Adding upstream version 14.5.upstream/14.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 262 insertions, 0 deletions

diff --git a/src/test/regress/expected/json_encoding.out b/src/test/regress/expected/json_encoding.out
new file mode 100644
index 0000000..f343f74
--- /dev/null
+++ b/src/test/regress/expected/json_encoding.out
@@ -0,0 +1,262 @@
+--
+-- encoding-sensitive tests for json and jsonb
+--
+-- We provide expected-results files for UTF8 (json_encoding.out)
+-- and for SQL_ASCII (json_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)
+
+-- first json
+-- basic unicode input
+SELECT '"\u"'::json;			-- ERROR, incomplete escape
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u"'::json;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u"
+SELECT '"\u00"'::json;			-- ERROR, incomplete escape
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u00"'::json;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u00"
+SELECT '"\u000g"'::json;		-- ERROR, g is not a hex digit
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u000g"'::json;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u000g...
+SELECT '"\u0000"'::json;		-- OK, legal escape
+   json   
+----------
+ "\u0000"
+(1 row)
+
+SELECT '"\uaBcD"'::json;		-- OK, uppercase and lower case both OK
+   json   
+----------
+ "\uaBcD"
+(1 row)
+
+-- handling of unicode surrogate pairs
+select json '{ "a":  "\ud83d\ude04\ud83d\udc36" }' -> 'a' as correct_in_utf8;
+      correct_in_utf8       
+----------------------------
+ "\ud83d\ude04\ud83d\udc36"
+(1 row)
+
+select json '{ "a":  "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
+ERROR:  invalid input syntax for type json
+DETAIL:  Unicode high surrogate must not follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+select json '{ "a":  "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
+ERROR:  invalid input syntax for type json
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+select json '{ "a":  "\ud83dX" }' -> 'a'; -- orphan high surrogate
+ERROR:  invalid input syntax for type json
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+select json '{ "a":  "\ude04X" }' -> 'a'; -- orphan low surrogate
+ERROR:  invalid input syntax for type json
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+--handling of simple unicode escapes
+select json '{ "a":  "the Copyright \u00a9 sign" }' as correct_in_utf8;
+            correct_in_utf8            
+---------------------------------------
+ { "a":  "the Copyright \u00a9 sign" }
+(1 row)
+
+select json '{ "a":  "dollar \u0024 character" }' as correct_everywhere;
+         correct_everywhere          
+-------------------------------------
+ { "a":  "dollar \u0024 character" }
+(1 row)
+
+select json '{ "a":  "dollar \\u0024 character" }' as not_an_escape;
+            not_an_escape             
+--------------------------------------
+ { "a":  "dollar \\u0024 character" }
+(1 row)
+
+select json '{ "a":  "null \u0000 escape" }' as not_unescaped;
+         not_unescaped          
+--------------------------------
+ { "a":  "null \u0000 escape" }
+(1 row)
+
+select json '{ "a":  "null \\u0000 escape" }' as not_an_escape;
+          not_an_escape          
+---------------------------------
+ { "a":  "null \\u0000 escape" }
+(1 row)
+
+select json '{ "a":  "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
+   correct_in_utf8    
+----------------------
+ the Copyright © sign
+(1 row)
+
+select json '{ "a":  "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
+ correct_everywhere 
+--------------------
+ dollar $ character
+(1 row)
+
+select json '{ "a":  "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
+      not_an_escape      
+-------------------------
+ dollar \u0024 character
+(1 row)
+
+select json '{ "a":  "null \u0000 escape" }' ->> 'a' as fails;
+ERROR:  unsupported Unicode escape sequence
+DETAIL:  \u0000 cannot be converted to text.
+CONTEXT:  JSON data, line 1: { "a":...
+select json '{ "a":  "null \\u0000 escape" }' ->> 'a' as not_an_escape;
+   not_an_escape    
+--------------------
+ null \u0000 escape
+(1 row)
+
+-- then jsonb
+-- basic unicode input
+SELECT '"\u"'::jsonb;			-- ERROR, incomplete escape
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u"'::jsonb;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u"
+SELECT '"\u00"'::jsonb;			-- ERROR, incomplete escape
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u00"'::jsonb;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u00"
+SELECT '"\u000g"'::jsonb;		-- ERROR, g is not a hex digit
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT '"\u000g"'::jsonb;
+               ^
+DETAIL:  "\u" must be followed by four hexadecimal digits.
+CONTEXT:  JSON data, line 1: "\u000g...
+SELECT '"\u0045"'::jsonb;		-- OK, legal escape
+ jsonb 
+-------
+ "E"
+(1 row)
+
+SELECT '"\u0000"'::jsonb;		-- ERROR, we don't support U+0000
+ERROR:  unsupported Unicode escape sequence
+LINE 1: SELECT '"\u0000"'::jsonb;
+               ^
+DETAIL:  \u0000 cannot be converted to text.
+CONTEXT:  JSON data, line 1: ...
+-- use octet_length here so we don't get an odd unicode char in the
+-- output
+SELECT octet_length('"\uaBcD"'::jsonb::text); -- OK, uppercase and lower case both OK
+ octet_length 
+--------------
+            5
+(1 row)
+
+-- handling of unicode surrogate pairs
+SELECT octet_length((jsonb '{ "a":  "\ud83d\ude04\ud83d\udc36" }' -> 'a')::text) AS correct_in_utf8;
+ correct_in_utf8 
+-----------------
+              10
+(1 row)
+
+SELECT jsonb '{ "a":  "\ud83d\ud83d" }' -> 'a'; -- 2 high surrogates in a row
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT jsonb '{ "a":  "\ud83d\ud83d" }' -> 'a';
+                     ^
+DETAIL:  Unicode high surrogate must not follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+SELECT jsonb '{ "a":  "\ude04\ud83d" }' -> 'a'; -- surrogates in wrong order
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT jsonb '{ "a":  "\ude04\ud83d" }' -> 'a';
+                     ^
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+SELECT jsonb '{ "a":  "\ud83dX" }' -> 'a'; -- orphan high surrogate
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT jsonb '{ "a":  "\ud83dX" }' -> 'a';
+                     ^
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+SELECT jsonb '{ "a":  "\ude04X" }' -> 'a'; -- orphan low surrogate
+ERROR:  invalid input syntax for type json
+LINE 1: SELECT jsonb '{ "a":  "\ude04X" }' -> 'a';
+                     ^
+DETAIL:  Unicode low surrogate must follow a high surrogate.
+CONTEXT:  JSON data, line 1: { "a":...
+-- handling of simple unicode escapes
+SELECT jsonb '{ "a":  "the Copyright \u00a9 sign" }' as correct_in_utf8;
+        correct_in_utf8        
+-------------------------------
+ {"a": "the Copyright © sign"}
+(1 row)
+
+SELECT jsonb '{ "a":  "dollar \u0024 character" }' as correct_everywhere;
+     correct_everywhere      
+-----------------------------
+ {"a": "dollar $ character"}
+(1 row)
+
+SELECT jsonb '{ "a":  "dollar \\u0024 character" }' as not_an_escape;
+           not_an_escape           
+-----------------------------------
+ {"a": "dollar \\u0024 character"}
+(1 row)
+
+SELECT jsonb '{ "a":  "null \u0000 escape" }' as fails;
+ERROR:  unsupported Unicode escape sequence
+LINE 1: SELECT jsonb '{ "a":  "null \u0000 escape" }' as fails;
+                     ^
+DETAIL:  \u0000 cannot be converted to text.
+CONTEXT:  JSON data, line 1: { "a":...
+SELECT jsonb '{ "a":  "null \\u0000 escape" }' as not_an_escape;
+        not_an_escape         
+------------------------------
+ {"a": "null \\u0000 escape"}
+(1 row)
+
+SELECT jsonb '{ "a":  "the Copyright \u00a9 sign" }' ->> 'a' as correct_in_utf8;
+   correct_in_utf8    
+----------------------
+ the Copyright © sign
+(1 row)
+
+SELECT jsonb '{ "a":  "dollar \u0024 character" }' ->> 'a' as correct_everywhere;
+ correct_everywhere 
+--------------------
+ dollar $ character
+(1 row)
+
+SELECT jsonb '{ "a":  "dollar \\u0024 character" }' ->> 'a' as not_an_escape;
+      not_an_escape      
+-------------------------
+ dollar \u0024 character
+(1 row)
+
+SELECT jsonb '{ "a":  "null \u0000 escape" }' ->> 'a' as fails;
+ERROR:  unsupported Unicode escape sequence
+LINE 1: SELECT jsonb '{ "a":  "null \u0000 escape" }' ->> 'a' as fai...
+                     ^
+DETAIL:  \u0000 cannot be converted to text.
+CONTEXT:  JSON data, line 1: { "a":...
+SELECT jsonb '{ "a":  "null \\u0000 escape" }' ->> 'a' as not_an_escape;
+   not_an_escape    
+--------------------
+ null \u0000 escape
+(1 row)
+