text: // Copyright 2015 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_TESTING_EDITING_TEST_BASE_H_
  #define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_TESTING_EDITING_TEST_BASE_H_
  
  #include <gtest/gtest.h>
  #include <memory>
  #include <string>
  #include "third_party/blink/renderer/core/editing/forward.h"
  #include "third_party/blink/renderer/core/testing/page_test_base.h"
  #include "third_party/blink/renderer/platform/wtf/forward.h"
  
  namespace blink {
  
  class FrameSelection;
  
  class EditingTestBase : public PageTestBase {
    USING_FAST_MALLOC(EditingTestBase);
  
   public:
    static ShadowRoot* CreateShadowRootForElementWithIDAndSetInnerHTML(
        TreeScope&,
        const char* host_element_id,
        const char* shadow_root_content);
  
   protected:
    EditingTestBase();
    ~EditingTestBase() override;
  
    // Returns |Position| for specified |caret_text|, which is HTML markup with
    // caret marker "|".
    Position SetCaretTextToBody(const std::string& caret_text);
  
    // Returns |SelectionInDOMTree| for specified |selection_text| by using
    // |SetSelectionText()| on BODY.
    SelectionInDOMTree SetSelectionTextToBody(const std::string& selection_text);
  
    // Sets |HTMLElement#innerHTML| with |selection_text|, which is HTML markup
    // with selection markers "^" and "|" and returns |SelectionInDOMTree| of
    // specified selection markers.
    // See also |GetSelectionText()| which returns selection text from specified
    // |ContainerNode| and |SelectionInDOMTree|.
    // Note: Unlike |assert_selection()|, this function doesn't change
    // |FrameSelection|.
    SelectionInDOMTree SetSelectionText(HTMLElement*,
                                        const std::string& selection_text);
  
    // Returns selection text for child nodes of BODY with specific |Position|.
    std::string GetCaretTextFromBody(const Position&) const;
  
    // Returns selection text for child nodes of BODY with specified
    // |SelectionInDOMTree|.
    std::string GetSelectionTextFromBody(const SelectionInDOMTree&) const;
  
    std::string GetSelectionTextFromBody() const;
  
    // Returns selection text for child nodes of BODY with specified
    // |SelectionInFlatTree|.
    std::string GetSelectionTextInFlatTreeFromBody(
        const SelectionInFlatTree&) const;
  
    ShadowRoot* SetShadowContent(const char* shadow_content,
                                 const char* shadow_host_id);
  
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_TESTING_EDITING_TEST_BASE_H_
  