Method testBooleanFd

Lib/test/test_io/test_fileio.py:628–634

(self)

            self.assertRaises(OSError, msvcrt.get_osfhandle, make_bad_fd())

    def testBooleanFd(self):
        for fd in False, True:
            with self.assertWarnsRegex(RuntimeWarning,
                    'bool is used as a file descriptor') as cm:
                f = self.FileIO(fd, closefd=False)
            f.close()
            self.assertEqual(cm.filename, __file__)

    def testBadModeArgument(self):
        # verify that we get a sensible error message for bad mode argument