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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/associated_2.f90 | |
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Diffstat (limited to 'gcc/testsuite/gfortran.dg/associated_2.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/associated_2.f90 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/associated_2.f90 b/gcc/testsuite/gfortran.dg/associated_2.f90 new file mode 100644 index 000000000..1ff8006de --- /dev/null +++ b/gcc/testsuite/gfortran.dg/associated_2.f90 @@ -0,0 +1,51 @@ +! { dg-do run } +! Tests the implementation of 13.14.13 of the f95 standard +! in respect of zero character and zero array length. +! +! Contributed by Paul Thomas <pault@gcc.gnu.org> +! + call test1 () + call test2 () + call test3 (0) + call test3 (1) +contains + subroutine test1 () + integer, pointer, dimension(:, :, :) :: a, b + allocate (a(2,0,2)) + b => a +! Even though b is zero length, associated returns true because +! the target argument is not present (case (i)) + if (.not. associated (b)) call abort () + deallocate (a) + nullify(a) + if(associated(a,a)) call abort() + allocate (a(2,1,2)) + b => a + if (.not.associated (b)) call abort () + deallocate (a) + end subroutine test1 + subroutine test2 () + integer, pointer, dimension(:, :, :) :: a, b + allocate (a(2,0,2)) + b => a +! Associated returns false because target is present (case(iii)). + if (associated (b, a)) call abort () + deallocate (a) + allocate (a(2,1,2)) + b => a + if (.not.associated (b, a)) call abort () + deallocate (a) + end subroutine test2 + subroutine test3 (n) + integer :: n + character(len=n), pointer, dimension(:) :: a, b + allocate (a(2)) + b => a +! Again, with zero character length associated returns false +! if target is present. + if (associated (b, a) .and. (n .eq. 0)) call abort () +! + if ((.not.associated (b, a)) .and. (n .ne. 0)) call abort () + deallocate (a) + end subroutine test3 +end |