gcc/testsuite/gfortran.dg/protected_2.f90

   1 ! { dg-do run }
   2 ! { dg-options "-std=f2003 " }
   3 ! PR fortran/23994
   4 !
   5 ! Test PROTECTED attribute. Within the module everything is allowed.
   6 ! Outside (use-associated): For pointers, their association status
   7 ! may not be changed. For nonpointers, their value may not be changed.
   8 !
   9 ! Test of a valid code
  10
  11 module protmod
  12   implicit none
  13   integer, protected          :: a
  14   integer, protected, target  :: at
  15   integer, protected, pointer :: ap
  16 contains
  17   subroutine setValue()
  18     a = 43
  19     ap => null()
  20     nullify(ap)
  21     ap => at
  22     ap = 3
  23     allocate(ap)
  24     ap = 73
  25     call increment(a,ap,at)
  26     if(a /= 44 .or. ap /= 74 .or. at /= 4) STOP 1
  27   end subroutine setValue
  28   subroutine increment(a1,a2,a3)
  29     integer, intent(inout) :: a1, a2, a3
  30     a1 = a1 + 1
  31     a2 = a2 + 1
  32     a3 = a3 + 1
  33   end subroutine increment
  34 end module protmod
  35
  36 program main
  37   use protmod
  38   implicit none
  39   call setValue()
  40   if(a /= 44 .or. ap /= 74 .or. at /= 4) STOP 2
  41   call plus5(ap)
  42   if(a /= 44 .or. ap /= 79 .or. at /= 4) STOP 3
  43   call checkVal(a,ap,at)
  44 contains
  45   subroutine plus5(j)
  46     integer, intent(inout) :: j
  47     j = j + 5
  48   end subroutine plus5
  49   subroutine checkVal(x,y,z)
  50     integer, intent(in) :: x, y, z
  51     if(a /= 44 .or. ap /= 79 .or. at /= 4) STOP 4
  52   end subroutine
  53 end program main