code: def test_AssumptionsWrapper():
      x = Symbol("x", positive=True)
      y = Symbol("y")
      assert AssumptionsWrapper(x).is_positive
      assert AssumptionsWrapper(y).is_positive is None
      assert AssumptionsWrapper(y, Q.positive(y)).is_positive
  
file_path: sympy/sympy/assumptions/tests/test_wrapper.py
imports: from sympy.assumptions.ask import Q
  from sympy.assumptions.wrapper import AssumptionsWrapper, is_infinite, is_extended_real
  from sympy.core.symbol import Symbol
  from sympy.core.assumptions import _assume_defined
label_desc: Use image node_id 2 for calling a global function with example usage: test_AssumptionsWrapper() without return types