mirror of https://github.com/python/cpython
152 lines
4.9 KiB
Python
152 lines
4.9 KiB
Python
import sys
|
|
from test.test_json import PyTest, CTest
|
|
|
|
|
|
class TestScanstring:
|
|
def test_scanstring(self):
|
|
scanstring = self.json.decoder.scanstring
|
|
self.assertEqual(
|
|
scanstring('"z\U0001d120x"', 1, True),
|
|
('z\U0001d120x', 5))
|
|
|
|
self.assertEqual(
|
|
scanstring('"\\u007b"', 1, True),
|
|
('{', 8))
|
|
|
|
self.assertEqual(
|
|
scanstring('"A JSON payload should be an object or array, not a string."', 1, True),
|
|
('A JSON payload should be an object or array, not a string.', 60))
|
|
|
|
self.assertEqual(
|
|
scanstring('["Unclosed array"', 2, True),
|
|
('Unclosed array', 17))
|
|
|
|
self.assertEqual(
|
|
scanstring('["extra comma",]', 2, True),
|
|
('extra comma', 14))
|
|
|
|
self.assertEqual(
|
|
scanstring('["double extra comma",,]', 2, True),
|
|
('double extra comma', 21))
|
|
|
|
self.assertEqual(
|
|
scanstring('["Comma after the close"],', 2, True),
|
|
('Comma after the close', 24))
|
|
|
|
self.assertEqual(
|
|
scanstring('["Extra close"]]', 2, True),
|
|
('Extra close', 14))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Extra comma": true,}', 2, True),
|
|
('Extra comma', 14))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Extra value after close": true} "misplaced quoted value"', 2, True),
|
|
('Extra value after close', 26))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Illegal expression": 1 + 2}', 2, True),
|
|
('Illegal expression', 21))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Illegal invocation": alert()}', 2, True),
|
|
('Illegal invocation', 21))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Numbers cannot have leading zeroes": 013}', 2, True),
|
|
('Numbers cannot have leading zeroes', 37))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Numbers cannot be hex": 0x14}', 2, True),
|
|
('Numbers cannot be hex', 24))
|
|
|
|
self.assertEqual(
|
|
scanstring('[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', 21, True),
|
|
('Too deep', 30))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Missing colon" null}', 2, True),
|
|
('Missing colon', 16))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Double colon":: null}', 2, True),
|
|
('Double colon', 15))
|
|
|
|
self.assertEqual(
|
|
scanstring('{"Comma instead of colon", null}', 2, True),
|
|
('Comma instead of colon', 25))
|
|
|
|
self.assertEqual(
|
|
scanstring('["Colon instead of comma": false]', 2, True),
|
|
('Colon instead of comma', 25))
|
|
|
|
self.assertEqual(
|
|
scanstring('["Bad value", truth]', 2, True),
|
|
('Bad value', 12))
|
|
|
|
def test_surrogates(self):
|
|
scanstring = self.json.decoder.scanstring
|
|
def assertScan(given, expect):
|
|
self.assertEqual(scanstring(given, 1, True),
|
|
(expect, len(given)))
|
|
|
|
assertScan('"z\\ud834\\u0079x"', 'z\ud834yx')
|
|
assertScan('"z\\ud834\\udd20x"', 'z\U0001d120x')
|
|
assertScan('"z\\ud834\\ud834\\udd20x"', 'z\ud834\U0001d120x')
|
|
assertScan('"z\\ud834x"', 'z\ud834x')
|
|
assertScan('"z\\ud834\udd20x12345"', 'z\ud834\udd20x12345')
|
|
assertScan('"z\\udd20x"', 'z\udd20x')
|
|
assertScan('"z\ud834\udd20x"', 'z\ud834\udd20x')
|
|
assertScan('"z\ud834\\udd20x"', 'z\ud834\udd20x')
|
|
assertScan('"z\ud834x"', 'z\ud834x')
|
|
|
|
def test_bad_escapes(self):
|
|
scanstring = self.json.decoder.scanstring
|
|
bad_escapes = [
|
|
'"\\"',
|
|
'"\\x"',
|
|
'"\\u"',
|
|
'"\\u0"',
|
|
'"\\u01"',
|
|
'"\\u012"',
|
|
'"\\uz012"',
|
|
'"\\u0z12"',
|
|
'"\\u01z2"',
|
|
'"\\u012z"',
|
|
'"\\u0x12"',
|
|
'"\\u0X12"',
|
|
'"\\u{0}"'.format("\uff10" * 4),
|
|
'"\\u 123"',
|
|
'"\\u-123"',
|
|
'"\\u+123"',
|
|
'"\\u1_23"',
|
|
'"\\ud834\\"',
|
|
'"\\ud834\\u"',
|
|
'"\\ud834\\ud"',
|
|
'"\\ud834\\udd"',
|
|
'"\\ud834\\udd2"',
|
|
'"\\ud834\\uzdd2"',
|
|
'"\\ud834\\udzd2"',
|
|
'"\\ud834\\uddz2"',
|
|
'"\\ud834\\udd2z"',
|
|
'"\\ud834\\u0x20"',
|
|
'"\\ud834\\u0X20"',
|
|
'"\\ud834\\u{0}"'.format("\uff10" * 4),
|
|
'"\\ud834\\u 123"',
|
|
'"\\ud834\\u-123"',
|
|
'"\\ud834\\u+123"',
|
|
'"\\ud834\\u1_23"',
|
|
]
|
|
for s in bad_escapes:
|
|
with self.assertRaises(self.JSONDecodeError, msg=s):
|
|
scanstring(s, 1, True)
|
|
|
|
def test_overflow(self):
|
|
with self.assertRaises(OverflowError):
|
|
self.json.decoder.scanstring(b"xxx", sys.maxsize+1)
|
|
|
|
|
|
class TestPyScanstring(TestScanstring, PyTest): pass
|
|
class TestCScanstring(TestScanstring, CTest): pass
|