@@ -2316,12 +2316,14 @@ mod tests {
#[test]
fn test_edit_events() {
App::test((), |app| {
+ let mut now = Instant::now();
let buffer_1_events = Rc::new(RefCell::new(Vec::new()));
let buffer_2_events = Rc::new(RefCell::new(Vec::new()));
let buffer1 = app.add_model(|_| Buffer::new(0, "abcdef"));
let buffer2 = app.add_model(|_| Buffer::new(1, "abcdef"));
- let ops = buffer1.update(app, |buffer, ctx| {
+ let mut buffer_ops = Vec::new();
+ buffer1.update(app, |buffer, ctx| {
let buffer_1_events = buffer_1_events.clone();
ctx.subscribe(&buffer1, move |_, event, _| {
buffer_1_events.borrow_mut().push(event.clone())
@@ -2331,10 +2333,33 @@ mod tests {
buffer_2_events.borrow_mut().push(event.clone())
});
- buffer.edit(Some(2..4), "XYZ", Some(ctx)).unwrap()
+ // An edit emits an edited event, followed by a dirtied event,
+ // since the buffer was previously in a clean state.
+ let ops = buffer.edit(Some(2..4), "XYZ", Some(ctx)).unwrap();
+ buffer_ops.extend_from_slice(&ops);
+
+ // An empty transaction does not emit any events.
+ buffer.start_transaction(None).unwrap();
+ buffer.end_transaction(None, Some(ctx)).unwrap();
+
+ // A transaction containing two edits emits one edited event.
+ now += Duration::from_secs(1);
+ buffer.start_transaction_at(None, now).unwrap();
+ let ops = buffer.edit(Some(5..5), "u", Some(ctx)).unwrap();
+ buffer_ops.extend_from_slice(&ops);
+ let ops = buffer.edit(Some(6..6), "w", Some(ctx)).unwrap();
+ buffer_ops.extend_from_slice(&ops);
+ buffer.end_transaction_at(None, now, Some(ctx)).unwrap();
+
+ // Undoing a transaction emits one edited event.
+ let ops = buffer.undo(Some(ctx));
+ buffer_ops.extend_from_slice(&ops);
});
+
+ // Incorporating a set of remote ops emits a single edited event,
+ // followed by a dirtied event.
buffer2.update(app, |buffer, ctx| {
- buffer.apply_ops(ops, Some(ctx)).unwrap();
+ buffer.apply_ops(buffer_ops, Some(ctx)).unwrap();
});
let buffer_1_events = buffer_1_events.borrow();
@@ -2344,8 +2369,16 @@ mod tests {
Event::Edited(vec![Edit {
old_range: 2..4,
new_range: 2..5
- },]),
- Event::Dirtied
+ }]),
+ Event::Dirtied,
+ Event::Edited(vec![Edit {
+ old_range: 5..5,
+ new_range: 5..7
+ }]),
+ Event::Edited(vec![Edit {
+ old_range: 5..7,
+ new_range: 5..5
+ }]),
]
);
@@ -2980,9 +3013,10 @@ mod tests {
buffer.start_transaction_at(Some(set_id), now)?;
buffer.update_selection_set(set_id, buffer.selections_from_ranges(vec![2..2])?, None)?;
buffer.edit(vec![0..1], "a", None)?;
+ buffer.edit(vec![1..1], "b", None)?;
buffer.end_transaction_at(Some(set_id), now, None)?;
- assert_eq!(buffer.text(), "a2cde6");
- assert_eq!(buffer.selection_ranges(set_id)?, vec![2..2]);
+ assert_eq!(buffer.text(), "ab2cde6");
+ assert_eq!(buffer.selection_ranges(set_id)?, vec![3..3]);
// Last transaction happened past the group interval, undo it on its
// own.
@@ -3003,8 +3037,8 @@ mod tests {
// Redo the last transaction on its own.
buffer.redo(None);
- assert_eq!(buffer.text(), "a2cde6");
- assert_eq!(buffer.selection_ranges(set_id)?, vec![2..2]);
+ assert_eq!(buffer.text(), "ab2cde6");
+ assert_eq!(buffer.selection_ranges(set_id)?, vec![3..3]);
Ok(())
}