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! Test eoshift2 for character arrays.
! { dg-do run }
program main
implicit none
integer, parameter :: n1 = 2, n2 = 5, n3 = 4, slen = 3
character (len = slen), dimension (n1, n2, n3) :: a
character (len = slen), dimension (n1, n3) :: filler
integer (kind = 1) :: shift1 = 4
integer (kind = 2) :: shift2 = 2
integer (kind = 4) :: shift3 = 3
integer (kind = 8) :: shift4 = 1
integer :: i1, i2, i3
filler (1, :) = (/ 'tic', 'tac', 'toe', 'tip' /)
filler (2, :) = (/ 'zzz', 'yyy', 'xxx', 'www' /)
do i3 = 1, n3
do i2 = 1, n2
do i1 = 1, n1
a (i1, i2, i3) = 'ab'(i1:i1) // 'cdefg'(i2:i2) // 'hijk'(i3:i3)
end do
end do
end do
call test (eoshift (a, shift1, filler, 2), int (shift1), .true.)
call test (eoshift (a, shift2, filler, 2), int (shift2), .true.)
call test (eoshift (a, shift3, filler, 2), int (shift3), .true.)
call test (eoshift (a, shift4, filler, 2), int (shift4), .true.)
call test (eoshift (a, shift1, dim = 2), int (shift1), .false.)
call test (eoshift (a, shift2, dim = 2), int (shift2), .false.)
call test (eoshift (a, shift3, dim = 2), int (shift3), .false.)
call test (eoshift (a, shift4, dim = 2), int (shift4), .false.)
contains
subroutine test (b, d2, has_filler)
character (len = slen), dimension (n1, n2, n3) :: b
logical :: has_filler
integer :: d2
do i3 = 1, n3
do i2 = 1, n2
do i1 = 1, n1
if (i2 + d2 .le. n2) then
if (b (i1, i2, i3) .ne. a (i1, i2 + d2, i3)) call abort
else if (has_filler) then
if (b (i1, i2, i3) .ne. filler (i1, i3)) call abort
else
if (b (i1, i2, i3) .ne. '') call abort
end if
end do
end do
end do
end subroutine test
end program main
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