def test_map_list(self):
        def mapTest(val, *args):
            return val * 2
        map = _([1, 2, 3, 4]).map(mapTest)
        self.assertEqual([2, 4, 6, 8], map, "map for list did not work")
        # alias
        map = _([1, 2, 3, 4]).collect(mapTest)
        self.assertEqual([2, 4, 6, 8], map, "collect for list did not work")
dataset/ETHPy150Open serkanyersen/underscore.py/tests/test_collections.py/TestCollections.test_map_list/original