1 /* 2 Copyright (C) 1997-2014 Sam Lantinga <slouken (at) libsdl.org> 3 4 This software is provided 'as-is', without any express or implied 5 warranty. In no event will the authors be held liable for any damages 6 arising from the use of this software. 7 8 Permission is granted to anyone to use this software for any purpose, 9 including commercial applications, and to alter it and redistribute it 10 freely. 11 */ 12 13 /* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */ 14 15 /* quiet windows compiler warnings */ 16 #define _CRT_NONSTDC_NO_WARNINGS 17 18 #include <stdlib.h> 19 20 #ifndef _MSC_VER 21 #include <unistd.h> 22 #endif 23 24 #include "SDL.h" 25 #include "SDL_endian.h" 26 27 28 #include <stdio.h> 29 30 /* WARNING ! those 2 files will be destroyed by this test program */ 31 32 #ifdef __IPHONEOS__ 33 #define FBASENAME1 "../Documents/sdldata1" /* this file will be created during tests */ 34 #define FBASENAME2 "../Documents/sdldata2" /* this file should not exist before starting test */ 35 #else 36 #define FBASENAME1 "sdldata1" /* this file will be created during tests */ 37 #define FBASENAME2 "sdldata2" /* this file should not exist before starting test */ 38 #endif 39 40 #ifndef NULL 41 #define NULL ((void *)0) 42 #endif 43 44 static void 45 cleanup(void) 46 { 47 unlink(FBASENAME1); 48 unlink(FBASENAME2); 49 } 50 51 static void 52 rwops_error_quit(unsigned line, SDL_RWops * rwops) 53 { 54 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "testfile.c(%d): failed\n", line); 55 if (rwops) { 56 rwops->close(rwops); /* This calls SDL_FreeRW(rwops); */ 57 } 58 cleanup(); 59 exit(1); /* quit with rwops error (test failed) */ 60 } 61 62 #define RWOP_ERR_QUIT(x) rwops_error_quit( __LINE__, (x) ) 63 64 65 66 int 67 main(int argc, char *argv[]) 68 { 69 SDL_RWops *rwops = NULL; 70 char test_buf[30]; 71 72 /* Enable standard application logging */ 73 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); 74 75 cleanup(); 76 77 /* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */ 78 79 rwops = SDL_RWFromFile(NULL, NULL); 80 if (rwops) 81 RWOP_ERR_QUIT(rwops); 82 rwops = SDL_RWFromFile(NULL, "ab+"); 83 if (rwops) 84 RWOP_ERR_QUIT(rwops); 85 rwops = SDL_RWFromFile(NULL, "sldfkjsldkfj"); 86 if (rwops) 87 RWOP_ERR_QUIT(rwops); 88 rwops = SDL_RWFromFile("something", ""); 89 if (rwops) 90 RWOP_ERR_QUIT(rwops); 91 rwops = SDL_RWFromFile("something", NULL); 92 if (rwops) 93 RWOP_ERR_QUIT(rwops); 94 SDL_Log("test1 OK\n"); 95 96 /* test 2 : check that inexistent file is not successfully opened/created when required */ 97 /* modes : r, r+ imply that file MUST exist 98 modes : a, a+, w, w+ checks that it succeeds (file may not exists) 99 100 */ 101 rwops = SDL_RWFromFile(FBASENAME2, "rb"); /* this file doesn't exist that call must fail */ 102 if (rwops) 103 RWOP_ERR_QUIT(rwops); 104 rwops = SDL_RWFromFile(FBASENAME2, "rb+"); /* this file doesn't exist that call must fail */ 105 if (rwops) 106 RWOP_ERR_QUIT(rwops); 107 rwops = SDL_RWFromFile(FBASENAME2, "wb"); 108 if (!rwops) 109 RWOP_ERR_QUIT(rwops); 110 rwops->close(rwops); 111 unlink(FBASENAME2); 112 rwops = SDL_RWFromFile(FBASENAME2, "wb+"); 113 if (!rwops) 114 RWOP_ERR_QUIT(rwops); 115 rwops->close(rwops); 116 unlink(FBASENAME2); 117 rwops = SDL_RWFromFile(FBASENAME2, "ab"); 118 if (!rwops) 119 RWOP_ERR_QUIT(rwops); 120 rwops->close(rwops); 121 unlink(FBASENAME2); 122 rwops = SDL_RWFromFile(FBASENAME2, "ab+"); 123 if (!rwops) 124 RWOP_ERR_QUIT(rwops); 125 rwops->close(rwops); 126 unlink(FBASENAME2); 127 SDL_Log("test2 OK\n"); 128 129 /* test 3 : creation, writing , reading, seeking, 130 test : w mode, r mode, w+ mode 131 */ 132 rwops = SDL_RWFromFile(FBASENAME1, "wb"); /* write only */ 133 if (!rwops) 134 RWOP_ERR_QUIT(rwops); 135 if (1 != rwops->write(rwops, "1234567890", 10, 1)) 136 RWOP_ERR_QUIT(rwops); 137 if (10 != rwops->write(rwops, "1234567890", 1, 10)) 138 RWOP_ERR_QUIT(rwops); 139 if (7 != rwops->write(rwops, "1234567", 1, 7)) 140 RWOP_ERR_QUIT(rwops); 141 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 142 RWOP_ERR_QUIT(rwops); 143 if (0 != rwops->read(rwops, test_buf, 1, 1)) 144 RWOP_ERR_QUIT(rwops); /* we are in write only mode */ 145 rwops->close(rwops); 146 147 rwops = SDL_RWFromFile(FBASENAME1, "rb"); /* read mode, file must exists */ 148 if (!rwops) 149 RWOP_ERR_QUIT(rwops); 150 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 151 RWOP_ERR_QUIT(rwops); 152 if (20 != rwops->seek(rwops, -7, RW_SEEK_END)) 153 RWOP_ERR_QUIT(rwops); 154 if (7 != rwops->read(rwops, test_buf, 1, 7)) 155 RWOP_ERR_QUIT(rwops); 156 if (SDL_memcmp(test_buf, "1234567", 7)) 157 RWOP_ERR_QUIT(rwops); 158 if (0 != rwops->read(rwops, test_buf, 1, 1)) 159 RWOP_ERR_QUIT(rwops); 160 if (0 != rwops->read(rwops, test_buf, 10, 100)) 161 RWOP_ERR_QUIT(rwops); 162 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR)) 163 RWOP_ERR_QUIT(rwops); 164 if (2 != rwops->read(rwops, test_buf, 10, 3)) 165 RWOP_ERR_QUIT(rwops); 166 if (SDL_memcmp(test_buf, "12345678901234567890", 20)) 167 RWOP_ERR_QUIT(rwops); 168 if (0 != rwops->write(rwops, test_buf, 1, 1)) 169 RWOP_ERR_QUIT(rwops); /* readonly mode */ 170 rwops->close(rwops); 171 172 /* test 3: same with w+ mode */ 173 rwops = SDL_RWFromFile(FBASENAME1, "wb+"); /* write + read + truncation */ 174 if (!rwops) 175 RWOP_ERR_QUIT(rwops); 176 if (1 != rwops->write(rwops, "1234567890", 10, 1)) 177 RWOP_ERR_QUIT(rwops); 178 if (10 != rwops->write(rwops, "1234567890", 1, 10)) 179 RWOP_ERR_QUIT(rwops); 180 if (7 != rwops->write(rwops, "1234567", 1, 7)) 181 RWOP_ERR_QUIT(rwops); 182 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 183 RWOP_ERR_QUIT(rwops); 184 if (1 != rwops->read(rwops, test_buf, 1, 1)) 185 RWOP_ERR_QUIT(rwops); /* we are in read/write mode */ 186 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 187 RWOP_ERR_QUIT(rwops); 188 if (20 != rwops->seek(rwops, -7, RW_SEEK_END)) 189 RWOP_ERR_QUIT(rwops); 190 if (7 != rwops->read(rwops, test_buf, 1, 7)) 191 RWOP_ERR_QUIT(rwops); 192 if (SDL_memcmp(test_buf, "1234567", 7)) 193 RWOP_ERR_QUIT(rwops); 194 if (0 != rwops->read(rwops, test_buf, 1, 1)) 195 RWOP_ERR_QUIT(rwops); 196 if (0 != rwops->read(rwops, test_buf, 10, 100)) 197 RWOP_ERR_QUIT(rwops); 198 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR)) 199 RWOP_ERR_QUIT(rwops); 200 if (2 != rwops->read(rwops, test_buf, 10, 3)) 201 RWOP_ERR_QUIT(rwops); 202 if (SDL_memcmp(test_buf, "12345678901234567890", 20)) 203 RWOP_ERR_QUIT(rwops); 204 rwops->close(rwops); 205 SDL_Log("test3 OK\n"); 206 207 /* test 4: same in r+ mode */ 208 rwops = SDL_RWFromFile(FBASENAME1, "rb+"); /* write + read + file must exists, no truncation */ 209 if (!rwops) 210 RWOP_ERR_QUIT(rwops); 211 if (1 != rwops->write(rwops, "1234567890", 10, 1)) 212 RWOP_ERR_QUIT(rwops); 213 if (10 != rwops->write(rwops, "1234567890", 1, 10)) 214 RWOP_ERR_QUIT(rwops); 215 if (7 != rwops->write(rwops, "1234567", 1, 7)) 216 RWOP_ERR_QUIT(rwops); 217 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 218 RWOP_ERR_QUIT(rwops); 219 if (1 != rwops->read(rwops, test_buf, 1, 1)) 220 RWOP_ERR_QUIT(rwops); /* we are in read/write mode */ 221 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 222 RWOP_ERR_QUIT(rwops); 223 if (20 != rwops->seek(rwops, -7, RW_SEEK_END)) 224 RWOP_ERR_QUIT(rwops); 225 if (7 != rwops->read(rwops, test_buf, 1, 7)) 226 RWOP_ERR_QUIT(rwops); 227 if (SDL_memcmp(test_buf, "1234567", 7)) 228 RWOP_ERR_QUIT(rwops); 229 if (0 != rwops->read(rwops, test_buf, 1, 1)) 230 RWOP_ERR_QUIT(rwops); 231 if (0 != rwops->read(rwops, test_buf, 10, 100)) 232 RWOP_ERR_QUIT(rwops); 233 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR)) 234 RWOP_ERR_QUIT(rwops); 235 if (2 != rwops->read(rwops, test_buf, 10, 3)) 236 RWOP_ERR_QUIT(rwops); 237 if (SDL_memcmp(test_buf, "12345678901234567890", 20)) 238 RWOP_ERR_QUIT(rwops); 239 rwops->close(rwops); 240 SDL_Log("test4 OK\n"); 241 242 /* test5 : append mode */ 243 rwops = SDL_RWFromFile(FBASENAME1, "ab+"); /* write + read + append */ 244 if (!rwops) 245 RWOP_ERR_QUIT(rwops); 246 if (1 != rwops->write(rwops, "1234567890", 10, 1)) 247 RWOP_ERR_QUIT(rwops); 248 if (10 != rwops->write(rwops, "1234567890", 1, 10)) 249 RWOP_ERR_QUIT(rwops); 250 if (7 != rwops->write(rwops, "1234567", 1, 7)) 251 RWOP_ERR_QUIT(rwops); 252 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 253 RWOP_ERR_QUIT(rwops); 254 255 if (1 != rwops->read(rwops, test_buf, 1, 1)) 256 RWOP_ERR_QUIT(rwops); 257 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 258 RWOP_ERR_QUIT(rwops); 259 260 if (20 + 27 != rwops->seek(rwops, -7, RW_SEEK_END)) 261 RWOP_ERR_QUIT(rwops); 262 if (7 != rwops->read(rwops, test_buf, 1, 7)) 263 RWOP_ERR_QUIT(rwops); 264 if (SDL_memcmp(test_buf, "1234567", 7)) 265 RWOP_ERR_QUIT(rwops); 266 if (0 != rwops->read(rwops, test_buf, 1, 1)) 267 RWOP_ERR_QUIT(rwops); 268 if (0 != rwops->read(rwops, test_buf, 10, 100)) 269 RWOP_ERR_QUIT(rwops); 270 271 if (27 != rwops->seek(rwops, -27, RW_SEEK_CUR)) 272 RWOP_ERR_QUIT(rwops); 273 274 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET)) 275 RWOP_ERR_QUIT(rwops); 276 if (3 != rwops->read(rwops, test_buf, 10, 3)) 277 RWOP_ERR_QUIT(rwops); 278 if (SDL_memcmp(test_buf, "123456789012345678901234567123", 30)) 279 RWOP_ERR_QUIT(rwops); 280 rwops->close(rwops); 281 SDL_Log("test5 OK\n"); 282 cleanup(); 283 return 0; /* all ok */ 284 } 285
