test/test19.c

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