gcc/testsuite/gfortran.dg/unf_io_convert_2.f90

   1 ! { dg-do run }
   2 program main
   3   complex(kind=4) :: c
   4   real(kind=4) :: a(2)
   5   integer(kind=4) :: i(2)
   6   integer(kind=1) :: b(8)
   7   integer(kind=8) :: j
   8
   9   c = (3.14, 2.71)
  10   open (10, form="unformatted",convert="swap") ! { dg-warning "Extension: CONVERT" }
  11   write (10) c
  12   rewind (10)
  13   read (10) a
  14   if (a(1) /= 3.14 .or. a(2) /= 2.71) call abort
  15   close(10,status="delete")
  16
  17   open (10, form="unformatted",convert="big_endian") ! { dg-warning "Extension: CONVERT" }
  18   i = (/ Z'11223344', Z'55667700' /)
  19   write (10) i
  20   rewind (10)
  21   read (10) b
  22   if (any(b /= (/ Z'11', Z'22', Z'33', Z'44', Z'55', Z'66', Z'77', Z'00' /))) &
  23     call abort
  24   backspace 10
  25   read (10) j
  26   if (j /= Z'1122334455667700') call abort
  27   close (10, status="delete")
  28
  29   open (10, form="unformatted", convert="little_endian") ! { dg-warning "Extension: CONVERT" }
  30   write (10) i
  31   rewind (10)
  32   read (10) b
  33   if (any(b /= (/ Z'44', Z'33', Z'22', Z'11', Z'00', Z'77', Z'66', Z'55' /))) &
  34     call abort
  35   backspace 10
  36   read (10) j
  37   if (j /= Z'5566770011223344') call abort
  38   close (10, status="delete")
  39
  40 end program main