class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
class_docstr_tok: ["Most","tests","done","in","the","base","class","LinearOperatorDerivedClassTest","."]
code: def test_is_x_parameters(self):
      matrix = [[1.0, 0.0], [1.0, 1.0]]
      sub_operator = linalg.LinearOperatorFullMatrix(matrix)
      operator = block_diag.LinearOperatorBlockDiag(
          [sub_operator],
          is_positive_definite=True,
          is_non_singular=True,
          is_self_adjoint=False,
      )
      self.assertEqual(
          operator.parameters,
          {
              "name": None,
              "is_square": True,
              "is_positive_definite": True,
              "is_self_adjoint": False,
              "is_non_singular": True,
              "operators": [sub_operator],
          },
      )
      self.assertEqual(
          sub_operator.parameters,
          {
              "is_non_singular": None,
              "is_positive_definite": None,
              "is_self_adjoint": None,
              "is_square": None,
              "matrix": matrix,
              "name": "LinearOperatorFullMatrix",
          },
      )
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_block_diag
  from tensorflow.python.ops.linalg import linear_operator_lower_triangular
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.ops.linalg import linear_operator_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the SquareLinearOperatorBlockDiagTest obj's underlying member method code with example usage: obj.test_is_x_parameters() without return types