test/dos/nil.c

   1 #include <proto/dos.h>
   2 #include <stdio.h>
   3 #include "test.h"
   4
   5
   6 BPTR nilfh      = BNULL;
   7 BPTR nillock    = BNULL;
   8
   9 static void closehandles()
  10 {
  11     if (nilfh != BNULL) Close(nilfh);
  12     if (nillock != BNULL) UnLock(nillock);
  13     nilfh   = BNULL;
  14     nillock = BNULL;
  15 }
  16 int main()
  17 {
  18     TEXT buffer[20];
  19     LONG result = 0;
  20     BPTR bresult = BNULL;
  21
  22     /* Open */
  23     nilfh = Open("NIL:", MODE_OLDFILE);
  24     TEST((nilfh !=BNULL));
  25     closehandles();
  26
  27     nilfh = Open("NIL:", MODE_NEWFILE);
  28     TEST((nilfh !=BNULL));
  29     closehandles();
  30
  31     nilfh = Open("NIL:", MODE_READWRITE);
  32     TEST((nilfh !=BNULL));
  33     closehandles();
  34
  35
  36     /* Lock */
  37     nillock = Lock("NIL:", SHARED_LOCK);
  38     TEST((nillock == BNULL));
  39     closehandles();
  40
  41     nillock = Lock("NIL:", EXCLUSIVE_LOCK);
  42     TEST((nillock == BNULL));
  43     closehandles();
  44
  45     /* DupLockFromFH */
  46     nilfh = Open("NIL:", MODE_OLDFILE);
  47     nillock = DupLockFromFH(nilfh);
  48     Close(nilfh);
  49     nilfh = BNULL;
  50     TEST((nillock != BNULL));
  51
  52     /* OpenFromLock */
  53     nilfh = OpenFromLock(nillock);
  54     nillock = BNULL; /* Lock was consumed when opening */
  55     TEST((nilfh != BNULL));
  56     closehandles();
  57
  58     /* Write */
  59     nilfh = Open("NIL:", MODE_OLDFILE);
  60     result = Write(nilfh, buffer, sizeof(buffer));
  61     TEST ((result == sizeof(buffer)));
  62     closehandles();
  63
  64     /* Info */
  65     nilfh = Open("NIL:", MODE_OLDFILE);
  66     nillock = DupLockFromFH(nilfh);
  67     result = Info(nillock, NULL);
  68     TEST((result == 0));
  69     closehandles();
  70
  71     /* ParentOfFH */
  72     nilfh = Open("NIL:", MODE_OLDFILE);
  73     bresult = ParentOfFH(nilfh);
  74     TEST((bresult == BNULL));
  75     closehandles();
  76
  77     cleanup();
  78
  79     return OK;
  80 }
  81
  82 void cleanup()
  83 {
  84     closehandles();
  85 }