gcc/testsuite/gfortran.dg/direct_io_11.f90

   1 ! { dg-do run }
   2 ! PR42090 Problems reading partial records in formatted direct access files
   3 ! Test case from PR, prepared by Jerry DeLisle <jvdelisle@gcc.gnu.org>
   4 program da_good_now
   5   implicit none
   6   real :: a, b
   7
   8   a = 1.111111111
   9   b = 2.222222222
  10
  11   open( 10, file = 't.dat', form = 'formatted', access = 'direct', recl = 12 )
  12   write( 10, rec = 1, fmt = '( f6.4, /, f6.4 )' ) a, b
  13   close( 10 )
  14
  15   a = -1.0
  16   b = -1.0
  17
  18   open( 10, file = 't.dat', form = 'formatted', access = 'direct', recl = 12 )
  19
  20   read( 10, rec = 1, fmt = '( f6.4, /, f6.4 )' ) a, b
  21   !write( *, '( "partial record 1", t25, 2( f6.4, 1x ) )' ) a, b
  22   a = -1.0
  23   b = -1.0
  24
  25   read( 10, rec = 1, fmt = '( f6.4 )' ) a, b
  26   !write( *, '( "partial record 2", t25, 2( f6.4, 1x ) )' ) a, b
  27   if (a /= 1.1111 .and. b /= 2.2222) STOP 1
  28   a = -1.0
  29   b = -1.0
  30
  31   read( 10, rec = 1, fmt = '( f12.4, /, f12.4 )' ) a, b
  32   !write( *, '( "full record 1", t25, 2( f6.4, 1x ) )' ) a, b
  33   if (a /= 1.1111 .and. b /= 2.2222) STOP 2
  34   a = -1.0
  35   b = -1.0
  36
  37   read( 10, rec = 1, fmt = '( f12.4 )' ) a, b
  38   !write( *, '( "full record 2", t25, 2( f6.4, 1x ) )' ) a, b
  39   if (a /= 1.1111 .and. b /= 2.2222) STOP 3
  40   a = -1.0
  41   b = -1.0
  42
  43   read( 10, rec = 1, fmt = '( f6.4, 6x, /, f6.4, 6x )' ) a, b
  44   !write( *, '( "full record with 6x", t25, 2( f6.4, 1x ) )' ) a, b
  45   if (a /= 1.1111 .and. b /= 2.2222) STOP 4
  46   a = -1.0
  47   b = -1.0
  48
  49   read( 10, rec = 1, fmt = '( f6.4 )' ) a
  50   read( 10, rec = 2, fmt = '( f6.4 )' ) b
  51   !write( *, '( "record at a time", t25, 2( f6.4, 1x ) )' ) a, b
  52   if (a /= 1.1111 .and. b /= 2.2222) STOP 5
  53
  54   close( 10, status="delete")
  55 end program da_good_now