1 import sys 2 from json.tests import PyTest, CTest 3 4 5 class TestScanstring(object): 6 def test_scanstring(self): 7 scanstring = self.json.decoder.scanstring 8 self.assertEqual( 9 scanstring('"z\\ud834\\udd20x"', 1, None, True), 10 (u'z\U0001d120x', 16)) 11 12 if sys.maxunicode == 65535: 13 self.assertEqual( 14 scanstring(u'"z\U0001d120x"', 1, None, True), 15 (u'z\U0001d120x', 6)) 16 else: 17 self.assertEqual( 18 scanstring(u'"z\U0001d120x"', 1, None, True), 19 (u'z\U0001d120x', 5)) 20 21 self.assertEqual( 22 scanstring('"\\u007b"', 1, None, True), 23 (u'{', 8)) 24 25 self.assertEqual( 26 scanstring('"A JSON payload should be an object or array, not a string."', 1, None, True), 27 (u'A JSON payload should be an object or array, not a string.', 60)) 28 29 self.assertEqual( 30 scanstring('["Unclosed array"', 2, None, True), 31 (u'Unclosed array', 17)) 32 33 self.assertEqual( 34 scanstring('["extra comma",]', 2, None, True), 35 (u'extra comma', 14)) 36 37 self.assertEqual( 38 scanstring('["double extra comma",,]', 2, None, True), 39 (u'double extra comma', 21)) 40 41 self.assertEqual( 42 scanstring('["Comma after the close"],', 2, None, True), 43 (u'Comma after the close', 24)) 44 45 self.assertEqual( 46 scanstring('["Extra close"]]', 2, None, True), 47 (u'Extra close', 14)) 48 49 self.assertEqual( 50 scanstring('{"Extra comma": true,}', 2, None, True), 51 (u'Extra comma', 14)) 52 53 self.assertEqual( 54 scanstring('{"Extra value after close": true} "misplaced quoted value"', 2, None, True), 55 (u'Extra value after close', 26)) 56 57 self.assertEqual( 58 scanstring('{"Illegal expression": 1 + 2}', 2, None, True), 59 (u'Illegal expression', 21)) 60 61 self.assertEqual( 62 scanstring('{"Illegal invocation": alert()}', 2, None, True), 63 (u'Illegal invocation', 21)) 64 65 self.assertEqual( 66 scanstring('{"Numbers cannot have leading zeroes": 013}', 2, None, True), 67 (u'Numbers cannot have leading zeroes', 37)) 68 69 self.assertEqual( 70 scanstring('{"Numbers cannot be hex": 0x14}', 2, None, True), 71 (u'Numbers cannot be hex', 24)) 72 73 self.assertEqual( 74 scanstring('[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', 21, None, True), 75 (u'Too deep', 30)) 76 77 self.assertEqual( 78 scanstring('{"Missing colon" null}', 2, None, True), 79 (u'Missing colon', 16)) 80 81 self.assertEqual( 82 scanstring('{"Double colon":: null}', 2, None, True), 83 (u'Double colon', 15)) 84 85 self.assertEqual( 86 scanstring('{"Comma instead of colon", null}', 2, None, True), 87 (u'Comma instead of colon', 25)) 88 89 self.assertEqual( 90 scanstring('["Colon instead of comma": false]', 2, None, True), 91 (u'Colon instead of comma', 25)) 92 93 self.assertEqual( 94 scanstring('["Bad value", truth]', 2, None, True), 95 (u'Bad value', 12)) 96 97 def test_issue3623(self): 98 self.assertRaises(ValueError, self.json.decoder.scanstring, b"xxx", 1, 99 "xxx") 100 self.assertRaises(UnicodeDecodeError, 101 self.json.encoder.encode_basestring_ascii, b"xx\xff") 102 103 def test_overflow(self): 104 with self.assertRaises(OverflowError): 105 self.json.decoder.scanstring(b"xxx", sys.maxsize+1) 106 107 108 class TestPyScanstring(TestScanstring, PyTest): pass 109 class TestCScanstring(TestScanstring, CTest): pass 110
