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Diffstat (limited to 'gcc/testsuite/gfortran.dg/read_eof_3.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/read_eof_3.f90 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/read_eof_3.f90 b/gcc/testsuite/gfortran.dg/read_eof_3.f90 new file mode 100644 index 000000000..af35aa6d3 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/read_eof_3.f90 @@ -0,0 +1,31 @@ +! { dg-do run { target fd_truncate } } +! PR25835 Check that reading from a file that is at end-of-file does not +! segfault or give error. Test case derived from example in PR from Dale Ranta. +! Contributed by Jerry DeLisle <jvdelisle@gcc.gnu.org> + integer data(5000) + data=-256 + open(unit=11,status='scratch', form='unformatted') + write(11)data + write(11)data + read(11,end= 1000 )data + call abort() + 1000 continue + backspace 11 + rewind 11 + write(11)data + read(11,end= 1001 )data + call abort() + 1001 continue + data = 0 + backspace 11 + rewind 11 + read(11,end= 1002 )data + if (.not. all(data == -256)) call abort() + 1002 continue + read(11,end= 1003 )data + call abort() + 1003 continue + close(11) + end + + |