// STLport regression testsuite component.

// To compile as a separate example, please #define MAIN.

#include <vector>

#include <algorithm>

#include <numeric>

#include <iterator>

#include <iostream>

#include <fstream>

#ifdef MAIN 

#define nextprm1_test main

#endif

int cmp(char*,char*);

#if !defined (STLPORT) || defined(__STL_USE_NAMESPACES)

using namespace std;

#endif

int nextprm1_test(int, char**)

{

  cout<<"Results of nextprm1_test:"<<endl;

  ofstream outfile("c:\\nextperm1.txt");

  vector <int> v1(3);

  iota(v1.begin(), v1.end(), 0);

  ostream_iterator<int> iter(cout, " ");

  ostream_iterator<int> iterfile(outfile, " ");

  copy(v1.begin(), v1.end(), iter);

  copy(v1.begin(), v1.end(), iterfile);

  cout << endl;

  outfile << endl;

  for(int i = 0; i < 9; i++)

  {

    next_permutation(v1.begin(), v1.end());

    copy(v1.begin(), v1.end(), iter);

    copy(v1.begin(), v1.end(), iterfile); 

    cout << endl;

    outfile << endl;

  }

  outfile.close();

  int result =  cmp("c:\\nextperm1.txt","c:\\testframework\\tstdcpp\\nextperm1_good.txt"); 

  if(result)

     return 0;

  else

  	return 1;

}

int cmp(char*str1,char*str2)

{

  FILE *fp1,*fp2;

  char c1,c2;

  int i=1,j=1;

  fp1=fopen(str1,"r");

  if (fp1 == NULL)

   {

 	     printf("Error 1");

       return(0);

    }

  fp2=fopen(str2,"r");

  if (fp2 == NULL)

  {

     printf("Error 2");

     return(0);

  }

  c1=getc(fp1);

  c2=getc(fp2);

 while(!feof(fp1) && !feof(fp2))

  {

 // i++;

   c1=getc(fp1);

   c2=getc(fp2);

    j++;

		if(c1=='\n' && c2=='\r')

		{	

			//for every new line there is '\r' prepended to '\n'

			//so read again to get '\n'

			c2=getc(fp2);

			i++;

			j=0;

		}	

   if(c1!=c2)

    {

   	   printf("The Files are different\n");

              printf("c1=%c c2=%c",c1,c2);

       printf("i=%d",i);

       return(0);

     }

    }

 if(feof(fp1) && feof(fp2))  

  	  return 1;

 else

   return 0;

}