return input.each(function (b) {
   return next(Chain.wrap(SelectionBookmark.validate(root, b)));
 });

UnitTest.asynctest('browser.tinymce.core.focus.EditorFocusTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];
  const viewBlock = ViewBlock();

  Theme();

  const cCreateInlineEditor = function (html) {
    return Chain.on(function (viewBlock, next, die) {
      viewBlock.update(html);

      EditorManager.init({
        selector: '.tinymce-editor',
        inline: true,
        skin_url: '/project/js/tinymce/skins/lightgray',
        setup (editor) {
          editor.on('SkinLoaded', function () {
            next(Chain.wrap(editor));
          });
        }
      });
    });
  };

  const cFocusEditor = Chain.op(function (editor) {
    EditorFocus.focus(editor, false);
  });

  const cFocusElement = function (elementPath) {
    return Chain.op(function (editor) {
      const element = Hierarchy.follow(Element.fromDom(editor.getBody()), elementPath).getOrDie();
      element.dom().focus();
    });
  };

  const cSetSelection = function (startPath, startOffset, endPath, endOffset) {
    return Chain.op(function (editor) {
      const startContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), startPath).getOrDie();
      const endContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), endPath).getOrDie();
      const rng = editor.dom.createRng();

      rng.setStart(startContainer.dom(), startOffset);
      rng.setEnd(endContainer.dom(), endOffset);

      editor.selection.setRng(rng);
    });
  };

  const cAssertSelection = function (startPath, startOffset, endPath, endOffset) {
    return Chain.op(function (editor) {
      const startContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), startPath).getOrDie();
      const endContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), endPath).getOrDie();
      const rng = editor.selection.getRng();

      Assertions.assertDomEq('Should be expected from start container', startContainer, Element.fromDom(rng.startContainer));
      Assertions.assertEq('Should be expected from start offset', startOffset, rng.startOffset);
      Assertions.assertDomEq('Should be expected end container', endContainer, Element.fromDom(rng.endContainer));
      Assertions.assertEq('Should be expected end offset', endOffset, rng.endOffset);
    });
  };

  const cAssertHasFocus = function (elementPath) {
    return Chain.op(function (editor) {
      const element = Hierarchy.follow(Element.fromDom(editor.getBody()), elementPath).getOrDie();
      Assertions.assertEq('Should have focus on the editor', true, EditorFocus.hasFocus(editor));
      Assertions.assertDomEq('Should be the expected activeElement', element, Focus.active().getOrDie());
    });
  };

  const cRemoveEditor = Chain.op(function (editor) {
    editor.remove();
  });

  viewBlock.attach();
  Pipeline.async({}, [
    Logger.t('Focus editor', GeneralSteps.sequence([
      Logger.t('Focus editor initialized on a table', Chain.asStep(viewBlock, [
        cCreateInlineEditor('<table class="tinymce-editor"><tbody><tr><td>a</td></tr></tbody></table>'),
        cFocusEditor,
        cAssertSelection([0, 0, 0, 0], 0, [0, 0, 0, 0], 0),
        cRemoveEditor
      ])),
      Logger.t('Focus editor initialized on a div with p', Chain.asStep(viewBlock, [
        cCreateInlineEditor('<div class="tinymce-editor"><p>a</p></div>'),
        cFocusEditor,
        cAssertSelection([0, 0], 0, [0, 0], 0),
        cRemoveEditor
      ])),
      Logger.t('Focus editor initialized on a list', Chain.asStep(viewBlock, [
        cCreateInlineEditor('<ul class="tinymce-editor"><li>a</li></ul>'),
        cFocusEditor,
        cAssertSelection([0, 0], 0, [0, 0], 0),
        cRemoveEditor
      ]))
    ])),
    Logger.t('hasFocus', GeneralSteps.sequence([
      Logger.t('Focus on normal paragraph', Chain.asStep(viewBlock, [
        cCreateInlineEditor('<div class="tinymce-editor"><p>a</p></div>'),
        cFocusEditor,
        cAssertHasFocus([]),
//.........这里部分代码省略.........

UnitTest.asynctest('browser.tinymce.plugins.table.ResizeTableTest', (success, failure) => {
  const lastObjectResizeStartEvent = Cell<any>(null);
  const lastObjectResizedEvent = Cell<any>(null);

  Plugin();
  Theme();

  const cGetBody = Chain.mapper(function (editor: any) {
    return TinyDom.fromDom(editor.getBody());
  });

  const cInsertTable = function (cols, rows) {
    return Chain.mapper(function (editor: any) {
      return TinyDom.fromDom(editor.plugins.table.insertTable(cols, rows));
    });
  };

  const cDragHandle = function (id, deltaH, deltaV) {
    return NamedChain.asChain([
      NamedChain.direct(NamedChain.inputName(), Chain.identity, 'editor'),
      NamedChain.direct('editor', cGetBody, 'editorBody'),
      NamedChain.read('editorBody', Chain.control(
        UiFinder.cFindIn('#mceResizeHandle' + id),
        Guard.tryUntil('wait for resize handlers', 100, 40000)
      )),
      NamedChain.read('editorBody', Chain.fromChains([
        UiFinder.cFindIn('#mceResizeHandle' + id),
        Mouse.cMouseDown,
        Mouse.cMouseMoveTo(deltaH, deltaV),
        Mouse.cMouseUp
      ])),
      NamedChain.outputInput
    ]);
  };

  const cGetWidth = Chain.mapper(function (input: any) {
    const editor = input.editor;
    const elm = input.element.dom();
    const rawWidth = editor.dom.getStyle(elm, 'width');
    const pxWidth = editor.dom.getStyle(elm, 'width', true);
    return {
      raw: parseFloat(rawWidth),
      px: parseInt(pxWidth, 10),
      isPercent: /%$/.test(rawWidth)
    };
  });

  const assertWithin = function (value, min, max) {
    Assertions.assertEq('asserting if value falls within a certain range', true, value >= min && value <= max);
  };

  const cAssertWidths = Chain.op(function (input: any) {
    const expectedPx = input.widthBefore.px - 100;
    const expectedPercent = input.widthAfter.px / input.widthBefore.px * 100;

    // not able to match the percent exactly - there's always a difference in fractions, so lets assert a small range instead
    assertWithin(input.widthAfter.px, expectedPx - 1, expectedPx + 1);
    Assertions.assertEq('table width should be in percents', true, input.widthAfter.isPercent);
    assertWithin(input.widthAfter.raw, expectedPercent - 1, expectedPercent + 1);
  });

  const cBindResizeEvents = Chain.mapper(function (input: any) {
    const objectResizeStart = (e) => {
      lastObjectResizeStartEvent.set(e);
    };

    const objectResized = (e) => {
      lastObjectResizedEvent.set(e);
    };

    input.editor.on('ObjectResizeStart', objectResizeStart);
    input.editor.on('ObjectResized', objectResized);

    return {
      objectResizeStart,
      objectResized
    };
  });

  const cUnbindResizeEvents = Chain.mapper(function (input: any) {
    input.editor.off('ObjectResizeStart', input.events.objectResizeStart);
    input.editor.off('ObjectResized', input.events.objectResized);
    return {};
  });

  const cClearResizeEventData = Chain.op(() => {
    lastObjectResizeStartEvent.set(null);
    lastObjectResizedEvent.set(null);
  });

  const cTableInsertResizeMeasure = NamedChain.asChain([
    NamedChain.direct(NamedChain.inputName(), Chain.identity, 'editor'),
    NamedChain.write('events', cBindResizeEvents),
    NamedChain.direct('editor', cInsertTable(5, 2), 'element'),
    NamedChain.write('widthBefore', cGetWidth),
    NamedChain.read('element', Mouse.cTrueClick),
    NamedChain.read('editor', cDragHandle('se', -100, 0)),
    NamedChain.write('widthAfter', cGetWidth),
    NamedChain.write('events', cUnbindResizeEvents),
    NamedChain.merge(['widthBefore', 'widthAfter'], 'widths'),
//.........这里部分代码省略.........

const sSetFieldValue = function (value) {
  return Chain.asStep({ }, [
    cGetFocused,
    UiControls.cSetValue(value)
  ]);
};

  TinyLoader.setup(function (editor, onSuccess, onFailure) {
    const tinyApis = TinyApis(editor);
    const inlineFormat = [{ inline: 'b' }];
    const blockFormat = [{ block: 'div' }];
    const selectorFormat = [{ selector: 'div', classes: 'b' }];
    const selectorFormatCollapsed = [{ selector: 'div', classes: 'b', collapsed: true }];

    Pipeline.async({}, [
      tinyApis.sFocus,
      Logger.t('Expand inline format words', GeneralSteps.sequence([
        Logger.t('In middle of single word in paragraph', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of single word in paragraph with paragraph siblings', Chain.asStep(editor, [
          cSetRawContent('<p>a</p><p>bc</p><p>de</p>'),
          cExpandRng([1, 0], 1, [1, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 1, [], 2)
        ])),
        Logger.t('In middle of single word wrapped in b', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab</b></p>'),
          cExpandRng([0, 0, 0], 1, [0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of first word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [0, 0], 2)
        ])),
        Logger.t('In middle of last word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [], 1)
        ])),
        Logger.t('In middle of middle word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd ef</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [0, 0], 5)
        ])),
        Logger.t('In middle of word with bold siblings expand to sibling spaces', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab </b>cd<b> ef</b></p>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 3, [0, 2, 0], 0)
        ])),
        Logger.t('In middle of word with block sibling and inline sibling expand to sibling space to the right', Chain.asStep(editor, [
          cSetRawContent('<div><p>ab </p>cd<b> ef</b></div>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 1], 0, [0, 2, 0], 0)
        ])),
        Logger.t('In middle of word with block sibling and inline sibling expand to sibling space to the left', Chain.asStep(editor, [
          cSetRawContent('<div><b>ab </b>cd<p> ef</p></div>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 3, [0, 1], 2)
        ])),
        Logger.t('In middle of middle word separated by nbsp characters', Chain.asStep(editor, [
          cSetRawContent('<p>ab\u00a0cd\u00a0ef</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [0, 0], 5)
        ])),
        Logger.t('In empty paragraph', Chain.asStep(editor, [
          cSetRawContent('<p><br></p>'),
          cExpandRng([0], 0, [0], 0, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Fully selected word', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 0, [0, 0], 2, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Partially selected word', Chain.asStep(editor, [
          cSetRawContent('<p>abc</p>'),
          cExpandRng([0, 0], 1, [0, 0], 2, inlineFormat, false),
          cAssertRange(editor, [0, 0], 1, [0, 0], 2)
        ])),
        Logger.t('Whole word selected wrapped in multiple inlines', Chain.asStep(editor, [
          cSetRawContent('<p><b><i>c</i></b></p>'),
          cExpandRng([0, 0, 0, 0], 0, [0, 0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Whole word inside td', Chain.asStep(editor, [
          cSetRawContent('<table><tbody><tr><td>a</td></tr></tbody></table>'),
          cExpandRng([0, 0, 0, 0, 0], 0, [0, 0, 0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 0, [0, 0, 0], 1)
        ])),
        Logger.t('In middle of single word in paragraph (index based)', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0], 0, [0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of single word wrapped in bold in paragraph (index based)', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab</b></p>'),
          cExpandRng([0], 0, [0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of word inside bookmark then exclude bookmark', Chain.asStep(editor, [
          cSetRawContent('<p><span data-mce-type="bookmark">ab cd ef</span></p>'),
          cExpandRng([0, 0, 0], 3, [0, 0, 0], 5, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ]))
//.........这里部分代码省略.........

 const cAssertEventData = (state, expectedEventName) => Chain.op((_) => {
   Assertions.assertEq('Should be table element', 'TABLE', state.get().target.nodeName);
   Assertions.assertEq('Should be expected resize event', expectedEventName, state.get().type);
   Assertions.assertEq('Should have width', 'number', typeof state.get().width);
   Assertions.assertEq('Should have height', 'number', typeof state.get().height);
 });

  const cAssertTextareaDisplayStyle = (expected) => Chain.op((editor: any) => {
    const textareaElement = editor.getElement();

    RawAssertions.assertEq('element does not have the expected style', expected, textareaElement.style.display);
  });

UnitTest.asynctest('browser.tinymce.core.EditorRemoveTest', (success, failure) => {
  Theme();

  const settings = {
    skin_url: '/project/js/tinymce/skins/lightgray'
  };

  const cAssertTextareaDisplayStyle = (expected) => Chain.op((editor: any) => {
    const textareaElement = editor.getElement();

    RawAssertions.assertEq('element does not have the expected style', expected, textareaElement.style.display);
  });

  const cCreateEditor = Chain.mapper(() => new Editor('editor', {}, EditorManager));

  const cRemoveEditor = Chain.op((editor: any) => editor.remove());

  Pipeline.async({}, [
    Logger.t('remove editor without initializing it', Chain.asStep({}, [
      cCreateEditor,
      cRemoveEditor,
    ])),

    Logger.t('remove editor where the body has been removed', Chain.asStep({}, [
      McEditor.cFromHtml('<textarea></textarea>', settings),
      Chain.mapper((value) => {
        const body = value.getBody();
        body.parentNode.removeChild(body);
        return value;
      }),
      McEditor.cRemove
    ])),

    Logger.t('init editor with no display style', Chain.asStep({}, [
      McEditor.cFromHtml('<textarea id="tinymce"></textarea>', settings),
      cAssertTextareaDisplayStyle('none'),
      cRemoveEditor,
      cAssertTextareaDisplayStyle(''),
      Chain.op((editor) => EditorManager.init({ selector: '#tinymce' })),
      cAssertTextareaDisplayStyle(''),
      McEditor.cRemove
    ])),

    Logger.t('init editor with display: none', Chain.asStep({}, [
      McEditor.cFromHtml('<textarea id="tinymce" style="display: none;"></textarea>', settings),
      cAssertTextareaDisplayStyle('none'),
      cRemoveEditor,
      cAssertTextareaDisplayStyle('none'),
      Chain.op((editor) => EditorManager.init({ selector: '#tinymce' })),
      cAssertTextareaDisplayStyle('none'),
      McEditor.cRemove
    ])),

    Logger.t('init editor with display: block', Chain.asStep({}, [
      McEditor.cFromHtml('<textarea id="tinymce" style="display: block;"></textarea>', settings),
      cAssertTextareaDisplayStyle('none'),
      cRemoveEditor,
      cAssertTextareaDisplayStyle('block'),
      Chain.op((editor) => EditorManager.init({ selector: '#tinymce' })),
      cAssertTextareaDisplayStyle('block'),
      McEditor.cRemove
    ]))
  ], () => {
    success();
  }, failure);
});

UnitTest.asynctest('browser.tinymce.core.keyboard.InlineUtilsTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];
  const ZWSP = Zwsp.ZWSP;

  const cCreateElement = function (html) {
    return Chain.mapper(function (_) {
      return Element.fromHtml(html);
    });
  };

  const cNormalizePosition = function (forward, path, offset) {
    return Chain.mapper(function (elm) {
      const container = Hierarchy.follow(elm, path).getOrDie();
      const pos = new CaretPosition(container.dom(), offset);
      return { pos: InlineUtils.normalizePosition(forward, pos), elm };
    });
  };

  const cAssertPosition = function (path, expectedOffset) {
    return Chain.mapper(function (elmPos) {
      const expectedContainer = Hierarchy.follow(elmPos.elm, path).getOrDie();
      Assertions.assertDomEq('Should be expected container', Element.fromDom(elmPos.pos.container()), expectedContainer);
      Assertions.assertEq('Should be expected offset', elmPos.pos.offset(), expectedOffset);
      return {};
    });
  };

  const cSplitAt = function (path, offset) {
    return Chain.mapper(function (elm) {
      const textNode = Hierarchy.follow(elm, path).getOrDie();
      textNode.dom().splitText(offset);
      return elm;
    });
  };

  const createFakeEditor = function (settings) {
    return {
      settings
    };
  };

  Pipeline.async({}, [
    Logger.t('isInlineTarget with various editor settings', Step.sync(function () {
      Assertions.assertEq('Links should be inline target', true, InlineUtils.isInlineTarget(createFakeEditor({ }), Element.fromHtml('<a href="a">').dom()));
      Assertions.assertEq('Code should be inline target', true, InlineUtils.isInlineTarget(createFakeEditor({ }), Element.fromHtml('<code>').dom()));
      Assertions.assertEq('None link anchor should not be inline target', false, InlineUtils.isInlineTarget(createFakeEditor({ }), Element.fromHtml('<a>').dom()));
      Assertions.assertEq('Bold should not be inline target', false, InlineUtils.isInlineTarget(createFakeEditor({ }), Element.fromHtml('<b>').dom()));
      Assertions.assertEq('Bold should be inline target if configured', true, InlineUtils.isInlineTarget(createFakeEditor({
        inline_boundaries_selector: 'b'
      }), Element.fromHtml('<b>').dom()));
      Assertions.assertEq('Italic should be inline target if configured', true, InlineUtils.isInlineTarget(createFakeEditor({
        inline_boundaries_selector: 'b,i'
      }), Element.fromHtml('<i>').dom()));
    })),

    Logger.t('normalizePosition on text forwards', GeneralSteps.sequence([
      Logger.t('normalizePosition start of zwsp before text', Chain.asStep({}, [
        cCreateElement('<p>' + ZWSP + 'a</p>'),
        cNormalizePosition(true, [0], 0),
        cAssertPosition([0], 1)
      ])),
      Logger.t('normalizePosition end of zwsp before text', Chain.asStep({}, [
        cCreateElement('<p>' + ZWSP + 'a</p>'),
        cNormalizePosition(true, [0], 1),
        cAssertPosition([0], 1)
      ])),
      Logger.t('normalizePosition start of zwsp after text', Chain.asStep({}, [
        cCreateElement('<p>a' + ZWSP + '</p>'),
        cNormalizePosition(true, [0], 1),
        cAssertPosition([0], 2)
      ])),
      Logger.t('normalizePosition end of zwsp after text', Chain.asStep({}, [
        cCreateElement('<p>a' + ZWSP + '</p>'),
        cNormalizePosition(true, [0], 2),
        cAssertPosition([0], 2)
      ]))
    ])),

    Logger.t('normalizePosition on text backwards', GeneralSteps.sequence([
      Logger.t('normalizePosition end of zwsp after text', Chain.asStep({}, [
        cCreateElement('<p>a' + ZWSP + '</p>'),
        cNormalizePosition(false, [0], 2),
        cAssertPosition([0], 1)
      ])),
      Logger.t('normalizePosition start of zwsp after text', Chain.asStep({}, [
        cCreateElement('<p>a' + ZWSP + '</p>'),
        cNormalizePosition(false, [0], 1),
        cAssertPosition([0], 1)
      ])),
      Logger.t('normalizePosition end of zwsp before text', Chain.asStep({}, [
        cCreateElement('<p>' + ZWSP + 'a</p>'),
        cNormalizePosition(false, [0], 1),
        cAssertPosition([0], 0)
      ])),
      Logger.t('normalizePosition start of zwsp before text', Chain.asStep({}, [
        cCreateElement('<p>' + ZWSP + 'a</p>'),
        cNormalizePosition(false, [0], 0),
        cAssertPosition([0], 0)
      ]))
//.........这里部分代码省略.........