Function patch_empty_delta_is_noop

nodedb-vector/src/delta/compaction.rs:234–249

()

    #[test]
    fn patch_empty_delta_is_noop() {
        let mut main = HnswIndex::with_seed(3, small_params(), 3);
        for i in 0u32..3 {
            main.insert(vec![i as f32, 0.0, 0.0])
                .expect("insert failed");
        }
        let initial_len = main.len();

        let mut delta = DeltaIndex::new(3, 16);
        let mut patcher = LirePatcher::new(&mut main, &mut delta);
        let stats = patcher.patch(4, 20).expect("patch failed");

        assert_eq!(stats.patched, 0);
        assert_eq!(stats.tombstoned_marked, 0);
        assert_eq!(main.len(), initial_len);
    }
}