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! { dg-do compile }
! { dg-shouldfail "Invalid Fortran 2003 code" }
! { dg-options "-std=f2003" }
! PR fortran/23994
!
! Test PROTECTED attribute. Within the module everything is allowed.
! Outside (use-associated): For pointers, their association status
! may not be changed. For nonpointers, their value may not be changed.
!
! Test of a invalid code
module protmod
implicit none
integer :: a
integer, target :: at
integer, pointer :: ap
protected :: a, at, ap
end module protmod
program main
use protmod
implicit none
integer :: j
logical :: asgnd
protected :: j ! { dg-error "only allowed in specification part of a module" }
a = 43 ! { dg-error "variable definition context" }
ap => null() ! { dg-error "pointer association context" }
nullify(ap) ! { dg-error "pointer association context" }
ap => & ! { dg-error "pointer association context" }
& at ! { dg-error "Pointer assignment target has PROTECTED attribute" }
ap = 3 ! OK
allocate(ap) ! { dg-error "pointer association context" }
ap = 73 ! OK
call increment(a,at) ! { dg-error "variable definition context" }
call pointer_assignments(ap) ! { dg-error "pointer association context" }
asgnd = pointer_check(ap)
contains
subroutine increment(a1,a3)
integer, intent(inout) :: a1, a3
a1 = a1 + 1
a3 = a3 + 1
end subroutine increment
subroutine pointer_assignments(p)
integer, pointer,intent(out) :: p
p => null()
end subroutine pointer_assignments
function pointer_check(p)
integer, pointer,intent(in) :: p
logical :: pointer_check
pointer_check = associated(p)
end function pointer_check
end program main
module test
real :: a
protected :: test ! { dg-error "MODULE attribute conflicts with PROTECTED" }
end module test
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