Method test_tails

functional/test/test_functional.py:190–194

(self)

        self.assertIteratorEqual(l.inits().map(lambda s: s.sum()), [6, 3, 1, 0])

    def test_tails(self):
        l = self.seq([1, 2, 3]).map(lambda x: x)
        expect = [[1, 2, 3], [2, 3], [3], []]
        self.assertIteratorEqual(l.tails(), expect)
        self.assertIteratorEqual(l.tails().map(lambda s: s.sum()), [6, 5, 3, 0])

    def test_drop(self):
        s = self.seq([1, 2, 3, 4, 5, 6])