gcc/testsuite/gfortran.dg/alloc_comp_initializer_1.f90

   1 ! { dg-do run }
   2 ! This checks the correct functioning of derived types with default initializers
   3 ! and allocatable components.
   4 !
   5 ! Contributed by Salvatore Filippone  <salvatore.filippone@uniroma2.it>
   6 !
   7 module p_type_mod
   8
   9   type m_type
  10     integer, allocatable :: p(:)
  11   end type m_type
  12
  13   type basep_type
  14     type(m_type), allocatable :: av(:)
  15     type(m_type), pointer :: ap => null ()
  16     integer :: i = 101
  17   end type basep_type
  18
  19   type p_type
  20     type(basep_type), allocatable :: basepv(:)
  21     integer :: p1 , p2 = 1
  22   end type p_type
  23 end module p_type_mod
  24
  25 program foo
  26
  27  use p_type_mod
  28   implicit none
  29
  30   type(m_type), target :: a
  31   type(p_type) :: pre
  32   type(basep_type) :: wee
  33
  34   call test_ab8 ()
  35
  36   a = m_type ((/101,102/))
  37
  38   call p_bld (a, pre)
  39
  40   if (associated (wee%ap) .or. wee%i /= 101) call abort ()
  41   wee%ap => a
  42   if (.not.associated (wee%ap) .or. allocated (wee%av)) call abort ()
  43   wee = basep_type ((/m_type ((/201, 202, 203/))/), null (), 99)
  44   if (.not.allocated (wee%av) .or. associated (wee%ap) .or. (wee%i .ne. 99)) call abort ()
  45
  46 contains
  47
  48 ! Check that allocatable components are nullified after allocation.
  49   subroutine test_ab8 ()
  50     type(p_type)    :: p
  51     integer :: ierr
  52
  53     if (.not.allocated(p%basepv)) then
  54       allocate(p%basepv(1),stat=ierr)
  55     endif
  56     if (allocated (p%basepv) .neqv. .true.) call abort ()
  57     if (allocated (p%basepv(1)%av) .neqv. .false.) call abort
  58     if (p%basepv(1)%i .ne. 101) call abort ()
  59
  60   end subroutine test_ab8
  61
  62     subroutine p_bld (a, p)
  63       use p_type_mod
  64       type (m_type) :: a
  65       type(p_type) :: p
  66       if (any (a%p .ne. (/101,102/))) call abort ()
  67       if (allocated (p%basepv) .or. (p%p2 .ne. 1)) call abort ()
  68     end subroutine p_bld
  69
  70 end program foo
  71 ! { dg-final { cleanup-modules "p_type_mod" } }