| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text.tests.rules; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.rules.BufferedRuleBasedScanner; |
| import org.eclipse.jface.text.rules.RuleBasedScanner; |
| |
| |
| /** |
| * @since 3.4 |
| */ |
| public class ScannerColumnTest { |
| |
| private IDocument fDocument; |
| |
| @Before |
| public void setUp() { |
| fDocument= new Document("scanner test"); |
| } |
| |
| @After |
| public void tearDown() { |
| fDocument= null; |
| } |
| |
| @Test |
| public void testRuleBasedScannerColumnRead() { |
| _testScannerColumnRead(new RuleBasedScanner()); |
| } |
| |
| @Test |
| public void testRuleBasedScannerColumnUnread() { |
| _testScannerColumnUnread(new RuleBasedScanner()); |
| } |
| |
| @Test |
| public void testBufferedRuleBasedScannerColumnRead() { |
| _testScannerColumnRead(new BufferedRuleBasedScanner(100)); |
| } |
| |
| @Test |
| public void testBufferedRuleBasedScannerColumnUnread() { |
| _testScannerColumnUnread(new BufferedRuleBasedScanner(100)); |
| } |
| |
| private void _testScannerColumnRead(RuleBasedScanner scanner) { |
| scanner.setRange(fDocument, 0, 10); |
| assertEquals(0, scanner.getColumn()); |
| assertEquals('s', scanner.read()); |
| assertEquals(1, scanner.getColumn()); |
| scanner.unread(); |
| assertEquals(0, scanner.getColumn()); |
| } |
| |
| private void _testScannerColumnUnread(RuleBasedScanner scanner) { |
| scanner.setRange(fDocument, 0, 10); |
| assertEquals(0, scanner.getColumn()); |
| assertEquals('s', scanner.read()); |
| assertEquals(1, scanner.getColumn()); |
| scanner.unread(); |
| assertEquals(0, scanner.getColumn()); |
| } |
| |
| } |