cpython/Lib/test/test_pep263.py

67 lines
2.3 KiB
Python

# -*- coding: koi8-r -*-
import unittest
from test import test_support
class PEP263Test(unittest.TestCase):
def test_pep263(self):
self.assertEqual(
u"ðÉÔÏÎ".encode("utf-8"),
'\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd'
)
self.assertEqual(
u"\ð".encode("utf-8"),
'\\\xd0\x9f'
)
def test_compilestring(self):
# see #1882
c = compile("\n# coding: utf-8\nu = u'\xc3\xb3'\n", "dummy", "exec")
d = {}
exec c in d
self.assertEqual(d['u'], u'\xf3')
def test_issue3297(self):
c = compile("a, b = '\U0001010F', '\\U0001010F'", "dummy", "exec")
d = {}
exec(c, d)
self.assertEqual(d['a'], d['b'])
self.assertEqual(len(d['a']), len(d['b']))
def test_issue7820(self):
# Ensure that check_bom() restores all bytes in the right order if
# check_bom() fails in pydebug mode: a buffer starts with the first
# byte of a valid BOM, but next bytes are different
# one byte in common with the UTF-16-LE BOM
self.assertRaises(SyntaxError, eval, '\xff\x20')
# two bytes in common with the UTF-8 BOM
self.assertRaises(SyntaxError, eval, '\xef\xbb\x20')
def test_error_message(self):
compile('# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec')
compile('\xef\xbb\xbf\n', 'dummy', 'exec')
compile('\xef\xbb\xbf# -*- coding: utf-8 -*-\n', 'dummy', 'exec')
with self.assertRaisesRegexp(SyntaxError, 'fake'):
compile('# -*- coding: fake -*-\n', 'dummy', 'exec')
with self.assertRaisesRegexp(SyntaxError, 'iso-8859-15'):
compile('\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n',
'dummy', 'exec')
with self.assertRaisesRegexp(SyntaxError, 'BOM'):
compile('\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n',
'dummy', 'exec')
with self.assertRaisesRegexp(SyntaxError, 'fake'):
compile('\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec')
with self.assertRaisesRegexp(SyntaxError, 'BOM'):
compile('\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec')
def test_main():
test_support.run_unittest(PEP263Test)
if __name__=="__main__":
test_main()