These are not yet supported, but test anyway to ensure iteration
does not work and doesn't result in any unexpected behavior.
---
 unit/test-json.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/unit/test-json.c b/unit/test-json.c
index 52e3f675..5ffd36ec 100644
--- a/unit/test-json.c
+++ b/unit/test-json.c
@@ -424,6 +424,27 @@ static void test_json_arrays(const void *data)
 	json_contents_free(c);
 }
 
+static void test_json_nested_arrays(const void *data)
+{
+	char json[] = "{\"array\":[[1, 2], [3, 4]]}";
+	int count = 0;
+	struct json_iter iter;
+	struct json_iter array;
+	struct json_contents *c = json_contents_new(json, strlen(json));
+
+	json_iter_init(&iter, c);
+	assert(json_iter_parse(&iter,
+			JSON_MANDATORY("array", JSON_ARRAY, &array),
+			JSON_UNDEFINED));
+
+	while (json_iter_next(&array))
+		count++;
+
+	assert(count == 0);
+
+	json_contents_free(c);
+}
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -436,6 +457,7 @@ int main(int argc, char *argv[])
 	l_test_add("json larger object", test_json_larger_object, NULL);
 	l_test_add("json test primitives", test_json_primitives, NULL);
 	l_test_add("json test arrays", test_json_arrays, NULL);
+	l_test_add("json test nested arrays", test_json_nested_arrays, NULL);
 
 	return l_test_run();
 }
-- 
2.31.1