code: def test_comap_init():
      # Test mapping and non-mapping functions
      incs, outcs, map, inv = voxel_to_world()
      cm = CoordinateMap(incs, outcs, map, inv)
      assert cm.function == map
      assert cm.function_domain == incs
      assert cm.function_range == outcs
      assert cm.inverse_function == inv
      pytest.raises(ValueError, CoordinateMap, incs, outcs, "foo", inv)
      pytest.raises(ValueError, CoordinateMap, incs, outcs, map, "bar")
  
imports: from copy import copy
  from types import SimpleNamespace
  import numpy
  from ..coordinate_map import AffineTransform, AxisError, CoordinateMap, CoordMapMaker, CoordMapMakerError, _as_coordinate_map, _fix0, append_io_dim, axmap, compose, drop_io_dim, equivalent, input_axis_index, io_axis_indices, orth_axes, product, shifted_domain_origin, shifted_range_origin
  from ..coordinate_system import CoordinateSystem, CoordinateSystemError, CoordSysMaker
  import pytest
  from numpy.testing import assert_almost_equal, assert_array_equal
label_desc: Use image node_id 14 for calling a global function with example usage: test_comap_init() without return types