code: def test_simple(self):
      # sqrt(1)
      check_complex_value(np.sqrt, 1, 0, 1, 0)
  
      # sqrt(1i)
      rres = 0.5 * np.sqrt(2)
      ires = rres
      check_complex_value(np.sqrt, 0, 1, rres, ires, False)
  
      # sqrt(-1)
      check_complex_value(np.sqrt, -1, 0, 0, 1)
  
imports: import sys
  import platform
  import pytest
  import numpy
  import numpy.core._multiarray_umath
  from numpy.testing import assert_raises, assert_equal, assert_array_equal, assert_almost_equal, assert_array_max_ulp
label_desc: Use image node_id 1 for calling the TestCsqrt obj's underlying member method code with example usage: obj.test_simple() without return types