assertThrows(SMBProtocolDecodingException.class, () -> messageBlock.decode(buffer, bufferIndex));
    }

    @Test
    @DisplayName("Test encode method with valid destination")
    void testEncodeWithValidDestination() {
        // Given
        byte[] dst = new byte[256];
        int dstIndex = 0;
        int expectedLength = 50;

        when(messageBlock.encode(dst, dstIndex)).thenReturn(expectedLength);