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