code: def check_broadcast_forward(self, xp):
      x = xp.arange(12, dtype=self.dtype).reshape((3, 4)).copy()
      v = chainer.Variable(x)
      y = F.as_strided(v, (2, 3, 4), (0, 4, 1), 0)
      y_expected = _broadcast_to(xp, x, (2, 3, 4))
      testing.assert_allclose(y.array, y_expected)
  
imports: import unittest
  import numpy
  import chainer
  from chainer import cuda
  import chainer.functions
  from chainer.functions.array.as_strided import _stride_array
  from chainer import testing
label_desc: Use image node_id 4 for calling the TestAsStridedForward obj's underlying member method code with example usage: obj.check_broadcast_forward(xp) without return types