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-- encoding-sensitive tests for jsonpath
-- checks for double-quoted values
-- basic unicode input
SELECT '"\u"'::jsonpath; -- ERROR, incomplete escape
SELECT '"\u00"'::jsonpath; -- ERROR, incomplete escape
SELECT '"\u000g"'::jsonpath; -- ERROR, g is not a hex digit
SELECT '"\u0000"'::jsonpath; -- OK, legal escape
SELECT '"\uaBcD"'::jsonpath; -- OK, uppercase and lower case both OK
-- handling of unicode surrogate pairs
select '"\ud83d\ude04\ud83d\udc36"'::jsonpath as correct_in_utf8;
select '"\ud83d\ud83d"'::jsonpath; -- 2 high surrogates in a row
select '"\ude04\ud83d"'::jsonpath; -- surrogates in wrong order
select '"\ud83dX"'::jsonpath; -- orphan high surrogate
select '"\ude04X"'::jsonpath; -- orphan low surrogate
--handling of simple unicode escapes
select '"the Copyright \u00a9 sign"'::jsonpath as correct_in_utf8;
select '"dollar \u0024 character"'::jsonpath as correct_everywhere;
select '"dollar \\u0024 character"'::jsonpath as not_an_escape;
select '"null \u0000 escape"'::jsonpath as not_unescaped;
select '"null \\u0000 escape"'::jsonpath as not_an_escape;
-- checks for quoted key names
-- basic unicode input
SELECT '$."\u"'::jsonpath; -- ERROR, incomplete escape
SELECT '$."\u00"'::jsonpath; -- ERROR, incomplete escape
SELECT '$."\u000g"'::jsonpath; -- ERROR, g is not a hex digit
SELECT '$."\u0000"'::jsonpath; -- OK, legal escape
SELECT '$."\uaBcD"'::jsonpath; -- OK, uppercase and lower case both OK
-- handling of unicode surrogate pairs
select '$."\ud83d\ude04\ud83d\udc36"'::jsonpath as correct_in_utf8;
select '$."\ud83d\ud83d"'::jsonpath; -- 2 high surrogates in a row
select '$."\ude04\ud83d"'::jsonpath; -- surrogates in wrong order
select '$."\ud83dX"'::jsonpath; -- orphan high surrogate
select '$."\ude04X"'::jsonpath; -- orphan low surrogate
--handling of simple unicode escapes
select '$."the Copyright \u00a9 sign"'::jsonpath as correct_in_utf8;
select '$."dollar \u0024 character"'::jsonpath as correct_everywhere;
select '$."dollar \\u0024 character"'::jsonpath as not_an_escape;
select '$."null \u0000 escape"'::jsonpath as not_unescaped;
select '$."null \\u0000 escape"'::jsonpath as not_an_escape;
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