assertNotSame(buffer1, buffer2, "Different calls should return different buffers initially");
    }

    @Test
    @DisplayName("releaseBuffer and getBuffer should implement buffer reuse")
    void testBufferReuse() {
        // Given
        byte[] originalBuffer = testCache.getBuffer();

        // When - release and get again
        testCache.releaseBuffer(originalBuffer);

        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, validBuffer.length, "Buffer should have correct size");
    }

    /**
     * Test buffer reuse from cache.
     */
    @Test
    public void testBufferReuse() {
        // Given - Get and release a buffer with specific content
        byte[] buffer1 = BufferCache.getBuffer();
        buffer1[0] = (byte) 0xAB;
        buffer1[1] = (byte) 0xCD;