Method test_unreachable_code

Lib/test/test_patma.py:3502–3513

(self)

    @unittest.expectedFailure   # TODO: RUSTPYTHON
    def test_unreachable_code(self):
        def f(command):               # 0
            match command:            # 1
                case 1:               # 2
                    if False:         # 3
                        return 1      # 4
                case _:               # 5
                    if False:         # 6
                        return 0      # 7

        self.assertListEqual(self._trace(f, 1), [1, 2, 3])
        self.assertListEqual(self._trace(f, 0), [1, 2, 5, 6])

    def test_parser_deeply_nested_patterns(self):
        # Deeply nested patterns can cause exponential backtracking when parsing.