automerge/automerge-frontend/tests/test_mutation.rs

use automerge_frontend::{Frontend, InvalidChangeRequest, LocalChange, Path, Value};

#[test]
fn test_delete_index_in_mutation() {
    let mut frontend = Frontend::new();
    let _cr = frontend
        .change::<_, _, InvalidChangeRequest>(None, |doc| {
            doc.add_change(LocalChange::set(
                Path::root().key("vals"),
                Value::Sequence(Vec::new()),
            ))?;
            Ok(())
        })
        .unwrap();

    frontend
        .change::<_, _, InvalidChangeRequest>(None, |doc| {
            doc.add_change(LocalChange::insert(
                Path::root().key("vals").index(0),
                "0".into(),
            ))?;
            Ok(())
        })
        .unwrap();

    frontend
        .change::<_, _, InvalidChangeRequest>(None, |doc| {
            doc.add_change(LocalChange::insert(
                Path::root().key("vals").index(1),
                "1".into(),
            ))?;
            Ok(())
        })
        .unwrap();

    frontend
        .change::<_, _, InvalidChangeRequest>(None, |doc| {
            doc.add_change(LocalChange::delete(Path::root().key("vals").index(1)))?;
            Ok(())
        })
        .unwrap();
}