// Reserved (2 bytes, LE) == 0
        assertEquals(0, SMBUtil.readInt2(buf, offset + 2));
    }

    @Test
    @DisplayName("writeBytesWireFormat throws when buffer too small")
    void writeBytesWireFormat_throwsIfInsufficientSpace() {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] tiny = new byte[3]; // less than 4 bytes available

        // Act/Assert