# name: test/sql/function/string/test_unicode.test
# description: UNICODE test
# group: [string]

statement ok
PRAGMA enable_verification

# test on scalars
query IIIIII
select UNICODE(NULL), UNICODE(''), UNICODE('$'), UNICODE('¢'), UNICODE('€'), UNICODE('𐍈')
----
NULL	-1	36	162	8364	66376

# test on tables
statement ok
CREATE TABLE strings(a STRING, b STRING)

statement ok
INSERT INTO strings VALUES ('', 'Zero'), ('$', NULL), ('¢','Two'), ('€', NULL), ('𐍈','Four')

query I
select UNICODE(a) FROM strings
----
-1
36
162
8364
66376

query I
select UNICODE(b) FROM strings
----
90
NULL
84
NULL
70

query I
select UNICODE(a) FROM strings WHERE b IS NOT NULL
----
-1
162
66376

# test incorrect usage
statement error
select UNICODE()
----

statement error
select UNICODE(1, 2)
----