test/testfile.c

   1
   2 /* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
   3
   4 #include <stdlib.h>
   5
   6 #ifndef _MSC_VER
   7 #include <unistd.h>
   8 #endif
   9
  10 #include "SDL.h"
  11 #include "SDL_endian.h"
  12
  13
  14 #include <stdio.h>
  15
  16 /* WARNING ! those 2 files will be destroyed by this test program */
  17 #define FBASENAME1      "sdldata1"              /* this file will be created during tests */
  18 #define FBASENAME2      "sdldata2"              /* this file should not exists before starting test */
  19
  20
  21 #ifndef NULL
  22 #define NULL ((void *)0)
  23 #endif
  24
  25 static void cleanup( void ) {
  26
  27         unlink(FBASENAME1);
  28         unlink(FBASENAME2);
  29 }
  30
  31 static void rwops_error_quit( unsigned line, SDL_RWops *rwops) {
  32
  33         printf("testfile.c(%d): failed\n",line);
  34         if (rwops) {
  35                 rwops->close(rwops); /* This calls SDL_FreeRW(rwops); */
  36         }
  37         cleanup();
  38         exit(1); /* quit with rwops error (test failed) */
  39 }
  40
  41 #define RWOP_ERR_QUIT(x)        rwops_error_quit( __LINE__, (x) )
  42
  43
  44
  45 int main(int argc, char *argv[])
  46 {
  47         SDL_RWops *rwops = NULL;
  48         char test_buf[30];
  49
  50         cleanup();
  51
  52 /* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */
  53
  54         rwops = SDL_RWFromFile(NULL,NULL);
  55         if (rwops) RWOP_ERR_QUIT(rwops);
  56         rwops = SDL_RWFromFile(NULL,"ab+");
  57         if (rwops) RWOP_ERR_QUIT(rwops);
  58         rwops = SDL_RWFromFile(NULL,"sldfkjsldkfj");
  59         if (rwops) RWOP_ERR_QUIT(rwops);
  60         rwops = SDL_RWFromFile("something","");
  61         if (rwops) RWOP_ERR_QUIT(rwops);
  62         rwops = SDL_RWFromFile("something",NULL);
  63         if (rwops) RWOP_ERR_QUIT(rwops);
  64         printf("test1 OK\n");
  65
  66 /* test 2 : check that inexistant file is not successfully opened/created when required */
  67 /* modes : r, r+ implie that file MUST exist
  68    modes : a, a+, w, w+ checks that it succeeds (file may not exists)
  69
  70  */
  71         rwops = SDL_RWFromFile(FBASENAME2,"rb"); /* this file doesn't exist that call must fail */
  72         if (rwops) RWOP_ERR_QUIT(rwops);
  73         rwops = SDL_RWFromFile(FBASENAME2,"rb+"); /* this file doesn't exist that call must fail */
  74         if (rwops) RWOP_ERR_QUIT(rwops);
  75         rwops = SDL_RWFromFile(FBASENAME2,"wb");
  76         if (!rwops) RWOP_ERR_QUIT(rwops);
  77         rwops->close(rwops); unlink(FBASENAME2);
  78         rwops = SDL_RWFromFile(FBASENAME2,"wb+");
  79         if (!rwops) RWOP_ERR_QUIT(rwops);
  80         rwops->close(rwops); unlink(FBASENAME2);
  81         rwops = SDL_RWFromFile(FBASENAME2,"ab");
  82         if (!rwops) RWOP_ERR_QUIT(rwops);
  83         rwops->close(rwops); unlink(FBASENAME2);
  84         rwops = SDL_RWFromFile(FBASENAME2,"ab+");
  85         if (!rwops) RWOP_ERR_QUIT(rwops);
  86         rwops->close(rwops); unlink(FBASENAME2);
  87         printf("test2 OK\n");
  88
  89 /* test 3 : creation, writing , reading, seeking,
  90                 test : w mode, r mode, w+ mode
  91  */
  92         rwops = SDL_RWFromFile(FBASENAME1,"wb"); /* write only */
  93         if (!rwops)                                                                                     RWOP_ERR_QUIT(rwops);
  94         if (1 != rwops->write(rwops,"1234567890",10,1) )        RWOP_ERR_QUIT(rwops);
  95         if (10 != rwops->write(rwops,"1234567890",1,10) )       RWOP_ERR_QUIT(rwops);
  96         if (7 != rwops->write(rwops,"1234567",1,7) )            RWOP_ERR_QUIT(rwops);
  97         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
  98         if (0!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops); /* we are in write only mode */
  99         rwops->close(rwops);
 100
 101         rwops = SDL_RWFromFile(FBASENAME1,"rb"); /* read mode, file must exists */
 102         if (!rwops)                                                                                     RWOP_ERR_QUIT(rwops);
 103         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 104         if (20!=rwops->seek(rwops,-7,RW_SEEK_END))                      RWOP_ERR_QUIT(rwops);
 105         if (7!=rwops->read(rwops,test_buf,1,7))                         RWOP_ERR_QUIT(rwops);
 106         if (SDL_memcmp(test_buf,"1234567",7))                           RWOP_ERR_QUIT(rwops);
 107         if (0!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops);
 108         if (0!=rwops->read(rwops,test_buf,10,100))                      RWOP_ERR_QUIT(rwops);
 109         if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR))                      RWOP_ERR_QUIT(rwops);
 110         if (2!=rwops->read(rwops,test_buf,10,3))                        RWOP_ERR_QUIT(rwops);
 111         if (SDL_memcmp(test_buf,"12345678901234567890",20))     RWOP_ERR_QUIT(rwops);
 112         if (0!=rwops->write(rwops,test_buf,1,1))                        RWOP_ERR_QUIT(rwops); /* readonly mode */
 113         rwops->close(rwops);
 114
 115 /* test 3: same with w+ mode */
 116         rwops = SDL_RWFromFile(FBASENAME1,"wb+"); /* write + read + truncation */
 117         if (!rwops)                                                                                     RWOP_ERR_QUIT(rwops);
 118         if (1 != rwops->write(rwops,"1234567890",10,1) )        RWOP_ERR_QUIT(rwops);
 119         if (10 != rwops->write(rwops,"1234567890",1,10) )       RWOP_ERR_QUIT(rwops);
 120         if (7 != rwops->write(rwops,"1234567",1,7) )            RWOP_ERR_QUIT(rwops);
 121         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 122         if (1!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
 123         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 124         if (20!=rwops->seek(rwops,-7,RW_SEEK_END))                      RWOP_ERR_QUIT(rwops);
 125         if (7!=rwops->read(rwops,test_buf,1,7))                         RWOP_ERR_QUIT(rwops);
 126         if (SDL_memcmp(test_buf,"1234567",7))                           RWOP_ERR_QUIT(rwops);
 127         if (0!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops);
 128         if (0!=rwops->read(rwops,test_buf,10,100))                      RWOP_ERR_QUIT(rwops);
 129         if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR))                      RWOP_ERR_QUIT(rwops);
 130         if (2!=rwops->read(rwops,test_buf,10,3))                        RWOP_ERR_QUIT(rwops);
 131         if (SDL_memcmp(test_buf,"12345678901234567890",20))     RWOP_ERR_QUIT(rwops);
 132         rwops->close(rwops);
 133         printf("test3 OK\n");
 134
 135 /* test 4: same in r+ mode */
 136         rwops = SDL_RWFromFile(FBASENAME1,"rb+"); /* write + read + file must exists, no truncation */
 137         if (!rwops)                                                                                     RWOP_ERR_QUIT(rwops);
 138         if (1 != rwops->write(rwops,"1234567890",10,1) )        RWOP_ERR_QUIT(rwops);
 139         if (10 != rwops->write(rwops,"1234567890",1,10) )       RWOP_ERR_QUIT(rwops);
 140         if (7 != rwops->write(rwops,"1234567",1,7) )            RWOP_ERR_QUIT(rwops);
 141         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 142         if (1!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
 143         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 144         if (20!=rwops->seek(rwops,-7,RW_SEEK_END))                      RWOP_ERR_QUIT(rwops);
 145         if (7!=rwops->read(rwops,test_buf,1,7))                         RWOP_ERR_QUIT(rwops);
 146         if (SDL_memcmp(test_buf,"1234567",7))                           RWOP_ERR_QUIT(rwops);
 147         if (0!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops);
 148         if (0!=rwops->read(rwops,test_buf,10,100))                      RWOP_ERR_QUIT(rwops);
 149         if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR))                      RWOP_ERR_QUIT(rwops);
 150         if (2!=rwops->read(rwops,test_buf,10,3))                        RWOP_ERR_QUIT(rwops);
 151         if (SDL_memcmp(test_buf,"12345678901234567890",20))     RWOP_ERR_QUIT(rwops);
 152         rwops->close(rwops);
 153         printf("test4 OK\n");
 154
 155 /* test5 : append mode */
 156         rwops = SDL_RWFromFile(FBASENAME1,"ab+"); /* write + read + append */
 157         if (!rwops)                                                                                     RWOP_ERR_QUIT(rwops);
 158         if (1 != rwops->write(rwops,"1234567890",10,1) )        RWOP_ERR_QUIT(rwops);
 159         if (10 != rwops->write(rwops,"1234567890",1,10) )       RWOP_ERR_QUIT(rwops);
 160         if (7 != rwops->write(rwops,"1234567",1,7) )            RWOP_ERR_QUIT(rwops);
 161         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 162
 163         if (1!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops);
 164         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 165
 166         if (20+27!=rwops->seek(rwops,-7,RW_SEEK_END))           RWOP_ERR_QUIT(rwops);
 167         if (7!=rwops->read(rwops,test_buf,1,7))                         RWOP_ERR_QUIT(rwops);
 168         if (SDL_memcmp(test_buf,"1234567",7))                           RWOP_ERR_QUIT(rwops);
 169         if (0!=rwops->read(rwops,test_buf,1,1))                         RWOP_ERR_QUIT(rwops);
 170         if (0!=rwops->read(rwops,test_buf,10,100))                      RWOP_ERR_QUIT(rwops);
 171
 172         if (27!=rwops->seek(rwops,-27,RW_SEEK_CUR))                     RWOP_ERR_QUIT(rwops);
 173
 174         if (0!=rwops->seek(rwops,0L,RW_SEEK_SET))                       RWOP_ERR_QUIT(rwops);
 175         if (3!=rwops->read(rwops,test_buf,10,3))                        RWOP_ERR_QUIT(rwops);
 176         if (SDL_memcmp(test_buf,"123456789012345678901234567123",30))
 177                                                                                                                 RWOP_ERR_QUIT(rwops);
 178         rwops->close(rwops);
 179         printf("test5 OK\n");
 180         cleanup();
 181         return 0; /* all ok */
 182 }