tests/org.eclipse.rap.rwt.test/src/org/eclipse/swt/widgets/Item_Test.java

/*******************************************************************************
 * Copyright (c) 2002-2006 Innoopract Informationssysteme GmbH.
 * 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
 ******************************************************************************/

package org.eclipse.swt.widgets;

import junit.framework.TestCase;
import org.eclipse.swt.RWTFixture;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;

public class Item_Test extends TestCase {

  public void testText() {
    Display display = new Display();
    Composite shell = new Shell( display , SWT.NONE );
    Item item = new Item( shell, SWT.NONE ) {

      public Display getDisplay() {
        return null;
      }

      protected void releaseChildren() {
      }

      protected void releaseParent() {
      }

      protected void releaseWidget() {
      }
    };
    assertEquals( "", item.getText() );
    item.setText( "x" );
    assertEquals( "x", item.getText() );
    try {
      item.setText( null );
      fail( "Must not allow to set null text" );
    } catch( NullPointerException e ) {
      // expected
    }
  }
  
  public void testImage() {
    Display display = new Display();
    Composite shell = new Shell( display , SWT.NONE );
    Item item = new Item( shell, SWT.NONE ) {

      public Display getDisplay() {
        return null;
      }

      protected void releaseChildren() {
      }

      protected void releaseParent() {
      }

      protected void releaseWidget() {
      }
    };
    item.setImage( Image.find( RWTFixture.IMAGE1 ) );
    assertSame( Image.find( RWTFixture.IMAGE1 ), item.getImage() );
    assertEquals( 1, Image.size() );
    item.setImage( null );
    assertEquals( null, item.getImage() );
    Item item2 = new Item( shell, SWT.NONE ) {

      public Display getDisplay() {
        return null;
      }

      protected void releaseChildren() {
      }

      protected void releaseParent() {
      }

      protected void releaseWidget() {
      }
    };
    item2.setImage( Image.find( RWTFixture.IMAGE2 ) );
    assertSame( Image.find( RWTFixture.IMAGE2 ), item2.getImage() );
    assertEquals( 2, Image.size() );
  }

  public void testDispose() {
    Display display = new Display();
    Composite shell = new Shell( display , SWT.NONE );
    Item item = new Item( shell, SWT.NONE ) {

      public Display getDisplay() {
        return null;
      }

      protected void releaseChildren() {
      }

      protected void releaseParent() {
      }

      protected void releaseWidget() {
      }
    };
    item.dispose();
    assertEquals( true, item.isDisposed() );
  }

  protected void setUp() throws Exception {
    RWTFixture.setUp();
  }

  protected void tearDown() throws Exception {
    RWTFixture.tearDown();
  }
}