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! REPEAT intrinsic -- various checks should be enforced

!

! { dg-do compile }

program test

  implicit none

  character(len=0), parameter :: s0 = ""

  character(len=1), parameter :: s1 = "a"

  character(len=2), parameter :: s2 = "ab"

  character(len=0) :: t0

  character(len=1) :: t1

  character(len=2) :: t2

  t0 = "" ; t1 = "a" ; t2 = "ab"

  ! Check for negative NCOPIES argument

  print *, repeat(s0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  print *, repeat(s1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  print *, repeat(s2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  print *, repeat(t0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  print *, repeat(t1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  print *, repeat(t2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }

  ! Check for too large NCOPIES argument and limit cases

  print *, repeat(t0, huge(0))

  print *, repeat(t1, huge(0))

  print *, repeat(t2, huge(0)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }

  print *, repeat(s2, huge(0)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }

  print *, repeat(t0, huge(0)/2)

  print *, repeat(t1, huge(0)/2)

  print *, repeat(t2, huge(0)/2)

  print *, repeat(t0, huge(0)/2+1)

  print *, repeat(t1, huge(0)/2+1)

  print *, repeat(t2, huge(0)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }

  print *, repeat(s2, huge(0)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }

end program test