byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);
        assertEquals(0x12345678, ServerMessageBlock.readInt4(buffer, 0));
    }

    @Test
    void testInt8ReadWrite() {
        byte[] buffer = new byte[8];
        long value = 0x123456789ABCDEF0L;
        ServerMessageBlock.writeInt8(value, buffer, 0);
        assertEquals(value, ServerMessageBlock.readInt8(buffer, 0));
    }