code: def test_place(self, xp, dtype):
      a = testing.shaped_arange(self.shape, xp, dtype)
      if self.n_vals == 0:
          mask = xp.zeros(self.shape, dtype=numpy.bool_)
      else:
          mask = testing.shaped_random(self.shape, xp, numpy.bool_)
      vals = testing.shaped_random((self.n_vals,), xp, dtype)
      xp.place(a, mask, vals)
      return a
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestPlace obj's underlying member method code with example usage: obj.test_place(xp, dtype) and returns: a