Function test_get_contents_partial

atomic-core/src/change/store.rs:819–843

()

    #[test]
    fn test_get_contents_partial() {
        let store = MemoryChangeStore::new();
        let content = b"0123456789";
        let change = create_test_change("Partial", content);
        let hash = change.hash().unwrap();
        store.insert(hash, change);

        let node_id = NodeId::new(1);
        let hash_fn = move |id: NodeId| {
            if id == node_id {
                Some(hash)
            } else {
                None
            }
        };

        // Read middle portion
        let node = GraphNode::new(node_id, ChangePosition::new(3), ChangePosition::new(7));
        let mut buf = vec![0u8; 4];

        let n = store.get_contents(hash_fn, node, &mut buf).unwrap();

        assert_eq!(n, 4);
        assert_eq!(&buf, b"3456");
    }

    #[test]
    fn test_get_contents_empty_vertex() {