improve tests

Author: feodor

expected/jsquery.out

@@ -793,6 +793,30 @@ select '[1,2,3]'::jsonb @@ '#($ = 2)';
  t
 (1 row)
 
+select '[3,4]'::jsonb @@ '#($ > 2 & $ < 5)';
+ ?column? 
+----------
+ t
+(1 row)
+
+select '[3,4]'::jsonb @@ '# > 2 & # < 5';
+ ?column? 
+----------
+ t
+(1 row)
+
+select '[1,6]'::jsonb @@ '#($ > 2 & $ < 5)';
+ ?column? 
+----------
+ f
+(1 row)
+
+select '[1,6]'::jsonb @@ '# > 2 & # < 5';
+ ?column? 
+----------
+ t
+(1 row)
+
 select '{"a": {"b": 3, "c": "hey"}, "x": [5,6]}'::jsonb @@ '%.b=3';
  ?column? 
 ----------

sql/jsquery.sql

@@ -160,6 +160,11 @@ select '[1,2,3]'::jsonb @@ '# = 2';
 select '[1,2,3]'::jsonb @@ '#.$ = 2';
 select '[1,2,3]'::jsonb @@ '#($ = 2)';
 
+select '[3,4]'::jsonb @@ '#($ > 2 & $ < 5)';
+select '[3,4]'::jsonb @@ '# > 2 & # < 5';
+select '[1,6]'::jsonb @@ '#($ > 2 & $ < 5)';
+select '[1,6]'::jsonb @@ '# > 2 & # < 5';
+
 select '{"a": {"b": 3, "c": "hey"}, "x": [5,6]}'::jsonb @@ '%.b=3';
 select '{"a": {"b": 3, "c": "hey"}, "x": [5,6]}'::jsonb @@ 'a.%=3';
 select '{"a": {"b": 3, "c": "hey"}, "x": [5,6]}'::jsonb @@ '%.%="hey"';