2 Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
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.
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
13 /* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
15 /* quiet windows compiler warnings */
16 #define _CRT_NONSTDC_NO_WARNINGS
29 /* WARNING ! those 2 files will be destroyed by this test program */
32 #define FBASENAME1 "../Documents/sdldata1" /* this file will be created during tests */
33 #define FBASENAME2 "../Documents/sdldata2" /* this file should not exist before starting test */
35 #define FBASENAME1 "sdldata1" /* this file will be created during tests */
36 #define FBASENAME2 "sdldata2" /* this file should not exist before starting test */
40 #define NULL ((void *)0)
51 rwops_error_quit(unsigned line, SDL_RWops * rwops)
53 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "testfile.c(%d): failed\n", line);
55 rwops->close(rwops); /* This calls SDL_FreeRW(rwops); */
58 exit(1); /* quit with rwops error (test failed) */
61 #define RWOP_ERR_QUIT(x) rwops_error_quit( __LINE__, (x) )
66 main(int argc, char *argv[])
68 SDL_RWops *rwops = NULL;
71 /* Enable standard application logging */
72 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
76 /* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */
78 rwops = SDL_RWFromFile(NULL, NULL);
81 rwops = SDL_RWFromFile(NULL, "ab+");
84 rwops = SDL_RWFromFile(NULL, "sldfkjsldkfj");
87 rwops = SDL_RWFromFile("something", "");
90 rwops = SDL_RWFromFile("something", NULL);
93 SDL_Log("test1 OK\n");
95 /* test 2 : check that inexistent file is not successfully opened/created when required */
96 /* modes : r, r+ imply that file MUST exist
97 modes : a, a+, w, w+ checks that it succeeds (file may not exists)
100 rwops = SDL_RWFromFile(FBASENAME2, "rb"); /* this file doesn't exist that call must fail */
102 RWOP_ERR_QUIT(rwops);
103 rwops = SDL_RWFromFile(FBASENAME2, "rb+"); /* this file doesn't exist that call must fail */
105 RWOP_ERR_QUIT(rwops);
106 rwops = SDL_RWFromFile(FBASENAME2, "wb");
108 RWOP_ERR_QUIT(rwops);
111 rwops = SDL_RWFromFile(FBASENAME2, "wb+");
113 RWOP_ERR_QUIT(rwops);
116 rwops = SDL_RWFromFile(FBASENAME2, "ab");
118 RWOP_ERR_QUIT(rwops);
121 rwops = SDL_RWFromFile(FBASENAME2, "ab+");
123 RWOP_ERR_QUIT(rwops);
126 SDL_Log("test2 OK\n");
128 /* test 3 : creation, writing , reading, seeking,
129 test : w mode, r mode, w+ mode
131 rwops = SDL_RWFromFile(FBASENAME1, "wb"); /* write only */
133 RWOP_ERR_QUIT(rwops);
134 if (1 != rwops->write(rwops, "1234567890", 10, 1))
135 RWOP_ERR_QUIT(rwops);
136 if (10 != rwops->write(rwops, "1234567890", 1, 10))
137 RWOP_ERR_QUIT(rwops);
138 if (7 != rwops->write(rwops, "1234567", 1, 7))
139 RWOP_ERR_QUIT(rwops);
140 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
141 RWOP_ERR_QUIT(rwops);
142 if (0 != rwops->read(rwops, test_buf, 1, 1))
143 RWOP_ERR_QUIT(rwops); /* we are in write only mode */
146 rwops = SDL_RWFromFile(FBASENAME1, "rb"); /* read mode, file must exists */
148 RWOP_ERR_QUIT(rwops);
149 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
150 RWOP_ERR_QUIT(rwops);
151 if (20 != rwops->seek(rwops, -7, RW_SEEK_END))
152 RWOP_ERR_QUIT(rwops);
153 if (7 != rwops->read(rwops, test_buf, 1, 7))
154 RWOP_ERR_QUIT(rwops);
155 if (SDL_memcmp(test_buf, "1234567", 7))
156 RWOP_ERR_QUIT(rwops);
157 if (0 != rwops->read(rwops, test_buf, 1, 1))
158 RWOP_ERR_QUIT(rwops);
159 if (0 != rwops->read(rwops, test_buf, 10, 100))
160 RWOP_ERR_QUIT(rwops);
161 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR))
162 RWOP_ERR_QUIT(rwops);
163 if (2 != rwops->read(rwops, test_buf, 10, 3))
164 RWOP_ERR_QUIT(rwops);
165 if (SDL_memcmp(test_buf, "12345678901234567890", 20))
166 RWOP_ERR_QUIT(rwops);
167 if (0 != rwops->write(rwops, test_buf, 1, 1))
168 RWOP_ERR_QUIT(rwops); /* readonly mode */
171 /* test 3: same with w+ mode */
172 rwops = SDL_RWFromFile(FBASENAME1, "wb+"); /* write + read + truncation */
174 RWOP_ERR_QUIT(rwops);
175 if (1 != rwops->write(rwops, "1234567890", 10, 1))
176 RWOP_ERR_QUIT(rwops);
177 if (10 != rwops->write(rwops, "1234567890", 1, 10))
178 RWOP_ERR_QUIT(rwops);
179 if (7 != rwops->write(rwops, "1234567", 1, 7))
180 RWOP_ERR_QUIT(rwops);
181 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
182 RWOP_ERR_QUIT(rwops);
183 if (1 != rwops->read(rwops, test_buf, 1, 1))
184 RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
185 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
186 RWOP_ERR_QUIT(rwops);
187 if (20 != rwops->seek(rwops, -7, RW_SEEK_END))
188 RWOP_ERR_QUIT(rwops);
189 if (7 != rwops->read(rwops, test_buf, 1, 7))
190 RWOP_ERR_QUIT(rwops);
191 if (SDL_memcmp(test_buf, "1234567", 7))
192 RWOP_ERR_QUIT(rwops);
193 if (0 != rwops->read(rwops, test_buf, 1, 1))
194 RWOP_ERR_QUIT(rwops);
195 if (0 != rwops->read(rwops, test_buf, 10, 100))
196 RWOP_ERR_QUIT(rwops);
197 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR))
198 RWOP_ERR_QUIT(rwops);
199 if (2 != rwops->read(rwops, test_buf, 10, 3))
200 RWOP_ERR_QUIT(rwops);
201 if (SDL_memcmp(test_buf, "12345678901234567890", 20))
202 RWOP_ERR_QUIT(rwops);
204 SDL_Log("test3 OK\n");
206 /* test 4: same in r+ mode */
207 rwops = SDL_RWFromFile(FBASENAME1, "rb+"); /* write + read + file must exists, no truncation */
209 RWOP_ERR_QUIT(rwops);
210 if (1 != rwops->write(rwops, "1234567890", 10, 1))
211 RWOP_ERR_QUIT(rwops);
212 if (10 != rwops->write(rwops, "1234567890", 1, 10))
213 RWOP_ERR_QUIT(rwops);
214 if (7 != rwops->write(rwops, "1234567", 1, 7))
215 RWOP_ERR_QUIT(rwops);
216 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
217 RWOP_ERR_QUIT(rwops);
218 if (1 != rwops->read(rwops, test_buf, 1, 1))
219 RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
220 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
221 RWOP_ERR_QUIT(rwops);
222 if (20 != rwops->seek(rwops, -7, RW_SEEK_END))
223 RWOP_ERR_QUIT(rwops);
224 if (7 != rwops->read(rwops, test_buf, 1, 7))
225 RWOP_ERR_QUIT(rwops);
226 if (SDL_memcmp(test_buf, "1234567", 7))
227 RWOP_ERR_QUIT(rwops);
228 if (0 != rwops->read(rwops, test_buf, 1, 1))
229 RWOP_ERR_QUIT(rwops);
230 if (0 != rwops->read(rwops, test_buf, 10, 100))
231 RWOP_ERR_QUIT(rwops);
232 if (0 != rwops->seek(rwops, -27, RW_SEEK_CUR))
233 RWOP_ERR_QUIT(rwops);
234 if (2 != rwops->read(rwops, test_buf, 10, 3))
235 RWOP_ERR_QUIT(rwops);
236 if (SDL_memcmp(test_buf, "12345678901234567890", 20))
237 RWOP_ERR_QUIT(rwops);
239 SDL_Log("test4 OK\n");
241 /* test5 : append mode */
242 rwops = SDL_RWFromFile(FBASENAME1, "ab+"); /* write + read + append */
244 RWOP_ERR_QUIT(rwops);
245 if (1 != rwops->write(rwops, "1234567890", 10, 1))
246 RWOP_ERR_QUIT(rwops);
247 if (10 != rwops->write(rwops, "1234567890", 1, 10))
248 RWOP_ERR_QUIT(rwops);
249 if (7 != rwops->write(rwops, "1234567", 1, 7))
250 RWOP_ERR_QUIT(rwops);
251 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
252 RWOP_ERR_QUIT(rwops);
254 if (1 != rwops->read(rwops, test_buf, 1, 1))
255 RWOP_ERR_QUIT(rwops);
256 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
257 RWOP_ERR_QUIT(rwops);
259 if (20 + 27 != rwops->seek(rwops, -7, RW_SEEK_END))
260 RWOP_ERR_QUIT(rwops);
261 if (7 != rwops->read(rwops, test_buf, 1, 7))
262 RWOP_ERR_QUIT(rwops);
263 if (SDL_memcmp(test_buf, "1234567", 7))
264 RWOP_ERR_QUIT(rwops);
265 if (0 != rwops->read(rwops, test_buf, 1, 1))
266 RWOP_ERR_QUIT(rwops);
267 if (0 != rwops->read(rwops, test_buf, 10, 100))
268 RWOP_ERR_QUIT(rwops);
270 if (27 != rwops->seek(rwops, -27, RW_SEEK_CUR))
271 RWOP_ERR_QUIT(rwops);
273 if (0 != rwops->seek(rwops, 0L, RW_SEEK_SET))
274 RWOP_ERR_QUIT(rwops);
275 if (3 != rwops->read(rwops, test_buf, 10, 3))
276 RWOP_ERR_QUIT(rwops);
277 if (SDL_memcmp(test_buf, "123456789012345678901234567123", 30))
278 RWOP_ERR_QUIT(rwops);
280 SDL_Log("test5 OK\n");
282 return 0; /* all ok */