| /******************************************************************************* |
| * Copyright (c) 2011 SAP AG |
| * |
| * 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: |
| * Lazar Kirchev, SAP AG - initial contribution |
| ******************************************************************************/ |
| |
| package org.eclipse.equinox.console.common; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class SimpleByteBufferTests { |
| |
| @Test |
| public void testBuffer() throws Exception { |
| SimpleByteBuffer buffer = new SimpleByteBuffer(); |
| buffer.add('a'); |
| buffer.add('b'); |
| buffer.add('c'); |
| buffer.add('d'); |
| |
| Assert.assertTrue("Wrong buffer size; expected 4, actual " + buffer.getSize(), buffer.getSize() == 4); |
| |
| check(buffer, new byte[] { 'a', 'b', 'c', 'd' }); |
| |
| byte[] data = buffer.getCurrentData(); |
| byte[] expected = new byte[] { 'a', 'b', 'c', 'd' }; |
| |
| Assert.assertTrue("Data not as expected: expected length " + expected.length + ", actual length " + data.length, |
| data.length == expected.length); |
| |
| for (int i = 0; i < data.length; i++) { |
| Assert.assertEquals("Incorrect data read. Position " + i + ", expected " + expected[i] + ", read " + data[i], expected[i], data[i]); |
| } |
| |
| buffer.insert('a'); |
| buffer.insert('b'); |
| buffer.insert('c'); |
| buffer.insert('d'); |
| |
| int pos = buffer.getPos(); |
| buffer.goLeft(); |
| int newPos = buffer.getPos(); |
| Assert.assertEquals("Error while moving left; old pos: " + pos + ", new pos: ", pos - 1, newPos); |
| |
| buffer.insert('e'); |
| check(buffer, new byte[] { 'a', 'b', 'c', 'e', 'd' }); |
| |
| buffer.goLeft(); |
| buffer.delete(); |
| check(buffer, new byte[] { 'a', 'b', 'c', 'd' }); |
| |
| pos = buffer.getPos(); |
| buffer.goRight(); |
| newPos = buffer.getPos(); |
| Assert.assertEquals("Error while moving right; old pos: " + pos + ", new pos: ", pos + 1, newPos); |
| |
| buffer.backSpace(); |
| check(buffer, new byte[] { 'a', 'b', 'c' }); |
| |
| buffer.delAll(); |
| Assert.assertTrue("Bytes in buffer not correctly deleted", (buffer.getSize() == 0) && (buffer.getPos() == 0)); |
| |
| buffer.set(new byte[] { 'a', 'b', 'c', 'd' }); |
| check(buffer, new byte[] { 'a', 'b', 'c', 'd' }); |
| |
| data = buffer.copyCurrentData(); |
| Assert.assertArrayEquals("Buffer copy does not work properly", new byte[] { 'a', 'b', 'c', 'd' }, data); |
| |
| buffer.goLeft(); |
| buffer.replace('e'); |
| check(buffer, new byte[] { 'a', 'b', 'c', 'e' }); |
| |
| buffer.resetPos(); |
| Assert.assertTrue("Resetting position does not work properly", buffer.getPos() == 0); |
| |
| Assert.assertEquals("Wrong current char", 'a', buffer.getCurrentChar()); |
| } |
| |
| private void check(SimpleByteBuffer buffer, byte[] expected) throws Exception { |
| byte[] data = buffer.copyCurrentData(); |
| |
| Assert.assertTrue("Data not as expected: expected length " + expected.length + ", actual length " + data.length, |
| data.length == expected.length); |
| |
| for (int i = 0; i < data.length; i++) { |
| Assert.assertEquals("Incorrect data read. Position " + i + ", expected " + expected[i] + ", read " + data[i], expected[i], data[i]); |
| } |
| } |
| |
| } |