should be it

external/duckdb/test/sql/insert/test_insert_invalid.test

@@ -0,0 +1,46 @@
+# name: test/sql/insert/test_insert_invalid.test
+# description: Test invalid INSERT INTO statements
+# group: [insert]
+
+statement ok
+CREATE TABLE strings(i STRING)
+
+statement ok
+INSERT INTO strings VALUES ('<EFBFBD>(')
+
+statement ok
+SELECT * FROM strings WHERE i = '<EFBFBD>('
+
+# Test insert with too few or too many cols
+statement ok
+CREATE TABLE a(i integer, j integer)
+
+statement ok
+INSERT INTO a VALUES (1, 2)
+
+# scalar inserts
+statement error
+INSERT INTO a VALUES (1)
+----
+<REGEX>:.*Binder Error.*table a has 2 columns.*
+
+statement error
+INSERT INTO a VALUES (1,2,3)
+----
+<REGEX>:.*Binder Error.*table a has 2 columns.*
+
+statement error
+INSERT INTO a VALUES (1,2),(3)
+----
+<REGEX>:.*Parser Error.*must all be the same length.*
+
+statement error
+INSERT INTO a VALUES (1,2),(3,4,5)
+----
+<REGEX>:.*Parser Error.*must all be the same length.*
+
+# also with queries
+statement error
+INSERT INTO a SELECT 42
+----
+<REGEX>:.*Binder Error.*table a has 2 columns.*