tests/org.eclipse.rap.rwt.test/src/org/eclipse/swt/internal/widgets/treekit/TreeOperationHandler_Test.java - rap/org.eclipse.rap - Git at Google

 /*******************************************************************************
  * Copyright (c) 2013 EclipseSource 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:
  *    EclipseSource - initial API and implementation
  ******************************************************************************/
 package org.eclipse.swt.internal.widgets.treekit;

 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_COLLAPSE;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_DEFAULT_SELECTION;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_EXPAND;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_FOCUS_IN;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_FOCUS_OUT;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_HELP;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_KEY_DOWN;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MENU_DETECT;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_DOUBLE_CLICK;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_DOWN;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_UP;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SELECTION;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SET_DATA;
 import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_TRAVERSE;
 import static org.eclipse.rap.rwt.lifecycle.WidgetUtil.getId;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;

 import org.eclipse.rap.json.JsonArray;
 import org.eclipse.rap.json.JsonObject;
 import org.eclipse.rap.rwt.RWT;
 import org.eclipse.rap.rwt.testfixture.Fixture;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.internal.widgets.CellToolTipUtil;
 import org.eclipse.swt.internal.widgets.ICellToolTipAdapter;
 import org.eclipse.swt.internal.widgets.ICellToolTipProvider;
 import org.eclipse.swt.internal.widgets.ITreeAdapter;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Item;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Tree;
 import org.eclipse.swt.widgets.TreeItem;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;


 public class TreeOperationHandler_Test {

   private Display display;
   private Shell shell;
   private Tree tree;
   private Tree mockedTree;
   private TreeOperationHandler handler;

   @Before
   public void setUp() {
     Fixture.setUp();
     display = new Display();
     shell = new Shell( display, SWT.NONE );
     tree = new Tree( shell, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL );
     tree.setBounds( 0, 0, 100, 100 );
     mockedTree = mock( Tree.class );
     handler = new TreeOperationHandler( mockedTree );
   }

   @After
   public void tearDown() {
     Fixture.tearDown();
   }

   @Test
   public void testHandleSetSelection_single() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 3 );
     TreeItem item = tree.getItem( 1 );

     JsonArray selection = new JsonArray().add( getId( item ) );
     handler.handleSet( new JsonObject().add( "selection", selection ) );

     assertArrayEquals( new TreeItem[] { item }, tree.getSelection() );
   }

   @Test
   public void testHandleSetSelection_multi() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 3 );
     TreeItem item1 = tree.getItem( 0 );
     TreeItem item2 = tree.getItem( 2 );

     JsonArray selection = new JsonArray().add( getId( item1 ) ).add( getId( item2 ) );
     handler.handleSet( new JsonObject().add( "selection", selection ) );

     assertArrayEquals( new TreeItem[] { item1, item2 }, tree.getSelection() );
   }

   @Test
   public void testHandleSetScrollLeft() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 1 );
     TreeItem item = tree.getItem( 0 );
     item.setText( "very long text that makes horizontal bar visible" );

     handler.handleSet( new JsonObject().add( "scrollLeft", 1 ) );

     assertEquals( 1, getTreeAdapter( tree ).getScrollLeft() );
   }

   @Test
   public void testHandleSetScrollLeft_setsHorizontalScrollBarSelection() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 1 );
     TreeItem item = tree.getItem( 0 );
     item.setText( "very long text that makes horizontal bar visible" );

     handler.handleSet( new JsonObject().add( "scrollLeft", 1 ) );

     assertEquals( 1, tree.getHorizontalBar().getSelection() );
   }

   @Test
   public void testHandleSetTopItemIndex() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 10 );

     handler.handleSet( new JsonObject().add( "topItemIndex", 1 ) );

     assertEquals( tree.getItem( 1 ), tree.getTopItem() );
   }

   @Test
   public void testHandleSetTopItemIndex_setsVerticalScrollBarSelection() {
     handler = new TreeOperationHandler( tree );
     createTreeItems( tree, 10 );

     handler.handleSet( new JsonObject().add( "topItemIndex", 1 ) );

     assertEquals( tree.getItemHeight(), tree.getVerticalBar().getSelection() );
   }

   @Test
   public void testHandleNotifySelection() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "item", getId( item ) );

     handler.handleNotify( EVENT_SELECTION, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.ALT | SWT.SHIFT, event.stateMask );
     assertEquals( item, event.item );
   }

   @Test
   public void testHandleNotifySelection_withDetail_hyperlink() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject()
     .add( "item", getId( item ) )
     .add( "detail", "hyperlink" );

     handler.handleNotify( EVENT_SELECTION, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( item, event.item );
     assertEquals( RWT.HYPERLINK, event.detail );
   }

   @Test
   public void testHandleNotifySelection_withDetail_check() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject()
     .add( "item", getId( item ) )
     .add( "detail", "check" );

     handler.handleNotify( EVENT_SELECTION, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( item, event.item );
     assertEquals( SWT.CHECK, event.detail );
   }

   @Test
   public void testHandleNotifyDefaultSelection() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "item", getId( item ) );

     handler.handleNotify( EVENT_DEFAULT_SELECTION, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.DefaultSelection ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.ALT | SWT.SHIFT, event.stateMask );
     assertEquals( item, event.item );
   }

   @Test
   public void testHandleNotifyFocusIn() {
     handler.handleNotify( EVENT_FOCUS_IN, new JsonObject() );

     verify( mockedTree ).notifyListeners( eq( SWT.FocusIn ), any( Event.class ) );
   }

   @Test
   public void testHandleNotifyFocusOut() {
     handler.handleNotify( EVENT_FOCUS_OUT, new JsonObject() );

     verify( mockedTree ).notifyListeners( eq( SWT.FocusOut ), any( Event.class ) );
   }

   @Test
   public void testHandleNotifyMouseDown() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "button", 1 )
       .add( "x", 2 )
       .add( "y", 3 )
       .add( "time", 4 );

     handler.handleNotify( EVENT_MOUSE_DOWN, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.MouseDown ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.ALT | SWT.SHIFT | SWT.BUTTON1, event.stateMask );
     assertEquals( 1, event.button );
     assertEquals( 2, event.x );
     assertEquals( 3, event.y );
     assertEquals( 4, event.time );
     assertEquals( 1, event.count );
   }

   @Test
   public void testHandleNotifyMouseDown_coordinatesOutOfClientArea() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "button", 1 )
       .add( "x", 110 )
       .add( "y", 3 )
       .add( "time", 4 );

     handler.handleNotify( EVENT_MOUSE_DOWN, properties );

     verify( spyTree, times( 0 ) ).notifyListeners( eq( SWT.MouseDown ), any( Event.class ) );
   }

   @Test
   public void testHandleNotifyMouseDoubleClick() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "button", 1 )
       .add( "x", 2 )
       .add( "y", 3 )
       .add( "time", 4 );

     handler.handleNotify( EVENT_MOUSE_DOUBLE_CLICK, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.MouseDoubleClick ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.ALT | SWT.SHIFT | SWT.BUTTON1, event.stateMask );
     assertEquals( 1, event.button );
     assertEquals( 2, event.x );
     assertEquals( 3, event.y );
     assertEquals( 4, event.time );
     assertEquals( 2, event.count );
   }

   @Test
   public void testHandleNotifyMouseUp() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     JsonObject properties = new JsonObject()
       .add( "altKey", true )
       .add( "shiftKey", true )
       .add( "button", 1 )
       .add( "x", 2 )
       .add( "y", 3 )
       .add( "time", 4 );

     handler.handleNotify( EVENT_MOUSE_UP, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.MouseUp ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.ALT | SWT.SHIFT | SWT.BUTTON1, event.stateMask );
     assertEquals( 1, event.button );
     assertEquals( 2, event.x );
     assertEquals( 3, event.y );
     assertEquals( 4, event.time );
     assertEquals( 1, event.count );
   }

   @Test
   public void testHandleNotifyTraverse() {
     JsonObject properties = new JsonObject()
       .add( "shiftKey", true )
       .add( "keyCode", 9 )
       .add( "charCode", 0 );

     handler.handleNotify( EVENT_TRAVERSE, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( mockedTree ).notifyListeners( eq( SWT.Traverse ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.SHIFT, event.stateMask );
     assertEquals( 9, event.keyCode );
     assertEquals( 9, event.character );
   }

   @Test
   public void testHandleNotifyTraverse_wrongModifier() {
     JsonObject properties = new JsonObject()
       .add( "ctrlKey", true )
       .add( "keyCode", 9 )
       .add( "charCode", 0 );

     handler.handleNotify( EVENT_TRAVERSE, properties );

     verify( mockedTree, times( 0 ) ).notifyListeners( eq( SWT.Traverse ), any( Event.class ) );
   }

   @Test
   public void testHandleNotifyKeyDown() {
     JsonObject properties = new JsonObject()
       .add( "shiftKey", true )
       .add( "keyCode", 65 )
       .add( "charCode", 97 );

     handler.handleNotify( EVENT_KEY_DOWN, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( mockedTree ).notifyListeners( eq( SWT.KeyDown ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.SHIFT, event.stateMask );
     assertEquals( 97, event.keyCode );
     assertEquals( 'a', event.character );
   }

   @Test
   public void testHandleNotifyKeyUp() {
     JsonObject properties = new JsonObject()
       .add( "shiftKey", true )
       .add( "keyCode", 65 )
       .add( "charCode", 97 );

     handler.handleNotify( EVENT_KEY_DOWN, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( mockedTree ).notifyListeners( eq( SWT.KeyUp ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( SWT.SHIFT, event.stateMask );
     assertEquals( 97, event.keyCode );
     assertEquals( 'a', event.character );
   }

   @Test
   public void testHandleNotifyMenuDetect() {
     JsonObject properties = new JsonObject().add( "x", 1 ).add( "y", 2 );

     handler.handleNotify( EVENT_MENU_DETECT, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( mockedTree ).notifyListeners( eq( SWT.MenuDetect ), captor.capture() );
     Event event = captor.getValue();
     assertEquals( 1, event.x );
     assertEquals( 2, event.y );
   }

   @Test
   public void testHandleNotifyHelp() {
     handler.handleNotify( EVENT_HELP, new JsonObject() );

     verify( mockedTree ).notifyListeners( eq( SWT.Help ), any( Event.class ) );
   }

   @Test
   public void testHandleNotifyExpand() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject().add( "item", getId( item ) );

     handler.handleNotify( EVENT_EXPAND, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.Expand ), captor.capture() );
     assertEquals( item, captor.getValue().item );
   }

   @Test
   public void testHandleNotifyCollapse() {
     Tree spyTree = spy( tree );
     handler = new TreeOperationHandler( spyTree );
     TreeItem item = new TreeItem( spyTree, SWT.NONE );
     JsonObject properties = new JsonObject().add( "item", getId( item ) );

     handler.handleNotify( EVENT_COLLAPSE, properties );

     ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
     verify( spyTree ).notifyListeners( eq( SWT.Collapse ), captor.capture() );
     assertEquals( item, captor.getValue().item );
   }

   @Test
   public void testHandleNotifySetData() {
     handler.handleNotify( EVENT_SET_DATA, new JsonObject() );

     verify( mockedTree, never() ).notifyListeners( eq( SWT.SetData ), any( Event.class ) );
   }

   @Test
   public void testHandleCallRenderToolTipText() {
     handler = new TreeOperationHandler( tree );
     TreeItem item = new TreeItem( tree, SWT.NONE );
     final ICellToolTipAdapter adapter = CellToolTipUtil.getAdapter( tree );
     adapter.setCellToolTipProvider( new ICellToolTipProvider() {
       public void getToolTipText( Item item, int columnIndex ) {
         StringBuilder buffer = new StringBuilder();
         buffer.append( getId( item ) );
         buffer.append( "," );
         buffer.append( columnIndex );
         adapter.setCellToolTipText( buffer.toString() );
       }
     } );
     JsonObject properties = new JsonObject().add( "item", getId( item ) ).add( "column", 0 );

     handler.handleCall( "renderToolTipText", properties );

     assertEquals( getId( item ) + ",0", CellToolTipUtil.getAdapter( tree ).getCellToolTipText() );
   }

   private static void createTreeItems( Tree tree, int number ) {
     for( int i = 0; i < number; i++ ) {
       TreeItem item = new TreeItem( tree, SWT.NONE );
       item.setText( "item " + i );
     }
   }

   private static ITreeAdapter getTreeAdapter( Tree tree ) {
     return tree.getAdapter( ITreeAdapter.class );
   }

 }
	/*******************************************************************************
	* Copyright (c) 2013 EclipseSource 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:
	* EclipseSource - initial API and implementation
	******************************************************************************/
	package org.eclipse.swt.internal.widgets.treekit;

	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_COLLAPSE;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_DEFAULT_SELECTION;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_EXPAND;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_FOCUS_IN;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_FOCUS_OUT;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_HELP;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_KEY_DOWN;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MENU_DETECT;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_DOUBLE_CLICK;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_DOWN;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_MOUSE_UP;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SELECTION;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_SET_DATA;
	import static org.eclipse.rap.rwt.internal.protocol.ClientMessageConst.EVENT_TRAVERSE;
	import static org.eclipse.rap.rwt.lifecycle.WidgetUtil.getId;
	import static org.junit.Assert.assertArrayEquals;
	import static org.junit.Assert.assertEquals;
	import static org.mockito.Matchers.any;
	import static org.mockito.Matchers.eq;
	import static org.mockito.Mockito.mock;
	import static org.mockito.Mockito.never;
	import static org.mockito.Mockito.spy;
	import static org.mockito.Mockito.times;
	import static org.mockito.Mockito.verify;

	import org.eclipse.rap.json.JsonArray;
	import org.eclipse.rap.json.JsonObject;
	import org.eclipse.rap.rwt.RWT;
	import org.eclipse.rap.rwt.testfixture.Fixture;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.internal.widgets.CellToolTipUtil;
	import org.eclipse.swt.internal.widgets.ICellToolTipAdapter;
	import org.eclipse.swt.internal.widgets.ICellToolTipProvider;
	import org.eclipse.swt.internal.widgets.ITreeAdapter;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Item;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Tree;
	import org.eclipse.swt.widgets.TreeItem;
	import org.junit.After;
	import org.junit.Before;
	import org.junit.Test;
	import org.mockito.ArgumentCaptor;


	public class TreeOperationHandler_Test {

	private Display display;
	private Shell shell;
	private Tree tree;
	private Tree mockedTree;
	private TreeOperationHandler handler;

	@Before
	public void setUp() {
	Fixture.setUp();
	display = new Display();
	shell = new Shell( display, SWT.NONE );
	tree = new Tree( shell, SWT.MULTI \| SWT.H_SCROLL \| SWT.V_SCROLL );
	tree.setBounds( 0, 0, 100, 100 );
	mockedTree = mock( Tree.class );
	handler = new TreeOperationHandler( mockedTree );
	}

	@After
	public void tearDown() {
	Fixture.tearDown();
	}

	@Test
	public void testHandleSetSelection_single() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 3 );
	TreeItem item = tree.getItem( 1 );

	JsonArray selection = new JsonArray().add( getId( item ) );
	handler.handleSet( new JsonObject().add( "selection", selection ) );

	assertArrayEquals( new TreeItem[] { item }, tree.getSelection() );
	}

	@Test
	public void testHandleSetSelection_multi() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 3 );
	TreeItem item1 = tree.getItem( 0 );
	TreeItem item2 = tree.getItem( 2 );

	JsonArray selection = new JsonArray().add( getId( item1 ) ).add( getId( item2 ) );
	handler.handleSet( new JsonObject().add( "selection", selection ) );

	assertArrayEquals( new TreeItem[] { item1, item2 }, tree.getSelection() );
	}

	@Test
	public void testHandleSetScrollLeft() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 1 );
	TreeItem item = tree.getItem( 0 );
	item.setText( "very long text that makes horizontal bar visible" );

	handler.handleSet( new JsonObject().add( "scrollLeft", 1 ) );

	assertEquals( 1, getTreeAdapter( tree ).getScrollLeft() );
	}

	@Test
	public void testHandleSetScrollLeft_setsHorizontalScrollBarSelection() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 1 );
	TreeItem item = tree.getItem( 0 );
	item.setText( "very long text that makes horizontal bar visible" );

	handler.handleSet( new JsonObject().add( "scrollLeft", 1 ) );

	assertEquals( 1, tree.getHorizontalBar().getSelection() );
	}

	@Test
	public void testHandleSetTopItemIndex() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 10 );

	handler.handleSet( new JsonObject().add( "topItemIndex", 1 ) );

	assertEquals( tree.getItem( 1 ), tree.getTopItem() );
	}

	@Test
	public void testHandleSetTopItemIndex_setsVerticalScrollBarSelection() {
	handler = new TreeOperationHandler( tree );
	createTreeItems( tree, 10 );

	handler.handleSet( new JsonObject().add( "topItemIndex", 1 ) );

	assertEquals( tree.getItemHeight(), tree.getVerticalBar().getSelection() );
	}

	@Test
	public void testHandleNotifySelection() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "item", getId( item ) );

	handler.handleNotify( EVENT_SELECTION, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.ALT \| SWT.SHIFT, event.stateMask );
	assertEquals( item, event.item );
	}

	@Test
	public void testHandleNotifySelection_withDetail_hyperlink() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject()
	.add( "item", getId( item ) )
	.add( "detail", "hyperlink" );

	handler.handleNotify( EVENT_SELECTION, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( item, event.item );
	assertEquals( RWT.HYPERLINK, event.detail );
	}

	@Test
	public void testHandleNotifySelection_withDetail_check() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject()
	.add( "item", getId( item ) )
	.add( "detail", "check" );

	handler.handleNotify( EVENT_SELECTION, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.Selection ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( item, event.item );
	assertEquals( SWT.CHECK, event.detail );
	}

	@Test
	public void testHandleNotifyDefaultSelection() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "item", getId( item ) );

	handler.handleNotify( EVENT_DEFAULT_SELECTION, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.DefaultSelection ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.ALT \| SWT.SHIFT, event.stateMask );
	assertEquals( item, event.item );
	}

	@Test
	public void testHandleNotifyFocusIn() {
	handler.handleNotify( EVENT_FOCUS_IN, new JsonObject() );

	verify( mockedTree ).notifyListeners( eq( SWT.FocusIn ), any( Event.class ) );
	}

	@Test
	public void testHandleNotifyFocusOut() {
	handler.handleNotify( EVENT_FOCUS_OUT, new JsonObject() );

	verify( mockedTree ).notifyListeners( eq( SWT.FocusOut ), any( Event.class ) );
	}

	@Test
	public void testHandleNotifyMouseDown() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "button", 1 )
	.add( "x", 2 )
	.add( "y", 3 )
	.add( "time", 4 );

	handler.handleNotify( EVENT_MOUSE_DOWN, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.MouseDown ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.ALT \| SWT.SHIFT \| SWT.BUTTON1, event.stateMask );
	assertEquals( 1, event.button );
	assertEquals( 2, event.x );
	assertEquals( 3, event.y );
	assertEquals( 4, event.time );
	assertEquals( 1, event.count );
	}

	@Test
	public void testHandleNotifyMouseDown_coordinatesOutOfClientArea() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "button", 1 )
	.add( "x", 110 )
	.add( "y", 3 )
	.add( "time", 4 );

	handler.handleNotify( EVENT_MOUSE_DOWN, properties );

	verify( spyTree, times( 0 ) ).notifyListeners( eq( SWT.MouseDown ), any( Event.class ) );
	}

	@Test
	public void testHandleNotifyMouseDoubleClick() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "button", 1 )
	.add( "x", 2 )
	.add( "y", 3 )
	.add( "time", 4 );

	handler.handleNotify( EVENT_MOUSE_DOUBLE_CLICK, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.MouseDoubleClick ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.ALT \| SWT.SHIFT \| SWT.BUTTON1, event.stateMask );
	assertEquals( 1, event.button );
	assertEquals( 2, event.x );
	assertEquals( 3, event.y );
	assertEquals( 4, event.time );
	assertEquals( 2, event.count );
	}

	@Test
	public void testHandleNotifyMouseUp() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	JsonObject properties = new JsonObject()
	.add( "altKey", true )
	.add( "shiftKey", true )
	.add( "button", 1 )
	.add( "x", 2 )
	.add( "y", 3 )
	.add( "time", 4 );

	handler.handleNotify( EVENT_MOUSE_UP, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.MouseUp ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.ALT \| SWT.SHIFT \| SWT.BUTTON1, event.stateMask );
	assertEquals( 1, event.button );
	assertEquals( 2, event.x );
	assertEquals( 3, event.y );
	assertEquals( 4, event.time );
	assertEquals( 1, event.count );
	}

	@Test
	public void testHandleNotifyTraverse() {
	JsonObject properties = new JsonObject()
	.add( "shiftKey", true )
	.add( "keyCode", 9 )
	.add( "charCode", 0 );

	handler.handleNotify( EVENT_TRAVERSE, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( mockedTree ).notifyListeners( eq( SWT.Traverse ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.SHIFT, event.stateMask );
	assertEquals( 9, event.keyCode );
	assertEquals( 9, event.character );
	}

	@Test
	public void testHandleNotifyTraverse_wrongModifier() {
	JsonObject properties = new JsonObject()
	.add( "ctrlKey", true )
	.add( "keyCode", 9 )
	.add( "charCode", 0 );

	handler.handleNotify( EVENT_TRAVERSE, properties );

	verify( mockedTree, times( 0 ) ).notifyListeners( eq( SWT.Traverse ), any( Event.class ) );
	}

	@Test
	public void testHandleNotifyKeyDown() {
	JsonObject properties = new JsonObject()
	.add( "shiftKey", true )
	.add( "keyCode", 65 )
	.add( "charCode", 97 );

	handler.handleNotify( EVENT_KEY_DOWN, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( mockedTree ).notifyListeners( eq( SWT.KeyDown ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.SHIFT, event.stateMask );
	assertEquals( 97, event.keyCode );
	assertEquals( 'a', event.character );
	}

	@Test
	public void testHandleNotifyKeyUp() {
	JsonObject properties = new JsonObject()
	.add( "shiftKey", true )
	.add( "keyCode", 65 )
	.add( "charCode", 97 );

	handler.handleNotify( EVENT_KEY_DOWN, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( mockedTree ).notifyListeners( eq( SWT.KeyUp ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( SWT.SHIFT, event.stateMask );
	assertEquals( 97, event.keyCode );
	assertEquals( 'a', event.character );
	}

	@Test
	public void testHandleNotifyMenuDetect() {
	JsonObject properties = new JsonObject().add( "x", 1 ).add( "y", 2 );

	handler.handleNotify( EVENT_MENU_DETECT, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( mockedTree ).notifyListeners( eq( SWT.MenuDetect ), captor.capture() );
	Event event = captor.getValue();
	assertEquals( 1, event.x );
	assertEquals( 2, event.y );
	}

	@Test
	public void testHandleNotifyHelp() {
	handler.handleNotify( EVENT_HELP, new JsonObject() );

	verify( mockedTree ).notifyListeners( eq( SWT.Help ), any( Event.class ) );
	}

	@Test
	public void testHandleNotifyExpand() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject().add( "item", getId( item ) );

	handler.handleNotify( EVENT_EXPAND, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.Expand ), captor.capture() );
	assertEquals( item, captor.getValue().item );
	}

	@Test
	public void testHandleNotifyCollapse() {
	Tree spyTree = spy( tree );
	handler = new TreeOperationHandler( spyTree );
	TreeItem item = new TreeItem( spyTree, SWT.NONE );
	JsonObject properties = new JsonObject().add( "item", getId( item ) );

	handler.handleNotify( EVENT_COLLAPSE, properties );

	ArgumentCaptor<Event> captor = ArgumentCaptor.forClass( Event.class );
	verify( spyTree ).notifyListeners( eq( SWT.Collapse ), captor.capture() );
	assertEquals( item, captor.getValue().item );
	}

	@Test
	public void testHandleNotifySetData() {
	handler.handleNotify( EVENT_SET_DATA, new JsonObject() );

	verify( mockedTree, never() ).notifyListeners( eq( SWT.SetData ), any( Event.class ) );
	}

	@Test
	public void testHandleCallRenderToolTipText() {
	handler = new TreeOperationHandler( tree );
	TreeItem item = new TreeItem( tree, SWT.NONE );
	final ICellToolTipAdapter adapter = CellToolTipUtil.getAdapter( tree );
	adapter.setCellToolTipProvider( new ICellToolTipProvider() {
	public void getToolTipText( Item item, int columnIndex ) {
	StringBuilder buffer = new StringBuilder();
	buffer.append( getId( item ) );
	buffer.append( "," );
	buffer.append( columnIndex );
	adapter.setCellToolTipText( buffer.toString() );
	}
	} );
	JsonObject properties = new JsonObject().add( "item", getId( item ) ).add( "column", 0 );

	handler.handleCall( "renderToolTipText", properties );

	assertEquals( getId( item ) + ",0", CellToolTipUtil.getAdapter( tree ).getCellToolTipText() );
	}

	private static void createTreeItems( Tree tree, int number ) {
	for( int i = 0; i < number; i++ ) {
	TreeItem item = new TreeItem( tree, SWT.NONE );
	item.setText( "item " + i );
	}
	}

	private static ITreeAdapter getTreeAdapter( Tree tree ) {
	return tree.getAdapter( ITreeAdapter.class );
	}

	}