diff --git a/testing/insert.test b/testing/insert.test
index 27751ecb8..22e21ddcf 100755
--- a/testing/insert.test
+++ b/testing/insert.test
@@ -197,6 +197,36 @@ do_execsql_test_on_specific_db {:memory:} unique_insert_with_pkey {
 } {1|1
 2|6}
 
+do_execsql_test_on_specific_db {:memory:} not_null_insert {
+    CREATE TABLE t2 (y INTEGER NOT NULL);
+    INSERT INTO t2 (y) VALUES (1);
+    INSERT INTO t2 (y) VALUES (6);
+    SELECT * FROM t2;
+} {1
+6}
+
+do_execsql_test_on_specific_db {:memory:} not_null_insert_result_rows {
+    CREATE TABLE t2 (y INTEGER NOT NULL);
+    INSERT INTO t2 (y) VALUES (1);
+    INSERT INTO t2 (y) VALUES (NULL);
+    SELECT * FROM t2;
+} {"Runtime error: NOTNULL constraint failed: t2.y (19)"
+1}
+
+do_execsql_test_on_specific_db {:memory:} not_null_primary_key {
+    CREATE TABLE t2 (y INT PRIMARY KEY NOT NULL);
+    INSERT INTO t2 (y) VALUES (1);
+    INSERT INTO t2 (y) VALUES (NULL);
+    SELECT * FROM t2;
+} {"Runtime error: NOTNULL constraint failed: t2.y (19)"
+1}
+
+do_execsql_test_in_memory_any_error not_null_insert_any_error {
+    CREATE TABLE t2 (y INTEGER NOT NULL);
+    INSERT INTO t2 (y) VALUES (NULL);
+}
+
+
 do_execsql_test_on_specific_db {:memory:} insert_from_select_1 {
     CREATE TABLE t(a);
     CREATE TABLE t2(b, c);