text: #ifndef VG_UNITTEST_DRIVER_HPP_INCLUDED
  #define VG_UNITTEST_DRIVER_HPP_INCLUDED
  
  namespace vg {
  namespace unittest {
  
  using namespace vg;
      
  /**
   * Take the original argc and argv from a `vg unittest` command-line call and
   * run the unit tests. We keep this in its own CPP/HPP to keep our unit test
   * library from being a dependency of main.o and other real application code.
   *
   * Passes the args along to the unit test system.
   * 
   * Returns exit code 0 on success, other codes on failure.
   */
  int run_unit_tests(int argc, char** argv);
  
  }
  }
  
  #endif
  