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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90 | |
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Diffstat (limited to 'gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90 b/gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90 new file mode 100644 index 000000000..f0dcf4ccf --- /dev/null +++ b/gcc/testsuite/gfortran.dg/proc_ptr_comp_6.f90 @@ -0,0 +1,64 @@ +! { dg-do run } +! +! PR39630: Fortran 2003: Procedure pointer components. +! +! test case taken from: +! http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/4a827e8ced6efb0f/884b9eca6d7e6742?#884b9eca6d7e6742 +! http://fortranwiki.org/fortran/show/proc_component_example + +module proc_component_example + + type t + real :: a + procedure(print_int), pointer, & + nopass :: proc + end type t + + abstract interface + subroutine print_int (arg, lun) + import + type(t), intent(in) :: arg + integer, intent(in) :: lun + end subroutine print_int + end interface + + integer :: calls = 0 + +contains + + subroutine print_me (arg, lun) + type(t), intent(in) :: arg + integer, intent(in) :: lun + write (lun,*) arg%a + calls = calls + 1 + end subroutine print_me + + subroutine print_my_square (arg, lun) + type(t), intent(in) :: arg + integer, intent(in) :: lun + write (lun,*) arg%a**2 + calls = calls + 1 + end subroutine print_my_square + +end module proc_component_example + +program main + + use proc_component_example + use iso_fortran_env, only : output_unit + + type(t) :: x + + x%a = 2.71828 + + x%proc => print_me + call x%proc(x, output_unit) + x%proc => print_my_square + call x%proc(x, output_unit) + + if (calls/=2) call abort + +end program main + +! { dg-final { cleanup-modules "proc_component_example" } } + |