Method test_closefd_attr

Lib/test/test_io.py:799–805

(self)

                          encoding="utf-8", closefd=False)

    def test_closefd_attr(self):
        with self.open(os_helper.TESTFN, "wb") as f:
            f.write(b"egg\n")
        with self.open(os_helper.TESTFN, "r", encoding="utf-8") as f:
            self.assertEqual(f.buffer.raw.closefd, True)
            file = self.open(f.fileno(), "r", encoding="utf-8", closefd=False)
            self.assertEqual(file.buffer.raw.closefd, False)

    @unittest.expectedFailure  # TODO: RUSTPYTHON; AssertionError: filter ('', ResourceWarning) did not catch any warning
    @unittest.skipIf(sys.platform == "win32", "TODO: RUSTPYTHON; cyclic GC not supported, causes file locking")