text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  #
  # michael a.g. aïvázis
  # orthologue
  # (c) 1998-2021 all rights reserved
  #
  
  
  """
  Exercise "isGreaterEqual"
  """
  
  
  def test():
      import pyre.constraints
      constraint = pyre.constraints.isGreaterEqual(value=1)
  
      constraint.validate(1)
      constraint.validate(1.1)
      constraint.validate(2)
  
      stranger = 0
      try:
          constraint.validate(stranger)
      except constraint.ConstraintViolationError as error:
          assert error.constraint == constraint
          assert error.value == stranger
  
      return constraint
  
  
  # main
  if __name__ == "__main__":
      # skip pyre initialization since we don't rely on the executive
      pyre_noboot = True
      # do...
      test()
  
  
  # end of file
  