//.........这里部分代码省略.........
  const sTestNavigation = GeneralSteps.sequence([
    Keyboard.sKeydown(doc, Keys.tab(), { }),
    sAssertTextFocused,
    Keyboard.sKeydown(doc, Keys.tab(), { }),
    sAssertTitleFocused,
    Keyboard.sKeydown(doc, Keys.tab(), { }),
    sAssertTargetFocused,
    Keyboard.sKeydown(doc, Keys.tab(), { shift: true }),
    sAssertTitleFocused,
    Keyboard.sKeydown(doc, Keys.tab(), { shift: false }),
    sAssertTargetFocused,
    Keyboard.sKeydown(doc, Keys.tab(), { }),

    Step.wait(1000),
    Logger.t('Checking pressing tab at the end should not move focus', sAssertTargetFocused),

    sClickPrev,
    sAssertTitleFocused,
    sClickNext,
    sAssertTargetFocused,
    sClickPrev,
    sAssertTitleFocused,
    sClickPrev,
    sAssertTextFocused,
    sClickPrev,
    sAssertUrlFocused
  ]);

  const sClickLink = Mouse.sClickOn(realm.element(), TestSelectors.link());

  const sTestScenario = function (rawScenario) {
    const scenario = ValueSchema.asRawOrDie('Checking scenario', ValueSchema.objOf([
      FieldSchema.strict('label'),
      FieldSchema.defaulted('content', ''),
      FieldSchema.defaulted('node', Element.fromText('')),
      FieldSchema.strictObjOf('fields', [
        FieldSchema.option('url'),
        FieldSchema.option('text'),
        FieldSchema.option('title'),
        FieldSchema.option('target')
      ]),
      FieldSchema.strict('expected'),
      FieldSchema.defaulted('beforeExecute', Step.pass),
      FieldSchema.defaulted('mutations', Fun.constant(Step.pass))
    ]), rawScenario);

    return Logger.t(
      scenario.label,
      GeneralSteps.sequence([
        tEditor.sPrepareState(scenario.node.dom(), scenario.content),
        sClickLink,
        TestUi.sSetFieldOptValue(scenario.fields.url),
        sClickNext,
        sAssertTextFocused,
        TestUi.sSetFieldOptValue(scenario.fields.text),
        sClickNext,
        sAssertTitleFocused,
        TestUi.sSetFieldOptValue(scenario.fields.title),
        sClickNext,
        sAssertTargetFocused,
        TestUi.sSetFieldOptValue(scenario.fields.target),
        sClickPrev,
        sAssertTitleFocused,
        sClickPrev,
        sAssertTextFocused,
        sClickPrev,

UnitTest.asynctest('Browser Test: ios.IosRealmTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];
  const detection = PlatformDetection.detect();

  const realm = IosRealm(Fun.noop);

  const unload = function () {
    Remove.remove(iframe);
    Attachment.detachSystem(realm.system());
  };

  const iframe = Element.fromTag('iframe');
  Css.set(iframe, 'height', '400px');
  const onload = DomEvent.bind(iframe, 'load', function () {
    const head = Element.fromDom(iframe.dom().contentWindow.document.head);
    const body = Element.fromDom(iframe.dom().contentWindow.document.body);
    Attachment.attachSystem(body, realm.system());

    Css.set(body, 'margin', '0px');

    const css = Element.fromTag('link');
    Attr.setAll(css, {
      href: '/project/tinymce/js/tinymce/skins/ui/oxide/skin.mobile.min.css',
      rel: 'Stylesheet',
      type: 'text/css'
    });
    Insert.append(head, css);
    onload.unbind();

    const editor = Element.fromTag('iframe');
    Attr.set(editor, 'src', '/project/tinymce/src/themes/mobile/test/html/editor.html');
    Replacing.append(
      realm.system().getByDom(Element.fromDom(
        realm.element().dom().querySelector('.tinymce-mobile-editor-socket'))
      ).getOrDie(),
      GuiFactory.external({
        element: editor
      })
    );

    realm.init({
      editor: {
        getFrame () {
          return editor;
        },
        onDomChanged () {
          return { unbind: Fun.noop };
        }
      },
      container: realm.element(),
      socket: Element.fromDom(realm.element().dom().querySelector('.tinymce-mobile-editor-socket')),
      toolstrip: Element.fromDom(realm.element().dom().querySelector('.tinymce-mobile-toolstrip')),
      toolbar: Element.fromDom(realm.element().dom().querySelector('.tinymce-mobile-toolbar')),
      alloy: realm.system(),
      dropup: realm.dropup()
    });
  });

  Insert.append(Body.body(), iframe);

  const getCursorY = function (target) {
    /* The y position on the cursor for the viewer is a combination of y position of the editor frame and the y
     * y position of the target
     */
    const editorY = iframe.dom().contentWindow.document.querySelector('iframe').getBoundingClientRect().top;
    const targetY = target.dom().getBoundingClientRect().top;
    // tslint:disable-next-line:no-console
    console.log('editorY', editorY, 'targetY', targetY);
    return editorY + targetY;
  };

  const mShowKeyboard = function (selector, index) {
    const keyboardHeight = 200;
    return Step.stateful(function (value, next, die) {
      const pageBody = iframe.dom().contentWindow.document.body;
      const editorBody = pageBody.querySelector('iframe').contentWindow.document.body;
      const target: any = Option.from(editorBody.querySelectorAll(selector)[index]).map(Element.fromDom).getOrDie('no index ' + index + ' for selector: ' + selector);
      WindowSelection.setExact(editorBody.ownerDocument.defaultView, target, 0, target, 0);
      const socket = pageBody.querySelector('.tinymce-mobile-editor-socket');
      socket.scrollTop = target.dom().getBoundingClientRect().top - 100 - keyboardHeight;
      pageBody.style.setProperty('margin-bottom', '2000px');
      pageBody.ownerDocument.defaultView.scrollTo(0, keyboardHeight);

      //
      const cursorY = getCursorY(target);
      const newValue = Merger.deepMerge(
        value,
        {
          target,
          cursorY
        }
      );
      // tslint:disable-next-line:no-console
      console.log('newValue', newValue);
      next(newValue);
    });
  };

  Pipeline.async({}, detection.browser.isChrome() ? [
//.........这里部分代码省略.........

UnitTest.asynctest('Browser Test: ui.FontSizeSliderTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];
  const detection = PlatformDetection.detect();

  const realm = IosRealm(Fun.noop);
  // Make toolbar appear
  Class.add(realm.system().element(), 'tinymce-mobile-fullscreen-maximized');

  const body = Body.body();
  Attachment.attachSystem(body, realm.system());

  TestStyles.addStyles();

  const unload = function () {
    TestStyles.removeStyles();
    Attachment.detachSystem(realm.system());
  };

  const tEditor = TestFrameEditor();

  realm.system().add(tEditor.component());

  realm.setToolbarGroups([
    {
      label: 'group1',
      items: [
        FontSizeSlider.sketch(realm, tEditor.editor())
      ]
    }
  ]);

  Pipeline.async({}, detection.browser.isChrome() ? [
    TestStyles.sWaitForToolstrip(realm),
    tEditor.sWaitForEditorLoaded,
    Step.sync(function () {
      tEditor.editor().focus();
    }),
    Mouse.sClickOn(realm.system().element(), TestSelectors.fontsize()),
    tEditor.sAssertEq('on first showing, the font size slider should not have fired execCommand', [ ])

    // Think about how to do the slider events
  ] : [], function () {
    unload(); success();
  }, failure);
});

UnitTest.asynctest('Browser Test: ui.ButtonsTest', function (success, failure) {

  /*
   * PURPOSE
   *
   * There are three buttons. Two have toggling, and one toggling button has a custom action.
   * Ensure that they all fire the right actions and get updated appropriately based on broadcasts.
   */

  const realm = IosRealm(Fun.noop);

  const body = Body.body();
  Attachment.attachSystem(body, realm.system());

  // Make toolbar appear
  Class.add(realm.system().element(), 'tinymce-mobile-fullscreen-maximized');

  const doc = Traverse.owner(body);

  TestStyles.addStyles();

  const unload = function () {
    TestStyles.removeStyles();
    Attachment.detachSystem(realm.system());
  };

  /* The test editor puts execCommand and insertContent calls into the store */
  const tEditor = TestEditor();

  const memAlpha = Memento.record(
    Buttons.forToolbarCommand(tEditor.editor(), 'alpha')
  );

  const memBeta = Memento.record(
    Buttons.forToolbarStateCommand(tEditor.editor(), 'beta')
  );

  const memGamma = Memento.record(
    Buttons.forToolbarStateAction(tEditor.editor(), 'gamma-class', 'gamma-query', function () {
      tEditor.adder('gamma-action')();
    })
  );

  const sClickAlpha = TestUi.sClickComponent(realm, memAlpha);
  const sClickBeta = TestUi.sClickComponent(realm, memBeta);
  const sClickGamma = TestUi.sClickComponent(realm, memGamma);

  const sCheckComponent = function (label, state) {
    return function (memento) {
      return TestUi.sWaitForToggledState(label, state, realm, memento);
    };
  };

  realm.setToolbarGroups([
    {
      label: 'group1',
      items: [
        memAlpha.asSpec(),
        memBeta.asSpec(),
        memGamma.asSpec()
      ]
    }
  ]);

  /*
   * Alpha has no toggling, so just check that when the user clicks on the button, the
   * editor fires execCommand with alpha
   */
  const sTestAlpha = GeneralSteps.sequence([
    tEditor.sAssertEq('Initially empty', [ ]),
    sClickAlpha,
    tEditor.sAssertEq('After clicking on alpha', [
      {
        method: 'execCommand',
        data: {
          alpha: undefined
        }
      }
    ]),
    tEditor.sClear
  ]);

  /*
   * Beta has toggling, so check:
   *  - when the user clicks on the button, execCommand is fired
   *  - when the format change is broadcast, the toggled state changes
   */
  const sTestBeta = GeneralSteps.sequence([
    tEditor.sAssertEq('before beta, store is empty', [ ]),
    sClickBeta,
    tEditor.sAssertEq('After clicking on beta', [
      {
        method: 'execCommand',
        data: {
          beta: undefined
        }
      }
    ]),
    tEditor.sClear,
    sCheckComponent('Initially, beta should be unselected', false)(memBeta),
//.........这里部分代码省略.........