--
-- PATH
--
--DROP TABLE PATH_TBL;
CREATE TABLE PATH_TBL (f1 path);
INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)]');
INSERT INTO PATH_TBL VALUES (' ( ( 1 , 2 ) , ( 3 , 4 ) ) ');
INSERT INTO PATH_TBL VALUES ('[ (0,0),(3,0),(4,5),(1,6) ]');
INSERT INTO PATH_TBL VALUES ('((1,2) ,(3,4 ))');
INSERT INTO PATH_TBL VALUES ('1,2 ,3,4 ');
INSERT INTO PATH_TBL VALUES (' [1,2,3, 4] ');
INSERT INTO PATH_TBL VALUES ('((10,20))');	-- Only one point
INSERT INTO PATH_TBL VALUES ('[ 11,12,13,14 ]');
INSERT INTO PATH_TBL VALUES ('( 11,12,13,14) ');
-- bad values for parser testing
INSERT INTO PATH_TBL VALUES ('[]');
ERROR:  invalid input syntax for type path: "[]"
LINE 1: INSERT INTO PATH_TBL VALUES ('[]');
                                     ^
INSERT INTO PATH_TBL VALUES ('[(,2),(3,4)]');
ERROR:  invalid input syntax for type path: "[(,2),(3,4)]"
LINE 1: INSERT INTO PATH_TBL VALUES ('[(,2),(3,4)]');
                                     ^
INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)');
ERROR:  invalid input syntax for type path: "[(1,2),(3,4)"
LINE 1: INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)');
                                     ^
INSERT INTO PATH_TBL VALUES ('(1,2,3,4');
ERROR:  invalid input syntax for type path: "(1,2,3,4"
LINE 1: INSERT INTO PATH_TBL VALUES ('(1,2,3,4');
                                     ^
INSERT INTO PATH_TBL VALUES ('(1,2),(3,4)]');
ERROR:  invalid input syntax for type path: "(1,2),(3,4)]"
LINE 1: INSERT INTO PATH_TBL VALUES ('(1,2),(3,4)]');
                                     ^
SELECT f1 AS open_path FROM PATH_TBL WHERE isopen(f1);
         open_path         
---------------------------
 [(1,2),(3,4)]
 [(0,0),(3,0),(4,5),(1,6)]
 [(1,2),(3,4)]
 [(11,12),(13,14)]
(4 rows)

SELECT f1 AS closed_path FROM PATH_TBL WHERE isclosed(f1);
    closed_path    
-------------------
 ((1,2),(3,4))
 ((1,2),(3,4))
 ((1,2),(3,4))
 ((10,20))
 ((11,12),(13,14))
(5 rows)

SELECT pclose(f1) AS closed_path FROM PATH_TBL;
        closed_path        
---------------------------
 ((1,2),(3,4))
 ((1,2),(3,4))
 ((0,0),(3,0),(4,5),(1,6))
 ((1,2),(3,4))
 ((1,2),(3,4))
 ((1,2),(3,4))
 ((10,20))
 ((11,12),(13,14))
 ((11,12),(13,14))
(9 rows)

SELECT popen(f1) AS open_path FROM PATH_TBL;
         open_path         
---------------------------
 [(1,2),(3,4)]
 [(1,2),(3,4)]
 [(0,0),(3,0),(4,5),(1,6)]
 [(1,2),(3,4)]
 [(1,2),(3,4)]
 [(1,2),(3,4)]
 [(10,20)]
 [(11,12),(13,14)]
 [(11,12),(13,14)]
(9 rows)

-- test non-error-throwing API for some core types
SELECT pg_input_is_valid('[(1,2),(3)]', 'path');
 pg_input_is_valid 
-------------------
 f
(1 row)

SELECT * FROM pg_input_error_info('[(1,2),(3)]', 'path');
                      message                      | detail | hint | sql_error_code 
---------------------------------------------------+--------+------+----------------
 invalid input syntax for type path: "[(1,2),(3)]" |        |      | 22P02
(1 row)

SELECT pg_input_is_valid('[(1,2,6),(3,4,6)]', 'path');
 pg_input_is_valid 
-------------------
 f
(1 row)

SELECT * FROM pg_input_error_info('[(1,2,6),(3,4,6)]', 'path');
                         message                         | detail | hint | sql_error_code 
---------------------------------------------------------+--------+------+----------------
 invalid input syntax for type path: "[(1,2,6),(3,4,6)]" |        |      | 22P02
(1 row)