modules/calcite/src/test/sql/function/string/test_initcap.test

# name: test/sql/function/test/test_initcap.test
# description: Just simple test to check support of INITCAP function
# group: [string]


query T
SELECT initcap('just cHEck how iNItCap function is works! 22')
----
Just Check How Initcap Function Is Works! 22

query T
SELECT initcap('🦆just cHEck how iNItCap function is works! 22')
----
🦆Just Check How Initcap Function Is Works! 22

query T
SELECT initcap('🦆')
----
🦆

query T
SELECT initcap('')
----
(empty)

query T
SELECT initcap(null)
----
NULL