| !{ dg-do run } |
| ! PR26464 File I/O error related to buffering and BACKSPACE |
| ! Test case derived from case by Dale Ranta. |
| ! Submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org> |
| program test |
| integer,parameter :: datasize = 5000 |
| dimension idata(datasize) |
| open (11, status="scratch", form="unformatted") |
| idata(1) = -1 |
| idata(datasize) = -2 |
| write(11)idata |
| idata(1) = -2 |
| idata(datasize) = -3 |
| write(11)idata |
| idata(1) = -3 |
| idata(datasize) = -4 |
| write(11)idata |
| backspace 11 |
| backspace 11 |
| idata(1) = -2 |
| idata(datasize) = -3 |
| write(11)idata |
| read(11,end= 1003 )idata |
| call abort() |
| 1003 continue |
| backspace 11 |
| backspace 11 |
| read(11,end= 1004 )idata |
| if(idata(1).ne.-2 .or.idata(datasize).ne.-3) call abort() |
| stop |
| 1004 continue |
| end |
| |
