test/dos/fread.c

   1 #include <proto/dos.h>
   2 #include <stdio.h>
   3 #include "test.h"
   4
   5
   6 BPTR fh = BNULL;
   7
   8 static void closehandles()
   9 {
  10     if (fh != BNULL) Close(fh);
  11     fh = BNULL;
  12 }
  13 int main()
  14 {
  15     LONG result = 0;
  16     LONG ioerr = 0;
  17     TEXT buffer[16];
  18
  19     fh = Open("T:a", MODE_NEWFILE);
  20
  21     /* Invalid parameters */
  22     SetIoErr(0);
  23     result = FRead(fh, buffer, 0, 0);
  24     ioerr = IoErr();
  25     TEST((result == 0));
  26     TEST((ioerr == 0));
  27
  28     /* EOF */
  29     SetIoErr(0);
  30     result = FRead(fh, buffer, 1, 1);
  31     ioerr = IoErr();
  32     TEST((result == 0));
  33     TEST((ioerr == 0));
  34
  35     /* BNULL file handle */
  36     SetIoErr(0);
  37     result = FRead(BNULL, buffer, 1, 1);
  38     ioerr = IoErr();
  39     TEST((result == 0));
  40     TEST((ioerr == 0));
  41
  42     cleanup();
  43
  44     return OK;
  45 }
  46
  47 void cleanup()
  48 {
  49     closehandles();
  50 }