gcc/testsuite/gfortran.dg/alloc_comp_assign_4.f90

   1 ! { dg-do run }
   2 ! Test assignments of nested derived types with character allocatable
   3 ! components(PR 20541). Subroutine test_ab6 checks out a bug in a test
   4 ! version of gfortran's allocatable arrays.
   5 !
   6 ! Contributed by Erik Edelmann  <eedelmann@gcc.gnu.org>
   7 !            and Paul Thomas  <pault@gcc.gnu.org>
   8 !
   9   type :: a
  10     character(4), allocatable :: ch(:)
  11   end type a
  12
  13   type :: b
  14     type (a), allocatable :: at(:)
  15   end type b
  16
  17   type(a) :: x(2)
  18   type(b) :: y(2), z(2)
  19
  20   character(4) :: chr1(4) = (/"abcd","efgh","ijkl","mnop"/)
  21   character(4) :: chr2(4) = (/"qrst","uvwx","yz12","3456"/)
  22
  23   x(1) = a(chr1)
  24
  25  ! Check constructor with character array constructors.
  26   x(2) = a((/"qrst","uvwx","yz12","3456"/))
  27
  28   y(1) = b((/x(1),x(2)/))
  29   y(2) = b((/x(2),x(1)/))
  30
  31   y(2) = y(1)
  32
  33   if (any((/((y(2)%at(i)%ch(j),j=1,4),i=1,2)/) .ne. &
  34           (/chr1, chr2/))) call abort ()
  35
  36   call test_ab6 ()
  37
  38 contains
  39
  40   subroutine test_ab6 ()
  41 ! This subroutine tests the presence of a scalar derived type, intermediate
  42 ! in a chain of derived types with allocatable components.
  43 ! Contributed by Salvatore Filippone  <salvatore.filippone@uniroma2.it>
  44
  45     type b
  46       type(a)  :: a
  47     end type b
  48
  49     type c
  50       type(b), allocatable :: b(:)
  51     end type c
  52
  53     type(c)    :: p
  54     type(b)   :: bv
  55
  56     p = c((/b(a((/"Mary","Lamb"/)))/))
  57     bv = p%b(1)
  58
  59     if (any ((bv%a%ch(:)) .ne. (/"Mary","Lamb"/))) call abort ()
  60
  61 end subroutine test_ab6
  62
  63 end