code: def test_doa_calculate_chaotic_map():
      new_doa = doa.DOA()
  
      c_map = new_doa._calculate_chaotic_map(0, 1)
  
      assert c_map.shape == (1,)
  
file_path: opytimizer/tests/opytimizer/optimizers/misc/test_doa.py
imports: import numpy
  from opytimizer.optimizers.misc import doa
  from opytimizer.spaces import search
label_desc: Use image node_id 4 for calling a global function with example usage: test_doa_calculate_chaotic_map() without return types