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! Copyright 2021-2024 Free Software Foundation, Inc.
!
! This program is free software; you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation; either version 3 of the License, or
! (at your option) any later version.
!
! This program is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License
! along with this program. If not, see <http://www.gnu.org/licenses/>.
!
! Start of test program.
!
program test
! Things to point at.
integer, target :: array_1d (1:10) = 0
integer, target :: array_2d (1:10, 1:10) = 0
integer, target :: an_integer = 0
integer, target :: other_integer = 0
real, target :: a_real = 0.0
! Things to point with.
integer, pointer :: array_1d_p (:) => null ()
integer, pointer :: other_1d_p (:) => null ()
integer, pointer :: array_2d_p (:,:) => null ()
integer, pointer :: an_integer_p => null ()
integer, pointer :: other_integer_p => null ()
real, pointer :: a_real_p => null ()
! The start of the tests.
call test_associated (associated (array_1d_p))
call test_associated (associated (array_1d_p, array_1d))
array_1d_p => array_1d
call test_associated (associated (array_1d_p, array_1d))
array_1d_p => array_1d (2:10)
call test_associated (associated (array_1d_p, array_1d))
array_1d_p => array_1d (1:9)
call test_associated (associated (array_1d_p, array_1d))
array_1d_p => array_2d (3, :)
call test_associated (associated (array_1d_p, array_1d))
call test_associated (associated (array_1d_p, array_2d (2, :)))
call test_associated (associated (array_1d_p, array_2d (3, :)))
array_1d_p => null ()
call test_associated (associated (array_1d_p))
call test_associated (associated (array_1d_p, array_2d (3, :)))
call test_associated (associated (an_integer_p))
call test_associated (associated (an_integer_p, an_integer))
an_integer_p => an_integer
call test_associated (associated (an_integer_p))
call test_associated (associated (an_integer_p, an_integer))
call test_associated (associated (an_integer_p, other_integer_p))
other_integer_p => other_integer
call test_associated (associated (other_integer_p))
call test_associated (associated (an_integer_p, other_integer_p))
call test_associated (associated (other_integer_p, an_integer_p))
call test_associated (associated (other_integer_p, an_integer))
other_integer_p = an_integer_p
call test_associated (associated (an_integer_p, other_integer_p))
call test_associated (associated (other_integer_p, an_integer_p))
call test_associated (associated (a_real_p))
call test_associated (associated (a_real_p, a_real))
a_real_p => a_real
call test_associated (associated (a_real_p, a_real))
! Setup for final tests, these are performed at the print line
! below. These final tests are all error conditon checks,
! i.e. things that can't be compiled into Fortran.
array_1d_p => array_1d
print *, "" ! Final Breakpoint
print *, an_integer
print *, a_real
contains
subroutine test_associated (answer)
logical :: answer
print *,answer ! Test Breakpoint
end subroutine test_associated
end program test
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