gcc/testsuite/gfortran.dg/deferred_character_26.f90

   1 ! { dg-do run }
   2 !
   3 ! Test the fix for PR72709 in which the type of the component 'header' is cast
   4 ! as character[1:0], which makes it slightly more difficult than usual to
   5 ! obtain the element length. This is one and the same bug as PR70752.
   6 !
   7 ! Contributed by 'zmi'  <zmi007@gmail.com>
   8 !
   9 program    read_exp_data
  10    implicit none
  11
  12    type experimental_data_t
  13       integer :: nh = 0
  14       character(len=:), dimension(:), allocatable :: header
  15
  16    end type experimental_data_t
  17
  18    character(*), parameter :: str(3) = ["#Generated by X      ", &
  19                                         "#from file 'Y'       ", &
  20                                         "# Experimental 4 mg/g"]
  21    type(experimental_data_t) :: ex
  22    integer :: nh_len
  23    integer :: i
  24
  25
  26    nh_len = 255
  27    ex % nh = 3
  28    allocate(character(len=nh_len) :: ex % header(ex % nh))
  29
  30    ex % header(1) = str(1)
  31    ex % header(2) = str(2)
  32    ex % header(3) = str(3)
  33
  34 ! Test that the string length is OK
  35    if (len (ex%header) .ne. nh_len) stop 1
  36
  37 ! Test the array indexing
  38    do i = 1, ex % nh
  39       if (trim (ex%header(i)) .ne. trim (str(i))) stop i + 1
  40    enddo
  41
  42 end program read_exp_data