assertEquals("Access-Control-Allow-Origin", CorsHandler.ACCESS_CONTROL_ALLOW_ORIGIN);
        assertEquals("Access-Control-Allow-Headers", CorsHandler.ACCESS_CONTROL_ALLOW_HEADERS);
        assertEquals("Access-Control-Allow-Methods", CorsHandler.ACCESS_CONTROL_ALLOW_METHODS);
        assertEquals("Access-Control-Allow-Private-Network", CorsHandler.ACCESS_CONTROL_ALLOW_PRIVATE_NETWORK);

        // Execute
        CorsHandler result = corsHandlerFactory.get("");

        // Verify - should return wildcard handler
        assertEquals(wildcardHandler, result);
    }

    public void test_add_nullHandler() {
        // Setup
        String origin = "https://example.com";

        // Execute
        corsHandlerFactory.add(origin, null);
        CorsHandler result = corsHandlerFactory.get(origin);

        private String lastOrigin = null;
        private CorsHandler handler = null;

        @Override
        public CorsHandler get(String origin) {
            getCalled = true;
            lastOrigin = origin;
            return handler;
        }

        public void setHandler(CorsHandler handler) {
            this.handler = handler;
        }