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