source: rtems/c/src/tests/psxtests/psxfile01/test.c @ c2f9b97

4.104.114.84.95
Last change on this file since c2f9b97 was c2f9b97, checked in by Jennifer Averett <Jennifer.Averett@…>, on Dec 3, 1998 at 10:41:57 PM

Cleaned up test.
Updated scn files to match present expected test output.

  • Property mode set to 100644
File size: 10.3 KB
Line 
1/*
2 *  Simple test program to exercise some of the basic functionality of
3 *  POSIX Files and Directories Support.
4 *
5 *  This test assumes that the file system is initialized with the
6 *  following directory structure:
7 *
8 *  XXXX fill this in.
9 *    /
10 *    /dev
11 *    /dev/XXX   [where XXX includes at least console]
12 *
13 *  COPYRIGHT (c) 1989-1998.
14 *  On-Line Applications Research Corporation (OAR).
15 *  Copyright assigned to U.S. Government, 1994.
16 *
17 *  The license and distribution terms for this file may be
18 *  found in the file LICENSE in this distribution or at
19 *  http://www.OARcorp.com/rtems/license.html.
20 *
21 *  $Id$
22 */
23
24#include <stdio.h>
25
26#include <tmacros.h>
27#include <sys/types.h>
28#include <sys/stat.h>
29#include <fcntl.h>
30#include <unistd.h>
31#include <errno.h>
32#include <string.h>
33#include <ctype.h>
34
35#include <assert.h>
36#include <rtems.h>
37#include <rtems/libio.h>
38
39char test_write_buffer[ 1024 ];
40
41/*
42 *  File test support routines.
43 */
44
45void test_cat(
46  char *file,
47  int   offset_arg,
48  int   length
49);
50
51void test_write(
52  char   *file,
53  off_t  offset,
54  char  *buffer
55);
56
57void test_extend(
58  char *file,
59  off_t new_len
60);
61
62void IMFS_dump( void );
63int IMFS_memfile_maximum_size( void );
64
65/*
66 *  dump_statbuf
67 */
68
69void dump_statbuf( struct stat *buf )
70{
71  int         major1;
72  int         minor1;
73  int         major2;
74  int         minor2;
75
76  rtems_filesystem_split_dev_t( buf->st_dev, major1, minor1 );
77  rtems_filesystem_split_dev_t( buf->st_rdev, major2, minor2 );
78
79  printf( "    st_dev     (0x%x:0x%x)\n", major1, minor1 );
80  printf( "    st_ino     %x\n", buf->st_ino );
81  printf( "    mode  = %08o\n", buf->st_mode );
82  printf( "    nlink = %d\n", buf->st_nlink );
83
84  printf( "    uid = %d\n", buf->st_uid );
85  printf( "    gid = %d\n", buf->st_gid );
86
87  printf( "    atime = %s", ctime(&buf->st_atime) );
88  printf( "    mtime = %s", ctime(&buf->st_mtime) );
89  printf( "    ctime = %s", ctime(&buf->st_ctime) );
90
91#if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
92  printf(  "   st_blksize %x\n", buf.st_blksize );
93  printf(  "   st_blocks  %x\n", buf.st_blocks );
94#endif
95
96}
97
98void stat_a_file(
99  const char *file
100)
101{
102  int         status;
103  struct stat statbuf;
104
105  assert( file );
106
107  printf( "stat( %s ) returned ", file );
108  fflush( stdout );
109
110  status = stat( file, &statbuf );
111
112  if ( status == -1 ) {
113    printf( ": %s\n", strerror( errno ) );
114  } else {
115    dump_statbuf( &statbuf );
116  }
117
118}
119
120
121/*
122 *  Main entry point of the test
123 */
124
125#if defined(__rtems__)
126int test_main(void)
127#else
128int main(
129  int argc,
130  char **argv
131)
132#endif
133{
134  int               status;
135  int               max_size;
136  int               fd, fd1;
137  int               i;
138  struct stat       buf;
139  char              buffer[128];
140  FILE             *file;
141  time_t            atime1;
142  time_t            mtime1;
143  time_t            ctime1;
144  time_t            atime2;
145  time_t            mtime2;
146  time_t            ctime2;
147  rtems_status_code rtems_status;
148  rtems_time_of_day time;
149
150  printf( "\n\n*** FILE TEST 1 ***\n" );
151
152  /*
153   *  Grab the maximum size of an in-memory file.
154   */
155
156  max_size = IMFS_memfile_maximum_size();
157
158  build_time( &time, 12, 31, 1988, 9, 0, 0, 0 );
159  rtems_status = rtems_clock_set( &time );
160
161  /*
162   *  Dump an empty file system
163   */
164
165  IMFS_dump();
166
167  /*
168   *  Simple stat() of /dev/console.
169   */
170
171  puts( "stat of /dev/console" );
172  status = stat( "/dev/console", &buf );
173  assert( !status );
174
175  dump_statbuf( &buf );
176
177  /*
178   *  Exercise mkdir() and some path evaluation.
179   */
180
181  puts( "" );
182  puts( "mkdir /dev/tty" );
183  status = mkdir( "/dev/tty", S_IRWXU );
184  assert( !status );
185
186  puts( "" );
187  puts( "mkdir /usr" );
188  status = mkdir( "/usr", S_IRWXU );
189  assert( !status );
190  puts( "mkdir /etc" );
191  status = mkdir( "/etc", S_IRWXU );
192  assert( !status );
193
194  puts( "mkdir /tmp" );
195  status = mkdir( "/tmp", S_IRWXU );
196  assert( !status );
197
198  /* this tests the ".." path in path name evaluation */
199  puts( "mkdir /tmp/.." );
200  status = mkdir( "/tmp/..", S_IRWXU );
201  assert( status == -1 );
202  assert( errno == EEXIST );
203
204  /* now check out trailing separators */
205  puts( "mkdir /tmp/" );
206  status = mkdir( "/tmp/", S_IRWXU );
207  assert( status == -1 );
208  assert( errno == EEXIST );
209
210  /* try to make a directory under a non-existent subdirectory */
211  puts( "mkdir /j/j1" );
212  status = mkdir( "/j/j1", S_IRWXU );
213  assert( status == -1 );
214  assert( errno == ENOENT );
215
216  /* this tests the ability to make a directory in the current one */
217  puts( "mkdir tmp" );
218  status = mkdir( "tmp", S_IRWXU );
219  assert( status == -1 );
220  assert( errno == EEXIST );
221
222  /* test rtems_filesystem_evaluate_path by sending NULL path */
223  status = chdir( NULL );
224  assert( status == -1 );
225
226  /*
227   *  Now switch gears and exercise rmdir().
228   */
229
230  puts( "" );
231  puts( "rmdir /usr" );
232  status = rmdir( "/usr" );
233  assert( !status );
234
235  status = rmdir( "/dev" );
236  assert( status == -1 );
237  assert( errno ==  ENOTEMPTY);
238
239  status = rmdir ("/fred");
240  assert (status == -1);
241  assert( errno == ENOENT );
242
243  status = mknod( "/dev/test_console", S_IFCHR, 0LL );
244  assert( !status );
245  status = mknod( "/dev/tty/S3", S_IFCHR, 0xFF00000080LL );
246  assert( !status );
247  status = mknod( "/etc/passwd", (S_IFREG | S_IRWXU), 0LL );
248  assert( !status );
249
250  status = mkdir( "/tmp/my_dir", S_IRWXU );
251  assert( status == 0 );
252
253  status = mkfifo( "/c/my_dir", S_IRWXU );
254  assert( status == -1 );
255
256  /*
257   *  Try to make a directory under a file -- ERROR
258   */
259
260  puts( "mkdir /etc/passwd/j" );
261  status = mkdir( "/etc/passwd/j", S_IRWXU );
262  assert( status == -1 );
263  assert( errno == ENOTDIR );
264
265  /*
266   *  Simple open failure case on non-existent file
267   */
268
269  puts( "open /tmp/joel - should fail with ENOENT" );
270  fd = open( "/tmp/joel", O_RDONLY );
271  assert( fd == -1 );
272  assert( errno == ENOENT );
273
274  /*
275   *  Simple open case where the file is created.
276   */
277
278  puts( "open /tmp/j" );
279  fd = open( "/tmp/j", O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO );
280  assert( fd != -1 );
281
282  printf( "open returned file descriptor %d\n", fd );
283
284  puts( "close /tmp/j" );
285  status = close( fd );
286  assert( !status );
287
288  status = close( fd );
289  assert( status == -1 );
290
291  puts( "unlink /tmp/j" );
292  status = unlink( "/tmp/j" );
293  assert( !status );
294
295  status = unlink( "/tmp" );
296  assert( status );
297
298  /*
299   *  Simple open failure. Trying to create an existing file.
300   */
301
302  fd = open( "/tmp/tom", O_CREAT );
303  status = close( fd );
304  fd1 = open( "/tmp/tom", O_CREAT );
305  assert( fd1 == -1 );
306
307  fd = open( "/tmp/john", O_CREAT );
308  assert( fd != -1 );
309  status = tcdrain( fd );
310  assert( status == 0 );
311
312  /*
313   *  Test simple write to a file at offset 0
314   */
315
316  status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
317  test_write( "/tmp/joel", 0, "the first write!!!\n" );
318  test_cat( "/tmp/joel", 0, 0 );
319
320  /*
321   *  Test simple write to a file at a non-0 offset in the first block
322   */
323
324  status = unlink( "/tmp/joel" );
325  assert( !status );
326
327  status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
328  assert( !status );
329
330  test_write( "/tmp/joel", 10, "the first write!!!\n" );
331  test_cat( "/tmp/joel", 0, 0 );
332  stat_a_file( "/tmp/joel" );
333
334  /*
335   *  Test simple write to a file at a non-0 offset in the second block.  Then
336   *  try to read from various offsets and lengths.
337   */
338
339  status = unlink( "/tmp/joel" );
340  assert( !status );
341
342  /* Test a failure path */
343
344  status = unlink( "/tmp/joel" );
345  assert( status == -1 );
346
347  status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
348  assert( !status );
349
350  test_write( "/tmp/joel", 514, "the first write!!!\n" );
351  test_write( "/tmp/joel", 1, test_write_buffer );
352  test_write( "/tmp/joel", 63, test_write_buffer );
353  test_cat( "/tmp/joel", 0, 1 );
354  test_cat( "/tmp/joel", 1, 1 );
355  test_cat( "/tmp/joel", 490, 1 );
356  test_cat( "/tmp/joel", 512, 1 );
357  test_cat( "/tmp/joel", 513, 1 );
358  test_cat( "/tmp/joel", 514, 1 );
359  test_cat( "/tmp/joel", 520, 1 );
360  test_cat( "/tmp/joel", 1, 1024 );
361
362  /*
363   *  Read from a much longer file so we can descend into doubly and
364   *  triply indirect blocks.
365   */
366
367  test_extend( "/tmp/joel", max_size - 1 );
368  test_cat( "/tmp/joel", max_size / 2, 1024 );
369
370  stat_a_file( "/tmp/joel" );
371
372  /*
373   *  Now try to use a FILE * descriptor
374   *
375   *  /tmp/j should not exist at this point.
376   */
377
378  puts( "stat of /tmp/j" );
379  errno = 0;
380  status = stat( "/tmp/j", &buf );
381  printf( "stat(/tmp/j) returned %d (errno=%d)\n", status, errno );
382  dump_statbuf( &buf );
383
384  puts( "fopen of /tmp/j" );
385  file = fopen( "/tmp/j", "w+" );
386  assert( file );
387
388  puts( "fprintf to /tmp/j" );
389  for (i=1 ; i<=5 ; i++) {
390    status = fprintf( file, "This is call %d to fprintf\n", i );
391    assert( status );
392    printf( "(%d) %d characters written to the file\n", i, status );
393  }
394
395  fflush( file );
396
397  status = stat( "/tmp/j", &buf );
398  assert( !status );
399  dump_statbuf( &buf );
400  atime2 = buf.st_atime;
401  mtime2 = buf.st_mtime;
402  ctime2 = buf.st_ctime;
403
404
405  status = rtems_task_wake_after( 1 * TICKS_PER_SECOND );
406  rewind( file );
407  while ( fgets(buffer, 128, file) )
408    printf( buffer );
409
410  /*
411   * Verify only atime changed for a read.
412   */
413  status = stat( "/tmp/j", &buf );
414  assert( !status );
415  dump_statbuf( &buf );
416  atime1 = buf.st_atime;
417  mtime1 = buf.st_mtime;
418  ctime1 = buf.st_ctime;
419  assert( atime1 != atime2);
420  assert( mtime1 == mtime2);
421  assert( ctime1 == ctime2);
422
423  IMFS_dump();
424
425  unlink( "/tmp/joel" );
426
427  /*
428   *  Now truncate a file
429   */
430
431  status = rtems_task_wake_after( 1 * TICKS_PER_SECOND );
432  puts( "truncate /tmp/j to length of 40" );
433  status = truncate( "/tmp/j", 40 );
434  assert( !status );
435
436  /*
437   * Verify truncate changed only atime.
438   */
439  status = stat( "/tmp/j", &buf );
440  assert( !status );
441  dump_statbuf( &buf );
442  atime2 = buf.st_atime;
443  mtime2 = buf.st_mtime;
444  ctime2 = buf.st_ctime;
445  assert( atime1 != atime2);
446  assert( mtime1 == mtime2);
447  assert( ctime1 == ctime2);
448
449  IMFS_dump();
450
451  /* try to truncate the console and see what happens */
452  status = truncate( "/dev/console", 40 );
453  assert(status == -1 );
454
455  puts( "truncate /tmp/j to length of 0" );
456  status = truncate( "/tmp/j", 0 );
457  assert( !status );
458
459  puts( "truncate /tmp to length of 0 should fail with EISDIR\n");
460  status = truncate( "/tmp", 0 );
461  assert( status == -1 );
462  printf( "%d: %s\n", errno, strerror( errno ) );
463  assert( errno == EISDIR );
464
465  IMFS_dump();
466
467  status = truncate( "/tmp/fred", 10 );
468  assert( status == -1);
469
470  rtems_status = rtems_io_register_name( "/dev/console", 0, 0 );
471
472  printf( "*** END OF FILE TEST 1 ***\n" );
473  exit( 0 );
474}
475
476
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