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Proper surrogate pair decoding added to JSON functions. See the mailing list

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bug report and [https://bugs.python.org/issue38749].  More test cases
needed here, but it seems to work so far.

FossilOrigin-Name: 51027f08c0478f1bf9d7545d9e268c772c0a5cd5dda4b03d78f16c7d94f2f50d
This commit is contained in:
drh
2019-11-10 11:09:06 +00:00
parent 9576802dba
commit 48eb03bd0e
4 changed files with 75 additions and 20 deletions
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15
test/json101.test
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@ -832,4 +832,19 @@ do_execsql_test json-15.130 {
SELECT xyz.* FROM (JSON_EACH('{"a":1, "b":2}')) AS xyz;
} {a 1 integer 1 2 {} {$.a} {$} b 2 integer 2 4 {} {$.b} {$}}
# 2019-11-10
# Mailing list bug report on the handling of surrogate pairs
# in JSON.
#
do_execsql_test json-16.10 {
SELECT length(json_extract('"abc\uD834\uDD1Exyz"','$'));
} {7}
do_execsql_test json-16.20 {
SELECT length(json_extract('"\uD834\uDD1E"','$'));
} {1}
do_execsql_test json-16.30 {
SELECT unicode(json_extract('"\uD834\uDD1E"','$'));
} {119070}
finish_test