BufferCache.releaseBuffer(buffer);
        }

        // Then - Should be able to get buffers again
        byte[] newBuffer = BufferCache.getBuffer();
        assertNotNull(newBuffer, "Should be able to get buffer after release");
        assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, newBuffer.length, "Buffer should have correct size");
    }

    /**
     * Test that invalid buffer sizes are rejected during release.

class Trans2QueryFSInformationTest {

    /** Small helper to create a byte buffer larger than the maximum expected
     *  wire format so that we can observe only the bytes written by a method.
     */
    private static byte[] newBuffer(int length) {
        // initialise with distinct pattern to detect unused trailing bytes
        byte[] buf = new byte[length];
        Arrays.fill(buf, (byte) 0xFF);
        return buf;
    }

    @Test