feat: add linewise Visual selection and paste

src/session.rs

@@ -1527,6 +1527,39 @@ end
         assert_eq!(session.editor().lines(), &["base"]);
     }
 
+    #[test]
+    fn configured_linewise_change_and_paste_preserve_rows_and_one_replacement_history() {
+        let fixture = Fixture::new();
+        fixture.file("buffer.txt", "  alpha\n界beta\ntail");
+        let mut session = fixture.open(
+            r#"
+Vamp.configure do |config|
+  config.clipboard_mode = "separate"
+  config.bind "V", nil
+  config.bind "s", config.core.select_linewise
+  config.bind "s", config.core.select_linewise, mode: config.modes.visual
+  config.bind "r", config.core.change, mode: config.modes.visual
+end
+"#,
+        );
+        for key in "llsjrnew".chars() {
+            session.handle(Input::Char(key));
+        }
+        session.handle(Input::Escape);
+        assert_eq!(session.editor().lines(), &["new", "tail"]);
+        session.handle(Input::Char('p'));
+        assert_eq!(
+            session.editor().lines(),
+            &["new", "  alpha", "界beta", "tail"]
+        );
+        session.handle(Input::Char('u'));
+        assert_eq!(session.editor().lines(), &["new", "tail"]);
+        session.handle(Input::Char('u'));
+        assert_eq!(session.editor().lines(), &["  alpha", "界beta", "tail"]);
+        session.handle(Input::Char('U'));
+        assert_eq!(session.editor().lines(), &["new", "tail"]);
+    }
+
     #[test]
     fn configured_selection_actions_edit_together_and_invoke_plugins_once() {
         let fixture = Fixture::new();