Method test_index_lookup

Lib/test/test_string/test_string.py:104–111

(self)

            fmt.format("{0.lumber}{0.jack}", '')

    def test_index_lookup(self):
        fmt = string.Formatter()
        lookup = ["eggs", "and", "spam"]
        self.assertEqual(fmt.format("{0[2]}{0[0]}", lookup), 'spameggs')
        with self.assertRaises(IndexError):
            fmt.format("{0[2]}{0[0]}", [])
        with self.assertRaises(KeyError):
            fmt.format("{0[2]}{0[0]}", {})

    def test_auto_numbering_lookup(self):
        fmt = string.Formatter()