'Check that calling ZipFile.write without arcname specified
produces the expected result.'

def test_write_default_name(self):

    with zipfile.ZipFile(TESTFN2, 'w') as zipfp:
        zipfp.write(TESTFN)
        with open(TESTFN, 'rb') as f:
            self.assertEqual(zipfp.read(TESTFN), f.read())
