assertThrows(CIFSException.class, () -> sidResolver.resolveSids(mockContext, testServerName, testSids, -1, 2));
    }

    @Test
    void testResolveSidsWithOffsetAndLength_InvalidLength() throws CIFSException {
        doThrow(new CIFSException("Invalid length")).when(sidResolver)
                .resolveSids(any(CIFSContext.class), anyString(), any(SID[].class), anyInt(), eq(-1));