}

    @Test
    @DisplayName("resolveSids(CIFSContext,server,sids,offset,length) resolves missing, caches, and reuses cache")
    void resolveSids_withOffsetAndCache_behavesCorrectly() throws Exception {
        CIFSContext ctx = mock(CIFSContext.class);
        SIDCacheImpl cache = Mockito.spy(new SIDCacheImpl(ctx));

        // Prepare SIDs, two need resolution, one already resolved