gcc/testsuite/gfortran.dg/append_1.f90

   1 ! PR libfortran/21471
   2 ! Testing POSITION="APPEND"
   3 !
   4 ! { dg-do run { target fd_truncate } }
   5       subroutine failed
   6         close (10,status='delete')
   7         call abort
   8       end subroutine failed
   9
  10       integer,parameter :: n = 13
  11       integer :: i, j, error
  12
  13       open (10, file='foo')
  14       close (10)
  15
  16       do i = 1, n
  17         open (10, file='foo',position='append')
  18         write (10,*) i
  19         close (10)
  20       end do
  21
  22       open (10,file='foo',status='old')
  23       error = 0
  24       i = -1
  25       do while (error == 0)
  26         i = i + 1
  27         read (10,*,iostat=error) j
  28         if (error == 0) then
  29           if (i + 1 /= j) call failed
  30         end if
  31         if (i > n + 1) call failed
  32       end do
  33       if (i /= n) call failed
  34       close (10,status='delete')
  35       end
  36