CLabel_Test.java

/*******************************************************************************
 * Copyright (c) 2002, 2010 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
 *     EclipseSource - ongoing development
 ******************************************************************************/

package org.eclipse.swt.custom;

import junit.framework.TestCase;

import org.eclipse.rwt.Fixture;
import org.eclipse.rwt.graphics.Graphics;
import org.eclipse.rwt.internal.theme.IThemeAdapter;
import org.eclipse.rwt.lifecycle.PhaseId;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.custom.clabelkit.CLabelThemeAdapter;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class CLabel_Test extends TestCase {

  public void testSetBackgroundColor() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    Color red = display.getSystemColor( SWT.COLOR_RED );
    label.setBackground( red );
    assertEquals( label.getBackground(), red );
  }

  public void testSetToolTipText() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    label.setToolTipText( "foo" );
    assertEquals( label.getToolTipText(), "foo" );
  }

  public void testSetAlignment() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.LEFT );
    assertEquals( label.getAlignment(), SWT.LEFT );
    label.setAlignment( SWT.RIGHT );
    assertEquals( label.getAlignment(), SWT.RIGHT );
  }

  public void testSetImage() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    assertEquals( label.getImage(), null );
    label.setImage( Graphics.getImage( Fixture.IMAGE1,
                                       getClass().getClassLoader() ) );
    assertEquals( label.getImage(),
                  Graphics.getImage( Fixture.IMAGE1,
                                     getClass().getClassLoader() ) );
  }

  public void testSetText() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    assertEquals( null, label.getText() );
    label.setText( "bar" );
    assertEquals( label.getText(), "bar" );
  }

  public void testComputeSize() throws Exception {
    Fixture.fakePhase( PhaseId.PROCESS_ACTION );
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    Point expected = new Point( 6, 17 );
    assertEquals( expected, label.computeSize( SWT.DEFAULT, SWT.DEFAULT ) );
    label.setText( "bar" );
    expected = new Point( 22, 20 );
    assertEquals( expected, label.computeSize( SWT.DEFAULT, SWT.DEFAULT ) );
    label.setImage( Graphics.getImage( Fixture.IMAGE_100x50 ) );
    expected = new Point( 127, 56 );
    assertEquals( expected, label.computeSize( SWT.DEFAULT, SWT.DEFAULT ) );
    label.setMargins( 1, 2, 3, 4 );
    expected = new Point( 125, 56 );
    assertEquals( expected, label.computeSize( SWT.DEFAULT, SWT.DEFAULT ) );
  }

  public void testSetMargins() {
    Display display = new Display();
    Shell shell = new Shell( display, SWT.SHELL_TRIM );
    CLabel label = new CLabel( shell, SWT.RIGHT );
    CLabelThemeAdapter themeAdapter
      = ( CLabelThemeAdapter )label.getAdapter( IThemeAdapter.class );
    Rectangle padding = themeAdapter.getPadding( label );
    assertEquals( padding.x, label.getLeftMargin() );
    assertEquals( padding.y, label.getTopMargin() );
    assertEquals( padding.width - padding.x, label.getRightMargin() );
    assertEquals( padding.height - padding.y, label.getBottomMargin() );
    label.setMargins( 1, 2, 3, 4 );
    assertEquals( 1, label.getLeftMargin() );
    assertEquals( 2, label.getTopMargin() );
    assertEquals( 3, label.getRightMargin() );
    assertEquals( 4, label.getBottomMargin() );
    label.setLeftMargin( 6 );
    assertEquals( 6, label.getLeftMargin() );
    label.setTopMargin( 7 );
    assertEquals( 7, label.getTopMargin() );
    label.setRightMargin( 8 );
    assertEquals( 8, label.getRightMargin() );
    label.setBottomMargin( 9 );
    assertEquals( 9, label.getBottomMargin() );
    label.setLeftMargin( -1 );
    assertEquals( 6, label.getLeftMargin() );
    label.setTopMargin( -1 );
    assertEquals( 7, label.getTopMargin() );
    label.setRightMargin( -1 );
    assertEquals( 8, label.getRightMargin() );
    label.setBottomMargin( -1 );
    assertEquals( 9, label.getBottomMargin() );
    label.setMargins( -1, -1, -1, -1 );
    assertEquals( 0, label.getLeftMargin() );
    assertEquals( 0, label.getTopMargin() );
    assertEquals( 0, label.getRightMargin() );
    assertEquals( 0, label.getBottomMargin() );
  }

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

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