code: def test_numpy_array(self):
      c = numpy.array([1, 2, 3])
      init = initializers._get_initializer(c)
  
      self.assertIsInstance(init, initializers.Constant)
  
      x = numpy.empty((3,), dtype=numpy.int32)
      init(x)
  
      expected = numpy.array([1, 2, 3], dtype=numpy.int32)
      numpy.testing.assert_array_equal(x, expected)
  
imports: import os
  import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import initializers
  from chainer import testing
  from chainer.testing import attr
  import chainerx
label_desc: Use image node_id 2 for calling the TestGetInitializer obj's underlying member method code with example usage: obj.test_numpy_array() without return types