test/test19.c

   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
  14 int errct, subtest, passes, pipesigs;
  15 long t1;
  16
  17 char aa[100];
  18 char b[4] = {0, 1, 2, 3}, c[4] = {10, 20, 30, 40}, d[4] = {6, 7, 8, 9};
  19 long bounds[NBOUNDS] = {7, 9, 50, 519, 520, 40000L};
  20 char 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
  35 int main(argc, argv)
  36 int argc;
  37 char *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
  67 void 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
 117 void 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
 148 void 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
 236 void 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
 280 void 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
 358 void 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
 379 void 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
 474 void clraa()
 475 {
 476   int i;
 477   for (i = 0; i < 100; i++) aa[i] = 0;
 478 }
 479
 480 void pipecatcher(s)
 481 int s;                          /* it is supposed to have an arg */
 482 {
 483   pipesigs++;
 484 }
 485
 486 void e(n)
 487 int 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
 507 void 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