Set up a test framework.
[yaffs2.git] / direct / tests / fuzzer.c
diff --git a/direct/tests/fuzzer.c b/direct/tests/fuzzer.c
deleted file mode 100644 (file)
index 9eaeefb..0000000
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2011 Aleph One Ltd.
- *   for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/*
- * Fuzzer to fuzz a file
- */
-
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <pthread.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
-                     
-int main(int argc, char *argv[])
-{
-       int prob = 10000;
-       int h;
-       int flen = 0;
-       int changesPerBuffer = 0;
-       int b;
-       char c;
-       unsigned char buffer[1000000];
-       int bufsize;
-       int x;
-       int i;
-       int nbuffers;
-
-       while((c = getopt(argc,argv,"p:")) != -1){
-               switch(c){
-                       case 'p':
-                               prob = atoi(optarg);
-                               break;
-               }
-       }
-       if(prob < 100){
-               printf("-p value less than 100 is invalid\n");
-               return 1;
-       }
-       
-       if(optind >= argc){
-               printf(" Needs a file name to fuzz\n");
-               return 1;
-       }
-       
-       h = open(argv[optind], O_RDWR);
-       flen = lseek(h,0,SEEK_END);
-       lseek(h,0,SEEK_SET);
-       if(flen < 1){
-               printf(" File is too short\n");
-               return 1;
-       }
-       
-       nbuffers = (flen + sizeof(buffer) - 1) / sizeof(buffer);
-
-       changesPerBuffer = 1+ (sizeof(buffer) * 8) / prob;
-
-       printf("Fuzzing file %s. Size %d, probablity 1/%d, changing %d bits in each of %d buffers\n",
-               argv[optind],flen,prob,changesPerBuffer,nbuffers);
-
-       srand(time(0));
-
-       for(b = 0; b < nbuffers; b++){
-               /* printf("buffer %d\n",b); */
-               lseek(h,b * sizeof(buffer),SEEK_SET);
-               bufsize = read(h,buffer,sizeof(buffer));
-               for(i = 0; i < changesPerBuffer; i++){
-                       x = rand() % (sizeof(buffer) * 8);
-                       buffer[x >> 3] ^= (1 << (x & 7));
-               }
-               lseek(h,b * sizeof(buffer),SEEK_SET);
-               write(h,buffer,bufsize);
-       }
-       close(h);
-       return 0;
-}