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Diffstat (limited to 'gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_associated.f90')
-rw-r--r-- | gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_associated.f90 | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_associated.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_associated.f90 new file mode 100644 index 00000000000..24d647ef15a --- /dev/null +++ b/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_associated.f90 @@ -0,0 +1,137 @@ +! Program to test the ASSOCIATED intrinsic. +program intrinsic_associated + call pointer_to_section () + call associate_1 () + call pointer_to_derived_1 () + call associated_2 () +end + +subroutine pointer_to_section () + integer, dimension(100, 100), target :: xy + integer, dimension(:, :), pointer :: window + integer i, j, k, m, n + data xy /10000*0/ + logical t + + window => xy(10:50, 30:60) + window = 10 + window (1, 1) = 0101 + window (41, 31) = 4161 + window (41, 1) = 4101 + window (1, 31) = 0161 + + t = associated (window, xy(10:50, 30:60)) + if (.not.t) call abort () + if (window(1, 1) .ne. xy(10, 30)) call abort () + if (window(41, 31) .ne. xy(50, 60)) call abort () + if (window(1, 31) .ne. xy(10, 60)) call abort () + if (window(41, 1) .ne. xy(50, 30)) call abort () + if (xy(9, 29) .ne. 0) call abort () + if (xy(51,29 ) .ne. 0) call abort () + if (xy(9, 60) .ne. 0) call abort () + if (xy(51, 60) .ne. 0) call abort () + if (xy(11, 31) .ne. 10) call abort () + if (xy(49, 59) .ne. 10) call abort () + if (xy(11, 59) .ne. 10) call abort () + if (xy(49, 31) .ne. 10) call abort () +end + +subroutine sub1 (a, ap) + integer, pointer :: ap(:, :) + integer, target :: a(10, 10) + + ap => a +end + +subroutine nullify_pp (a) + integer, pointer :: a(:, :) + + if (.not. associated (a)) call abort () + nullify (a) +end + +subroutine associate_1 () + integer, pointer :: a(:, :), b(:, :) + interface + subroutine nullify_pp (a) + integer, pointer :: a(:, :) + end subroutine nullify_pp + end interface + + allocate (a(80, 80)) + b => a + if (.not. associated(a)) call abort () + if (.not. associated(b)) call abort () + call nullify_pp (a) + if (associated (a)) call abort () + if (.not. associated (b)) call abort () +end + +subroutine pointer_to_derived_1 () + type record + integer :: value + type(record), pointer :: rp + end type record + + type record1 + integer value + type(record2), pointer :: r1p + end type + + type record2 + integer value + type(record1), pointer :: r2p + end type + + type(record), target :: e1, e2, e3 + type(record1), target :: r1 + type(record2), target :: r2 + + nullify (r1%r1p, r2%r2p, e1%rp, e2%rp, e3%rp) + if (associated (r1%r1p)) call abort () + if (associated (r2%r2p)) call abort () + if (associated (e2%rp)) call abort () + if (associated (e1%rp)) call abort () + if (associated (e3%rp)) call abort () + r1%r1p => r2 + r2%r2p => r1 + r1%value = 11 + r2%value = 22 + e1%rp => e2 + e2%rp => e3 + e1%value = 33 + e1%rp%value = 44 + e1%rp%rp%value = 55 + if (.not. associated (r1%r1p)) call abort () + if (.not. associated (r2%r2p)) call abort () + if (.not. associated (e1%rp)) call abort () + if (.not. associated (e2%rp)) call abort () + if (associated (e3%rp)) call abort () + if (r1%r1p%value .ne. 22) call abort () + if (r2%r2p%value .ne. 11) call abort () + if (e1%value .ne. 33) call abort () + if (e2%value .ne. 44) call abort () + if (e3%value .ne. 55) call abort () + if (r1%value .ne. 11) call abort () + if (r2%value .ne. 22) call abort () + +end + +subroutine associated_2 () + integer, pointer :: xp(:, :) + integer, target :: x(10, 10) + integer, target :: y(100, 100) + interface + subroutine sub1 (a, ap) + integer, pointer :: ap(:, :) + integer, target :: a(10, 1) + end + endinterface + + xp => y + if (.not. associated (xp)) call abort () + call sub1 (x, xp) + if (associated (xp, y)) call abort () + if (.not. associated (xp, x)) call abort () +end + |