// Map should remain empty
            assertTrue(cacheMap.isEmpty());
        }

        @Test
        @DisplayName("Should handle replace without map")
        void testReplaceCacheWithoutMap() {
            concreteImplementation.setKey("key");

            // Should not throw
            assertDoesNotThrow(() -> concreteImplementation.replaceCache());
        }

        @Test

Shinsuke Sugaya <******@****.***> 1755149504 +0900