Fix single column vim selections

crates/editor/src/editor_tests.rs

@@ -851,7 +851,7 @@ fn test_move_cursor_multibyte(cx: &mut TestAppContext) {
 
     let view = cx
         .add_window(|cx| {
-            let buffer = MultiBuffer::build_simple("ⓐⓑⓒⓓⓔ\nabcde\nαβγδε\n", cx);
+            let buffer = MultiBuffer::build_simple("ⓐⓑⓒⓓⓔ\nabcde\nαβγδε", cx);
             build_editor(buffer.clone(), cx)
         })
         .root(cx);
@@ -869,7 +869,7 @@ fn test_move_cursor_multibyte(cx: &mut TestAppContext) {
             true,
             cx,
         );
-        assert_eq!(view.display_text(cx), "ⓐⓑ⋯ⓔ\nab⋯e\nαβ⋯ε\n");
+        assert_eq!(view.display_text(cx), "ⓐⓑ⋯ⓔ\nab⋯e\nαβ⋯ε");
 
         view.move_right(&MoveRight, cx);
         assert_eq!(
@@ -934,6 +934,17 @@ fn test_move_cursor_multibyte(cx: &mut TestAppContext) {
             view.selections.display_ranges(cx),
             &[empty_range(1, "ab⋯e".len())]
         );
+        view.move_down(&MoveDown, cx);
+        assert_eq!(
+            view.selections.display_ranges(cx),
+            &[empty_range(2, "αβ⋯ε".len())]
+        );
+        view.move_up(&MoveUp, cx);
+        assert_eq!(
+            view.selections.display_ranges(cx),
+            &[empty_range(1, "ab⋯e".len())]
+        );
+
         view.move_up(&MoveUp, cx);
         assert_eq!(
             view.selections.display_ranges(cx),

crates/editor/src/movement.rs

@@ -147,7 +147,9 @@ pub fn down_by_rows(
         goal_x = map.x_for_point(point, text_layout_details)
     }
 
+    dbg!(point);
     let mut clipped_point = map.clip_point(point, Bias::Right);
+    dbg!(clipped_point);
     if clipped_point.row() > point.row() {
         clipped_point = map.clip_point(point, Bias::Left);
     }