code: def check_shaped_initializer(self, xp):
      initializer = self.target(dtype=self.dtype)
      w = initializers.generate_array(initializer, self.shape, xp)
      self.assertIs(cuda.get_array_module(w), xp)
      self.assertTupleEqual(w.shape, self.shape)
      self.assertEqual(w.dtype, self.dtype)
  
file_path: chainer/tests/chainer_tests/initializer_tests/test_sampling.py
imports: import unittest
  import numpy
  from chainer.backends import cuda
  from chainer import initializers
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 4 for calling the TestUpsamplingDeconvFilter obj's underlying member method code with example usage: obj.check_shaped_initializer(xp) without return types