#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <stdint.h>
#include <stdlib.h>
#include "StrFns.h"

void testStrLength(FILE *Log);
void testStrCopy(FILE *Log);

FILE *Log;

#define FOR_LINUX
#ifdef FOR_LINUX
void segfaultHandler(int sig) {
   fprintf(Log, "Oops... the system sent a SIGSEGV to this process.\n");
   fprintf(Log, "You must have created a bad pointer!\n");
   exit(1);
}
#endif

int main(int argc, char** argv) {

	#ifdef FOR_LINUX
      signal(SIGSEGV, segfaultHandler);
   #endif

   Log = fopen("Log.txt", "w");

   fprintf(Log, "Test program for C string function implementations.\n");
   
   fprintf(Log, "Beginning test of strlength() implementation.\n");
   testStrLength(Log);
   fprintf(Log, "Completed test of strlength() implementation.\n");

   fprintf(Log, "\n");
   
   fprintf(Log, "Beginning test of strcopy() implementation.\n");
   testStrCopy(Log);
   fprintf(Log, "Completed test of strcopy() implementation.\n");
   
   fclose(Log);
   return 0;
}

void testStrLength(FILE *Log) {

   char* s = "Try different strings here.";   // test string
   uint32_t Length = strlen(s);           // use Standard Lib fn as check
   
   fprintf(Log, "Test string of length %u:  %s\n", Length, s);
   unsigned int reportedLength = stringlength(s);
   fprintf(Log, "Reported length is:\n");
   fprintf(Log, "%u\n", reportedLength);
}

void testStrCopy(FILE *Log) {

   char* s = "Try different strings here.";   // test string
   uint32_t Length = strlen(s);           // use Standard Lib fn to get length
   char* t = NULL;                            // pointer for copy
   
   fprintf(Log, "Test string:  %s\n", s);
   t = stringcopy(s);
   fprintf(Log, "Copy made was:\n");
   fprintf(Log, "%s\n", t);
   free(t);                                   // dealloc space for copy
}