Method testWeakRefs

Lib/test/test_file.py:27–35

(self)

        os_helper.unlink(TESTFN)

    def testWeakRefs(self):
        # verify weak references
        p = proxy(self.f)
        p.write(b'teststring')
        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 testAttributes(self):
        # verify expected attributes exist