bugfix: double click on checkbox cell should invert the value

src/core.js

@@ -1574,8 +1574,8 @@ Handsontable.Core = function (rootElement, userSettings) {
    * @return {Object|undefined} ending td in pasted area (only if any cell was changed)
    */
   this.populateFromArray = function (row, col, input, endRow, endCol, source, method) {
-    if (typeof input !== 'object') {
-      throw new Error("populateFromArray parameter `input` must be an array"); //API changed in 0.9-beta2, let's check if you use it correctly
+    if (!(typeof input === 'object' && typeof input[0] === 'object')) {
+      throw new Error("populateFromArray parameter `input` must be an array of arrays"); //API changed in 0.9-beta2, let's check if you use it correctly
     }
     return grid.populateFromArray({row: row, col: col}, input, typeof endRow === 'number' ? {row: endRow, col: endCol} : null, source, method);
   };

src/editors/checkboxEditor.js

@@ -3,7 +3,11 @@
   //Blank editor, because all the work is done by renderer
   var CheckboxEditor = Handsontable.editors.BaseEditor.prototype.extend();
 
-  CheckboxEditor.prototype.beginEditing = function () {};
+  CheckboxEditor.prototype.beginEditing = function () {
+    this.saveValue([
+      [!this.originalValue]
+    ]);
+  };
   CheckboxEditor.prototype.finishEditing = function () {};
 
   CheckboxEditor.prototype.init = function () {};

test/jasmine/spec/renderers/checkboxRendererSpec.js

@@ -218,4 +218,26 @@ describe('CheckboxRenderer', function () {
 
   });
 
+  it("double click on checkbox cell should invert the value", function () {
+    handsontable({
+      data: [
+        [true],
+        [false],
+        [true]
+      ],
+      columns: [
+        { type: 'checkbox'}
+      ]
+    });
+
+    mouseDoubleClick($(getCell(0, 0)));
+    expect(getDataAtCell(0, 0)).toBe(false);
+
+    mouseDoubleClick($(getCell(0, 0)));
+    expect(getDataAtCell(0, 0)).toBe(true);
+
+    mouseDoubleClick($(getCell(0, 0)));
+    expect(getDataAtCell(0, 0)).toBe(false);
+  });
+
 });