1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/regress/sql/polygon.sql b/src/test/regress/sql/polygon.sql
index f53b2cb6309..da644e34e30 100644
--- a/src/test/regress/sql/polygon.sql
+++ b/src/test/regress/sql/polygon.sql
@@ -140,3 +140,9 @@ WHERE seq.id IS NULL OR idx.id IS NULL;
 RESET enable_seqscan;
 RESET enable_indexscan;
 RESET enable_bitmapscan;
+
+-- test non-error-throwing API for some core types
+SELECT pg_input_is_valid('(2.0,0.8,0.1)', 'polygon');
+SELECT pg_input_error_message('(2.0,0.8,0.1)', 'polygon');
+SELECT pg_input_is_valid('(2.0,xyz)', 'polygon');
+SELECT pg_input_error_message('(2.0,xyz)', 'polygon');