code: def test_CurvatureStats_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          copy_inputs=dict(),
          curvfile1=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-2,
          ),
          curvfile2=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-1,
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          hemisphere=dict(
              argstr="%s",
              mandatory=True,
              position=-3,
          ),
          min_max=dict(
              argstr="-m",
          ),
          out_file=dict(
              argstr="-o %s",
              extensions=None,
              hash_files=False,
              name_source=["hemisphere"],
              name_template="%s.curv.stats",
          ),
          subject_id=dict(
              argstr="%s",
              mandatory=True,
              position=-4,
              usedefault=True,
          ),
          subjects_dir=dict(),
          surface=dict(
              argstr="-F %s",
              extensions=None,
          ),
          values=dict(
              argstr="-G",
          ),
          write=dict(
              argstr="--writeCurvatureFiles",
          ),
      )
      inputs = CurvatureStats.input_spec()
  
      for key, metadata in list(input_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(inputs.traits()[key], metakey) == value
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_CurvatureStats_inputs() without return types