code: def test_Dimension_properties():
      assert dimsys_SI.is_dimensionless(length) is False
      assert dimsys_SI.is_dimensionless(length / length) is True
      assert dimsys_SI.is_dimensionless(Dimension("undefined")) is False
  
      assert length.has_integer_powers(dimsys_SI) is True
      assert (length ** (-1)).has_integer_powers(dimsys_SI) is True
      assert (length**1.5).has_integer_powers(dimsys_SI) is False
  
file_path: sympy/sympy/physics/units/tests/test_dimensions.py
imports: from sympy.physics.units.systems.si import dimsys_SI
  from sympy.core.numbers import pi
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol
  from sympy.functions.elementary.complexes import Abs
  from sympy.functions.elementary.exponential import log
  from sympy.functions.elementary.miscellaneous import sqrt
  from sympy.functions.elementary.trigonometric import acos, atan2, cos
  from sympy.physics.units.dimensions import Dimension
  from sympy.physics.units.definitions.dimension_definitions import length, time, mass, force, pressure, angle
  from sympy.physics.units import foot
  from sympy.testing.pytest import raises
label_desc: Use image node_id 4 for calling a global function with example usage: test_Dimension_properties() without return types