direct/timothy_tests/mirror_tests/mirror_tests.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2010 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "mirror_tests.h"
  15
  16 int random_seed;
  17 int simulate_power_failure = 0;
  18
  19 int num_of_random_tests=1;
  20
  21
  22
  23 typedef struct test_list_temp2{
  24         char *test_name;
  25         int (*test_pointer)(arg_temp *args_struct);
  26 }test_list_temp;
  27
  28 typedef struct test_temp2 {
  29         int num_of_tests;
  30         test_list_temp test_list[];
  31 }test_temp;
  32
  33 test_temp yaffs_tests={
  34         0,
  35         {{"yaffs_test_open",yaffs_test_open}
  36         }
  37 };
  38
  39 test_temp linux_tests={
  40         0,
  41         {{"linux_test_open",linux_test_open}
  42         }
  43 };
  44
  45
  46 int main(int argc, char *argv[])
  47 {
  48         char message[100];
  49         int x;
  50         yaffs_tests.num_of_tests=(sizeof(yaffs_tests)/sizeof(test_temp));
  51         linux_tests.num_of_tests=(sizeof(linux_tests)/sizeof(test_temp));
  52
  53         init(argc,argv);
  54         print_message(1,"running mirror_tests\n");
  55         sprintf(message,"linux_root_path: %s\n",linux_struct.root_path);
  56         print_message(3,message);
  57         sprintf(message,"yaffs_root_path: %s\n",yaffs_struct.root_path);
  58         print_message(3,message);
  59         sprintf(message,"linux_num_of_tests: %d\n",linux_tests.num_of_tests);
  60         print_message(3,message);
  61         sprintf(message,"yaffs_num_of_tests: %d\n",yaffs_tests.num_of_tests);
  62         print_message(3,message);
  63         for (x=0;x<num_of_random_tests;x++){
  64                 run_random_test();
  65         }
  66         return 0;
  67 }
  68
  69 void init(int argc, char *argv[])
  70 {
  71         char dir[200];
  72         dir[0]='\0';
  73         int x=-1;
  74         char message[100];
  75
  76         srand(time(NULL));
  77         linux_struct.type_of_test =LINUX;
  78         yaffs_struct.type_of_test =YAFFS;
  79
  80         sprintf(message,"current absolute path is: %s\n",getcwd(dir,200));
  81         print_message(3,message);
  82         strcpy(dir,getcwd(dir,200));
  83
  84         strcat(dir,"/test/");
  85         printf("dir: %s\n",dir);
  86         strcpy(linux_struct.root_path,dir);
  87         strcpy(yaffs_struct.root_path,"yaffs2/test/");
  88
  89
  90         for (x=0;x<argc;x++){
  91                 if (strcmp(argv[x],"-h")==0){
  92                         printf("mirror_tests help\n");
  93                         printf("arguments:\n");
  94                         printf("\t-yaffs_path [PATH] //sets the path for yaffs.\n");
  95                         printf("\t-linux_path [PATH] //sets the path for linux.\n");
  96                         printf("\t-p [NUMBER] //sets the print level for mirror_tests.\n");
  97                         printf("\t-v //verbose mode everything is printed\n");
  98                         printf("\t-q //quiet mode nothing is printed.\n");
  99                         printf("\t-n [number] //sets the number of random tests to run.\n");
 100                         printf("\t-s [number] //seeds rand with the number\n");
 101                         exit(0);
 102                 } else if (strcmp(argv[x],"-yaffs_path")==0){
 103                         strcpy(yaffs_struct.root_path, argv[x+1]);
 104                 } else if (strcmp(argv[x],"-linux_path")==0){
 105                         strcpy(linux_struct.root_path, argv[x+1]);
 106                 } else if (strcmp(argv[x],"-p")==0){
 107                         set_print_level(atoi(argv[x+1]));
 108                 } else if (strcmp(argv[x],"-v")==0){
 109                         set_print_level(5);
 110                 } else if (strcmp(argv[x],"-q")==0){
 111                         set_print_level(-1);
 112                 } else if (strcmp(argv[x],"-n")==0){
 113                         num_of_random_tests=atoi(argv[x+1]);
 114                 } else if (strcmp(argv[x],"-n")==0){
 115                         srand(atoi(argv[x+1]));
 116                 }
 117         }
 118
 119         yaffs_start_up();
 120         print_message(message,"\nmounting yaffs\n");
 121         x=yaffs_mount("yaffs2");
 122         if (x<0) {
 123                 print_message(3,"failed to mount yaffs\n");
 124                 get_error_yaffs();
 125         } else {
 126                 print_message(3,"mounted yaffs\n");
 127         }
 128
 129
 130         print_message(3,"\nmaking linux test dir\n");
 131         x=mkdir(linux_struct.root_path,0777);
 132         if (x<0) {
 133                 print_message(1,"failed to make dir\n");
 134                 get_error_linux();
 135         } else {
 136                 print_message(3,"made dir\n");
 137         }
 138
 139         print_message(3,"\nmaking yaffs test dir\n");
 140         x=yaffs_mkdir(yaffs_struct.root_path,0777);
 141         if (x<0) {
 142                 print_message(1,"failed to make dir\n");
 143                 get_error_yaffs();
 144         } else {
 145                 print_message(3,"made dir\n");
 146         }
 147 }
 148
 149 int run_random_test(void)
 150 {
 151         int x=-1;
 152         int id=0;
 153         int test_id=-1;
 154         int num_of_tests=1;
 155         char message[15];
 156         arg_temp args_struct;
 157         for (x=0;x<num_of_tests;x++) {
 158                 errno=0;
 159                 yaffs_set_error(0);
 160                 test_id = select_test_id(yaffs_tests.num_of_tests);
 161                 sprintf(message,"test_id %d\n",test_id);
 162                 print_message(3,message);
 163                 generate_random_numbers(&args_struct);
 164                 run_yaffs_test(id, &args_struct);
 165                 run_linux_test(id, &args_struct);
 166                 if      ((abs(yaffs_get_error())!=abs(errno)) &&
 167                         (abs(yaffs_get_error())!=EISDIR && abs(errno) != 0)
 168                         ){
 169                         print_message(2,"\ndiffrence in returned errors######################################\n");
 170                         get_error_yaffs();
 171                         get_error_linux();
 172                         if (get_exit_on_error()){
 173                                 exit(0);
 174                         }
 175                 }
 176         }
 177         compare_linux_and_yaffs();
 178 }
 179
 180 int select_test_id(int test_len)
 181 {
 182         int id=0;
 183         id=(rand() % test_len );
 184         return id;
 185
 186 }
 187
 188 int compare_linux_and_yaffs(void)
 189 {
 190 //      generate_array_of_objects_in_yaffs();
 191 //      generate_array_of_objects_in_linux();
 192         //first do a check to see if both sides have the same objects on both sides.
 193         //then stat all of the files and compare size and mode
 194         //read the text of each file and compare them.
 195
 196         //show the diffrences by printing them.
 197
 198 }
 199
 200 void generate_random_numbers(arg_temp *args_struct)
 201 {
 202         char string[51];
 203         args_struct->char1= (rand() % 255);
 204         args_struct->char2= (rand() % 255);
 205         args_struct->int1= (rand() % 100000);
 206         args_struct->int2= (rand() % 100000);
 207         generate_random_string(string,50);
 208         strcpy(args_struct->string1, string);
 209         generate_random_string(string,50);
 210         strcpy(args_struct->string2, string);
 211 }
 212
 213 void run_yaffs_test(int id,arg_temp *args_struct)
 214 {
 215         char message[30];
 216         int output =0;
 217         print_message(3,"\n");
 218         sprintf(message,"running_test %s\n",yaffs_tests.test_list[id].test_name);
 219         print_message(3,message);
 220         output=yaffs_tests.test_list[id].test_pointer(args_struct);
 221         if (output<0) {
 222                 sprintf(message,"test_failed %s\n",yaffs_tests.test_list[id].test_name);
 223                 print_message(3,message);
 224         } else {
 225                 print_message(3,"test_passed\n");
 226         }
 227 }
 228
 229 void run_linux_test(int id,arg_temp *args_struct)
 230 {
 231         char message[30];
 232         int output =0;
 233         print_message(3,"\n");
 234         sprintf(message,"running_test %s\n",linux_tests.test_list[id].test_name);
 235         print_message(3,message);
 236         output=linux_tests.test_list[id].test_pointer(args_struct);
 237         if (output<0) {
 238                 sprintf(message,"test_failed %s\n",linux_tests.test_list[id].test_name);
 239                 print_message(3,message);
 240         } else {
 241                 print_message(3,"test_passed\n");
 242         }
 243 }
 244
 245 void get_error_yaffs(void)
 246 {
 247         int error_code=0;
 248         char message[30];
 249         message[0]='\0';
 250
 251         error_code=yaffs_get_error();
 252         sprintf(message,"yaffs_error code %d\n",error_code);
 253         print_message(1,message);
 254         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 255         print_message(1,message);
 256 }
 257
 258 void get_error_linux(void)
 259 {
 260         int error_code=0;
 261         char message[30];
 262         message[0]='\0';
 263
 264         error_code=errno;
 265         sprintf(message,"linux_error code %d\n",error_code);
 266         print_message(1,message);
 267         strcpy(message,"error code");
 268         sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 269         //perror(message);
 270         print_message(1,message);
 271 }
 272