test_fileio.py 文件源码

def testErrors(self):
        f = self.f
        self.assertTrue(not f.isatty())
        self.assertTrue(not f.closed)
        #self.assertEqual(f.name, TESTFN)
        self.assertRaises(ValueError, f.read, 10) # Open for reading
        f.close()
        self.assertTrue(f.closed)
        f = _FileIO(TESTFN, 'r')
        self.assertRaises(TypeError, f.readinto, "")
        self.assertTrue(not f.closed)
        f.close()
        self.assertTrue(f.closed)