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! { dg-do run }
!
! Allocating CLASS variables.
!
! Contributed by Janus Weil <janus@gcc.gnu.org>
implicit none
type t1
integer :: comp = 5
class(t1),pointer :: cc
end type
type, extends(t1) :: t2
integer :: j
end type
type, extends(t2) :: t3
integer :: k
end type
class(t1),pointer :: cp, cp2
type(t2),pointer :: cp3
type(t3) :: x
integer :: i
! (1) check that vindex is set correctly (for different cases)
i = 0
allocate(cp)
select type (cp)
type is (t1)
i = 1
type is (t2)
i = 2
type is (t3)
i = 3
end select
deallocate(cp)
if (i /= 1) call abort()
i = 0
allocate(t2 :: cp)
select type (cp)
type is (t1)
i = 1
type is (t2)
i = 2
type is (t3)
i = 3
end select
deallocate(cp)
if (i /= 2) call abort()
i = 0
allocate(cp, source = x)
select type (cp)
type is (t1)
i = 1
type is (t2)
i = 2
type is (t3)
i = 3
end select
deallocate(cp)
if (i /= 3) call abort()
i = 0
allocate(t2 :: cp2)
allocate(cp, source = cp2)
allocate(t2 :: cp3)
allocate(cp, source=cp3)
select type (cp)
type is (t1)
i = 1
type is (t2)
i = 2
type is (t3)
i = 3
end select
deallocate(cp)
deallocate(cp2)
if (i /= 2) call abort()
! (2) check initialization (default initialization vs. SOURCE)
allocate(cp)
if (cp%comp /= 5) call abort()
deallocate(cp)
x%comp = 4
allocate(cp, source=x)
if (cp%comp /= 4) call abort()
deallocate(cp)
end
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