| /******************************************************************************* |
| * Copyright (c) 2002, 2011 Innoopract Informationssysteme GmbH and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Innoopract Informationssysteme GmbH - initial API and implementation |
| * EclipseSource - ongoing development |
| ******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.rap.rwt.testfixture.Fixture; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.internal.widgets.ItemHolder; |
| |
| |
| public class ItemHolder_Test extends TestCase { |
| |
| |
| private static class TestItem extends Item { |
| public TestItem( Widget parent ) { |
| super( parent, 0 ); |
| } |
| } |
| |
| public void testItemHolder() { |
| Display display = new Display(); |
| Composite shell = new Shell( display , SWT.NONE ); |
| Tree tree = new Tree( shell, SWT.NONE ); |
| TreeItem item = new TreeItem( tree, SWT.NONE ); |
| ItemHolder<TreeItem> itemHolder = new ItemHolder<TreeItem>( TreeItem.class ); |
| assertEquals( 0, itemHolder.size() ); |
| assertEquals( 0, itemHolder.getItems().length ); |
| itemHolder.add( item ); |
| assertEquals( 1, itemHolder.size() ); |
| // Do not inline to ensure type safety |
| TreeItem[] items = itemHolder.getItems(); |
| assertSame( item, items[ 0 ] ); |
| assertSame( item, itemHolder.getItem( 0 ) ); |
| itemHolder.remove( item ); |
| assertEquals( 0, itemHolder.size() ); |
| assertEquals( 0, itemHolder.getItems().length ); |
| itemHolder.add( item ); |
| try { |
| itemHolder.add( item ); |
| fail( "The same item must not be added twice." ); |
| } catch( IllegalArgumentException iae ) { |
| // expected |
| } |
| try { |
| itemHolder.add( null ); |
| fail( "Parameter item must not be null." ); |
| } catch( IllegalArgumentException iae ) { |
| // expected |
| } |
| itemHolder.remove( item ); |
| try { |
| itemHolder.remove( item ); |
| fail( "Only items that are contained in the item list must be removed." ); |
| } catch( IllegalArgumentException iae ) { |
| // expected |
| } |
| try { |
| itemHolder.remove( null ); |
| fail( "Parameter item must not be null" ); |
| } catch( IllegalArgumentException npe ) { |
| // expected |
| } |
| } |
| |
| public void testItemHolderAccessors() { |
| Display display = new Display(); |
| Composite shell = new Shell( display , SWT.NONE ); |
| Tree tree = new Tree( shell, SWT.NONE ); |
| try { |
| ItemHolder.getItemHolder( shell ).getItems(); |
| fail( "Shell is not an item holder widget" ); |
| } catch( IllegalArgumentException iae ) { |
| // expected |
| } |
| Item[] items = ItemHolder.getItemHolder( tree ).getItems(); |
| assertEquals( 0, items.length ); |
| TreeItem item = new TreeItem( tree, SWT.NONE ); |
| items = ItemHolder.getItemHolder( tree ).getItems(); |
| assertEquals( 1, items.length ); |
| assertEquals( item, items[ 0 ] ); |
| assertEquals( 1, tree.getItemCount() ); |
| assertEquals( 0, tree.indexOf( item ) ); |
| item.dispose(); |
| items = ItemHolder.getItemHolder( tree ).getItems(); |
| assertEquals( 0, items.length ); |
| assertEquals( 0, tree.getItemCount() ); |
| Tree anotherTree = new Tree( shell, SWT.NONE ); |
| TreeItem anotherItem = new TreeItem( anotherTree, SWT.NONE ); |
| assertEquals( -1, tree.indexOf( anotherItem ) ); |
| try { |
| tree.getItem( 0 ); |
| fail( "Index out of bounds expected" ); |
| } catch( IllegalArgumentException expected ) { |
| } |
| } |
| |
| public void testSerialize() throws Exception { |
| ItemHolder<TestItem> itemHolder = new ItemHolder<TestItem>( TestItem.class ); |
| itemHolder.add( new TestItem( new Shell( new Display() ) ) ); |
| |
| ItemHolder<TestItem> deserializedItemHolder = Fixture.serializeAndDeserialize( itemHolder ); |
| |
| assertEquals( 1, deserializedItemHolder.getItems().length ); |
| } |
| |
| protected void setUp() throws Exception { |
| Fixture.setUp(); |
| } |
| |
| protected void tearDown() throws Exception { |
| Fixture.tearDown(); |
| } |
| } |