def METHOD_NAME():
    """Unit tests for `line_profile` functional (decorator)"""
    @line_profile
    def get_number():
        log.logging.trace('hello, i am get_number')
        for x in range(500000):
            yield x
    @line_profile
    def expensive_function():
        log.logging.trace('hello, i am expensive fun')
        for x in get_number():
            _ = x ^ x ^ x
        return 'some result!'
    _ = expensive_function()
    log.logging.info('<< ??? : test_line_profile >> Inspect above outputs')