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reject leading zeros in strict-mode number parsing

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This commit is contained in:
Javid Khan
2026-07-28 13:27:25 +05:30
parent 1bd2e4b3ef
commit ff18c75286
3 changed files with 33 additions and 7 deletions
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tests/test_parse.c
+9
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@@ -366,6 +366,15 @@ struct incremental_step
{"12{", 3, 2, json_tokener_success, 1, 0},
/* Parse number in strict mode */
{"[02]", -1, 3, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
/* Leading zeros are rejected in strict mode, for every sign and type ... */
{"[00]", -1, 3, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-00]", -1, 4, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-01]", -1, 4, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[-0123]", -1, 6, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
{"[01.5]", -1, 5, json_tokener_error_parse_number, 1, JSON_TOKENER_STRICT},
/* ... but a lone zero, "-0" and a zero before the fraction stay valid. */
{"[-0]", -1, -1, json_tokener_success, 1, JSON_TOKENER_STRICT},
{"[0.5]", -1, -1, json_tokener_success, 1, JSON_TOKENER_STRICT},
{"0e+0", 5, 4, json_tokener_success, 1, 0},
{"[0e+0]", -1, -1, json_tokener_success, 1, 0},
tests/test_parse.expected
+8 -1
View File
@@ -156,6 +156,13 @@ json_tokener_parse_ex(tok, 1 , 1) ... OK: got correct error: continu
json_tokener_parse_ex(tok, 2 , 2) ... OK: got object of type [int]: 12
json_tokener_parse_ex(tok, 12{ , 3) ... OK: got object of type [int]: 12
json_tokener_parse_ex(tok, [02] , 4) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [00] , 4) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [-00] , 5) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [-01] , 5) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [-0123] , 7) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [01.5] , 6) ... OK: got correct error: number expected
json_tokener_parse_ex(tok, [-0] , 4) ... OK: got object of type [array]: [ 0 ]
json_tokener_parse_ex(tok, [0.5] , 5) ... OK: got object of type [array]: [ 0.5 ]
json_tokener_parse_ex(tok, 0e+0 , 5) ... OK: got object of type [double]: 0e+0
json_tokener_parse_ex(tok, [0e+0] , 6) ... OK: got object of type [array]: [ 0e+0 ]
json_tokener_parse_ex(tok, 0e , 2) ... OK: got correct error: continue
@@ -368,5 +375,5 @@ json_tokener_parse_ex(tok, {"":1} , 7) ... OK: got correct error: invalid
json_tokener_parse_ex(tok, {"":1} , 7) ... OK: got correct error: invalid string sequence
json_tokener_parse_ex(tok, {"":1} , 7) ... OK: got correct error: invalid string sequence
json_tokener_parse_ex(tok, {"":1} , 7) ... OK: got correct error: invalid string sequence
End Incremental Tests OK=272 ERROR=0
End Incremental Tests OK=279 ERROR=0
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