| ! { dg-do run } |
| ! PR27757 Problems with direct access I/O |
| ! This test checks a series of random writes followed by random reads. |
| ! Contributed by Jerry DeLisle <jvdelisle@gcc.gnu.org> |
| |
| program testdirect |
| implicit none |
| integer, dimension(100) :: a |
| integer :: i,j,k,ier |
| real :: x |
| data a / 13, 9, 34, 41, 25, 98, 6, 12, 11, 44, 79, 3,& |
| & 64, 61, 77, 57, 59, 2, 92, 38, 71, 64, 31, 60, 28, 90, 26,& |
| & 97, 47, 26, 48, 96, 95, 82, 100, 90, 45, 71, 71, 67, 72,& |
| & 76, 94, 49, 85, 45, 100, 22, 96, 48, 13, 23, 40, 14, 76, 99,& |
| & 96, 90, 65, 2, 8, 60, 96, 19, 45, 1, 100, 48, 91, 20, 92,& |
| & 72, 81, 59, 24, 37, 43, 21, 54, 68, 31, 19, 79, 63, 41,& |
| & 42, 12, 10, 62, 43, 9, 30, 9, 54, 35, 4, 5, 55, 3, 94 / |
| |
| open(unit=15,file="testdirectio",access="direct",form="unformatted",recl=89) |
| do i=1,100 |
| k = a(i) |
| write(unit=15, rec=k) k |
| enddo |
| do j=1,100 |
| read(unit=15, rec=a(j), iostat=ier) k |
| if (ier.ne.0) then |
| call abort() |
| else |
| if (a(j) /= k) call abort() |
| endif |
| enddo |
| close(unit=15, status="delete") |
| end program testdirect |