1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 @bug 1238814 26 @summary check for correct implementation of RandomAccessFile.readLine 27 */ 28 29 import java.io.*; 30 31 public class ReadLine { 32 main(String args[])33 public static void main(String args[]) throws Exception { 34 File fn = new File("x.ReadLine"); 35 RandomAccessFile raf = new RandomAccessFile(fn,"rw"); 36 try { 37 String line; 38 int ctr = 1; 39 String expected; 40 41 raf.writeBytes 42 ("ln1\rln2\r\nln3\nln4\rln5\r\nln6\n\rln8\r\rln10\n\nln12\r\r\nln14"); 43 raf.seek(0); 44 45 while ((line=raf.readLine()) != null) { 46 if ((ctr == 7) || (ctr == 9) || 47 (ctr == 11) || (ctr == 13)) { 48 expected = ""; 49 } else { 50 expected = "ln" + ctr; 51 } 52 if (!line.equals(expected)) { 53 throw new Exception("Expected \"" + expected + "\"" + 54 ", read \"" + line + "\""); 55 } 56 ctr++; 57 } 58 } finally { 59 raf.close(); 60 } 61 System.err.println("Successfully completed test!"); 62 } 63 64 } 65