test(GridSelection): checkbox status when there is pinned row and group by #7600

Author: ddincheva

projects/igniteui-angular/src/lib/grids/grid/grid-row-selection.spec.ts

@@ -1717,6 +1717,18 @@ describe('IgxGrid - Row Selection #grid', () => {
             expect(grid.getRowByIndex(3).selected).toBeTrue();
             expect(grid.getRowByIndex(0).selected).toBeFalse();
         });
+
+        it('Row Pinning: should update checkbox status correctly when there is pinned row and groupBy', () => {
+            grid.pinRow(2);
+            fix.detectChanges();
+
+            grid.groupBy({ fieldName: 'InStock', dir: SortingDirection.Desc, ignoreCase: false });
+
+            GridSelectionFunctions.headerCheckboxClick(grid);
+            fix.detectChanges();
+            GridSelectionFunctions.verifyHeaderRowCheckboxState(fix, true, false);
+            expect(grid.selectedRows.length).toBe(grid.data.length);
+        });
     });
 
     describe('Integration with CRUD and transactions', () => {