Method read

Lib/test/test_io.py:223–226

(self, n=None)

        super().__init__(data)

    def read(self, n=None):
        res = super().read(n)
        self.read_history.append(None if res is None else len(res))
        return res

    def readinto(self, b):
        res = super().readinto(b)