old_contents: """
      Tests for the NURBS-Python package
      Released under The MIT License. See LICENSE file for details.
      Copyright (c) 2018 Onur Rauf Bingol
  
      Tests geomdl.utilities module. Requires "pytest" to run.
  """
  from geomdl import utilities
  
  
  def test_autogen_knotvector():
      degree = 4
      num_ctrlpts = 12
      autogen_kv = utilities.generate_knot_vector(degree, num_ctrlpts)
      result = [0.0, 0.0, 0.0, 0.0, 0.0, 0.125, 0.25, 0.375, 0.5, 0.625, 0.75, 0.875, 1.0, 1.0, 1.0, 1.0, 1.0]
      assert autogen_kv == result
  
  
  def test_check_knotvector():
      degree = 4
      num_ctrlpts = 12
      autogen_kv = utilities.generate_knot_vector(degree, num_ctrlpts)
      check_result = utilities.check_knot_vector(degree=degree, control_points_size=num_ctrlpts, knot_vector=autogen_kv)
      assert check_result == True
  
  
new_contents: """
      Tests for the NURBS-Python package
      Released under The MIT License. See LICENSE file for details.
      Copyright (c) 2018 Onur Rauf Bingol
  
      Tests geomdl.utilities module. Requires "pytest" to run.
  """
  from geomdl import utilities
  
  
  def test_autogen_knot_vector():
      degree = 4
      num_ctrlpts = 12
      autogen_kv = utilities.generate_knot_vector(degree, num_ctrlpts)
      result = [0.0, 0.0, 0.0, 0.0, 0.0, 0.125, 0.25, 0.375, 0.5, 0.625, 0.75, 0.875, 1.0, 1.0, 1.0, 1.0, 1.0]
      assert autogen_kv == result
  
  
  def test_check_knot_vector():
      degree = 4
      num_ctrlpts = 12
      autogen_kv = utilities.generate_knot_vector(degree, num_ctrlpts)
      check_result = utilities.check_knot_vector(degree=degree, control_points_size=num_ctrlpts, knot_vector=autogen_kv)
      assert check_result
  
  
  def test_normalize_knot_vector():
      input_kv = (-5, -5, -3, -2, 2, 3, 5, 5)
      output_kv = [0.0, 0.0, 0.2, 0.3, 0.7, 0.8, 1.0, 1.0]
      to_check = utilities.normalize_knot_vector(input_kv)
      assert to_check == output_kv
  
subject: Add knot vector normalization test