gcc/testsuite/gfortran.dg/repeat_4.f90

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