void () { myManager.insertGridCells(myContainer, 0, false, false, true); final ConstantSize colSize = new ConstantSize(17, ConstantSize.MM); myLayout.setColumnSpec(1, new ColumnSpec(colSize)); RadComponent c = newComponent(0, 0, 1, 1); myContainer.addComponent(c); myManager.processCellsMoved(myContainer, false, new int[] { 0 }, 3); assertEquals(colSize, myLayout.getColumnSpec(3).getSize()); assertEquals(3, myLayout.getConstraints(c.getDelegee()).gridX); }