#include <stdio.h>
#include <stdlib.h>
#include "hamming.h"

int main() {
  int i,j;
  int error_count=0;
  unsigned text,code;
  srand( (unsigned int) time(NULL));

  for (i=0; i<=100000; i++) {
    //get a random 26-bit integer as the text
    text = lrand48() >> 6;
      code = encode(text);
    //flip each of the 31 code bits
    for (j=0; j<=30; j++) {
      code = code ^ (1<<j);
    //and echck if the correct text is decoded
      if (decode(code) != text) {
	fprintf(stderr,"error on text %x, flipping bit %d\n", text,j);
	error_count++;
      }
      if (error_count>=50) exit(1);
      code = code ^ (1<<j);
    }
  }
}