def METHOD_NAME():
    # Load parameters.
    p1 = params.parameters(test.xmlFilePathAndName("test_parameters.xml"),
                           recurse = True,
                           add_filename_param = False)
    # Save.
    p1.saveToFile("temp.xml")
    # Re-load.
    p2 = params.parameters("temp.xml",
                           recurse = True,
                           add_filename_param = False)
    # Check that they are the same.
    assert (len(params.difference(p1, p2)) == 0) and (len(params.difference(p2, p1)) == 0)