source: trunk/minix/test/test19.c@ 12

Last change on this file since 12 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a
File size: 14.3 KB
Line 
1#include <sys/types.h>
2#include <sys/stat.h>
3#include <errno.h>
4#include <fcntl.h>
5#include <signal.h>
6#include <stdlib.h>
7#include <unistd.h>
8#include <stdio.h>
9
10#define MAX_ERROR 4
11#define NB 30L
12#define NBOUNDS 6
13
14int errct, subtest, passes, pipesigs;
15long t1;
16
17char aa[100];
18char b[4] = {0, 1, 2, 3}, c[4] = {10, 20, 30, 40}, d[4] = {6, 7, 8, 9};
19long bounds[NBOUNDS] = {7, 9, 50, 519, 520, 40000L};
20char buff[30000];
21
22_PROTOTYPE(int main, (int argc, char *argv[]));
23_PROTOTYPE(void test19a, (void));
24_PROTOTYPE(void test19b, (void));
25_PROTOTYPE(void test19c, (void));
26_PROTOTYPE(void test19d, (void));
27_PROTOTYPE(void test19e, (void));
28_PROTOTYPE(void test19f, (void));
29_PROTOTYPE(void test19g, (void));
30_PROTOTYPE(void clraa, (void));
31_PROTOTYPE(void pipecatcher, (int s));
32_PROTOTYPE(void e, (int n));
33_PROTOTYPE(void quit, (void));
34
35int main(argc, argv)
36int argc;
37char *argv[];
38{
39 int i, m;
40
41 m = (argc == 2 ? atoi(argv[1]) : 0xFFFF);
42
43 if (geteuid() == 0 || getuid() == 0) {
44 printf("Test 19 cannot run as root; test aborted\n");
45 exit(1);
46 }
47
48 system("rm -rf DIR_19; mkdir DIR_19");
49 chdir("DIR_19");
50
51 printf("Test 19 ");
52 fflush(stdout);
53 for (i = 0; i < 4; i++) {
54 if (m & 0001) test19a();
55 if (m & 0002) test19b();
56 if (m & 0004) test19c();
57 if (m & 0010) test19d();
58 if (m & 0020) test19e();
59 if (m & 0040) test19f();
60 if (m & 0100) test19g();
61 passes++;
62 }
63 quit();
64 return(-1); /* impossible */
65}
66
67void test19a()
68{
69/* Test open with O_CREAT and O_EXCL. */
70
71 int fd;
72
73 subtest = 1;
74
75 if ( (fd = creat("T19.a1", 0777)) != 3) e(1); /* create test file */
76 if (close(fd) != 0) e(2);
77 if ( (fd = open("T19.a1", O_RDONLY)) != 3) e(3);
78 if (close(fd) != 0) e(4);
79 if ( (fd = open("T19.a1", O_WRONLY)) != 3) e(5);
80 if (close(fd) != 0) e(6);
81 if ( (fd = open("T19.a1", O_RDWR)) != 3) e(7);
82 if (close(fd) != 0) e(8);
83
84 /* See if O_CREAT actually creates a file. */
85 if ( (fd = open("T19.a2", O_RDONLY)) != -1) e(9); /* must fail */
86 if ( (fd = open("T19.a2", O_RDONLY | O_CREAT, 0444)) != 3) e(10);
87 if (close(fd) != 0) e(11);
88 if ( (fd = open("T19.a2", O_RDONLY)) != 3) e(12);
89 if (close(fd) != 0) e(13);
90 if ( (fd = open("T19.a2", O_WRONLY)) != -1) e(14);
91 if ( (fd = open("T19.a2", O_RDWR)) != -1) e(15);
92
93 /* See what O_CREAT does on an existing file. */
94 if ( (fd = open("T19.a2", O_RDONLY | O_CREAT, 0777)) != 3) e(16);
95 if (close(fd) != 0) e(17);
96 if ( (fd = open("T19.a2", O_RDONLY)) != 3) e(18);
97 if (close(fd) != 0) e(19);
98 if ( (fd = open("T19.a2", O_WRONLY)) != -1) e(20);
99 if ( (fd = open("T19.a2", O_RDWR)) != -1) e(21);
100
101 /* See if O_EXCL works. */
102 if ( (fd = open("T19.a2", O_RDONLY | O_EXCL)) != 3) e(22);
103 if (close(fd) != 0) e(23);
104 if ( (fd = open("T19.a2", O_WRONLY | O_EXCL)) != -1) e(24);
105 if ( (fd = open("T19.a3", O_RDONLY | O_EXCL)) != -1) e(25);
106 if ( (fd = open("T19.a3", O_RDONLY | O_CREAT | O_EXCL, 0444)) != 3) e(26);
107 if (close(fd) != 0) e(27);
108 errno = 0;
109 if ( (fd = open("T19.a3", O_RDONLY | O_CREAT | O_EXCL, 0444)) != -1) e(28);
110 if (errno != EEXIST) e(29);
111
112 if (unlink("T19.a1") != 0) e(30);
113 if (unlink("T19.a2") != 0) e(31);
114 if (unlink("T19.a3") != 0) e(32);
115}
116
117void test19b()
118{
119/* Test open with O_APPEND and O_TRUNC. */
120
121 int fd;
122
123 subtest = 2;
124
125 if ( (fd = creat("T19.b1", 0777)) != 3) e(1); /* create test file */
126 if (write(fd, b, 4) != 4) e(2);
127 if (close(fd) != 0) e(3);
128 clraa();
129 if ( (fd = open("T19.b1", O_RDWR | O_APPEND)) != 3) e(4);
130 if (read(fd, aa, 100) != 4) e(5);
131 if (aa[0] != 0 || aa[1] != 1 || aa[2] != 2 || aa[3] != 3) e(6);
132 if (close(fd) != 0) e(7);
133 if ( (fd = open("T19.b1", O_RDWR | O_APPEND)) != 3) e(8);
134 if (write(fd, b, 4) != 4) e(9);
135 if (lseek(fd, 0L, SEEK_SET) != 0L) e(10);
136 clraa();
137 if (read(fd, aa, 100) != 8) e(11);
138 if (aa[4] != 0 || aa[5] != 1 || aa[6] != 2 || aa[7] != 3) e(12);
139 if (close(fd) != 0) e(13);
140
141 if ( (fd = open("T19.b1", O_RDWR | O_TRUNC)) != 3) e(14);
142 if (read(fd, aa, 100) != 0) e(15);
143 if (close(fd) != 0) e(16);
144
145 unlink("T19.b1");
146}
147
148void test19c()
149{
150/* Test program for open(), close(), creat(), read(), write(), lseek(). */
151
152 int i, n, n1, n2;
153
154 subtest = 3;
155 if ((n = creat("foop", 0777)) != 3) e(1);
156 if ((n1 = creat("foop", 0777)) != 4) e(2);
157 if ((n2 = creat("/", 0777)) != -1) e(3);
158 if (close(n) != 0) e(4);
159 if ((n = open("foop", O_RDONLY)) != 3) e(5);
160 if ((n2 = open("nofile", O_RDONLY)) != -1) e(6);
161 if (close(n1) != 0) e(7);
162
163 /* N is the only one open now. */
164 for (i = 0; i < 2; i++) {
165 n1 = creat("File2", 0777);
166 if (n1 != 4) {
167 printf("creat yielded fd=%d, expected 4\n", n1);
168 e(8);
169 }
170 if ((n2 = open("File2", O_RDONLY)) != 5) e(9);
171 if (close(n1) != 0) e(10);
172 if (close(n2) != 0) e(11);
173 }
174 unlink("File2");
175 if (close(n) != 0) e(12);
176
177 /* All files closed now. */
178 for (i = 0; i < 2; i++) {
179 if ((n = creat("foop", 0777)) != 3) e(13);
180 if (close(n) != 0) e(14);
181 if ((n = open("foop", O_RDWR)) != 3) e(15);
182
183 /* Read/write tests */
184 if (write(n, b, 4) != 4) e(16);
185 if (read(n, aa, 4) != 0) e(17);
186 if (lseek(n, 0L, SEEK_SET) != 0L) e(18);
187 if (read(n, aa, 4) != 4) e(19);
188 if (aa[0] != 0 || aa[1] != 1 || aa[2] != 2 || aa[3] != 3) e(20);
189 if (lseek(n, 0L, SEEK_SET) != 0L) e(21);
190 if (lseek(n, 2L, SEEK_CUR) != 2L) e(22);
191 if (read(n, aa, 4) != 2) e(23);
192 if (aa[0] != 2 || aa[1] != 3 || aa[2] != 2 || aa[3] != 3) e(24);
193 if (lseek(n, 2L, SEEK_SET) != 2L) e(25);
194 clraa();
195 if (write(n, c, 4) != 4) e(26);
196 if (lseek(n, 0L, SEEK_SET) != 0L) e(27);
197 if (read(n, aa, 10) != 6) e(28);
198 if (aa[0] != 0 || aa[1] != 1 || aa[2] != 10 || aa[3] != 20) e(29);
199 if (lseek(n, 16L, SEEK_SET) != 16L) e(30);
200 if (lseek(n, 2040L, SEEK_END) != 2046L) e(31);
201 if (read(n, aa, 10) != 0) e(32);
202 if (lseek(n, 0L, SEEK_CUR) != 2046L) e(33);
203 clraa();
204 if (write(n, c, 4) != 4) e(34);
205 if (lseek(n, 0L, SEEK_CUR) != 2050L) e(35);
206 if (lseek(n, 2040L, SEEK_SET) != 2040L) e(36);
207 clraa();
208 if (read(n, aa, 20) != 10) e(37);
209 if (aa[0] != 0 || aa[5] != 0 || aa[6] != 10 || aa[9] != 40) e(38);
210 if (lseek(n, 10239L, SEEK_SET) != 10239L) e(39);
211 if (write(n, d, 2) != 2) e(40);
212 if (lseek(n, -2L, SEEK_END) != 10239L) e(41);
213 if (read(n, aa, 2) != 2) e(42);
214 if (aa[0] != 6 || aa[1] != 7) e(43);
215 if (lseek(n, NB * 1024L - 2L, SEEK_SET) != NB * 1024L - 2L) e(44);
216 if (write(n, b, 4) != 4) e(45);
217 if (lseek(n, 0L, SEEK_SET) != 0L) e(46);
218 if (lseek(n, -6L, SEEK_END) != 1024L * NB - 4) e(47);
219 clraa();
220 if (read(n, aa, 100) != 6) e(48);
221 if (aa[0] != 0 || aa[1] != 0 || aa[3] != 1 || aa[4] != 2|| aa[5] != 3)
222 e(49);
223 if (lseek(n, 20000L, SEEK_SET) != 20000L) e(50);
224 if (write(n, c, 4) != 4) e(51);
225 if (lseek(n, -4L, SEEK_CUR) != 20000L) e(52);
226 if (read(n, aa, 4) != 4) e(53);
227 if (aa[0] != 10 || aa[1] != 20 || aa[2] != 30 || aa[3] != 40) e(54);
228 if (close(n) != 0) e(55);
229 if ((n1 = creat("foop", 0777)) != 3) e(56);
230 if (close(n1) != 0) e(57);
231 unlink("foop");
232
233 }
234}
235
236void test19d()
237{
238/* Test read. */
239
240 int i, fd, pd[2];
241 char bb[100];
242
243 subtest = 4;
244
245 for (i = 0; i < 100; i++) bb[i] = i;
246 if ( (fd = creat("T19.d1", 0777)) != 3) e(1); /* create test file */
247 if (write(fd, bb, 100) != 100) e(2);
248 if (close(fd) != 0) e(3);
249 clraa();
250 if ( (fd = open("T19.d1", O_RDONLY)) != 3) e(4);
251 errno = 1000;
252 if (read(fd, aa, 0) != 0) e(5);
253 if (errno != 1000) e(6);
254 if (read(fd, aa, 100) != 100) e(7);
255 if (lseek(fd, 37L, SEEK_SET) != 37L) e(8);
256 if (read(fd, aa, 10) != 10) e(9);
257 if (lseek(fd, 0L, SEEK_CUR) != 47L) e(10);
258 if (read(fd, aa, 100) != 53) e(11);
259 if (aa[0] != 47) e(12);
260 if (read(fd, aa, 1) != 0) e(13);
261 if (close(fd) != 0) e(14);
262
263 /* Read from pipe with no writer open. */
264 if (pipe(pd) != 0) e(15);
265 if (close(pd[1]) != 0) e(16);
266 errno = 2000;
267 if (read(pd[0], aa, 1) != 0) e(17); /* must return EOF */
268 if (errno != 2000) e(18);
269
270 /* Read from a pipe with O_NONBLOCK set. */
271 if (fcntl(pd[0], F_SETFL, O_NONBLOCK) != 0) e(19); /* set O_NONBLOCK */
272/*
273 if (read(pd[0], aa, 1) != -1) e(20);
274 if (errno != EAGAIN) e(21);
275*/
276 if (close(pd[0]) != 0) e(19);
277 if (unlink("T19.d1") != 0) e(20);
278}
279
280void test19e()
281{
282/* Test link, unlink, stat, fstat, dup, umask. */
283
284 int i, j, n, n1, flag;
285 char a[255], b[255];
286 struct stat s, s1;
287
288 subtest = 5;
289 for (i = 0; i < 2; i++) {
290 umask(0);
291
292 if ((n = creat("T3", 0702)) < 0) e(1);
293 if (link("T3", "newT3") < 0) e(2);
294 if ((n1 = open("newT3", O_RDWR)) < 0) e(3);
295 for (j = 0; j < 255; j++) a[j] = j;
296 if (write(n, a, 255) != 255) e(4);
297 if (read(n1, b, 255) != 255) e(5);
298 flag = 0;
299 for (j = 0; j < 255; j++)
300 if (a[j] != b[j]) flag++;
301 if (flag) e(6);
302 if (unlink("T3") < 0) e(7);
303 if (close(n) < 0) e(8);
304 if (close(n1) < 0) e(9);
305 if ((n1 = open("newT3", O_RDONLY)) < 0) e(10);
306 if (read(n1, b, 255) != 255) e(11);
307 flag = 0;
308 for (j = 0; j < 255; j++)
309 if (a[j] != b[j]) flag++;
310 if (flag) e(12);
311
312 /* Now check out stat, fstat. */
313 if (stat("newT3", &s) < 0) e(13);
314 if (s.st_mode != (mode_t) 0100702) e(14);
315 /* The cast was because regular modes are
316 * negative :-(. Anyway, the magic number
317 * should be (S_IFREG | S_IRWXU | S_IWOTH)
318 * for POSIX.
319 */
320 if (s.st_nlink != 1) e(15);
321 if (s.st_size != 255L) e(16);
322 if (fstat(n1, &s1) < 0) e(17);
323 if (s.st_dev != s1.st_dev) e(18);
324 if (s.st_ino != s1.st_ino) e(19);
325 if (s.st_mode != s1.st_mode) e(20);
326 if (s.st_nlink != s1.st_nlink) e(21);
327 if (s.st_uid != s1.st_uid) e(22);
328 if (s.st_gid != s1.st_gid) e(23);
329 if (s.st_rdev != s1.st_rdev) e(24);
330 if (s.st_size != s1.st_size) e(25);
331 if (s.st_atime != s1.st_atime) e(26);
332 if (close(n1) < 0) e(27);
333 if (unlink("newT3") < 0) e(28);
334
335 umask(040);
336 if ((n = creat("T3a", 0777)) < 0) e(29);
337 if (stat("T3a", &s) < 0) e(30);
338 if (s.st_mode != (mode_t) 0100737) e(31); /* negative :-( */
339 if (unlink("T3a") < 0) e(32);
340 if (close(n1) < 0) e(33);
341
342 /* Dup */
343 if ((n = creat("T3b", 0777)) < 0) e(34);
344 if (close(n) < 0) e(35);
345 if ((n = open("T3b", O_RDWR)) < 0) e(36);
346 if ((n1 = dup(n)) != n + 1) e(37);
347 if (write(n, a, 255) != 255) e(38);
348 read(n1, b, 20);
349 if (lseek(n, 0L, SEEK_SET) != 0L) e(39);
350 if ((j = read(n1, b, 512)) != 255) e(40);
351 if (unlink("T3b") < 0) e(41);
352 if (close(n) < 0) e(42);
353 if (close(n1) < 0) e(43);
354
355 }
356}
357
358void test19f()
359{
360/* Test large files to see if indirect block stuff works. */
361
362 int fd, i;
363 long pos;
364
365 subtest = 6;
366
367 if (passes > 0) return; /* takes too long to repeat this test */
368 for (i = 0; i < NBOUNDS; i ++) {
369 pos = 1024L * bounds[i];
370 fd = creat("T19f", 0777);
371 if (fd < 0) e(10*i+1);
372 if (lseek(fd, pos, 0) < 0) e(10*i+2);
373 if (write(fd, buff, 30720) != 30720) e(10*i+3);
374 if (close(fd) < 0) e(10*i+3);
375 if (unlink("T19f") < 0) e(10*i+4);
376 }
377}
378
379void test19g()
380{
381/* Test POSIX calls for pipe, read, write, lseek and close. */
382
383 int pipefd[2], n, i, fd;
384 char buf[512], buf2[512];
385
386 subtest = 7;
387
388 for (i = 0; i < 512; i++) buf[i] = i % 128;
389
390 if (pipe(pipefd) < 0) e(1);
391 if (write(pipefd[1], buf, 512) != 512) e(2);
392 if (read(pipefd[0], buf2, 512) != 512) e(3);
393 if (close(pipefd[1]) != 0) e(4);
394 if (close(pipefd[1]) >= 0) e(5);
395 if (read(pipefd[0], buf2, 1) != 0) e(6);
396 if (close(pipefd[0]) != 0) e(7);
397
398 /* Test O_NONBLOCK on pipes. */
399 if (pipe(pipefd) < 0) e(8);
400 if (fcntl(pipefd[0], F_SETFL, O_NONBLOCK) != 0) e(9);
401 if (read(pipefd[0], buf2, 1) != -1) e(10);
402 if (errno != EAGAIN) e(11);
403 if (close(pipefd[0]) != 0) e(12);
404 if (close(pipefd[1]) != 0) e(13);
405
406 /* Test read and lseek. */
407 if ( (fd = creat("T19.g1", 0777)) != 3) e(14); /* create test file */
408 if (write(fd, buf, 512) != 512) e(15);
409 errno = 3000;
410 if (read(fd, buf2, 512) != -1) e(16);
411 if (errno != EBADF) e(17);
412 if (close(fd) != 0) e(18);
413 if ( (fd = open("T19.g1", O_RDWR)) != 3) e(19);
414 if (read(fd, buf2, 512) != 512) e(20);
415 if (read(fd, buf2, 512) != 0) e(21);
416 if (lseek(fd, 100L, SEEK_SET) != 100L) e(22);
417 if (read(fd, buf2, 512) != 412) e(23);
418 if (lseek(fd, 1000L, SEEK_SET) != 1000L) e(24);
419
420 /* Test write. */
421 if (lseek(fd, -1000L, SEEK_CUR) != 0) e(25);
422 if (write(fd, buf, 512) != 512) e(26);
423 if (lseek(fd, 2L, SEEK_SET) != 2) e(27);
424 if (write(fd, buf, 3) != 3) e(28);
425 if (lseek(fd, -2L, SEEK_CUR) != 3) e(29);
426 if (write(fd, &buf[30], 1) != 1) e(30);
427 if (lseek(fd, 2L, SEEK_CUR) != 6) e(31);
428 if (write(fd, &buf[60], 1) != 1) e(32);
429 if (lseek(fd, -512L, SEEK_END) != 0) e(33);
430 if (read(fd, buf2, 8) != 8) e(34);
431 errno = 4000;
432 if (buf2[0] != 0 || buf2[1] != 1 || buf2[2] != 0 || buf2[3] != 30) e(35);
433 if (buf2[4] != 2 || buf2[5] != 5 || buf2[6] != 60 || buf2[7] != 7) e(36);
434
435 /* Turn the O_APPEND flag on. */
436 if (fcntl(fd, F_SETFL, O_APPEND) != 0) e(37);
437 if (lseek(fd, 0L, SEEK_SET) != 0) e(38);
438 if (write(fd, &buf[100], 1) != 1) e(39);
439 if (lseek(fd, 0L, SEEK_SET) != 0) e(40);
440 if (read(fd, buf2, 10) != 10) e(41);
441 if (buf2[0] != 0) e(42);
442 if (lseek(fd, -1L, SEEK_END) != 512) e(43);
443 if (read(fd, buf2, 10) != 1) e(44);
444 if (buf2[0] != 100) e(45);
445 if (close(fd) != 0) e(46);
446
447 /* Now try write with O_NONBLOCK. */
448 if (pipe(pipefd) != 0) e(47);
449 if (fcntl(pipefd[1], F_SETFL, O_NONBLOCK) != 0) e(48);
450 if (write(pipefd[1], buf, 512) != 512) e(49);
451 if (write(pipefd[1], buf, 512) != 512) e(50);
452 errno = 0;
453 for (i = 1; i < 20; i++) {
454 n = write(pipefd[1], buf, 512);
455 if (n == 512) continue;
456 if (n != -1 || errno != EAGAIN) {e(51); break;}
457 }
458 if (read(pipefd[0], buf, 512) != 512) e(52);
459 if (close(pipefd[0]) != 0) e(53);
460
461 /* Write to a pipe with no reader. This should generate a signal. */
462 signal(SIGPIPE, pipecatcher);
463 errno = 0;
464 if (write(pipefd[1], buf, 1) != -1) e(54);
465 if (errno != EPIPE) e(55);
466 if (pipesigs != passes + 1) e(56); /* we should have had the sig now */
467 if (close(pipefd[1]) != 0) e(57);
468 errno = 0;
469 if (write(100, buf, 512) != -1) e(58);
470 if (errno != EBADF) e(59);
471 if (unlink("T19.g1") != 0) e(60);
472}
473
474void clraa()
475{
476 int i;
477 for (i = 0; i < 100; i++) aa[i] = 0;
478}
479
480void pipecatcher(s)
481int s; /* it is supposed to have an arg */
482{
483 pipesigs++;
484}
485
486void e(n)
487int n;
488{
489 int err_num = errno; /* save errno in case printf clobbers it */
490
491 printf("Subtest %d, error %d errno=%d ", subtest, n, errno);
492 fflush(stdout); /* aargh! Most results go to stdout and are
493 * messed up by perror going to stderr.
494 * Should replace perror by printf and strerror
495 * in all the tests.
496 */
497 errno = err_num; /* restore errno, just in case */
498 perror("");
499 if (errct++ > MAX_ERROR) {
500 printf("Too many errors; test aborted\n");
501 chdir("..");
502 system("rm -rf DIR*");
503 exit(1);
504 }
505}
506
507void quit()
508{
509
510 chdir("..");
511 system("rm -rf DIR*");
512
513 if (errct == 0) {
514 printf("ok\n");
515 exit(0);
516 } else {
517 printf("%d errors\n", errct);
518 exit(1);
519 }
520}
521
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