test quick dirty and under pressure

notebook/tests/notebook/multiselect_toggle.js

@@ -65,6 +65,44 @@ casper.notebook_test(function () {
         this.test.assert(cell_outputs_cleared.every(function(cell_output_state) {
             return cell_output_state == "";
         }), "ensure that all cells are cleared");
-
+        
+        /**
+        * Test the multiselection 2 moves down.
+        **/
+        var result_indices = this.evaluate( function() {
+          Jupyter.notebook.select(0);
+          Jupyter.notebook.extend_selection_by(2);
+          var indices = Jupyter.notebook.get_selected_cells_indices();
+          Jupyter.notebook.move_selection_down();
+          Jupyter.notebook.move_selection_down();
+          return Jupyter.notebook.get_selected_cells_indices();
+        });
+        var result = [2,3,4].entries();
+        this.test.assert(result_indices.every( function(i){ return i === result.next().value[1];}))
+        
+        /**
+        * Test the multiselection move up at beginning of a Notebook
+        **/
+        this.test.assert(this.evaluate( function() {
+          Jupyter.notebook.select(0);
+          Jupyter.notebook.extend_selection_by(2);
+          var indices_it = Jupyter.notebook.get_selected_cells_indices().entries();
+          Jupyter.notebook.move_selection_up();
+          var result = Jupyter.notebook.get_selected_cells_indices();
+          return result.every( function(i){return i === indices_it.next().value[1];})
+        }));
+        
+        /**
+        * Test the move down at the end of the notebook
+        **/
+        this.test.assert(this.evaluate( function() {
+          var last_index = Jupyter.notebook.get_cells().length
+          Jupyter.notebook.select(last_index - 3);
+          Jupyter.notebook.extend_selection_by(2);
+          var indices.it() = Jupyter.notebook.get_selected_cells_indices().entries();
+          Jupyter.notebook.move_selection_down();
+          var result = Jupyter.notebook.get_selected_cells_indices();
+          return result.every( function(i){return i === indices_it.next().value[1];})
+        }));
     });
 });