diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/seq_io.f90')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/seq_io.f90 | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/seq_io.f90 b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/seq_io.f90 new file mode 100644 index 000000000..e16888829 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/seq_io.f90 @@ -0,0 +1,81 @@ +! pr 15472 +! sequential access files +! +! this test verifies the most basic sequential unformatted I/O +! write 3 records of various sizes +! then read them back +! and compare with what was written +! + implicit none + integer size + parameter(size=100) + logical debug + data debug /.FALSE./ +! set debug to true for help in debugging failures. + integer m(2) + integer n + real*4 r(size) + integer i + m(1) = Z'11111111' + m(2) = Z'22222222' + n = Z'33333333' + do i = 1,size + r(i) = i + end do + write(9)m ! an array of 2 + write(9)n ! an integer + write(9)r ! an array of reals +! zero all the results so we can compare after they are read back + do i = 1,size + r(i) = 0 + end do + m(1) = 0 + m(2) = 0 + n = 0 + + rewind(9) + read(9)m + read(9)n + read(9)r +! +! check results + if (m(1).ne.Z'11111111') then + if (debug) then + print '(A,Z8)','m(1) incorrect. m(1) = ',m(1) + else + call abort + endif + endif + + if (m(2).ne.Z'22222222') then + if (debug) then + print '(A,Z8)','m(2) incorrect. m(2) = ',m(2) + else + call abort + endif + endif + + if (n.ne.Z'33333333') then + if (debug) then + print '(A,Z8)','n incorrect. n = ',n + else + call abort + endif + endif + + do i = 1,size + if (int(r(i)).ne.i) then + if (debug) then + print*,'element ',i,' was ',r(i),' should be ',i + else + call abort + endif + endif + end do +! use hexdump to look at the file "fort.9" + if (debug) then + close(9) + else + close(9,status='DELETE') + endif + end |