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--
-- encoding-sensitive tests for jsonpath
--
-- We provide expected-results files for UTF8 (jsonpath_encoding.out)
-- and for SQL_ASCII (jsonpath_encoding_1.out). Skip otherwise.
SELECT getdatabaseencoding() NOT IN ('UTF8', 'SQL_ASCII')
AS skip_test \gset
\if :skip_test
\quit
\endif
SELECT getdatabaseencoding(); -- just to label the results files
getdatabaseencoding
---------------------
UTF8
(1 row)
-- checks for double-quoted values
-- basic unicode input
SELECT '"\u"'::jsonpath; -- ERROR, incomplete escape
ERROR: invalid unicode sequence at or near "\u" of jsonpath input
LINE 1: SELECT '"\u"'::jsonpath;
^
SELECT '"\u00"'::jsonpath; -- ERROR, incomplete escape
ERROR: invalid unicode sequence at or near "\u00" of jsonpath input
LINE 1: SELECT '"\u00"'::jsonpath;
^
SELECT '"\u000g"'::jsonpath; -- ERROR, g is not a hex digit
ERROR: invalid unicode sequence at or near "\u000" of jsonpath input
LINE 1: SELECT '"\u000g"'::jsonpath;
^
SELECT '"\u0000"'::jsonpath; -- OK, legal escape
ERROR: unsupported Unicode escape sequence
LINE 1: SELECT '"\u0000"'::jsonpath;
^
DETAIL: \u0000 cannot be converted to text.
SELECT '"\uaBcD"'::jsonpath; -- OK, uppercase and lower case both OK
jsonpath
----------
"ꯍ"
(1 row)
-- handling of unicode surrogate pairs
select '"\ud83d\ude04\ud83d\udc36"'::jsonpath as correct_in_utf8;
correct_in_utf8
-----------------
"😄🐶"
(1 row)
select '"\ud83d\ud83d"'::jsonpath; -- 2 high surrogates in a row
ERROR: invalid input syntax for type jsonpath
LINE 1: select '"\ud83d\ud83d"'::jsonpath;
^
DETAIL: Unicode high surrogate must not follow a high surrogate.
select '"\ude04\ud83d"'::jsonpath; -- surrogates in wrong order
ERROR: invalid input syntax for type jsonpath
LINE 1: select '"\ude04\ud83d"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
select '"\ud83dX"'::jsonpath; -- orphan high surrogate
ERROR: invalid input syntax for type jsonpath
LINE 1: select '"\ud83dX"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
select '"\ude04X"'::jsonpath; -- orphan low surrogate
ERROR: invalid input syntax for type jsonpath
LINE 1: select '"\ude04X"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
--handling of simple unicode escapes
select '"the Copyright \u00a9 sign"'::jsonpath as correct_in_utf8;
correct_in_utf8
------------------------
"the Copyright © sign"
(1 row)
select '"dollar \u0024 character"'::jsonpath as correct_everywhere;
correct_everywhere
----------------------
"dollar $ character"
(1 row)
select '"dollar \\u0024 character"'::jsonpath as not_an_escape;
not_an_escape
----------------------------
"dollar \\u0024 character"
(1 row)
select '"null \u0000 escape"'::jsonpath as not_unescaped;
ERROR: unsupported Unicode escape sequence
LINE 1: select '"null \u0000 escape"'::jsonpath as not_unescaped;
^
DETAIL: \u0000 cannot be converted to text.
select '"null \\u0000 escape"'::jsonpath as not_an_escape;
not_an_escape
-----------------------
"null \\u0000 escape"
(1 row)
-- checks for quoted key names
-- basic unicode input
SELECT '$."\u"'::jsonpath; -- ERROR, incomplete escape
ERROR: invalid unicode sequence at or near "\u" of jsonpath input
LINE 1: SELECT '$."\u"'::jsonpath;
^
SELECT '$."\u00"'::jsonpath; -- ERROR, incomplete escape
ERROR: invalid unicode sequence at or near "\u00" of jsonpath input
LINE 1: SELECT '$."\u00"'::jsonpath;
^
SELECT '$."\u000g"'::jsonpath; -- ERROR, g is not a hex digit
ERROR: invalid unicode sequence at or near "\u000" of jsonpath input
LINE 1: SELECT '$."\u000g"'::jsonpath;
^
SELECT '$."\u0000"'::jsonpath; -- OK, legal escape
ERROR: unsupported Unicode escape sequence
LINE 1: SELECT '$."\u0000"'::jsonpath;
^
DETAIL: \u0000 cannot be converted to text.
SELECT '$."\uaBcD"'::jsonpath; -- OK, uppercase and lower case both OK
jsonpath
----------
$."ꯍ"
(1 row)
-- handling of unicode surrogate pairs
select '$."\ud83d\ude04\ud83d\udc36"'::jsonpath as correct_in_utf8;
correct_in_utf8
-----------------
$."😄🐶"
(1 row)
select '$."\ud83d\ud83d"'::jsonpath; -- 2 high surrogates in a row
ERROR: invalid input syntax for type jsonpath
LINE 1: select '$."\ud83d\ud83d"'::jsonpath;
^
DETAIL: Unicode high surrogate must not follow a high surrogate.
select '$."\ude04\ud83d"'::jsonpath; -- surrogates in wrong order
ERROR: invalid input syntax for type jsonpath
LINE 1: select '$."\ude04\ud83d"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
select '$."\ud83dX"'::jsonpath; -- orphan high surrogate
ERROR: invalid input syntax for type jsonpath
LINE 1: select '$."\ud83dX"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
select '$."\ude04X"'::jsonpath; -- orphan low surrogate
ERROR: invalid input syntax for type jsonpath
LINE 1: select '$."\ude04X"'::jsonpath;
^
DETAIL: Unicode low surrogate must follow a high surrogate.
--handling of simple unicode escapes
select '$."the Copyright \u00a9 sign"'::jsonpath as correct_in_utf8;
correct_in_utf8
--------------------------
$."the Copyright © sign"
(1 row)
select '$."dollar \u0024 character"'::jsonpath as correct_everywhere;
correct_everywhere
------------------------
$."dollar $ character"
(1 row)
select '$."dollar \\u0024 character"'::jsonpath as not_an_escape;
not_an_escape
------------------------------
$."dollar \\u0024 character"
(1 row)
select '$."null \u0000 escape"'::jsonpath as not_unescaped;
ERROR: unsupported Unicode escape sequence
LINE 1: select '$."null \u0000 escape"'::jsonpath as not_unescaped;
^
DETAIL: \u0000 cannot be converted to text.
select '$."null \\u0000 escape"'::jsonpath as not_an_escape;
not_an_escape
-------------------------
$."null \\u0000 escape"
(1 row)
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