code: def test_check_parameters(self):
      with assert_raises(ValueError):
          COF(contamination=0.1, n_neighbors=-1)
      with assert_raises(ValueError):
          COF(contamination=10.0, n_neighbors=5)
      with assert_raises(TypeError):
          COF(contamination=0.1, n_neighbors="not int")
      cof_ = COF(contamination=0.1, n_neighbors=10000)
      cof_.fit(self.X_train)
      assert self.X_train.shape[0] > cof_.n_neighbors_
  
imports: from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import unittest
  from numpy.testing import assert_allclose
  from numpy.testing import assert_array_less
  from numpy.testing import assert_equal
  from numpy.testing import assert_raises
  from scipy.stats import rankdata
  from sklearn.base import clone
  from sklearn.metrics import roc_auc_score
  from pyod.models.cof import COF
  from pyod.utils.data import generate_data
label_desc: Use image node_id 14 for calling the TestMemoryCOF obj's underlying member method code with example usage: obj.test_check_parameters() without return types