feat: add Visual selection and clipboard editing

src/session.rs

@@ -404,6 +404,55 @@ end
         assert!(session.editor().should_quit());
     }
 
+    #[test]
+    fn typed_visual_actions_copy_cut_paste_and_cancel_without_splitting_history() {
+        let fixture = Fixture::new();
+        fixture.file("buffer.txt", "one two");
+        let mut session = fixture.open(
+            r#"
+Vamp.configure do |config|
+  config.bind "v", nil
+  config.bind "ctrl+v", config.core.select
+  config.bind "ctrl+c", config.core.copy, mode: config.modes.visual
+  config.bind "ctrl+x", config.core.cut, mode: config.modes.visual
+  config.bind "ctrl+g", config.core.normal, mode: config.modes.visual
+  config.bind "ctrl+f", config.core.word_end, mode: config.modes.visual
+  config.bind "ctrl+b", config.core.paste_before
+  config.bind "ctrl+p", config.core.paste_after
+end
+"#,
+        );
+        session.handle(Input::Char('v'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Normal);
+        session.handle(Input::Ctrl('v'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Visual);
+        session.handle(Input::Ctrl('f'));
+        assert_eq!(session.editor().selection().unwrap().end.column, 3);
+        session.handle(Input::Ctrl('c'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Normal);
+        assert!(!session.editor().dirty());
+        session.handle(Input::Ctrl('p'));
+        assert_eq!(session.editor().lines(), &["oonene two"]);
+        session.handle(Input::Char('u'));
+        assert_eq!(session.editor().lines(), &["one two"]);
+        session.handle(Input::Ctrl('v'));
+        session.handle(Input::Ctrl('f'));
+        session.handle(Input::Ctrl('x'));
+        assert_eq!(session.editor().lines(), &[" two"]);
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Normal);
+        session.handle(Input::Ctrl('b'));
+        assert_eq!(session.editor().lines(), &["one two"]);
+        session.handle(Input::Char('u'));
+        assert_eq!(session.editor().lines(), &[" two"]);
+        session.handle(Input::Char('u'));
+        assert_eq!(session.editor().lines(), &["one two"]);
+        assert!(!session.editor().dirty());
+        session.handle(Input::Ctrl('v'));
+        session.handle(Input::Ctrl('g'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Normal);
+        assert_eq!(session.editor().selection(), None);
+    }
+
     #[test]
     fn typed_word_motions_remap_keys_and_keep_insert_typing_in_one_undo_group() {
         let fixture = Fixture::new();