@Mock
    private BufferCache mockBufferCache;

    private TestBufferCacheImpl testCache;

    @BeforeEach
    void setUp() {
        testCache = new TestBufferCacheImpl(5, 1024); // 5 buffers of 1KB each
    }

    @Test
    @DisplayName("BufferCache interface should define correct method signatures")
    void testInterfaceContract() {
        // Given
        BufferCache cache = mockBufferCache;

			if err != nil {
				b.Fatal(err)
			}
			if _, err = io.Copy(io.Discard, ciphertext); err != nil {
				b.Fatal(err)
			}
			plaintext.Reset(data)
		}
	}
	b.Run("1KB", func(b *testing.B) { benchmarkEncrypt(1*1024, b) })
	b.Run("512KB", func(b *testing.B) { benchmarkEncrypt(512*1024, b) })
	b.Run("1MB", func(b *testing.B) { benchmarkEncrypt(1024*1024, b) })