| /******************************************************************************* |
| * Copyright (c) 2014 Google, Inc 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: |
| * Sergey Prigogin (Google) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text.tests; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.Test; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.TextViewer; |
| |
| /** |
| * Basic tests for TextViewer. |
| */ |
| public class TextViewerTest { |
| |
| @Test |
| public void testSetRedraw_Bug441827() throws Exception { |
| Shell shell= new Shell(); |
| try { |
| TextViewer textViewer= new TextViewer(shell, SWT.NONE); |
| Document document= new Document("abc"); |
| textViewer.setDocument(document); |
| int len= document.getLength(); |
| // Select the whole document with the caret at the beginning. |
| textViewer.setSelectedRange(len, -len); |
| assertEquals(0, textViewer.getSelectedRange().x); |
| assertEquals(len, textViewer.getSelectedRange().y); |
| assertEquals(0, textViewer.getTextWidget().getCaretOffset()); |
| textViewer.setRedraw(false); |
| textViewer.setRedraw(true); |
| // Check that the selection and the caret position are preserved. |
| assertEquals(0, textViewer.getSelectedRange().x); |
| assertEquals(len, textViewer.getSelectedRange().y); |
| assertEquals(0, textViewer.getTextWidget().getCaretOffset()); |
| } finally { |
| shell.dispose(); |
| } |
| } |
| } |