feat: add literal buffer search and match navigation

src/session.rs

@@ -404,6 +404,49 @@ end
         assert!(session.editor().should_quit());
     }
 
+    #[test]
+    fn typed_search_bindings_drive_navigation_and_the_search_prompt_only() {
+        let fixture = Fixture::new();
+        fixture.file("buffer.txt", "cat\ncat\ncat");
+        let mut session = fixture.open(
+            r#"
+Vamp.configure do |config|
+  config.bind "ctrl+f", config.core.search
+  config.bind "ctrl+n", config.core.search_next
+  config.bind "ctrl+p", config.core.search_previous
+  config.bind "ctrl+x", config.core.submit, mode: config.modes.search
+  config.bind "ctrl+c", config.core.normal, mode: config.modes.search
+  config.bind "ctrl+h", config.core.backspace, mode: config.modes.search
+  config.bind "enter", nil, mode: config.modes.search
+  config.bind "/", nil
+end
+"#,
+        );
+        session.handle(Input::Char('/'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Normal);
+        session.handle(Input::Ctrl('f'));
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Search);
+        for ch in "cat界".chars() {
+            session.handle(Input::Char(ch));
+        }
+        session.handle(Input::Backspace);
+        session.handle(Input::Enter);
+        assert_eq!(session.editor().mode(), crate::editor::Mode::Search);
+        session.handle(Input::Ctrl('x'));
+        assert_eq!(session.editor().cursor().row, 1);
+        session.handle(Input::Ctrl('n'));
+        assert_eq!(session.editor().cursor().row, 2);
+        session.handle(Input::Ctrl('p'));
+        assert_eq!(session.editor().cursor().row, 1);
+        session.handle(Input::Ctrl('f'));
+        session.handle(Input::Char('q'));
+        session.handle(Input::Ctrl('c'));
+        session.handle(Input::Ctrl('n'));
+        assert_eq!(session.editor().cursor().row, 2);
+        assert!(!session.editor().dirty());
+        assert!(!session.editor().should_quit());
+    }
+
     #[test]
     fn typed_config_errors_discard_partial_bindings_and_leave_default_editing_available() {
         let fixture = Fixture::new();