diff -r 37dcaeebe5ca -r 9c176073e771 tests/test_kv_list.c
--- a/tests/test_kv_list.c	Thu Sep 11 20:10:12 2025 +0200
+++ b/tests/test_kv_list.c	Thu Sep 11 20:17:43 2025 +0200
@@ -157,6 +157,29 @@
     cxListFree(list);
 }
 
+CX_TEST(test_kv_list_insert_array_and_set_keys) {
+    CxList *list = cxKvListCreateSimple(sizeof(int));
+    CX_TEST_DO {
+        int arr[] = { 13, 21, 34, 55, 89 };
+        CX_TEST_ASSERT(5 == cxListAddArray(list, arr, 5));
+        CX_TEST_ASSERT(5 == cxListSize(list));
+        CX_TEST_ASSERT(0 == cxKvListSetKey(list, 0, "xyz"));
+        CX_TEST_ASSERT(0 == cxKvListSetKey(list, 1, "abc"));
+        CX_TEST_ASSERT(0 == cxKvListSetKey(list, 2, "def"));
+        CX_TEST_ASSERT(0 == cxKvListSetKey(list, 3, "ghi"));
+        CX_TEST_ASSERT(0 == cxKvListSetKey(list, 4, "jkl"));
+
+        CxMap *map = cxKvListAsMap(list);
+        CX_TEST_ASSERT(5 == cxMapSize(map));
+        CX_TEST_ASSERT(*(int*)cxMapGet(map, "xyz") == 13);
+        CX_TEST_ASSERT(*(int*)cxMapGet(map, "abc") == 21);
+        CX_TEST_ASSERT(*(int*)cxMapGet(map, "def") == 34);
+        CX_TEST_ASSERT(*(int*)cxMapGet(map, "ghi") == 55);
+        CX_TEST_ASSERT(*(int*)cxMapGet(map, "jkl") == 89);
+    }
+    cxListFree(list);
+}
+
 
 static int kv_list_test_destr_val;
 static void kv_list_test_destr(void *data) {
@@ -312,6 +335,7 @@
     cx_test_register(suite, test_kv_list_map_put_ptr);
     cx_test_register(suite, test_kv_list_map_remove);
     cx_test_register(suite, test_kv_list_set_key);
+    cx_test_register(suite, test_kv_list_insert_array_and_set_keys);
     cx_test_register(suite, test_kv_list_list_remove_destr_in_list);
     cx_test_register(suite, test_kv_list_list_remove_destr_in_map);
     cx_test_register(suite, test_kv_list_map_remove_destr_in_list);