async fn save_document(doc: &ResizableDocument, db: &Database) {

    db.collection::<ResizableDocument>()

        .push(doc)

        .await

        .unwrap();

}

pub(super) fn save_documents(group: &mut BenchmarkGroup<WallTime>, doc: &ResizableDocument) {

    group.bench_function(

        BenchmarkId::new("bonsaidb-local", doc.data.len().bytes()),

        |b| {

            let runtime = tokio::runtime::Runtime::new().unwrap();

            let path = TestDirectory::new("benches-basics.bonsaidb");

            let db = runtime

                .block_on(Database::open::<ResizableDocument>(

                    StorageConfiguration::new(&path),

                ))

                .unwrap();

            b.to_async(&runtime).iter(|| save_document(doc, &db));

        },

    );

    // TODO bench read performance

    // TODO bench read + write performance (with different numbers of readers/writers)

    // TODO (once supported) bench batch saving

}