assertFalse(column.suppressDuplicates()); column.setSuppressDuplicates(true); assertTrue(column.suppressDuplicates()); designHandle.getCommandStack().undo(); assertFalse(column.suppressDuplicates()); designHandle.getCommandStack().redo(); assertTrue(column.suppressDuplicates());  ElementFactory factory = new ElementFactory(designHandle.getModule()); GridHandle grid = factory.newGridItem("mygrid",3,3); ColumnHandle gridcolumn = (ColumnHandle) grid.getColumns().get(0); assertFalse(gridcolumn.suppressDuplicates());
	public void testGetColumnProperty( ) throws Exception	{		openDesign( fileName );		// style property inherited from cell, row, column, table element.		// color defined on the cell.		TableHandle table = (TableHandle) designHandle				.findElement( "My Table" ); //$NON-NLS-1$		assertNotNull("should not be null", table);				ColumnHandle column = (ColumnHandle)table.getColumns().get(0);		column.setRepeatCount(2);		assertEquals(2,column.getRepeatCount());				DimensionHandle dh = column.getWidth();    assertEquals(100, dh.getMeasure(),0);    assertEquals("pt",dh.getUnits()); }