Method testWeakRefs

Lib/test/test_io/test_fileio.py:41–49

(self)

        os.remove(TESTFN)

    def testWeakRefs(self):
        # verify weak references
        p = proxy(self.f)
        p.write(bytes(range(10)))
        self.assertEqual(self.f.tell(), p.tell())
        self.f.close()
        self.f = None
        gc_collect()  # For PyPy or other GCs.
        self.assertRaises(ReferenceError, getattr, p, 'tell')

    def testSeekTell(self):
        self.f.write(bytes(range(20)))