gcc/testsuite/gfortran.dg/protected_1.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          :: a,b
  14   integer, target  :: at,bt
  15   integer, pointer :: ap,bp
  16   protected :: a, at
  17   protected :: ap
  18 contains
  19   subroutine setValue()
  20     a = 43
  21     ap => null()
  22     nullify(ap)
  23     ap => at
  24     ap = 3
  25     allocate(ap)
  26     ap = 73
  27     call increment(a,ap,at)
  28     if(a /= 44 .or. ap /= 74 .or. at /= 4) STOP 1
  29   end subroutine setValue
  30   subroutine increment(a1,a2,a3)
  31     integer, intent(inout) :: a1, a2, a3
  32     a1 = a1 + 1
  33     a2 = a2 + 1
  34     a3 = a3 + 1
  35   end subroutine increment
  36 end module protmod
  37
  38 program main
  39   use protmod
  40   implicit none
  41   b = 5
  42   bp => bt
  43   bp = 4
  44   bt = 7
  45   call setValue()
  46   if(a /= 44 .or. ap /= 74 .or. at /= 4) STOP 2
  47   call plus5(ap)
  48   if(a /= 44 .or. ap /= 79 .or. at /= 4) STOP 3
  49   call checkVal(a,ap,at)
  50 contains
  51   subroutine plus5(j)
  52     integer, intent(inout) :: j
  53     j = j + 5
  54   end subroutine plus5
  55   subroutine checkVal(x,y,z)
  56     integer, intent(in) :: x, y, z
  57     if(a /= 44 .or. ap /= 79 .or. at /= 4) STOP 4
  58   end subroutine
  59 end program main