gcc/testsuite/gfortran.dg/fgetc_2.f90

   1 ! Testcase for the FGETC and FPUTC intrinsics
   2 ! { dg-do run }
   3   character(len=5) s
   4   integer st
   5
   6   s = "12345"
   7   open(10,status="scratch")
   8   write(10,"(A)") "abcde"
   9   rewind(10)
  10   st = fgetc(10,s)
  11   if ((st /= 0) .or. (s /= "a    ")) STOP 1
  12   st = fgetc(10,s)
  13   close(10)
  14
  15   open(10,status="scratch")
  16   s = "12345"
  17   st = fputc(10,s)
  18   if (st /= 0) STOP 2
  19   st = fputc(10,"2")
  20   if (st /= 0) STOP 3
  21   st = fputc(10,"3 ")
  22   if (st /= 0) STOP 4
  23   rewind(10)
  24   st = fgetc(10,s)
  25   if (s(1:1) /= "1") STOP 5
  26   st = fgetc(10,s)
  27   if (s(1:1) /= "2") STOP 6
  28   st = fgetc(10,s)
  29   if ((s(1:1) /= "3") .or. (st /= 0)) STOP 7
  30   st = fgetc(10,s)
  31   if (st /= -1) STOP 8
  32   close (10)
  33
  34 ! FGETC and FPUTC on units not opened should not work
  35   st = fgetc(12,s)
  36   if (st /= -1) STOP 9
  37   st = fputc(12,s)
  38   if (st /= -1) STOP 10
  39   end