text: // test059.cpp - write UTF-16 LE
  
  #include <rapidcsv.h>
  #include "unittest.h"
  
  int main()
  {
    int rv = 0;
  
    const unsigned char refu16le[] =
    {
      0xff, 0xfe,
      0x2d, 0x00, 0x2c, 0x00, 0x41, 0x00, 0x2c, 0x00, 0x42, 0x00, 0x2c, 0x00,
      0x43, 0x00, 0x0a, 0x00, 0x31, 0x00, 0x2c, 0x00, 0x33, 0x00, 0x2c, 0x00,
      0x39, 0x00, 0x2c, 0x00, 0x38, 0x00, 0x31, 0x00, 0x0a, 0x00, 0x32, 0x00,
      0x2c, 0x00, 0x34, 0x00, 0x2c, 0x00, 0x31, 0x00, 0x36, 0x00, 0x2c, 0x00,
      0x32, 0x00, 0x35, 0x00, 0x36, 0x00, 0x0a, 0x00
    };
    const unsigned int refu16le_len = 58;
  
    std::string csvref(reinterpret_cast<const char *>(refu16le), refu16le_len);
    // "-,A,B,C\n"
    // "1,3,9,81\n"
    // "2,4,16,256\n"
  
    const unsigned char u16le[] =
    {
      0xff, 0xfe,
      0x2d, 0x00, 0x2c, 0x00, 0x41, 0x00, 0x2c, 0x00, 0x42, 0x00, 0x2c, 0x00,
      0x43, 0x00, 0x0a, 0x00, 0x31, 0x00, 0x2c, 0x00, 0x30, 0x00, 0x2c, 0x00,
      0x30, 0x00, 0x2c, 0x00, 0x30, 0x00, 0x0a, 0x00, 0x32, 0x00, 0x2c, 0x00,
      0x30, 0x00, 0x2c, 0x00, 0x30, 0x00, 0x2c, 0x00, 0x30, 0x00, 0x0a, 0x00
    };
    const unsigned int u16le_len = 50;
  
    std::string csv(reinterpret_cast<const char *>(u16le), u16le_len);
    // "-,A,B,C\n"
    // "1,0,0,0\n"
    // "2,0,0,0\n"
  
    std::string path = unittest::TempPath();
    unittest::WriteFile(path, csv);
  
    try
    {
      rapidcsv::Document doc(path, rapidcsv::LabelParams(0, 0));
  
      doc.SetCell<int>(0, 0, 3);
      doc.SetCell<int>(1, 0, 9);
      doc.SetCell<int>(2, 0, 81);
  
      doc.SetCell<std::string>("A", "2", "4");
      doc.SetCell<std::string>("B", "2", "16");
      doc.SetCell<std::string>("C", "2", "256");
  
      unittest::ExpectEqual(int, doc.GetCell<int>(0, 0), 3);
      unittest::ExpectEqual(int, doc.GetCell<int>(1, 0), 9);
      unittest::ExpectEqual(int, doc.GetCell<int>(2, 0), 81);
  
      unittest::ExpectEqual(std::string, doc.GetCell<std::string>("A", "2"), "4");
      unittest::ExpectEqual(std::string, doc.GetCell<std::string>("B", "2"), "16");
      unittest::ExpectEqual(std::string, doc.GetCell<std::string>("C", "2"), "256");
  
      doc.Save();
  
      std::string csvread = unittest::ReadFile(path);
  
      unittest::ExpectEqual(std::string, csvref, csvread);
    }
    catch (const std::exception& ex)
    {
      std::cout << ex.what() << std::endl;
      rv = 1;
    }
  
    unittest::DeleteFile(path);
  
    return rv;
  }
  