // Unload module 1.
-      loader1.unload();
-      test.showMenu(null, function (popup) {
-
-        // There shouldn't be any errors involving the menu separator or
-        // overflow submenu.
-        test.checkMenu([item], [], [item]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Checks that the order of menu items is correct when adding/removing across
-// multiple modules. All items from a single module should remain in a group
-exports.testMultipleModulesOrder = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  // Use each module to add an item, then unload each module in turn.
-  let item0 = new loader0.cm.Item({ label: "item 0" });
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain both items.
-    test.checkMenu([item0, item1], [], []);
-    popup.hidePopup();
-
-    let item2 = new loader0.cm.Item({ label: "item 2" });
-
-    test.showMenu(null, function (popup) {
-
-      // The new item should be grouped with the same items from loader0.
-      test.checkMenu([item0, item2, item1], [], []);
-      popup.hidePopup();
-
-      let item3 = new loader1.cm.Item({ label: "item 3" });
-
-      test.showMenu(null, function (popup) {
-
-        // Same again
-        test.checkMenu([item0, item2, item1, item3], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Checks that the order of menu items is correct when adding/removing across
-// multiple modules when overflowing. All items from a single module should
-// remain in a group
-exports.testMultipleModulesOrderOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 0);
-
-  // Use each module to add an item, then unload each module in turn.
-  let item0 = new loader0.cm.Item({ label: "item 0" });
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-
-    // The menu should contain both items.
-    test.checkMenu([item0, item1], [], []);
-    popup.hidePopup();
-
-    let item2 = new loader0.cm.Item({ label: "item 2" });
-
-    test.showMenu(null, function (popup) {
-
-      // The new item should be grouped with the same items from loader0.
-      test.checkMenu([item0, item2, item1], [], []);
-      popup.hidePopup();
-
-      let item3 = new loader1.cm.Item({ label: "item 3" });
-
-      test.showMenu(null, function (popup) {
-
-        // Same again
-        test.checkMenu([item0, item2, item1, item3], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Checks that if a module's items are all hidden then the overflow menu doesn't
-// get hidden
-exports.testMultipleModulesOverflowHidden = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 0);
-
-  // Use each module to add an item, then unload each module in turn.
-  let item0 = new loader0.cm.Item({ label: "item 0" });
-  let item1 = new loader1.cm.Item({
-    label: "item 1",
-    context: loader1.cm.SelectorContext("a")
-  });
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu([item0, item1], [item1], []);
-    test.done();
-  });
-};
-
-
-// Checks that if a module's items are all hidden then the overflow menu doesn't
-// get hidden (reverse order to above)
-exports.testMultipleModulesOverflowHidden2 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 0);
-
-  // Use each module to add an item, then unload each module in turn.
-  let item0 = new loader0.cm.Item({
-    label: "item 0",
-    context: loader0.cm.SelectorContext("a")
-  });
-  let item1 = new loader1.cm.Item({ label: "item 1" });
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu([item0, item1], [item0], []);
-    test.done();
-  });
-};
-
-
-// Checks that we don't overflow if there are more items than the overflow
-// threshold but not all of them are visible
-exports.testOverflowIgnoresHidden = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let prefs = loader.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 2);
-
-  let allItems = [
-    new loader.cm.Item({
-      label: "item 0"
-    }),
-    new loader.cm.Item({
-      label: "item 1"
-    }),
-    new loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.SelectorContext("a")
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu(allItems, [allItems[2]], []);
-    test.done();
-  });
-};
-
-
-// Checks that we don't overflow if there are more items than the overflow
-// threshold but not all of them are visible
-exports.testOverflowIgnoresHiddenMultipleModules1 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 2);
-
-  let allItems = [
-    new loader0.cm.Item({
-      label: "item 0"
-    }),
-    new loader0.cm.Item({
-      label: "item 1"
-    }),
-    new loader1.cm.Item({
-      label: "item 2",
-      context: loader1.cm.SelectorContext("a")
-    }),
-    new loader1.cm.Item({
-      label: "item 3",
-      context: loader1.cm.SelectorContext("a")
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu(allItems, [allItems[2], allItems[3]], []);
-    test.done();
-  });
-};
-
-
-// Checks that we don't overflow if there are more items than the overflow
-// threshold but not all of them are visible
-exports.testOverflowIgnoresHiddenMultipleModules2 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 2);
-
-  let allItems = [
-    new loader0.cm.Item({
-      label: "item 0"
-    }),
-    new loader0.cm.Item({
-      label: "item 1",
-      context: loader0.cm.SelectorContext("a")
-    }),
-    new loader1.cm.Item({
-      label: "item 2"
-    }),
-    new loader1.cm.Item({
-      label: "item 3",
-      context: loader1.cm.SelectorContext("a")
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu(allItems, [allItems[1], allItems[3]], []);
-    test.done();
-  });
-};
-
-
-// Checks that we don't overflow if there are more items than the overflow
-// threshold but not all of them are visible
-exports.testOverflowIgnoresHiddenMultipleModules3 = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let prefs = loader0.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 2);
-
-  let allItems = [
-    new loader0.cm.Item({
-      label: "item 0",
-      context: loader0.cm.SelectorContext("a")
-    }),
-    new loader0.cm.Item({
-      label: "item 1",
-      context: loader0.cm.SelectorContext("a")
-    }),
-    new loader1.cm.Item({
-      label: "item 2"
-    }),
-    new loader1.cm.Item({
-      label: "item 3"
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    // One should be hidden
-    test.checkMenu(allItems, [allItems[0], allItems[1]], []);
-    test.done();
-  });
-};
-
-
-// Tests that we transition between overflowing to non-overflowing to no items
-// and back again
-exports.testOverflowTransition = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let prefs = loader.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 2);
-
-  let pItems = [
-    new loader.cm.Item({
-      label: "item 0",
-      context: loader.cm.SelectorContext("p")
-    }),
-    new loader.cm.Item({
-      label: "item 1",
-      context: loader.cm.SelectorContext("p")
-    })
-  ];
-
-  let aItems = [
-    new loader.cm.Item({
-      label: "item 2",
-      context: loader.cm.SelectorContext("a")
-    }),
-    new loader.cm.Item({
-      label: "item 3",
-      context: loader.cm.SelectorContext("a")
-    })
-  ];
-
-  let allItems = pItems.concat(aItems);
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#link", function (popup) {
-      // The menu should contain all items and will overflow
-      test.checkMenu(allItems, [], []);
-      popup.hidePopup();
-
-      test.showMenu("#text", function (popup) {
-        // Only contains hald the items and will not overflow
-        test.checkMenu(allItems, aItems, []);
-        popup.hidePopup();
-
-        test.showMenu(null, function (popup) {
-          // None of the items will be visible
-          test.checkMenu(allItems, allItems, []);
-          popup.hidePopup();
-
-          test.showMenu("#text", function (popup) {
-            // Only contains hald the items and will not overflow
-            test.checkMenu(allItems, aItems, []);
-            popup.hidePopup();
-
-            test.showMenu("#link", function (popup) {
-              // The menu should contain all items and will overflow
-              test.checkMenu(allItems, [], []);
-              popup.hidePopup();
-
-              test.showMenu(null, function (popup) {
-                // None of the items will be visible
-                test.checkMenu(allItems, allItems, []);
-                popup.hidePopup();
-
-                test.showMenu("#link", function (popup) {
-                  // The menu should contain all items and will overflow
-                  test.checkMenu(allItems, [], []);
-                  test.done();
-                });
-              });
-            });
-          });
-        });
-      });
-    });
-  });
-};
-
-
-// An item's command listener should work.
-exports.testItemCommand = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    data: "item data",
-    contentScript: 'self.on("click", function (node, data) {' +
-                   '  self.postMessage({' +
-                   '    tagName: node.tagName,' +
-                   '    data: data' +
-                   '  });' +
-                   '});',
-    onMessage: function (data) {
-      assert.equal(this, item, "`this` inside onMessage should be item");
-      assert.equal(data.tagName, "HTML", "node should be an HTML element");
-      assert.equal(data.data, item.data, "data should be item data");
-      test.done();
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    let elt = test.getItemElt(popup, item);
-
-    // create a command event
-    let evt = elt.ownerDocument.createEvent('Event');
-    evt.initEvent('command', true, true);
-    elt.dispatchEvent(evt);
-  });
-};
-
-
-// A menu's click listener should work and receive bubbling 'command' events from
-// sub-items appropriately.  This also tests menus and ensures that when a CSS
-// selector context matches the clicked node's ancestor, the matching ancestor
-// is passed to listeners as the clicked node.
-exports.testMenuCommand = function (assert, done) {
-  // Create a top-level menu, submenu, and item, like this:
-  // topMenu -> submenu -> item
-  // Click the item and make sure the click bubbles.
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "submenu item",
-    data: "submenu item data",
-    context: loader.cm.SelectorContext("a"),
-  });
-
-  let submenu = new loader.cm.Menu({
-    label: "submenu",
-    context: loader.cm.SelectorContext("a"),
-    items: [item]
-  });
-
-  let topMenu = new loader.cm.Menu({
-    label: "top menu",
-    contentScript: 'self.on("click", function (node, data) {' +
-                   '  self.postMessage({' +
-                   '    tagName: node.tagName,' +
-                   '    data: data' +
-                   '  });' +
-                   '});',
-    onMessage: function (data) {
-      assert.equal(this, topMenu, "`this` inside top menu should be menu");
-      assert.equal(data.tagName, "A", "Clicked node should be anchor");
-      assert.equal(data.data, item.data,
-                       "Clicked item data should be correct");
-      test.done();
-    },
-    items: [submenu],
-    context: loader.cm.SelectorContext("a")
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#span-link", function (popup) {
-      test.checkMenu([topMenu], [], []);
-      let topMenuElt = test.getItemElt(popup, topMenu);
-      let topMenuPopup = topMenuElt.firstChild;
-      let submenuElt = test.getItemElt(topMenuPopup, submenu);
-      let submenuPopup = submenuElt.firstChild;
-      let itemElt = test.getItemElt(submenuPopup, item);
-
-      // create a command event
-      let evt = itemElt.ownerDocument.createEvent('Event');
-      evt.initEvent('command', true, true);
-      itemElt.dispatchEvent(evt);
-    });
-  });
-};
-
-
-// Click listeners should work when multiple modules are loaded.
-exports.testItemCommandMultipleModules = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item0 = loader0.cm.Item({
-    label: "loader 0 item",
-    contentScript: 'self.on("click", self.postMessage);',
-    onMessage: function () {
-      test.fail("loader 0 item should not emit click event");
-    }
-  });
-  let item1 = loader1.cm.Item({
-    label: "loader 1 item",
-    contentScript: 'self.on("click", self.postMessage);',
-    onMessage: function () {
-      test.pass("loader 1 item clicked as expected");
-      test.done();
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item0, item1], [], []);
-    let item1Elt = test.getItemElt(popup, item1);
-
-    // create a command event
-    let evt = item1Elt.ownerDocument.createEvent('Event');
-    evt.initEvent('command', true, true);
-    item1Elt.dispatchEvent(evt);
-  });
-};
-
-
-
-
-// An item's click listener should work.
-exports.testItemClick = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    data: "item data",
-    contentScript: 'self.on("click", function (node, data) {' +
-                   '  self.postMessage({' +
-                   '    tagName: node.tagName,' +
-                   '    data: data' +
-                   '  });' +
-                   '});',
-    onMessage: function (data) {
-      assert.equal(this, item, "`this` inside onMessage should be item");
-      assert.equal(data.tagName, "HTML", "node should be an HTML element");
-      assert.equal(data.data, item.data, "data should be item data");
-      test.done();
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    let elt = test.getItemElt(popup, item);
-    elt.click();
-  });
-};
-
-
-// A menu's click listener should work and receive bubbling clicks from
-// sub-items appropriately.  This also tests menus and ensures that when a CSS
-// selector context matches the clicked node's ancestor, the matching ancestor
-// is passed to listeners as the clicked node.
-exports.testMenuClick = function (assert, done) {
-  // Create a top-level menu, submenu, and item, like this:
-  // topMenu -> submenu -> item
-  // Click the item and make sure the click bubbles.
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "submenu item",
-    data: "submenu item data",
-    context: loader.cm.SelectorContext("a"),
-  });
-
-  let submenu = new loader.cm.Menu({
-    label: "submenu",
-    context: loader.cm.SelectorContext("a"),
-    items: [item]
-  });
-
-  let topMenu = new loader.cm.Menu({
-    label: "top menu",
-    contentScript: 'self.on("click", function (node, data) {' +
-                   '  self.postMessage({' +
-                   '    tagName: node.tagName,' +
-                   '    data: data' +
-                   '  });' +
-                   '});',
-    onMessage: function (data) {
-      assert.equal(this, topMenu, "`this` inside top menu should be menu");
-      assert.equal(data.tagName, "A", "Clicked node should be anchor");
-      assert.equal(data.data, item.data,
-                       "Clicked item data should be correct");
-      test.done();
-    },
-    items: [submenu],
-    context: loader.cm.SelectorContext("a")
-  });
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#span-link", function (popup) {
-      test.checkMenu([topMenu], [], []);
-      let topMenuElt = test.getItemElt(popup, topMenu);
-      let topMenuPopup = topMenuElt.firstChild;
-      let submenuElt = test.getItemElt(topMenuPopup, submenu);
-      let submenuPopup = submenuElt.firstChild;
-      let itemElt = test.getItemElt(submenuPopup, item);
-      itemElt.click();
-    });
-  });
-};
-
-// Click listeners should work when multiple modules are loaded.
-exports.testItemClickMultipleModules = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let item0 = loader0.cm.Item({
-    label: "loader 0 item",
-    contentScript: 'self.on("click", self.postMessage);',
-    onMessage: function () {
-      test.fail("loader 0 item should not emit click event");
-    }
-  });
-  let item1 = loader1.cm.Item({
-    label: "loader 1 item",
-    contentScript: 'self.on("click", self.postMessage);',
-    onMessage: function () {
-      test.pass("loader 1 item clicked as expected");
-      test.done();
-    }
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item0, item1], [], []);
-    let item1Elt = test.getItemElt(popup, item1);
-    item1Elt.click();
-  });
-};
-
-
-// Adding a separator to a submenu should work OK.
-exports.testSeparator = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = new loader.cm.Menu({
-    label: "submenu",
-    items: [new loader.cm.Separator()]
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// The parentMenu option should work
-exports.testParentMenu = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = new loader.cm.Menu({
-    label: "submenu",
-    items: [loader.cm.Item({ label: "item 1" })],
-    parentMenu: loader.cm.contentContextMenu
-  });
-
-  let item = loader.cm.Item({
-    label: "item 2",
-    parentMenu: menu,
-  });
-
-  assert.equal(menu.items[1], item, "Item should be in the sub menu");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Existing context menu modifications should apply to new windows.
-exports.testNewWindow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.withNewWindow(function () {
-    test.showMenu(null, function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// When a new window is opened, items added by an unloaded module should not
-// be present in the menu.
-exports.testNewWindowMultipleModules = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-    loader.unload();
-    test.withNewWindow(function () {
-      test.showMenu(null, function (popup) {
-        test.checkMenu([item], [], [item]);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Existing context menu modifications should not apply to new private windows.
-exports.testNewPrivateWindow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    test.withNewPrivateWindow(function () {
-      test.showMenu(null, function (popup) {
-        test.checkMenu([], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Existing context menu modifications should apply to new private windows when
-// private browsing support is enabled.
-exports.testNewPrivateEnabledWindow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newPrivateLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    test.withNewPrivateWindow(function () {
-      test.showMenu(null, function (popup) {
-        test.checkMenu([item], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Existing context menu modifications should apply to new private windows when
-// private browsing support is enabled unless unloaded.
-exports.testNewPrivateEnabledWindowUnloaded = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newPrivateLoader();
-
-  let item = new loader.cm.Item({ label: "item" });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    popup.hidePopup();
-
-    loader.unload();
-
-    test.withNewPrivateWindow(function () {
-      test.showMenu(null, function (popup) {
-        test.checkMenu([], [], []);
-        test.done();
-      });
-    });
-  });
-};
-
-
-// Items in the context menu should be sorted according to locale.
-exports.testSorting = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  // Make an unsorted items list.  It'll look like this:
-  //   item 1, item 0, item 3, item 2, item 5, item 4, ...
-  let items = [];
-  for (let i = 0; i < OVERFLOW_THRESH_DEFAULT; i += 2) {
-    items.push(new loader.cm.Item({ label: "item " + (i + 1) }));
-    items.push(new loader.cm.Item({ label: "item " + i }));
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Items in the overflow menu should be sorted according to locale.
-exports.testSortingOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  // Make an unsorted items list.  It'll look like this:
-  //   item 1, item 0, item 3, item 2, item 5, item 4, ...
-  let items = [];
-  for (let i = 0; i < OVERFLOW_THRESH_DEFAULT * 2; i += 2) {
-    items.push(new loader.cm.Item({ label: "item " + (i + 1) }));
-    items.push(new loader.cm.Item({ label: "item " + i }));
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Multiple modules shouldn't interfere with sorting.
-exports.testSortingMultipleModules = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader0 = test.newLoader();
-  let loader1 = test.newLoader();
-
-  let items0 = [];
-  let items1 = [];
-  for (let i = 0; i < OVERFLOW_THRESH_DEFAULT; i++) {
-    if (i % 2) {
-      let item = new loader0.cm.Item({ label: "item " + i });
-      items0.push(item);
-    }
-    else {
-      let item = new loader1.cm.Item({ label: "item " + i });
-      items1.push(item);
-    }
-  }
-  let allItems = items0.concat(items1);
-
-  test.showMenu(null, function (popup) {
-
-    // All items should be present and sorted.
-    test.checkMenu(allItems, [], []);
-    popup.hidePopup();
-    loader0.unload();
-    loader1.unload();
-    test.showMenu(null, function (popup) {
-
-      // All items should be removed.
-      test.checkMenu(allItems, [], allItems);
-      test.done();
-    });
-  });
-};
-
-
-// Content click handlers and context handlers should be able to communicate,
-// i.e., they're eval'ed in the same worker and sandbox.
-exports.testContentCommunication = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({
-    label: "item",
-    contentScript: 'var potato;' +
-                   'self.on("context", function () {' +
-                   '  potato = "potato";' +
-                   '  return true;' +
-                   '});' +
-                   'self.on("click", function () {' +
-                   '  self.postMessage(potato);' +
-                   '});',
-  });
-
-  item.on("message", function (data) {
-    assert.equal(data, "potato", "That's a lot of potatoes!");
-    test.done();
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    let elt = test.getItemElt(popup, item);
-    elt.click();
-  });
-};
-
-
-// When the context menu is invoked on a tab that was already open when the
-// module was loaded, it should contain the expected items and content workers
-// should function as expected.
-exports.testLoadWithOpenTab = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  test.withTestDoc(function (window, doc) {
-    let loader = test.newLoader();
-    let item = new loader.cm.Item({
-      label: "item",
-      contentScript:
-        'self.on("click", () => self.postMessage("click"));',
-      onMessage: function (msg) {
-        if (msg === "click")
-          test.done();
-      }
-    });
-    test.showMenu(null, function (popup) {
-      test.checkMenu([item], [], []);
-      test.getItemElt(popup, item).click();
-    });
-  });
-};
-
-// Bug 732716: Ensure that the node given in `click` event works fine
-// (i.e. is correctly wrapped)
-exports.testDrawImageOnClickNode = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  test.withTestDoc(function (window, doc) {
-    let loader = test.newLoader();
-    let item = new loader.cm.Item({
-      label: "item",
-      context: loader.cm.SelectorContext("img"),
-      contentScript: "new " + function() {
-        self.on("click", function (img, data) {
-          let ctx = document.createElement("canvas").getContext("2d");
-          ctx.drawImage(img, 1, 1, 1, 1);
-          self.postMessage("done");
-        });
-      },
-      onMessage: function (msg) {
-        if (msg === "done")
-          test.done();
-      }
-    });
-    test.showMenu("#image", function (popup) {
-      test.checkMenu([item], [], []);
-      test.getItemElt(popup, item).click();
-    });
-  });
-};
-
-
-// Setting an item's label before the menu is ever shown should correctly change
-// its label.
-exports.testSetLabelBeforeShow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({ label: "a" }),
-    new loader.cm.Item({ label: "b" })
-  ]
-  items[0].label = "z";
-  assert.equal(items[0].label, "z");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Setting an item's label after the menu is shown should correctly change its
-// label.
-exports.testSetLabelAfterShow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    new loader.cm.Item({ label: "a" }),
-    new loader.cm.Item({ label: "b" })
-  ];
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    popup.hidePopup();
-
-    items[0].label = "z";
-    assert.equal(items[0].label, "z");
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Setting an item's label before the menu is ever shown should correctly change
-// its label.
-exports.testSetLabelBeforeShowOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let prefs = loader.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 0);
-
-  let items = [
-    new loader.cm.Item({ label: "a" }),
-    new loader.cm.Item({ label: "b" })
-  ]
-  items[0].label = "z";
-  assert.equal(items[0].label, "z");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    test.done();
-  });
-};
-
-
-// Setting an item's label after the menu is shown should correctly change its
-// label.
-exports.testSetLabelAfterShowOverflow = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let prefs = loader.loader.require("sdk/preferences/service");
-  prefs.set(OVERFLOW_THRESH_PREF, 0);
-
-  let items = [
-    new loader.cm.Item({ label: "a" }),
-    new loader.cm.Item({ label: "b" })
-  ];
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, [], []);
-    popup.hidePopup();
-
-    items[0].label = "z";
-    assert.equal(items[0].label, "z");
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Setting the label of an item in a Menu should work.
-exports.testSetLabelMenuItem = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [loader.cm.Item({ label: "a" })]
-  });
-  menu.items[0].label = "z";
-
-  assert.equal(menu.items[0].label, "z");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Menu.addItem() should work.
-exports.testMenuAddItem = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [
-      loader.cm.Item({ label: "item 0" })
-    ]
-  });
-  menu.addItem(loader.cm.Item({ label: "item 1" }));
-  menu.addItem(loader.cm.Item({ label: "item 2" }));
-
-  assert.equal(menu.items.length, 3,
-                   "menu should have correct number of items");
-  for (let i = 0; i < 3; i++) {
-    assert.equal(menu.items[i].label, "item " + i,
-                     "item label should be correct");
-    assert.equal(menu.items[i].parentMenu, menu,
-                     "item's parent menu should be correct");
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Adding the same item twice to a menu should work as expected.
-exports.testMenuAddItemTwice = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: []
-  });
-  let subitem = loader.cm.Item({ label: "item 1" })
-  menu.addItem(subitem);
-  menu.addItem(loader.cm.Item({ label: "item 0" }));
-  menu.addItem(subitem);
-
-  assert.equal(menu.items.length, 2,
-                   "menu should have correct number of items");
-  for (let i = 0; i < 2; i++) {
-    assert.equal(menu.items[i].label, "item " + i,
-                     "item label should be correct");
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Menu.removeItem() should work.
-exports.testMenuRemoveItem = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let subitem = loader.cm.Item({ label: "item 1" });
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [
-      loader.cm.Item({ label: "item 0" }),
-      subitem,
-      loader.cm.Item({ label: "item 2" })
-    ]
-  });
-
-  // Removing twice should be harmless.
-  menu.removeItem(subitem);
-  menu.removeItem(subitem);
-
-  assert.equal(subitem.parentMenu, null,
-                   "item's parent menu should be correct");
-
-  assert.equal(menu.items.length, 2,
-                   "menu should have correct number of items");
-  assert.equal(menu.items[0].label, "item 0",
-                   "item label should be correct");
-  assert.equal(menu.items[1].label, "item 2",
-                   "item label should be correct");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Adding an item currently contained in one menu to another menu should work.
-exports.testMenuItemSwap = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let subitem = loader.cm.Item({ label: "item" });
-  let menu0 = loader.cm.Menu({
-    label: "menu 0",
-    items: [subitem]
-  });
-  let menu1 = loader.cm.Menu({
-    label: "menu 1",
-    items: []
-  });
-  menu1.addItem(subitem);
-
-  assert.equal(menu0.items.length, 0,
-                   "menu should have correct number of items");
-
-  assert.equal(menu1.items.length, 1,
-                   "menu should have correct number of items");
-  assert.equal(menu1.items[0].label, "item",
-                   "item label should be correct");
-
-  assert.equal(subitem.parentMenu, menu1,
-                   "item's parent menu should be correct");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu0, menu1], [menu0], []);
-    test.done();
-  });
-};
-
-
-// Destroying an item should remove it from its parent menu.
-exports.testMenuItemDestroy = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let subitem = loader.cm.Item({ label: "item" });
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [subitem]
-  });
-  subitem.destroy();
-
-  assert.equal(menu.items.length, 0,
-                   "menu should have correct number of items");
-  assert.equal(subitem.parentMenu, null,
-                   "item's parent menu should be correct");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [menu], []);
-    test.done();
-  });
-};
-
-
-// Setting Menu.items should work.
-exports.testMenuItemsSetter = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [
-      loader.cm.Item({ label: "old item 0" }),
-      loader.cm.Item({ label: "old item 1" })
-    ]
-  });
-  menu.items = [
-    loader.cm.Item({ label: "new item 0" }),
-    loader.cm.Item({ label: "new item 1" }),
-    loader.cm.Item({ label: "new item 2" })
-  ];
-
-  assert.equal(menu.items.length, 3,
-                   "menu should have correct number of items");
-  for (let i = 0; i < 3; i++) {
-    assert.equal(menu.items[i].label, "new item " + i,
-                     "item label should be correct");
-    assert.equal(menu.items[i].parentMenu, menu,
-                     "item's parent menu should be correct");
-  }
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], []);
-    test.done();
-  });
-};
-
-
-// Setting Item.data should work.
-exports.testItemDataSetter = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = loader.cm.Item({ label: "old item 0", data: "old" });
-  item.data = "new";
-
-  assert.equal(item.data, "new", "item should have correct data");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item], [], []);
-    test.done();
-  });
-};
-
-
-// Open the test doc, load the module, make sure items appear when context-
-// clicking the iframe.
-exports.testAlreadyOpenIframe = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  test.withTestDoc(function (window, doc) {
-    let loader = test.newLoader();
-    let item = new loader.cm.Item({
-      label: "item"
-    });
-    test.showMenu("#iframe", function (popup) {
-      test.checkMenu([item], [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Tests that a missing label throws an exception
-exports.testItemNoLabel = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  try {
-    new loader.cm.Item({});
-    assert.ok(false, "Should have seen exception");
-  }
-  catch (e) {
-    assert.ok(true, "Should have seen exception");
-  }
-
-  try {
-    new loader.cm.Item({ label: null });
-    assert.ok(false, "Should have seen exception");
-  }
-  catch (e) {
-    assert.ok(true, "Should have seen exception");
-  }
-
-  try {
-    new loader.cm.Item({ label: undefined });
-    assert.ok(false, "Should have seen exception");
-  }
-  catch (e) {
-    assert.ok(true, "Should have seen exception");
-  }
-
-  try {
-    new loader.cm.Item({ label: "" });
-    assert.ok(false, "Should have seen exception");
-  }
-  catch (e) {
-    assert.ok(true, "Should have seen exception");
-  }
-
-  test.done();
-}
-
-/* bug 1302854 - disabled this subtest as it is intermittent
-// Tests that items can have an empty data property
-exports.testItemNoData = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  function checkData(data) {
-    assert.equal(data, undefined, "Data should be undefined");
-  }
-
-  let item1 = new loader.cm.Item({
-    label: "item 1",
-    contentScript: 'self.on("click", (node, data) => self.postMessage(data))',
-    onMessage: checkData
-  });
-  let item2 = new loader.cm.Item({
-    label: "item 2",
-    data: null,
-    contentScript: 'self.on("click", (node, data) => self.postMessage(data))',
-    onMessage: checkData
-  });
-  let item3 = new loader.cm.Item({
-    label: "item 3",
-    data: undefined,
-    contentScript: 'self.on("click", (node, data) => self.postMessage(data))',
-    onMessage: checkData
-  });
-
-  assert.equal(item1.data, undefined, "Should be no defined data");
-  assert.equal(item2.data, null, "Should be no defined data");
-  assert.equal(item3.data, undefined, "Should be no defined data");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item1, item2, item3], [], []);
-
-    let itemElt = test.getItemElt(popup, item1);
-    itemElt.click();
-
-    test.hideMenu(function() {
-      test.showMenu(null, function (popup) {
-        let itemElt = test.getItemElt(popup, item2);
-        itemElt.click();
-
-        test.hideMenu(function() {
-          test.showMenu(null, function (popup) {
-            let itemElt = test.getItemElt(popup, item3);
-            itemElt.click();
-
-            test.done();
-          });
-        });
-      });
-    });
-  });
-}
-*/
-
-
-exports.testItemNoAccessKey = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item1 = new loader.cm.Item({ label: "item 1" });
-  let item2 = new loader.cm.Item({ label: "item 2", accesskey: null });
-  let item3 = new loader.cm.Item({ label: "item 3", accesskey: undefined });
-
-  assert.equal(item1.accesskey, undefined, "Should be no defined image");
-  assert.equal(item2.accesskey, null, "Should be no defined image");
-  assert.equal(item3.accesskey, undefined, "Should be no defined image");
-
-  test.showMenu().
-  then((popup) => test.checkMenu([item1, item2, item3], [], [])).
-  then(test.done).
-  catch(assert.fail);
-}
-
-
-// Test accesskey support.
-exports.testItemAccessKey = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item = new loader.cm.Item({ label: "item", accesskey: "i" });
-  assert.equal(item.accesskey, "i", "Should have set the image to i");
-
-  let menu = new loader.cm.Menu({ label: "menu", accesskey: "m", items: [
-    loader.cm.Item({ label: "subitem" })
-  ]});
-  assert.equal(menu.accesskey, "m", "Should have set the accesskey to m");
-
-  test.showMenu().then((popup) => {
-    test.checkMenu([item, menu], [], []);
-
-    let accesskey = "e";
-    menu.accesskey = item.accesskey = accesskey;
-    assert.equal(item.accesskey, accesskey, "Should have set the accesskey to " + accesskey);
-    assert.equal(menu.accesskey, accesskey, "Should have set the accesskey to " + accesskey);
-    test.checkMenu([item, menu], [], []);
-
-    item.accesskey = null;
-    menu.accesskey = null;
-    assert.equal(item.accesskey, null, "Should have set the accesskey to " + accesskey);
-    assert.equal(menu.accesskey, null, "Should have set the accesskey to " + accesskey);
-    test.checkMenu([item, menu], [], []);
-  }).
-  then(test.done).
-  catch(assert.fail);
-};
-
-
-// Tests that items without an image don't attempt to show one
-exports.testItemNoImage = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let item1 = new loader.cm.Item({ label: "item 1" });
-  let item2 = new loader.cm.Item({ label: "item 2", image: null });
-  let item3 = new loader.cm.Item({ label: "item 3", image: undefined });
-
-  assert.equal(item1.image, undefined, "Should be no defined image");
-  assert.equal(item2.image, null, "Should be no defined image");
-  assert.equal(item3.image, undefined, "Should be no defined image");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item1, item2, item3], [], []);
-
-    test.done();
-  });
-}
-
-
-// Test image support.
-exports.testItemImage = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let imageURL = data.url("moz_favicon.ico");
-  let item = new loader.cm.Item({ label: "item", image: imageURL });
-  let menu = new loader.cm.Menu({ label: "menu", image: imageURL, items: [
-    loader.cm.Item({ label: "subitem" })
-  ]});
-  assert.equal(item.image, imageURL, "Should have set the image correctly");
-  assert.equal(menu.image, imageURL, "Should have set the image correctly");
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([item, menu], [], []);
-
-    let imageURL2 = data.url("dummy.ico");
-    item.image = imageURL2;
-    menu.image = imageURL2;
-    assert.equal(item.image, imageURL2, "Should have set the image correctly");
-    assert.equal(menu.image, imageURL2, "Should have set the image correctly");
-    test.checkMenu([item, menu], [], []);
-
-    item.image = null;
-    menu.image = null;
-    assert.equal(item.image, null, "Should have set the image correctly");
-    assert.equal(menu.image, null, "Should have set the image correctly");
-    test.checkMenu([item, menu], [], []);
-
-    test.done();
-  });
-};
-
-// Test image URL validation.
-exports.testItemImageValidURL = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  assert.throws(function(){
-      new loader.cm.Item({
-        label: "item 1",
-        image: "foo"
-      })
-    }, /Image URL validation failed/
-  );
-
-  assert.throws(function(){
-      new loader.cm.Item({
-        label: "item 2",
-        image: false
-      })
-    }, /Image URL validation failed/
-  );
-
-  assert.throws(function(){
-      new loader.cm.Item({
-        label: "item 3",
-        image: 0
-      })
-    }, /Image URL validation failed/
-  );
-
-  let imageURL = data.url("moz_favicon.ico");
-  let item4 = new loader.cm.Item({ label: "item 4", image: imageURL });
-  let item5 = new loader.cm.Item({ label: "item 5", image: null });
-  let item6 = new loader.cm.Item({ label: "item 6", image: undefined });
-
-  assert.equal(item4.image, imageURL, "Should be proper image URL");
-  assert.equal(item5.image, null, "Should be null image");
-  assert.equal(item6.image, undefined, "Should be undefined image");
-
-  test.done();
-};
-
-
-// Menu.destroy should destroy the item tree rooted at that menu.
-exports.testMenuDestroy = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let menu = loader.cm.Menu({
-    label: "menu",
-    items: [
-      loader.cm.Item({ label: "item 0" }),
-      loader.cm.Menu({
-        label: "item 1",
-        items: [
-          loader.cm.Item({ label: "subitem 0" }),
-          loader.cm.Item({ label: "subitem 1" }),
-          loader.cm.Item({ label: "subitem 2" })
-        ]
-      }),
-      loader.cm.Item({ label: "item 2" })
-    ]
-  });
-  menu.destroy();
-
-  /*let numRegistryEntries = 0;
-  loader.globalScope.browserManager.browserWins.forEach(function (bwin) {
-    for (let itemID in bwin.items)
-      numRegistryEntries++;
-  });
-  assert.equal(numRegistryEntries, 0, "All items should be unregistered.");*/
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([menu], [], [menu]);
-    test.done();
-  });
-};
-
-// Checks that if a menu contains sub items that are hidden then the menu is
-// hidden too. Also checks that content scripts and contexts work for sub items.
-exports.testSubItemContextNoMatchHideMenu = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    loader.cm.Menu({
-      label: "menu 1",
-      items: [
-        loader.cm.Item({
-          label: "subitem 1",
-          context: loader.cm.SelectorContext(".foo")
-        })
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 2",
-      items: [
-        loader.cm.Item({
-          label: "subitem 2",
-          contentScript: 'self.on("context", () => false);'
-        })
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 3",
-      items: [
-        loader.cm.Item({
-          label: "subitem 3",
-          context: loader.cm.SelectorContext(".foo")
-        }),
-        loader.cm.Item({
-          label: "subitem 4",
-          contentScript: 'self.on("context", () => false);'
-        })
-      ]
-    })
-  ];
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu(items, items, []);
-    test.done();
-  });
-};
-
-
-// Checks that if a menu contains a combination of hidden and visible sub items
-// then the menu is still visible too.
-exports.testSubItemContextMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let hiddenItems = [
-    loader.cm.Item({
-      label: "subitem 3",
-      context: loader.cm.SelectorContext(".foo")
-    }),
-    loader.cm.Item({
-      label: "subitem 6",
-      contentScript: 'self.on("context", () => false);'
-    })
-  ];
-
-  let items = [
-    loader.cm.Menu({
-      label: "menu 1",
-      items: [
-        loader.cm.Item({
-          label: "subitem 1",
-          context: loader.cm.URLContext(TEST_DOC_URL)
-        })
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 2",
-      items: [
-        loader.cm.Item({
-          label: "subitem 2",
-          contentScript: 'self.on("context", () => true);'
-        })
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 3",
-      items: [
-        hiddenItems[0],
-        loader.cm.Item({
-          label: "subitem 4",
-          contentScript: 'self.on("context", () => true);'
-        })
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 4",
-      items: [
-        loader.cm.Item({
-          label: "subitem 5",
-          context: loader.cm.URLContext(TEST_DOC_URL)
-        }),
-        hiddenItems[1]
-      ]
-    }),
-    loader.cm.Menu({
-      label: "menu 5",
-      items: [
-        loader.cm.Item({
-          label: "subitem 7",
-          context: loader.cm.URLContext(TEST_DOC_URL)
-        }),
-        loader.cm.Item({
-          label: "subitem 8",
-          contentScript: 'self.on("context", () => true);'
-        })
-      ]
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, hiddenItems, []);
-      test.done();
-    });
-  });
-};
-
-
-// Child items should default to visible, not to PageContext
-exports.testSubItemDefaultVisible = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [
-    loader.cm.Menu({
-      label: "menu 1",
-      context: loader.cm.SelectorContext("img"),
-      items: [
-        loader.cm.Item({
-          label: "subitem 1"
-        }),
-        loader.cm.Item({
-          label: "subitem 2",
-          context: loader.cm.SelectorContext("img")
-        }),
-        loader.cm.Item({
-          label: "subitem 3",
-          context: loader.cm.SelectorContext("a")
-        })
-      ]
-    })
-  ];
-
-  // subitem 3 will be hidden
-  let hiddenItems = [items[0].items[2]];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, hiddenItems, []);
-      test.done();
-    });
-  });
-};
-
-// Tests that the click event on sub menuitem
-// tiggers the click event for the sub menuitem and the parent menu
-exports.testSubItemClick = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let state = 0;
-
-  let items = [
-    loader.cm.Menu({
-      label: "menu 1",
-      items: [
-        loader.cm.Item({
-          label: "subitem 1",
-          data: "foobar",
-          contentScript: 'self.on("click", function (node, data) {' +
-                         '  self.postMessage({' +
-                         '    tagName: node.tagName,' +
-                         '    data: data' +
-                         '  });' +
-                         '});',
-          onMessage: function(msg) {
-            assert.equal(msg.tagName, "HTML", "should have seen the right node");
-            assert.equal(msg.data, "foobar", "should have seen the right data");
-            assert.equal(state, 0, "should have seen the event at the right time");
-            state++;
-          }
-        })
-      ],
-      contentScript: 'self.on("click", function (node, data) {' +
-                     '  self.postMessage({' +
-                     '    tagName: node.tagName,' +
-                     '    data: data' +
-                     '  });' +
-                     '});',
-      onMessage: function(msg) {
-        assert.equal(msg.tagName, "HTML", "should have seen the right node");
-        assert.equal(msg.data, "foobar", "should have seen the right data");
-        assert.equal(state, 1, "should have seen the event at the right time");
-
-        test.done();
-      }
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-
-      let topMenuElt = test.getItemElt(popup, items[0]);
-      let topMenuPopup = topMenuElt.firstChild;
-      let itemElt = test.getItemElt(topMenuPopup, items[0].items[0]);
-      itemElt.click();
-    });
-  });
-};
-
-// Tests that the command event on sub menuitem
-// tiggers the click event for the sub menuitem and the parent menu
-exports.testSubItemCommand = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let state = 0;
-
-  let items = [
-    loader.cm.Menu({
-      label: "menu 1",
-      items: [
-        loader.cm.Item({
-          label: "subitem 1",
-          data: "foobar",
-          contentScript: 'self.on("click", function (node, data) {' +
-                         '  self.postMessage({' +
-                         '    tagName: node.tagName,' +
-                         '    data: data' +
-                         '  });' +
-                         '});',
-          onMessage: function(msg) {
-            assert.equal(msg.tagName, "HTML", "should have seen the right node");
-            assert.equal(msg.data, "foobar", "should have seen the right data");
-            assert.equal(state, 0, "should have seen the event at the right time");
-            state++;
-          }
-        })
-      ],
-      contentScript: 'self.on("click", function (node, data) {' +
-                     '  self.postMessage({' +
-                     '    tagName: node.tagName,' +
-                     '    data: data' +
-                     '  });' +
-                     '});',
-      onMessage: function(msg) {
-        assert.equal(msg.tagName, "HTML", "should have seen the right node");
-        assert.equal(msg.data, "foobar", "should have seen the right data");
-        assert.equal(state, 1, "should have seen the event at the right time");
-        state++
-
-        test.done();
-      }
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-
-      let topMenuElt = test.getItemElt(popup, items[0]);
-      let topMenuPopup = topMenuElt.firstChild;
-      let itemElt = test.getItemElt(topMenuPopup, items[0].items[0]);
-
-      // create a command event
-      let evt = itemElt.ownerDocument.createEvent('Event');
-      evt.initEvent('command', true, true);
-      itemElt.dispatchEvent(evt);
-    });
-  });
-};
-
-// Tests that opening a context menu for an outer frame when an inner frame
-// has a selection doesn't activate the SelectionContext
-exports.testSelectionInInnerFrameNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let state = 0;
-
-  let items = [
-    loader.cm.Item({
-      label: "test item",
-      context: loader.cm.SelectionContext()
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    let frame = doc.getElementById("iframe");
-    frame.contentWindow.getSelection().selectAllChildren(frame.contentDocument.body);
-
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-// Tests that opening a context menu for an inner frame when the inner frame
-// has a selection does activate the SelectionContext
-exports.testSelectionInInnerFrameMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let state = 0;
-
-  let items = [
-    loader.cm.Item({
-      label: "test item",
-      context: loader.cm.SelectionContext()
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    let frame = doc.getElementById("iframe");
-    frame.contentWindow.getSelection().selectAllChildren(frame.contentDocument.body);
-
-    test.showMenu(["#iframe", "#text"], function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Tests that opening a context menu for an inner frame when the outer frame
-// has a selection doesn't activate the SelectionContext
-exports.testSelectionInOuterFrameNoMatch = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let state = 0;
-
-  let items = [
-    loader.cm.Item({
-      label: "test item",
-      context: loader.cm.SelectionContext()
-    })
-  ];
-
-  test.withTestDoc(function (window, doc) {
-    let frame = doc.getElementById("iframe");
-    window.getSelection().selectAllChildren(doc.body);
-
-    test.showMenu(["#iframe", "#text"], function (popup) {
-      test.checkMenu(items, items, []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the return value of the predicate function determines if
-// item is shown
-exports.testPredicateContextControl = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let itemTrue = loader.cm.Item({
-    label: "visible",
-    context: loader.cm.PredicateContext(function () { return true; })
-  });
-
-  let itemFalse = loader.cm.Item({
-    label: "hidden",
-    context: loader.cm.PredicateContext(function () { return false; })
-  });
-
-  test.showMenu(null, function (popup) {
-    test.checkMenu([itemTrue, itemFalse], [itemFalse], []);
-    test.done();
-  });
-};
-
-// Test that the data object has the correct document type
-exports.testPredicateContextDocumentType = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.equal(data.documentType, 'text/html');
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the correct document URL
-exports.testPredicateContextDocumentURL = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.equal(data.documentURL, TEST_DOC_URL);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object has the correct element name
-exports.testPredicateContextTargetName = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.targetName, "input");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#button", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object has the correct ID
-exports.testPredicateContextTargetIDSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.targetID, "button");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#button", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the correct ID
-exports.testPredicateContextTargetIDNotSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.targetID, null);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(".predicate-test-a", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object is showing editable correctly for regular text inputs
-exports.testPredicateContextTextBoxIsEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, true);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#textbox", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object is showing editable correctly for readonly text inputs
-exports.testPredicateContextReadonlyTextBoxIsNotEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, false);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#readonly-textbox", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object is showing editable correctly for disabled text inputs
-exports.testPredicateContextDisabledTextBoxIsNotEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, false);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#disabled-textbox", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object is showing editable correctly for text areas
-exports.testPredicateContextTextAreaIsEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, true);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#textfield", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that non-text inputs are not considered editable
-exports.testPredicateContextButtonIsNotEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, false);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#button", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object is showing editable correctly
-exports.testPredicateContextNonInputIsNotEditable = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, false);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object is showing editable correctly for HTML contenteditable elements
-exports.testPredicateContextEditableElement = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.isEditable, true);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#editable", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object does not have a selection when there is none
-exports.testPredicateContextNoSelectionInPage = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.selectionText, null);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object includes the selected page text
-exports.testPredicateContextSelectionInPage = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      // since we might get whitespace
-      assert.ok(data.selectionText && data.selectionText.search(/^\s*Some text.\s*$/) != -1,
-		'Expected "Some text.", got "' + data.selectionText + '"');
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    window.getSelection().selectAllChildren(doc.getElementById("text"));
-    test.showMenu(null, function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object includes the selected input text
-exports.testPredicateContextSelectionInTextBox = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      // since we might get whitespace
-      assert.strictEqual(data.selectionText, "t v");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    let textbox = doc.getElementById("textbox");
-    test.selectRange("#textbox", 3, 6);
-    test.showMenu("#textbox", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the correct src for an image
-exports.testPredicateContextTargetSrcSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let image;
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.srcURL, image.src);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    image = doc.getElementById("image");
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has no src for a link
-exports.testPredicateContextTargetSrcNotSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.srcURL, null);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#link", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-
-// Test that the data object has the correct link set
-exports.testPredicateContextTargetLinkSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let image;
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.linkURL, TEST_DOC_URL + "#test");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu(".predicate-test-a", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has no link for an image
-exports.testPredicateContextTargetLinkNotSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.linkURL, null);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the correct link for a nested image
-exports.testPredicateContextTargetLinkSetNestedImage = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.linkURL, TEST_DOC_URL + "#nested-image");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#predicate-test-nested-image", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the correct link for a complex nested structure
-exports.testPredicateContextTargetLinkSetNestedStructure = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.linkURL, TEST_DOC_URL + "#nested-structure");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#predicate-test-nested-structure", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has the value for an input textbox
-exports.testPredicateContextTargetValueSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-  let image;
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.value, "test value");
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#textbox", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-// Test that the data object has no value for an image
-exports.testPredicateContextTargetValueNotSet = function (assert, done) {
-  let test = new TestHelper(assert, done);
-  let loader = test.newLoader();
-
-  let items = [loader.cm.Item({
-    label: "item",
-    context: loader.cm.PredicateContext(function (data) {
-      assert.strictEqual(data.value, null);
-      return true;
-    })
-  })];
-
-  test.withTestDoc(function (window, doc) {
-    test.showMenu("#image", function (popup) {
-      test.checkMenu(items, [], []);
-      test.done();
-    });
-  });
-};
-
-if (isTravisCI) {
-  module.exports = {
-    "test skip on jpm": (assert) => assert.pass("skipping this file with jpm")
-  };
-}
-
-require('sdk/test').run(exports);