fix(compatibility): fix crash and don't allow cursor beyond row width (#1349)

* fix(compatibility): fix crash and don't allow cursor beyond row width

* style(fmt): rustfmt

1 files changed, 17 insertions, 0 deletions

diff --git a/zellij-server/src/panes/unit/grid_tests.rs b/zellij-server/src/panes/unit/grid_tests.rs
index b0e00f9a..eac87284 100644
--- a/zellij-server/src/panes/unit/grid_tests.rs
+++ b/zellij-server/src/panes/unit/grid_tests.rs
@@ -1792,3 +1792,20 @@ fn terminal_pixel_size_reports_in_unsupported_terminals() {
         expected,
     );
 }
+
+#[test]
+pub fn ansi_csi_at_sign() {
+    let mut vte_parser = vte::Parser::new();
+    let mut grid = Grid::new(
+        51,
+        112,
+        Palette::default(),
+        Rc::new(RefCell::new(LinkHandler::new())),
+        Rc::new(RefCell::new(None)),
+    );
+    let content = "foo\u{1b}[2D\u{1b}[2@".as_bytes();
+    for byte in content {
+        vte_parser.advance(&mut grid, *byte);
+    }
+    assert_snapshot!(format!("{:?}", grid));
+}