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Diffstat (limited to 'gcc/testsuite/gfortran.dg/backspace_5.f')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/backspace_5.f | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/backspace_5.f b/gcc/testsuite/gfortran.dg/backspace_5.f new file mode 100644 index 000000000..4cd657a78 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/backspace_5.f @@ -0,0 +1,35 @@ +!{ 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 = 1000 + dimension idata(datasize) + idata = -42 + 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 + idata(1) = -4 + idata( datasize) = -5 + write(11)idata + read(11,end= 1000 )idata + call abort() + 1000 continue + backspace 11 + backspace 11 + backspace 11 + read(11,end= 1001 )idata + if(idata(1).ne.-3 .or. idata(datasize).ne.-4) call abort() + stop + 1001 continue + call abort() + 1010 stop + end + |