gcc/testsuite/gfortran.dg/repeat_4.f90

   1 ! REPEAT intrinsic -- various checks should be enforced
   2 !
   3 ! { dg-do compile }
   4 program test
   5   implicit none
   6   character(len=0), parameter :: s0 = ""
   7   character(len=1), parameter :: s1 = "a"
   8   character(len=2), parameter :: s2 = "ab"
   9   character(len=0) :: t0
  10   character(len=1) :: t1
  11   character(len=2) :: t2
  12
  13   t0 = "" ; t1 = "a" ; t2 = "ab"
  14
  15   ! Check for negative NCOPIES argument
  16   print *, repeat(s0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  17   print *, repeat(s1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  18   print *, repeat(s2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  19   print *, repeat(t0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  20   print *, repeat(t1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  21   print *, repeat(t2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
  22
  23   ! Check for too large NCOPIES argument and limit cases
  24   print *, repeat(t0, huge(0))
  25   print *, repeat(t1, huge(0))
  26   print *, repeat(t2, huge(0)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
  27   print *, repeat(s2, huge(0)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
  28
  29   print *, repeat(t0, huge(0)/2)
  30   print *, repeat(t1, huge(0)/2)
  31   print *, repeat(t2, huge(0)/2)
  32
  33   print *, repeat(t0, huge(0)/2+1)
  34   print *, repeat(t1, huge(0)/2+1)
  35   print *, repeat(t2, huge(0)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
  36   print *, repeat(s2, huge(0)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
  37
  38 end program test