def METHOD_NAME(self):
    """
    Test _get_size
    """
    items_list = [
        None,
        {},
        {"links": None},
        {"links": []},
        {"links": [{}]},
        {"links": [{"length": 1}, {"length": None}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": ""}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "0"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "123"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "12.3"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "-123"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "-12.3"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 0}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 123}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 12.3}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": -123}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": -12.3}, {"length": 3}]},
    ]
    results_list = [-1, -1, -1, -1, -1, -1, -1, 0, 123, -1, -123, -1, 0, 123, 12, -123, -12]
    unicode_items_list = [
        {"links": None},
        {"links": []},
        {"links": [{}]},
        {"links": [{"length": 1}, {"length": None}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": ""}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "0"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "123"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "12.3"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "-123"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": "-12.3"}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 0}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 123}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": 12.3}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": -123}, {"length": 3}]},
        {"links": [{"length": 1}, {"length": -12.3}, {"length": 3}]},
    ]
    unicode_results_list = [-1, -1, -1, -1, -1, 0, 123, -1, -123, -1, 0, 123, 12, -123, -12]
    assert len(items_list) == len(results_list), "Number of parameters ({0:d}) and results ({1:d}) does not match".format(
        len(items_list), len(results_list)
    )
    assert len(unicode_items_list) == len(unicode_results_list), "Number of parameters ({0:d}) and results ({1:d}) does not match".format(
        len(unicode_items_list), len(unicode_results_list)
    )
    for index, item in enumerate(items_list):
        assert NZBProvider("Test Provider")._get_size(item) == results_list[index]
    for index, item in enumerate(unicode_items_list):
        assert NZBProvider("Test Provider")._get_size(item) == unicode_results_list[index]