#include <cassert>
#include <boost/filesystem/operations.hpp>


int main()
{
  // "C:\Gehua" is a junction point of "D:\Gehua"
  fs::path work("d:/Gehua/work");
  fs::path work_canonical(fs::canonical(work));
  std::wstring s = fs::canonical(work_canonical).native();
  // True path passes
  assert(s == L"d:/Gehua\\work");

  // try the junction path 
  fs::path work_junction("c:/Gehua/work");
  // this passes
  assert(fs::exists(work_junction));

  s = fs::canonical(work_junction).native();
  // this one fails!
  // s has value "c:/Gehua\\Gehua\\work"
  assert(s == L"d:/Gehua\\work");
  return 0;
}