@@ -3034,6 +3034,100 @@ mod tests {
});
}
+ #[test]
+ fn test_move_line_up_down() {
+ App::test((), |app| {
+ let settings = settings::channel(&app.font_cache()).unwrap().1;
+ let buffer = app.add_model(|_| Buffer::new(0, sample_text(10, 5)));
+ let (_, view) =
+ app.add_window(|ctx| BufferView::for_buffer(buffer, None, settings, ctx));
+ view.update(app, |view, ctx| {
+ view.fold_ranges(
+ vec![
+ Point::new(0, 2)..Point::new(1, 2),
+ Point::new(2, 3)..Point::new(4, 1),
+ Point::new(7, 0)..Point::new(8, 4),
+ ],
+ ctx,
+ );
+ view.select_display_ranges(
+ &[
+ DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
+ DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
+ DisplayPoint::new(3, 2)..DisplayPoint::new(4, 2),
+ DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2),
+ ],
+ ctx,
+ )
+ .unwrap();
+ });
+ assert_eq!(
+ view.read(app).text(app.as_ref()),
+ "aa…bbb\nccc…eeee\nfffff\nggggg\n…i\njjjjj"
+ );
+
+ view.update(app, |view, ctx| view.move_line_up(&(), ctx));
+ assert_eq!(
+ view.read(app).text(app.as_ref()),
+ "aa…bbb\nccc…eeee\nggggg\n…i\njjjjj\nfffff"
+ );
+ assert_eq!(
+ view.read(app).selection_ranges(app.as_ref()),
+ vec![
+ DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
+ DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
+ DisplayPoint::new(2, 2)..DisplayPoint::new(3, 2),
+ DisplayPoint::new(4, 0)..DisplayPoint::new(4, 2)
+ ]
+ );
+
+ view.update(app, |view, ctx| view.move_line_down(&(), ctx));
+ assert_eq!(
+ view.read(app).text(app.as_ref()),
+ "ccc…eeee\naa…bbb\nfffff\nggggg\n…i\njjjjj"
+ );
+ assert_eq!(
+ view.read(app).selection_ranges(app.as_ref()),
+ vec![
+ DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
+ DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
+ DisplayPoint::new(3, 2)..DisplayPoint::new(4, 2),
+ DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2)
+ ]
+ );
+
+ view.update(app, |view, ctx| view.move_line_down(&(), ctx));
+ assert_eq!(
+ view.read(app).text(app.as_ref()),
+ "ccc…eeee\nfffff\naa…bbb\nggggg\n…i\njjjjj"
+ );
+ assert_eq!(
+ view.read(app).selection_ranges(app.as_ref()),
+ vec![
+ DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
+ DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
+ DisplayPoint::new(3, 2)..DisplayPoint::new(4, 2),
+ DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2)
+ ]
+ );
+
+ view.update(app, |view, ctx| view.move_line_up(&(), ctx));
+ assert_eq!(
+ view.read(app).text(app.as_ref()),
+ "ccc…eeee\naa…bbb\nggggg\n…i\njjjjj\nfffff"
+ );
+ assert_eq!(
+ view.read(app).selection_ranges(app.as_ref()),
+ vec![
+ DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
+ DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
+ DisplayPoint::new(2, 2)..DisplayPoint::new(3, 2),
+ DisplayPoint::new(4, 0)..DisplayPoint::new(4, 2)
+ ]
+ );
+ });
+ }
+
#[test]
fn test_clipboard() {
App::test((), |app| {