Add tests for CMap_GetCode and CMap_GetCodeRange.

core/src/fpdfapi/fpdf_font/font_int.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_SRC_FPDFAPI_FPDF_FONT_FONT_INT_H_
 #define CORE_SRC_FPDFAPI_FPDF_FONT_FONT_INT_H_
 
 #include <map>
@@ skipping 59 matching lines @@
 
 class CPDF_CMapParser {
  public:
   CPDF_CMapParser();
   ~CPDF_CMapParser() {}
   FX_BOOL Initialize(CPDF_CMap*);
   void ParseWord(const CFX_ByteStringC& str);
   CFX_BinaryBuf m_AddMaps;
 
  private:
+  friend class fpdf_font_cid_CMap_GetCode_Test;
+  friend class fpdf_font_cid_CMap_GetCodeRange_Test;
+
+  static FX_DWORD CMap_GetCode(const CFX_ByteStringC& word);
+  static bool CMap_GetCodeRange(CMap_CodeRange& range,
+                                const CFX_ByteStringC& first,
+                                const CFX_ByteStringC& second);
+
   CPDF_CMap* m_pCMap;
   int m_Status;
   int m_CodeSeq;
   FX_DWORD m_CodePoints[4];
   CFX_ArrayTemplate<CMap_CodeRange> m_CodeRanges;
   CFX_ByteString m_Registry, m_Ordering, m_Supplement;
   CFX_ByteString m_LastWord;
 };
 #define CIDCODING_UNKNOWN 0
 #define CIDCODING_GB 1
@@ skipping 96 matching lines @@
  public:
   CPDF_FontCharMap(CPDF_Font* pFont);
   CPDF_Font* m_pFont;
 };
 
 void FPDFAPI_LoadCID2UnicodeMap(CIDSet charset,
                                 const FX_WORD*& pMap,
                                 FX_DWORD& count);
 
 #endif  // CORE_SRC_FPDFAPI_FPDF_FONT_FONT_INT_H_