code: def test_diag_order(self):
      row = numpy.array((0, 0, 1, 1, 2), dtype=numpy.int32)
      col = numpy.array((0, 1, 1, 2, 2), dtype=numpy.int32)
      assert utils.get_order(row, col) == "C"
      assert utils.get_order(col, row) == "C"
  
file_path: chainer/tests/chainer_tests/utils_tests/test_sparse.py
imports: import unittest
  import numpy
  from chainer import testing
  from chainer import utils
label_desc: Use image node_id 2 for calling the TestGetOrder2 obj's underlying member method code with example usage: obj.test_diag_order() without return types