Method check_encoding

Lib/test/test_string_literals.py:326–336

(self, encoding, extra="")

        self.assertEqual(eval(r""" U'\U0001d120' """), u'\U0001d120')

    def check_encoding(self, encoding, extra=""):
        modname = "xx_" + encoding.replace("-", "_")
        fn = os.path.join(self.tmpdir, modname + ".py")
        f = open(fn, "w", encoding=encoding)
        try:
            f.write(TEMPLATE % encoding)
            f.write(extra)
        finally:
            f.close()
        __import__(modname)
        del sys.modules[modname]

    def test_file_utf_8(self):
        extra = "z = '\u1234'; assert ord(z) == 0x1234\n"