Simple Unit Tests in C++

Figure 3: The run member function of BaseTest32

template<typename I1, typename I2, typename I3,
   typename O1, typename O2>
bool
BaseTest32<I1, I2, I3, O1, O2>::run(int first, int last,
   std::fstream &fout)
{
   O1 tempo1;
   O2 tempo2;

   // constrain range, if necessary
   if(first < 0)
      first = 0;
   if(last > i1s.size() - 1)
      last = i1s.size() - 1;

   for(int i = first; i <= last; ++i)
   {
      // call polymorphically
      apply(i1s[i], i2s[i], i3s[i], tempo1, tempo2);
      if((tempo1 == o1s[i]) && (tempo2 == o2s[i]))
         fout << getName()
              << "(" << i << ") successful. Output: "
              << tempo1 << ", " << tempo2 << std::endl;
      else
      {
         fout << getName()
              << "(" << i << ") UNSUCCESSFUL" << std::endl;
         fout << "  expected: " << o1s[i]
              << ", actual: " << tempo1 << std::endl;
         fout << "  expected: " << o2s[i]
              << ", actual: " << tempo2 << std::endl;
         return false;
      }
   }
   return true;
}