code: def test_char_special_case(self):
      arr = np.array("string", dtype="c")
      assert arr.shape == (6,)
      assert arr.dtype.char == "c"
      arr = np.array(["string"], dtype="c")
      assert arr.shape == (1, 6)
      assert arr.dtype.char == "c"
  
imports: from itertools import permutations, product
  import pytest
  from pytest import param
  import numpy
  from numpy.core._rational_tests import rational
  from numpy.core._multiarray_umath import _discover_array_parameters
  from numpy.testing import assert_array_equal, assert_warns, IS_PYPY
label_desc: Use image node_id 2 for calling the TestScalarDiscovery obj's underlying member method code with example usage: obj.test_char_special_case() without return types