should be it

external/duckdb/test/sql/subquery/lateral/lateral_values.test

@@ -0,0 +1,43 @@
+# name: test/sql/subquery/lateral/lateral_values.test
+# description: Test LATERAL with values clause
+# group: [lateral]
+
+statement ok
+SET default_null_order='nulls_first';
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE integers(i INTEGER);
+
+statement ok
+INSERT INTO integers VALUES (1), (2), (3), (NULL);
+
+query II
+SELECT * FROM integers, LATERAL (VALUES (integers.i + 1)) t(k) ORDER BY i;
+----
+NULL	NULL
+1	2
+2	3
+3	4
+
+query III
+SELECT * FROM integers a, integers b JOIN LATERAL (VALUES (a.i)) ss(x) ON (true) ORDER BY a.i, b.i;
+----
+NULL	NULL	NULL
+NULL	1	NULL
+NULL	2	NULL
+NULL	3	NULL
+1	NULL	1
+1	1	1
+1	2	1
+1	3	1
+2	NULL	2
+2	1	2
+2	2	2
+2	3	2
+3	NULL	3
+3	1	3
+3	2	3
+3	3	3